#include <string.h>
#include <linux/bitops.h>
+#include <stdlib.h>
#define DECLARE_BITMAP(name,bits) \
unsigned long name[BITS_TO_LONGS(bits)]
int __bitmap_weight(const unsigned long *bitmap, int bits);
void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1,
const unsigned long *bitmap2, int bits);
+int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
+ const unsigned long *bitmap2, unsigned int bits);
#define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1)))
return (old & mask) != 0;
}
+/**
+ * bitmap_alloc - Allocate bitmap
+ * @nr: Bit to set
+ */
+static inline unsigned long *bitmap_alloc(int nbits)
+{
+ return calloc(1, BITS_TO_LONGS(nbits) * sizeof(unsigned long));
+}
+
+/*
+ * bitmap_scnprintf - print bitmap list into buffer
+ * @bitmap: bitmap
+ * @nbits: size of bitmap
+ * @buf: buffer to store output
+ * @size: size of @buf
+ */
+size_t bitmap_scnprintf(unsigned long *bitmap, int nbits,
+ char *buf, size_t size);
+
+/**
+ * bitmap_and - Do logical and on bitmaps
+ * @dst: resulting bitmap
+ * @src1: operand 1
+ * @src2: operand 2
+ * @nbits: size of bitmap
+ */
+static inline int bitmap_and(unsigned long *dst, const unsigned long *src1,
+ const unsigned long *src2, unsigned int nbits)
+{
+ if (small_const_nbits(nbits))
+ return (*dst = *src1 & *src2 & BITMAP_LAST_WORD_MASK(nbits)) != 0;
+ return __bitmap_and(dst, src1, src2, nbits);
+}
+
#endif /* _PERF_BITOPS_H */
for (k = 0; k < nr; k++)
dst[k] = bitmap1[k] | bitmap2[k];
}
+
+size_t bitmap_scnprintf(unsigned long *bitmap, int nbits,
+ char *buf, size_t size)
+{
+ /* current bit is 'cur', most recently seen range is [rbot, rtop] */
+ int cur, rbot, rtop;
+ bool first = true;
+ size_t ret = 0;
+
+ rbot = cur = find_first_bit(bitmap, nbits);
+ while (cur < nbits) {
+ rtop = cur;
+ cur = find_next_bit(bitmap, nbits, cur + 1);
+ if (cur < nbits && cur <= rtop + 1)
+ continue;
+
+ if (!first)
+ ret += scnprintf(buf + ret, size - ret, ",");
+
+ first = false;
+
+ ret += scnprintf(buf + ret, size - ret, "%d", rbot);
+ if (rbot < rtop)
+ ret += scnprintf(buf + ret, size - ret, "-%d", rtop);
+
+ rbot = cur;
+ }
+ return ret;
+}
+
+int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1,
+ const unsigned long *bitmap2, unsigned int bits)
+{
+ unsigned int k;
+ unsigned int lim = bits/BITS_PER_LONG;
+ unsigned long result = 0;
+
+ for (k = 0; k < lim; k++)
+ result |= (dst[k] = bitmap1[k] & bitmap2[k]);
+ if (bits % BITS_PER_LONG)
+ result |= (dst[k] = bitmap1[k] & bitmap2[k] &
+ BITMAP_LAST_WORD_MASK(bits));
+ return result != 0;
+}
TRACEEVENT-CFLAGS
libtraceevent-dynamic-list
+libtraceevent.so.*
--period::
Record the sample period.
+--sample-cpu::
+ Record the sample cpu.
+
-n::
--no-samples::
Don't sample.
--- /dev/null
+
+ifeq ($(src-perf),)
+src-perf := $(srctree)/tools/perf
+endif
+
+ifeq ($(obj-perf),)
+obj-perf := $(OUTPUT)
+endif
+
+ifneq ($(obj-perf),)
+obj-perf := $(abspath $(obj-perf))/
+endif
+
+$(shell printf "" > $(OUTPUT).config-detected)
+detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
+detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
+
+CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
+
+include $(srctree)/tools/scripts/Makefile.arch
+
+$(call detected_var,ARCH)
+
+NO_PERF_REGS := 1
+
+# Additional ARCH settings for ppc
+ifeq ($(ARCH),powerpc)
+ NO_PERF_REGS := 0
+ LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
+endif
+
+# Additional ARCH settings for x86
+ifeq ($(ARCH),x86)
+ $(call detected,CONFIG_X86)
+ ifeq (${IS_64_BIT}, 1)
+ CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
+ ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
+ LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
+ $(call detected,CONFIG_X86_64)
+ else
+ LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
+ endif
+ NO_PERF_REGS := 0
+endif
+
+ifeq ($(ARCH),arm)
+ NO_PERF_REGS := 0
+ LIBUNWIND_LIBS = -lunwind -lunwind-arm
+endif
+
+ifeq ($(ARCH),arm64)
+ NO_PERF_REGS := 0
+ LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
+endif
+
+ifeq ($(NO_PERF_REGS),0)
+ $(call detected,CONFIG_PERF_REGS)
+endif
+
+# So far there's only x86 and arm libdw unwind support merged in perf.
+# Disable it on all other architectures in case libdw unwind
+# support is detected in system. Add supported architectures
+# to the check.
+ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
+ NO_LIBDW_DWARF_UNWIND := 1
+endif
+
+ifeq ($(LIBUNWIND_LIBS),)
+ NO_LIBUNWIND := 1
+endif
+#
+# For linking with debug library, run like:
+#
+# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
+#
+
+libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
+define libunwind_arch_set_flags_code
+ FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
+ FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
+endef
+
+ifdef LIBUNWIND_DIR
+ LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
+ LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
+ LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
+ $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
+endif
+
+# Set per-feature check compilation flags
+FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
+
+ifeq ($(NO_PERF_REGS),0)
+ CFLAGS += -DHAVE_PERF_REGS_SUPPORT
+endif
+
+# for linking with debug library, run like:
+# make DEBUG=1 LIBDW_DIR=/opt/libdw/
+ifdef LIBDW_DIR
+ LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
+ LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
+endif
+FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
+
+# for linking with debug library, run like:
+# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
+ifdef LIBBABELTRACE_DIR
+ LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
+ LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
+endif
+FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
+FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
+
+FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
+# include ARCH specific config
+-include $(src-perf)/arch/$(ARCH)/Makefile
+
+ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
+ CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
+endif
+
+include $(srctree)/tools/scripts/utilities.mak
+
+ifeq ($(call get-executable,$(FLEX)),)
+ dummy := $(error Error: $(FLEX) is missing on this system, please install it)
+endif
+
+ifeq ($(call get-executable,$(BISON)),)
+ dummy := $(error Error: $(BISON) is missing on this system, please install it)
+endif
+
+# Treat warnings as errors unless directed not to
+ifneq ($(WERROR),0)
+ CFLAGS += -Werror
+endif
+
+ifndef DEBUG
+ DEBUG := 0
+endif
+
+ifeq ($(DEBUG),0)
+ CFLAGS += -O6
+endif
+
+ifdef PARSER_DEBUG
+ PARSER_DEBUG_BISON := -t
+ PARSER_DEBUG_FLEX := -d
+ CFLAGS += -DPARSER_DEBUG
+ $(call detected_var,PARSER_DEBUG_BISON)
+ $(call detected_var,PARSER_DEBUG_FLEX)
+endif
+
+# Try different combinations to accommodate systems that only have
+# python[2][-config] in weird combinations but always preferring
+# python2 and python2-config as per pep-0394. If we catch a
+# python[-config] in version 3, the version check will kill it.
+PYTHON2 := $(if $(call get-executable,python2),python2,python)
+override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
+PYTHON2_CONFIG := \
+ $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
+override PYTHON_CONFIG := \
+ $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
+
+PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
+
+PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
+PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
+
+FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
+FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
+FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
+FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
+
+CFLAGS += -fno-omit-frame-pointer
+CFLAGS += -ggdb3
+CFLAGS += -funwind-tables
+CFLAGS += -Wall
+CFLAGS += -Wextra
+CFLAGS += -std=gnu99
+
+# Enforce a non-executable stack, as we may regress (again) in the future by
+# adding assembler files missing the .GNU-stack linker note.
+LDFLAGS += -Wl,-z,noexecstack
+
+EXTLIBS = -lpthread -lrt -lm -ldl
+
+ifeq ($(FEATURES_DUMP),)
+include $(srctree)/tools/build/Makefile.feature
+else
+include $(FEATURES_DUMP)
+endif
+
+ifeq ($(feature-stackprotector-all), 1)
+ CFLAGS += -fstack-protector-all
+endif
+
+ifeq ($(DEBUG),0)
+ ifeq ($(feature-fortify-source), 1)
+ CFLAGS += -D_FORTIFY_SOURCE=2
+ endif
+endif
+
+CFLAGS += -I$(src-perf)/util/include
+CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
+CFLAGS += -I$(srctree)/tools/include/uapi
+CFLAGS += -I$(srctree)/tools/include/
+CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
+CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
+CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/
+
+# $(obj-perf) for generated common-cmds.h
+# $(obj-perf)/util for generated bison/flex headers
+ifneq ($(OUTPUT),)
+CFLAGS += -I$(obj-perf)/util
+CFLAGS += -I$(obj-perf)
+endif
+
+CFLAGS += -I$(src-perf)/util
+CFLAGS += -I$(src-perf)
+CFLAGS += -I$(srctree)/tools/lib/
+
+CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
+
+ifeq ($(feature-sync-compare-and-swap), 1)
+ CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
+endif
+
+ifeq ($(feature-pthread-attr-setaffinity-np), 1)
+ CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
+endif
+
+ifndef NO_BIONIC
+ $(call feature_check,bionic)
+ ifeq ($(feature-bionic), 1)
+ BIONIC := 1
+ EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
+ EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
+ endif
+endif
+
+ifdef NO_LIBELF
+ NO_DWARF := 1
+ NO_DEMANGLE := 1
+ NO_LIBUNWIND := 1
+ NO_LIBDW_DWARF_UNWIND := 1
+ NO_LIBBPF := 1
+else
+ ifeq ($(feature-libelf), 0)
+ ifeq ($(feature-glibc), 1)
+ LIBC_SUPPORT := 1
+ endif
+ ifeq ($(BIONIC),1)
+ LIBC_SUPPORT := 1
+ endif
+ ifeq ($(LIBC_SUPPORT),1)
+ msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
+
+ NO_LIBELF := 1
+ NO_DWARF := 1
+ NO_DEMANGLE := 1
+ NO_LIBUNWIND := 1
+ NO_LIBDW_DWARF_UNWIND := 1
+ NO_LIBBPF := 1
+ else
+ ifneq ($(filter s% -static%,$(LDFLAGS),),)
+ msg := $(error No static glibc found, please install glibc-static);
+ else
+ msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
+ endif
+ endif
+ else
+ ifndef NO_LIBDW_DWARF_UNWIND
+ ifneq ($(feature-libdw-dwarf-unwind),1)
+ NO_LIBDW_DWARF_UNWIND := 1
+ msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
+ endif
+ endif
+ ifneq ($(feature-dwarf), 1)
+ msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
+ NO_DWARF := 1
+ else
+ ifneq ($(feature-dwarf_getlocations), 1)
+ msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
+ else
+ CFLAGS += -DHAVE_DWARF_GETLOCATIONS
+ endif # dwarf_getlocations
+ endif # Dwarf support
+ endif # libelf support
+endif # NO_LIBELF
+
+ifdef NO_DWARF
+ NO_LIBDW_DWARF_UNWIND := 1
+endif
+
+ifndef NO_LIBELF
+ CFLAGS += -DHAVE_LIBELF_SUPPORT
+ EXTLIBS += -lelf
+ $(call detected,CONFIG_LIBELF)
+
+ ifeq ($(feature-libelf-mmap), 1)
+ CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
+ endif
+
+ ifeq ($(feature-libelf-getphdrnum), 1)
+ CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
+ endif
+
+ ifeq ($(feature-libelf-gelf_getnote), 1)
+ CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
+ else
+ msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
+ endif
+
+ ifeq ($(feature-libelf-getshdrstrndx), 1)
+ CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
+ endif
+
+ ifndef NO_DWARF
+ ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
+ msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
+ NO_DWARF := 1
+ else
+ CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
+ LDFLAGS += $(LIBDW_LDFLAGS)
+ DWARFLIBS := -ldw
+ ifeq ($(findstring -static,${LDFLAGS}),-static)
+ DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
+ endif
+ EXTLIBS += ${DWARFLIBS}
+ $(call detected,CONFIG_DWARF)
+ endif # PERF_HAVE_DWARF_REGS
+ endif # NO_DWARF
+
+ ifndef NO_LIBBPF
+ ifeq ($(feature-bpf), 1)
+ CFLAGS += -DHAVE_LIBBPF_SUPPORT
+ $(call detected,CONFIG_LIBBPF)
+ endif
+
+ ifndef NO_DWARF
+ ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
+ CFLAGS += -DHAVE_BPF_PROLOGUE
+ $(call detected,CONFIG_BPF_PROLOGUE)
+ else
+ msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
+ endif
+ else
+ msg := $(warning DWARF support is off, BPF prologue is disabled);
+ endif
+
+ endif # NO_LIBBPF
+endif # NO_LIBELF
+
+ifndef NO_SDT
+ ifneq ($(feature-sdt), 1)
+ msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
+ NO_SDT := 1;
+ else
+ CFLAGS += -DHAVE_SDT_EVENT
+ $(call detected,CONFIG_SDT_EVENT)
+ endif
+endif
+
+ifdef PERF_HAVE_JITDUMP
+ ifndef NO_DWARF
+ $(call detected,CONFIG_JITDUMP)
+ CFLAGS += -DHAVE_JITDUMP
+ endif
+endif
+
+ifeq ($(ARCH),powerpc)
+ ifndef NO_DWARF
+ CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
+ endif
+endif
+
+ifndef NO_LIBUNWIND
+ have_libunwind :=
+
+ ifeq ($(feature-libunwind-x86), 1)
+ $(call detected,CONFIG_LIBUNWIND_X86)
+ CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
+ LDFLAGS += -lunwind-x86
+ EXTLIBS_LIBUNWIND += -lunwind-x86
+ have_libunwind = 1
+ endif
+
+ ifeq ($(feature-libunwind-aarch64), 1)
+ $(call detected,CONFIG_LIBUNWIND_AARCH64)
+ CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
+ LDFLAGS += -lunwind-aarch64
+ EXTLIBS_LIBUNWIND += -lunwind-aarch64
+ have_libunwind = 1
+ $(call feature_check,libunwind-debug-frame-aarch64)
+ ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
+ msg := $(warning No debug_frame support found in libunwind-aarch64);
+ CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
+ endif
+ endif
+
+ ifneq ($(feature-libunwind), 1)
+ msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
+ NO_LOCAL_LIBUNWIND := 1
+ else
+ have_libunwind := 1
+ $(call detected,CONFIG_LOCAL_LIBUNWIND)
+ endif
+
+ ifneq ($(have_libunwind), 1)
+ NO_LIBUNWIND := 1
+ endif
+else
+ NO_LOCAL_LIBUNWIND := 1
+endif
+
+ifndef NO_LIBBPF
+ ifneq ($(feature-bpf), 1)
+ msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
+ NO_LIBBPF := 1
+ endif
+endif
+
+dwarf-post-unwind := 1
+dwarf-post-unwind-text := BUG
+
+# setup DWARF post unwinder
+ifdef NO_LIBUNWIND
+ ifdef NO_LIBDW_DWARF_UNWIND
+ msg := $(warning Disabling post unwind, no support found.);
+ dwarf-post-unwind := 0
+ else
+ dwarf-post-unwind-text := libdw
+ $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
+ endif
+else
+ dwarf-post-unwind-text := libunwind
+ $(call detected,CONFIG_LIBUNWIND)
+ # Enable libunwind support by default.
+ ifndef NO_LIBDW_DWARF_UNWIND
+ NO_LIBDW_DWARF_UNWIND := 1
+ endif
+endif
+
+ifeq ($(dwarf-post-unwind),1)
+ CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
+ $(call detected,CONFIG_DWARF_UNWIND)
+else
+ NO_DWARF_UNWIND := 1
+endif
+
+ifndef NO_LOCAL_LIBUNWIND
+ ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
+ $(call feature_check,libunwind-debug-frame)
+ ifneq ($(feature-libunwind-debug-frame), 1)
+ msg := $(warning No debug_frame support found in libunwind);
+ CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
+ endif
+ else
+ # non-ARM has no dwarf_find_debug_frame() function:
+ CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
+ endif
+ EXTLIBS += $(LIBUNWIND_LIBS)
+ LDFLAGS += $(LIBUNWIND_LIBS)
+endif
+
+ifndef NO_LIBUNWIND
+ CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
+ CFLAGS += $(LIBUNWIND_CFLAGS)
+ LDFLAGS += $(LIBUNWIND_LDFLAGS)
+ EXTLIBS += $(EXTLIBS_LIBUNWIND)
+endif
+
+ifndef NO_LIBAUDIT
+ ifneq ($(feature-libaudit), 1)
+ msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
+ NO_LIBAUDIT := 1
+ else
+ CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
+ EXTLIBS += -laudit
+ $(call detected,CONFIG_AUDIT)
+ endif
+endif
+
+ifndef NO_LIBCRYPTO
+ ifneq ($(feature-libcrypto), 1)
+ msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
+ NO_LIBCRYPTO := 1
+ else
+ CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
+ EXTLIBS += -lcrypto
+ $(call detected,CONFIG_CRYPTO)
+ endif
+endif
+
+ifdef NO_NEWT
+ NO_SLANG=1
+endif
+
+ifndef NO_SLANG
+ ifneq ($(feature-libslang), 1)
+ msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
+ NO_SLANG := 1
+ else
+ # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
+ CFLAGS += -I/usr/include/slang
+ CFLAGS += -DHAVE_SLANG_SUPPORT
+ EXTLIBS += -lslang
+ $(call detected,CONFIG_SLANG)
+ endif
+endif
+
+ifndef NO_GTK2
+ FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
+ ifneq ($(feature-gtk2), 1)
+ msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
+ NO_GTK2 := 1
+ else
+ ifeq ($(feature-gtk2-infobar), 1)
+ GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
+ endif
+ CFLAGS += -DHAVE_GTK2_SUPPORT
+ GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
+ GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
+ EXTLIBS += -ldl
+ endif
+endif
+
+grep-libs = $(filter -l%,$(1))
+strip-libs = $(filter-out -l%,$(1))
+
+ifdef NO_LIBPERL
+ CFLAGS += -DNO_LIBPERL
+else
+ PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
+ PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
+ PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
+ PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
+ FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
+
+ ifneq ($(feature-libperl), 1)
+ CFLAGS += -DNO_LIBPERL
+ NO_LIBPERL := 1
+ msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
+ else
+ LDFLAGS += $(PERL_EMBED_LDFLAGS)
+ EXTLIBS += $(PERL_EMBED_LIBADD)
+ $(call detected,CONFIG_LIBPERL)
+ endif
+endif
+
+ifeq ($(feature-timerfd), 1)
+ CFLAGS += -DHAVE_TIMERFD_SUPPORT
+else
+ msg := $(warning No timerfd support. Disables 'perf kvm stat live');
+endif
+
+disable-python = $(eval $(disable-python_code))
+define disable-python_code
+ CFLAGS += -DNO_LIBPYTHON
+ $(warning $1)
+ NO_LIBPYTHON := 1
+endef
+
+ifdef NO_LIBPYTHON
+ $(call disable-python,Python support disabled by user)
+else
+
+ ifndef PYTHON
+ $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
+ else
+ PYTHON_WORD := $(call shell-wordify,$(PYTHON))
+
+ ifndef PYTHON_CONFIG
+ $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
+ else
+
+ PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
+
+ PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
+ PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
+ PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
+ PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
+ FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
+
+ ifneq ($(feature-libpython), 1)
+ $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
+ else
+
+ ifneq ($(feature-libpython-version), 1)
+ $(warning Python 3 is not yet supported; please set)
+ $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
+ $(warning If you also have Python 2 installed, then)
+ $(warning try something like:)
+ $(warning $(and ,))
+ $(warning $(and ,) make PYTHON=python2)
+ $(warning $(and ,))
+ $(warning Otherwise, disable Python support entirely:)
+ $(warning $(and ,))
+ $(warning $(and ,) make NO_LIBPYTHON=1)
+ $(warning $(and ,))
+ $(error $(and ,))
+ else
+ LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
+ EXTLIBS += $(PYTHON_EMBED_LIBADD)
+ LANG_BINDINGS += $(obj-perf)python/perf.so
+ $(call detected,CONFIG_LIBPYTHON)
+ endif
+ endif
+ endif
+ endif
+endif
+
+ifeq ($(feature-libbfd), 1)
+ EXTLIBS += -lbfd
+
+ # call all detections now so we get correct
+ # status in VF output
+ $(call feature_check,liberty)
+ $(call feature_check,liberty-z)
+ $(call feature_check,cplus-demangle)
+
+ ifeq ($(feature-liberty), 1)
+ EXTLIBS += -liberty
+ else
+ ifeq ($(feature-liberty-z), 1)
+ EXTLIBS += -liberty -lz
+ endif
+ endif
+endif
+
+ifdef NO_DEMANGLE
+ CFLAGS += -DNO_DEMANGLE
+else
+ ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
+ EXTLIBS += -liberty
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ else
+ ifneq ($(feature-libbfd), 1)
+ ifneq ($(feature-liberty), 1)
+ ifneq ($(feature-liberty-z), 1)
+ # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
+ # or any of 'bfd iberty z' trinity
+ ifeq ($(feature-cplus-demangle), 1)
+ EXTLIBS += -liberty
+ CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
+ else
+ msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
+ CFLAGS += -DNO_DEMANGLE
+ endif
+ endif
+ endif
+ endif
+ endif
+endif
+
+ifneq ($(filter -lbfd,$(EXTLIBS)),)
+ CFLAGS += -DHAVE_LIBBFD_SUPPORT
+endif
+
+ifndef NO_ZLIB
+ ifeq ($(feature-zlib), 1)
+ CFLAGS += -DHAVE_ZLIB_SUPPORT
+ EXTLIBS += -lz
+ $(call detected,CONFIG_ZLIB)
+ else
+ NO_ZLIB := 1
+ endif
+endif
+
+ifndef NO_LZMA
+ ifeq ($(feature-lzma), 1)
+ CFLAGS += -DHAVE_LZMA_SUPPORT
+ EXTLIBS += -llzma
+ $(call detected,CONFIG_LZMA)
+ else
+ msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
+ NO_LZMA := 1
+ endif
+endif
+
+ifndef NO_BACKTRACE
+ ifeq ($(feature-backtrace), 1)
+ CFLAGS += -DHAVE_BACKTRACE_SUPPORT
+ endif
+endif
+
+ifndef NO_LIBNUMA
+ ifeq ($(feature-libnuma), 0)
+ msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
+ NO_LIBNUMA := 1
+ else
+ ifeq ($(feature-numa_num_possible_cpus), 0)
+ msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
+ NO_LIBNUMA := 1
+ else
+ CFLAGS += -DHAVE_LIBNUMA_SUPPORT
+ EXTLIBS += -lnuma
+ $(call detected,CONFIG_NUMA)
+ endif
+ endif
+endif
+
+ifdef HAVE_KVM_STAT_SUPPORT
+ CFLAGS += -DHAVE_KVM_STAT_SUPPORT
+endif
+
+ifeq (${IS_64_BIT}, 1)
+ ifndef NO_PERF_READ_VDSO32
+ $(call feature_check,compile-32)
+ ifeq ($(feature-compile-32), 1)
+ CFLAGS += -DHAVE_PERF_READ_VDSO32
+ else
+ NO_PERF_READ_VDSO32 := 1
+ endif
+ endif
+ ifneq ($(ARCH), x86)
+ NO_PERF_READ_VDSOX32 := 1
+ endif
+ ifndef NO_PERF_READ_VDSOX32
+ $(call feature_check,compile-x32)
+ ifeq ($(feature-compile-x32), 1)
+ CFLAGS += -DHAVE_PERF_READ_VDSOX32
+ else
+ NO_PERF_READ_VDSOX32 := 1
+ endif
+ endif
+else
+ NO_PERF_READ_VDSO32 := 1
+ NO_PERF_READ_VDSOX32 := 1
+endif
+
+ifdef LIBBABELTRACE
+ $(call feature_check,libbabeltrace)
+ ifeq ($(feature-libbabeltrace), 1)
+ CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
+ LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
+ EXTLIBS += -lbabeltrace-ctf
+ $(call detected,CONFIG_LIBBABELTRACE)
+ else
+ msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
+ endif
+endif
+
+ifndef NO_AUXTRACE
+ ifeq ($(feature-get_cpuid), 0)
+ msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
+ NO_AUXTRACE := 1
+ else
+ $(call detected,CONFIG_AUXTRACE)
+ CFLAGS += -DHAVE_AUXTRACE_SUPPORT
+ endif
+endif
+
+# Among the variables below, these:
+# perfexecdir
+# template_dir
+# mandir
+# infodir
+# htmldir
+# ETC_PERFCONFIG (but not sysconfdir)
+# can be specified as a relative path some/where/else;
+# this is interpreted as relative to $(prefix) and "perf" at
+# runtime figures out where they are based on the path to the executable.
+# This can help installing the suite in a relocatable way.
+
+# Make the path relative to DESTDIR, not to prefix
+ifndef DESTDIR
+prefix ?= $(HOME)
+endif
+bindir_relative = bin
+bindir = $(abspath $(prefix)/$(bindir_relative))
+mandir = share/man
+infodir = share/info
+perfexecdir = libexec/perf-core
+sharedir = $(prefix)/share
+template_dir = share/perf-core/templates
+STRACE_GROUPS_DIR = share/perf-core/strace/groups
+htmldir = share/doc/perf-doc
+tipdir = share/doc/perf-tip
+srcdir = $(srctree)/tools/perf
+ifeq ($(prefix),/usr)
+sysconfdir = /etc
+ETC_PERFCONFIG = $(sysconfdir)/perfconfig
+else
+sysconfdir = $(prefix)/etc
+ETC_PERFCONFIG = etc/perfconfig
+endif
+ifndef lib
+ifeq ($(ARCH)$(IS_64_BIT), x861)
+lib = lib64
+else
+lib = lib
+endif
+endif # lib
+libdir = $(prefix)/$(lib)
+
+# Shell quote (do not use $(call) to accommodate ancient setups);
+ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
+STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
+DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
+bindir_SQ = $(subst ','\'',$(bindir))
+mandir_SQ = $(subst ','\'',$(mandir))
+infodir_SQ = $(subst ','\'',$(infodir))
+perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
+template_dir_SQ = $(subst ','\'',$(template_dir))
+htmldir_SQ = $(subst ','\'',$(htmldir))
+tipdir_SQ = $(subst ','\'',$(tipdir))
+prefix_SQ = $(subst ','\'',$(prefix))
+sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
+libdir_SQ = $(subst ','\'',$(libdir))
+srcdir_SQ = $(subst ','\'',$(srcdir))
+
+ifneq ($(filter /%,$(firstword $(perfexecdir))),)
+perfexec_instdir = $(perfexecdir)
+STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
+tip_instdir = $(tipdir)
+else
+perfexec_instdir = $(prefix)/$(perfexecdir)
+STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
+tip_instdir = $(prefix)/$(tipdir)
+endif
+perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
+STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
+tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
+
+# If we install to $(HOME) we keep the traceevent default:
+# $(HOME)/.traceevent/plugins
+# Otherwise we install plugins into the global $(libdir).
+ifdef DESTDIR
+plugindir=$(libdir)/traceevent/plugins
+plugindir_SQ= $(subst ','\'',$(plugindir))
+endif
+
+print_var = $(eval $(print_var_code)) $(info $(MSG))
+define print_var_code
+ MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
+endef
+
+ifeq ($(VF),1)
+ $(call print_var,prefix)
+ $(call print_var,bindir)
+ $(call print_var,libdir)
+ $(call print_var,sysconfdir)
+ $(call print_var,LIBUNWIND_DIR)
+ $(call print_var,LIBDW_DIR)
+
+ ifeq ($(dwarf-post-unwind),1)
+ $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
+ endif
+ $(info )
+endif
+
+$(call detected_var,bindir_SQ)
+$(call detected_var,PYTHON_WORD)
+ifneq ($(OUTPUT),)
+$(call detected_var,OUTPUT)
+endif
+$(call detected_var,htmldir_SQ)
+$(call detected_var,infodir_SQ)
+$(call detected_var,mandir_SQ)
+$(call detected_var,ETC_PERFCONFIG_SQ)
+$(call detected_var,STRACE_GROUPS_DIR_SQ)
+$(call detected_var,prefix_SQ)
+$(call detected_var,perfexecdir_SQ)
+$(call detected_var,tipdir_SQ)
+$(call detected_var,srcdir_SQ)
+$(call detected_var,LIBDIR)
+$(call detected_var,GTK_CFLAGS)
+$(call detected_var,PERL_EMBED_CCOPTS)
+$(call detected_var,PYTHON_EMBED_CCOPTS)
BPF_DIR = $(srctree)/tools/lib/bpf/
SUBCMD_DIR = $(srctree)/tools/lib/subcmd/
-# include config/Makefile by default and rule out
+# include Makefile.config by default and rule out
# non-config cases
config := 1
FEATURE_TESTS := all
endif
endif
-include config/Makefile
+include Makefile.config
endif
ifeq ($(config),0)
### Cleaning rules
#
-# This is here, not in config/Makefile, because config/Makefile does
+# This is here, not in Makefile.config, because Makefile.config does
# not get included for the clean target:
#
config-clean:
OPT_BOOLEAN('s', "stat", &record.opts.inherit_stat,
"per thread counts"),
OPT_BOOLEAN('d', "data", &record.opts.sample_address, "Record the sample addresses"),
+ OPT_BOOLEAN(0, "sample-cpu", &record.opts.sample_cpu, "Record the sample cpu"),
OPT_BOOLEAN_SET('T', "timestamp", &record.opts.sample_time,
&record.opts.sample_time_set,
"Record the sample timestamps"),
return err;
}
- err = symbol__annotate(sym, map, 0);
+ err = symbol__disassemble(sym, map, 0);
if (err == 0) {
out_assign:
top->sym_filter_entry = he;
+ } else {
+ char msg[BUFSIZ];
+ symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
+ pr_err("Couldn't annotate %s: %s\n", sym->name, msg);
}
pthread_mutex_unlock(¬es->lock);
+++ /dev/null
-
-ifeq ($(src-perf),)
-src-perf := $(srctree)/tools/perf
-endif
-
-ifeq ($(obj-perf),)
-obj-perf := $(OUTPUT)
-endif
-
-ifneq ($(obj-perf),)
-obj-perf := $(abspath $(obj-perf))/
-endif
-
-$(shell printf "" > $(OUTPUT).config-detected)
-detected = $(shell echo "$(1)=y" >> $(OUTPUT).config-detected)
-detected_var = $(shell echo "$(1)=$($(1))" >> $(OUTPUT).config-detected)
-
-CFLAGS := $(EXTRA_CFLAGS) $(EXTRA_WARNINGS)
-
-include $(srctree)/tools/scripts/Makefile.arch
-
-$(call detected_var,ARCH)
-
-NO_PERF_REGS := 1
-
-# Additional ARCH settings for ppc
-ifeq ($(ARCH),powerpc)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS := -lunwind -lunwind-ppc64
-endif
-
-# Additional ARCH settings for x86
-ifeq ($(ARCH),x86)
- $(call detected,CONFIG_X86)
- ifeq (${IS_64_BIT}, 1)
- CFLAGS += -DHAVE_ARCH_X86_64_SUPPORT -DHAVE_SYSCALL_TABLE -I$(OUTPUT)arch/x86/include/generated
- ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S
- LIBUNWIND_LIBS = -lunwind -lunwind-x86_64
- $(call detected,CONFIG_X86_64)
- else
- LIBUNWIND_LIBS = -lunwind-x86 -llzma -lunwind
- endif
- NO_PERF_REGS := 0
-endif
-
-ifeq ($(ARCH),arm)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS = -lunwind -lunwind-arm
-endif
-
-ifeq ($(ARCH),arm64)
- NO_PERF_REGS := 0
- LIBUNWIND_LIBS = -lunwind -lunwind-aarch64
-endif
-
-ifeq ($(NO_PERF_REGS),0)
- $(call detected,CONFIG_PERF_REGS)
-endif
-
-# So far there's only x86 and arm libdw unwind support merged in perf.
-# Disable it on all other architectures in case libdw unwind
-# support is detected in system. Add supported architectures
-# to the check.
-ifneq ($(ARCH),$(filter $(ARCH),x86 arm))
- NO_LIBDW_DWARF_UNWIND := 1
-endif
-
-ifeq ($(LIBUNWIND_LIBS),)
- NO_LIBUNWIND := 1
-endif
-#
-# For linking with debug library, run like:
-#
-# make DEBUG=1 LIBUNWIND_DIR=/opt/libunwind/
-#
-
-libunwind_arch_set_flags = $(eval $(libunwind_arch_set_flags_code))
-define libunwind_arch_set_flags_code
- FEATURE_CHECK_CFLAGS-libunwind-$(1) = -I$(LIBUNWIND_DIR)/include
- FEATURE_CHECK_LDFLAGS-libunwind-$(1) = -L$(LIBUNWIND_DIR)/lib
-endef
-
-ifdef LIBUNWIND_DIR
- LIBUNWIND_CFLAGS = -I$(LIBUNWIND_DIR)/include
- LIBUNWIND_LDFLAGS = -L$(LIBUNWIND_DIR)/lib
- LIBUNWIND_ARCHS = x86 x86_64 arm aarch64 debug-frame-arm debug-frame-aarch64
- $(foreach libunwind_arch,$(LIBUNWIND_ARCHS),$(call libunwind_arch_set_flags,$(libunwind_arch)))
-endif
-
-# Set per-feature check compilation flags
-FEATURE_CHECK_CFLAGS-libunwind = $(LIBUNWIND_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libunwind = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
-FEATURE_CHECK_CFLAGS-libunwind-debug-frame = $(LIBUNWIND_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libunwind-debug-frame = $(LIBUNWIND_LDFLAGS) $(LIBUNWIND_LIBS)
-
-ifeq ($(NO_PERF_REGS),0)
- CFLAGS += -DHAVE_PERF_REGS_SUPPORT
-endif
-
-# for linking with debug library, run like:
-# make DEBUG=1 LIBDW_DIR=/opt/libdw/
-ifdef LIBDW_DIR
- LIBDW_CFLAGS := -I$(LIBDW_DIR)/include
- LIBDW_LDFLAGS := -L$(LIBDW_DIR)/lib
-endif
-FEATURE_CHECK_CFLAGS-libdw-dwarf-unwind := $(LIBDW_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libdw-dwarf-unwind := $(LIBDW_LDFLAGS) -ldw
-
-# for linking with debug library, run like:
-# make DEBUG=1 LIBBABELTRACE_DIR=/opt/libbabeltrace/
-ifdef LIBBABELTRACE_DIR
- LIBBABELTRACE_CFLAGS := -I$(LIBBABELTRACE_DIR)/include
- LIBBABELTRACE_LDFLAGS := -L$(LIBBABELTRACE_DIR)/lib
-endif
-FEATURE_CHECK_CFLAGS-libbabeltrace := $(LIBBABELTRACE_CFLAGS)
-FEATURE_CHECK_LDFLAGS-libbabeltrace := $(LIBBABELTRACE_LDFLAGS) -lbabeltrace-ctf
-
-FEATURE_CHECK_CFLAGS-bpf = -I. -I$(srctree)/tools/include -I$(srctree)/tools/arch/$(ARCH)/include/uapi -I$(srctree)/tools/include/uapi
-# include ARCH specific config
--include $(src-perf)/arch/$(ARCH)/Makefile
-
-ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
- CFLAGS += -DHAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
-endif
-
-include $(srctree)/tools/scripts/utilities.mak
-
-ifeq ($(call get-executable,$(FLEX)),)
- dummy := $(error Error: $(FLEX) is missing on this system, please install it)
-endif
-
-ifeq ($(call get-executable,$(BISON)),)
- dummy := $(error Error: $(BISON) is missing on this system, please install it)
-endif
-
-# Treat warnings as errors unless directed not to
-ifneq ($(WERROR),0)
- CFLAGS += -Werror
-endif
-
-ifndef DEBUG
- DEBUG := 0
-endif
-
-ifeq ($(DEBUG),0)
- CFLAGS += -O6
-endif
-
-ifdef PARSER_DEBUG
- PARSER_DEBUG_BISON := -t
- PARSER_DEBUG_FLEX := -d
- CFLAGS += -DPARSER_DEBUG
- $(call detected_var,PARSER_DEBUG_BISON)
- $(call detected_var,PARSER_DEBUG_FLEX)
-endif
-
-# Try different combinations to accommodate systems that only have
-# python[2][-config] in weird combinations but always preferring
-# python2 and python2-config as per pep-0394. If we catch a
-# python[-config] in version 3, the version check will kill it.
-PYTHON2 := $(if $(call get-executable,python2),python2,python)
-override PYTHON := $(call get-executable-or-default,PYTHON,$(PYTHON2))
-PYTHON2_CONFIG := \
- $(if $(call get-executable,$(PYTHON)-config),$(PYTHON)-config,python-config)
-override PYTHON_CONFIG := \
- $(call get-executable-or-default,PYTHON_CONFIG,$(PYTHON2_CONFIG))
-
-PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
-
-PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
-PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
-
-FEATURE_CHECK_CFLAGS-libpython := $(PYTHON_EMBED_CCOPTS)
-FEATURE_CHECK_LDFLAGS-libpython := $(PYTHON_EMBED_LDOPTS)
-FEATURE_CHECK_CFLAGS-libpython-version := $(PYTHON_EMBED_CCOPTS)
-FEATURE_CHECK_LDFLAGS-libpython-version := $(PYTHON_EMBED_LDOPTS)
-
-CFLAGS += -fno-omit-frame-pointer
-CFLAGS += -ggdb3
-CFLAGS += -funwind-tables
-CFLAGS += -Wall
-CFLAGS += -Wextra
-CFLAGS += -std=gnu99
-
-# Enforce a non-executable stack, as we may regress (again) in the future by
-# adding assembler files missing the .GNU-stack linker note.
-LDFLAGS += -Wl,-z,noexecstack
-
-EXTLIBS = -lpthread -lrt -lm -ldl
-
-ifeq ($(FEATURES_DUMP),)
-include $(srctree)/tools/build/Makefile.feature
-else
-include $(FEATURES_DUMP)
-endif
-
-ifeq ($(feature-stackprotector-all), 1)
- CFLAGS += -fstack-protector-all
-endif
-
-ifeq ($(DEBUG),0)
- ifeq ($(feature-fortify-source), 1)
- CFLAGS += -D_FORTIFY_SOURCE=2
- endif
-endif
-
-CFLAGS += -I$(src-perf)/util/include
-CFLAGS += -I$(src-perf)/arch/$(ARCH)/include
-CFLAGS += -I$(srctree)/tools/include/uapi
-CFLAGS += -I$(srctree)/tools/include/
-CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/uapi
-CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/include/
-CFLAGS += -I$(srctree)/tools/arch/$(ARCH)/
-
-# $(obj-perf) for generated common-cmds.h
-# $(obj-perf)/util for generated bison/flex headers
-ifneq ($(OUTPUT),)
-CFLAGS += -I$(obj-perf)/util
-CFLAGS += -I$(obj-perf)
-endif
-
-CFLAGS += -I$(src-perf)/util
-CFLAGS += -I$(src-perf)
-CFLAGS += -I$(srctree)/tools/lib/
-
-CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -D_GNU_SOURCE
-
-ifeq ($(feature-sync-compare-and-swap), 1)
- CFLAGS += -DHAVE_SYNC_COMPARE_AND_SWAP_SUPPORT
-endif
-
-ifeq ($(feature-pthread-attr-setaffinity-np), 1)
- CFLAGS += -DHAVE_PTHREAD_ATTR_SETAFFINITY_NP
-endif
-
-ifndef NO_BIONIC
- $(call feature_check,bionic)
- ifeq ($(feature-bionic), 1)
- BIONIC := 1
- EXTLIBS := $(filter-out -lrt,$(EXTLIBS))
- EXTLIBS := $(filter-out -lpthread,$(EXTLIBS))
- endif
-endif
-
-ifdef NO_LIBELF
- NO_DWARF := 1
- NO_DEMANGLE := 1
- NO_LIBUNWIND := 1
- NO_LIBDW_DWARF_UNWIND := 1
- NO_LIBBPF := 1
-else
- ifeq ($(feature-libelf), 0)
- ifeq ($(feature-glibc), 1)
- LIBC_SUPPORT := 1
- endif
- ifeq ($(BIONIC),1)
- LIBC_SUPPORT := 1
- endif
- ifeq ($(LIBC_SUPPORT),1)
- msg := $(warning No libelf found, disables 'probe' tool and BPF support in 'perf record', please install libelf-dev, libelf-devel or elfutils-libelf-devel);
-
- NO_LIBELF := 1
- NO_DWARF := 1
- NO_DEMANGLE := 1
- NO_LIBUNWIND := 1
- NO_LIBDW_DWARF_UNWIND := 1
- NO_LIBBPF := 1
- else
- ifneq ($(filter s% -static%,$(LDFLAGS),),)
- msg := $(error No static glibc found, please install glibc-static);
- else
- msg := $(error No gnu/libc-version.h found, please install glibc-dev[el]);
- endif
- endif
- else
- ifndef NO_LIBDW_DWARF_UNWIND
- ifneq ($(feature-libdw-dwarf-unwind),1)
- NO_LIBDW_DWARF_UNWIND := 1
- msg := $(warning No libdw DWARF unwind found, Please install elfutils-devel/libdw-dev >= 0.158 and/or set LIBDW_DIR);
- endif
- endif
- ifneq ($(feature-dwarf), 1)
- msg := $(warning No libdw.h found or old libdw.h found or elfutils is older than 0.138, disables dwarf support. Please install new elfutils-devel/libdw-dev);
- NO_DWARF := 1
- else
- ifneq ($(feature-dwarf_getlocations), 1)
- msg := $(warning Old libdw.h, finding variables at given 'perf probe' point will not work, install elfutils-devel/libdw-dev >= 0.157);
- else
- CFLAGS += -DHAVE_DWARF_GETLOCATIONS
- endif # dwarf_getlocations
- endif # Dwarf support
- endif # libelf support
-endif # NO_LIBELF
-
-ifdef NO_DWARF
- NO_LIBDW_DWARF_UNWIND := 1
-endif
-
-ifndef NO_LIBELF
- CFLAGS += -DHAVE_LIBELF_SUPPORT
- EXTLIBS += -lelf
- $(call detected,CONFIG_LIBELF)
-
- ifeq ($(feature-libelf-mmap), 1)
- CFLAGS += -DHAVE_LIBELF_MMAP_SUPPORT
- endif
-
- ifeq ($(feature-libelf-getphdrnum), 1)
- CFLAGS += -DHAVE_ELF_GETPHDRNUM_SUPPORT
- endif
-
- ifeq ($(feature-libelf-gelf_getnote), 1)
- CFLAGS += -DHAVE_GELF_GETNOTE_SUPPORT
- else
- msg := $(warning gelf_getnote() not found on libelf, SDT support disabled);
- endif
-
- ifeq ($(feature-libelf-getshdrstrndx), 1)
- CFLAGS += -DHAVE_ELF_GETSHDRSTRNDX_SUPPORT
- endif
-
- ifndef NO_DWARF
- ifeq ($(origin PERF_HAVE_DWARF_REGS), undefined)
- msg := $(warning DWARF register mappings have not been defined for architecture $(ARCH), DWARF support disabled);
- NO_DWARF := 1
- else
- CFLAGS += -DHAVE_DWARF_SUPPORT $(LIBDW_CFLAGS)
- LDFLAGS += $(LIBDW_LDFLAGS)
- DWARFLIBS := -ldw
- ifeq ($(findstring -static,${LDFLAGS}),-static)
- DWARFLIBS += -lelf -lebl -lz -llzma -lbz2
- endif
- EXTLIBS += ${DWARFLIBS}
- $(call detected,CONFIG_DWARF)
- endif # PERF_HAVE_DWARF_REGS
- endif # NO_DWARF
-
- ifndef NO_LIBBPF
- ifeq ($(feature-bpf), 1)
- CFLAGS += -DHAVE_LIBBPF_SUPPORT
- $(call detected,CONFIG_LIBBPF)
- endif
-
- ifndef NO_DWARF
- ifdef PERF_HAVE_ARCH_REGS_QUERY_REGISTER_OFFSET
- CFLAGS += -DHAVE_BPF_PROLOGUE
- $(call detected,CONFIG_BPF_PROLOGUE)
- else
- msg := $(warning BPF prologue is not supported by architecture $(ARCH), missing regs_query_register_offset());
- endif
- else
- msg := $(warning DWARF support is off, BPF prologue is disabled);
- endif
-
- endif # NO_LIBBPF
-endif # NO_LIBELF
-
-ifndef NO_SDT
- ifneq ($(feature-sdt), 1)
- msg := $(warning No sys/sdt.h found, no SDT events are defined, please install systemtap-sdt-devel or systemtap-sdt-dev);
- NO_SDT := 1;
- else
- CFLAGS += -DHAVE_SDT_EVENT
- $(call detected,CONFIG_SDT_EVENT)
- endif
-endif
-
-ifdef PERF_HAVE_JITDUMP
- ifndef NO_DWARF
- $(call detected,CONFIG_JITDUMP)
- CFLAGS += -DHAVE_JITDUMP
- endif
-endif
-
-ifeq ($(ARCH),powerpc)
- ifndef NO_DWARF
- CFLAGS += -DHAVE_SKIP_CALLCHAIN_IDX
- endif
-endif
-
-ifndef NO_LIBUNWIND
- have_libunwind :=
-
- ifeq ($(feature-libunwind-x86), 1)
- $(call detected,CONFIG_LIBUNWIND_X86)
- CFLAGS += -DHAVE_LIBUNWIND_X86_SUPPORT
- LDFLAGS += -lunwind-x86
- EXTLIBS_LIBUNWIND += -lunwind-x86
- have_libunwind = 1
- endif
-
- ifeq ($(feature-libunwind-aarch64), 1)
- $(call detected,CONFIG_LIBUNWIND_AARCH64)
- CFLAGS += -DHAVE_LIBUNWIND_AARCH64_SUPPORT
- LDFLAGS += -lunwind-aarch64
- EXTLIBS_LIBUNWIND += -lunwind-aarch64
- have_libunwind = 1
- $(call feature_check,libunwind-debug-frame-aarch64)
- ifneq ($(feature-libunwind-debug-frame-aarch64), 1)
- msg := $(warning No debug_frame support found in libunwind-aarch64);
- CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME_AARCH64
- endif
- endif
-
- ifneq ($(feature-libunwind), 1)
- msg := $(warning No libunwind found. Please install libunwind-dev[el] >= 1.1 and/or set LIBUNWIND_DIR);
- NO_LOCAL_LIBUNWIND := 1
- else
- have_libunwind := 1
- $(call detected,CONFIG_LOCAL_LIBUNWIND)
- endif
-
- ifneq ($(have_libunwind), 1)
- NO_LIBUNWIND := 1
- endif
-else
- NO_LOCAL_LIBUNWIND := 1
-endif
-
-ifndef NO_LIBBPF
- ifneq ($(feature-bpf), 1)
- msg := $(warning BPF API too old. Please install recent kernel headers. BPF support in 'perf record' is disabled.)
- NO_LIBBPF := 1
- endif
-endif
-
-dwarf-post-unwind := 1
-dwarf-post-unwind-text := BUG
-
-# setup DWARF post unwinder
-ifdef NO_LIBUNWIND
- ifdef NO_LIBDW_DWARF_UNWIND
- msg := $(warning Disabling post unwind, no support found.);
- dwarf-post-unwind := 0
- else
- dwarf-post-unwind-text := libdw
- $(call detected,CONFIG_LIBDW_DWARF_UNWIND)
- endif
-else
- dwarf-post-unwind-text := libunwind
- $(call detected,CONFIG_LIBUNWIND)
- # Enable libunwind support by default.
- ifndef NO_LIBDW_DWARF_UNWIND
- NO_LIBDW_DWARF_UNWIND := 1
- endif
-endif
-
-ifeq ($(dwarf-post-unwind),1)
- CFLAGS += -DHAVE_DWARF_UNWIND_SUPPORT
- $(call detected,CONFIG_DWARF_UNWIND)
-else
- NO_DWARF_UNWIND := 1
-endif
-
-ifndef NO_LOCAL_LIBUNWIND
- ifeq ($(ARCH),$(filter $(ARCH),arm arm64))
- $(call feature_check,libunwind-debug-frame)
- ifneq ($(feature-libunwind-debug-frame), 1)
- msg := $(warning No debug_frame support found in libunwind);
- CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
- endif
- else
- # non-ARM has no dwarf_find_debug_frame() function:
- CFLAGS += -DNO_LIBUNWIND_DEBUG_FRAME
- endif
- EXTLIBS += $(LIBUNWIND_LIBS)
- LDFLAGS += $(LIBUNWIND_LIBS)
-endif
-
-ifndef NO_LIBUNWIND
- CFLAGS += -DHAVE_LIBUNWIND_SUPPORT
- CFLAGS += $(LIBUNWIND_CFLAGS)
- LDFLAGS += $(LIBUNWIND_LDFLAGS)
- EXTLIBS += $(EXTLIBS_LIBUNWIND)
-endif
-
-ifndef NO_LIBAUDIT
- ifneq ($(feature-libaudit), 1)
- msg := $(warning No libaudit.h found, disables 'trace' tool, please install audit-libs-devel or libaudit-dev);
- NO_LIBAUDIT := 1
- else
- CFLAGS += -DHAVE_LIBAUDIT_SUPPORT
- EXTLIBS += -laudit
- $(call detected,CONFIG_AUDIT)
- endif
-endif
-
-ifndef NO_LIBCRYPTO
- ifneq ($(feature-libcrypto), 1)
- msg := $(warning No libcrypto.h found, disables jitted code injection, please install libssl-devel or libssl-dev);
- NO_LIBCRYPTO := 1
- else
- CFLAGS += -DHAVE_LIBCRYPTO_SUPPORT
- EXTLIBS += -lcrypto
- $(call detected,CONFIG_CRYPTO)
- endif
-endif
-
-ifdef NO_NEWT
- NO_SLANG=1
-endif
-
-ifndef NO_SLANG
- ifneq ($(feature-libslang), 1)
- msg := $(warning slang not found, disables TUI support. Please install slang-devel, libslang-dev or libslang2-dev);
- NO_SLANG := 1
- else
- # Fedora has /usr/include/slang/slang.h, but ubuntu /usr/include/slang.h
- CFLAGS += -I/usr/include/slang
- CFLAGS += -DHAVE_SLANG_SUPPORT
- EXTLIBS += -lslang
- $(call detected,CONFIG_SLANG)
- endif
-endif
-
-ifndef NO_GTK2
- FLAGS_GTK2=$(CFLAGS) $(LDFLAGS) $(EXTLIBS) $(shell $(PKG_CONFIG) --libs --cflags gtk+-2.0 2>/dev/null)
- ifneq ($(feature-gtk2), 1)
- msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev);
- NO_GTK2 := 1
- else
- ifeq ($(feature-gtk2-infobar), 1)
- GTK_CFLAGS := -DHAVE_GTK_INFO_BAR_SUPPORT
- endif
- CFLAGS += -DHAVE_GTK2_SUPPORT
- GTK_CFLAGS += $(shell $(PKG_CONFIG) --cflags gtk+-2.0 2>/dev/null)
- GTK_LIBS := $(shell $(PKG_CONFIG) --libs gtk+-2.0 2>/dev/null)
- EXTLIBS += -ldl
- endif
-endif
-
-grep-libs = $(filter -l%,$(1))
-strip-libs = $(filter-out -l%,$(1))
-
-ifdef NO_LIBPERL
- CFLAGS += -DNO_LIBPERL
-else
- PERL_EMBED_LDOPTS = $(shell perl -MExtUtils::Embed -e ldopts 2>/dev/null)
- PERL_EMBED_LDFLAGS = $(call strip-libs,$(PERL_EMBED_LDOPTS))
- PERL_EMBED_LIBADD = $(call grep-libs,$(PERL_EMBED_LDOPTS))
- PERL_EMBED_CCOPTS = `perl -MExtUtils::Embed -e ccopts 2>/dev/null`
- FLAGS_PERL_EMBED=$(PERL_EMBED_CCOPTS) $(PERL_EMBED_LDOPTS)
-
- ifneq ($(feature-libperl), 1)
- CFLAGS += -DNO_LIBPERL
- NO_LIBPERL := 1
- msg := $(warning Missing perl devel files. Disabling perl scripting support, please install perl-ExtUtils-Embed/libperl-dev);
- else
- LDFLAGS += $(PERL_EMBED_LDFLAGS)
- EXTLIBS += $(PERL_EMBED_LIBADD)
- $(call detected,CONFIG_LIBPERL)
- endif
-endif
-
-ifeq ($(feature-timerfd), 1)
- CFLAGS += -DHAVE_TIMERFD_SUPPORT
-else
- msg := $(warning No timerfd support. Disables 'perf kvm stat live');
-endif
-
-disable-python = $(eval $(disable-python_code))
-define disable-python_code
- CFLAGS += -DNO_LIBPYTHON
- $(warning $1)
- NO_LIBPYTHON := 1
-endef
-
-ifdef NO_LIBPYTHON
- $(call disable-python,Python support disabled by user)
-else
-
- ifndef PYTHON
- $(call disable-python,No python interpreter was found: disables Python support - please install python-devel/python-dev)
- else
- PYTHON_WORD := $(call shell-wordify,$(PYTHON))
-
- ifndef PYTHON_CONFIG
- $(call disable-python,No 'python-config' tool was found: disables Python support - please install python-devel/python-dev)
- else
-
- PYTHON_CONFIG_SQ := $(call shell-sq,$(PYTHON_CONFIG))
-
- PYTHON_EMBED_LDOPTS := $(shell $(PYTHON_CONFIG_SQ) --ldflags 2>/dev/null)
- PYTHON_EMBED_LDFLAGS := $(call strip-libs,$(PYTHON_EMBED_LDOPTS))
- PYTHON_EMBED_LIBADD := $(call grep-libs,$(PYTHON_EMBED_LDOPTS)) -lutil
- PYTHON_EMBED_CCOPTS := $(shell $(PYTHON_CONFIG_SQ) --cflags 2>/dev/null)
- FLAGS_PYTHON_EMBED := $(PYTHON_EMBED_CCOPTS) $(PYTHON_EMBED_LDOPTS)
-
- ifneq ($(feature-libpython), 1)
- $(call disable-python,No 'Python.h' (for Python 2.x support) was found: disables Python support - please install python-devel/python-dev)
- else
-
- ifneq ($(feature-libpython-version), 1)
- $(warning Python 3 is not yet supported; please set)
- $(warning PYTHON and/or PYTHON_CONFIG appropriately.)
- $(warning If you also have Python 2 installed, then)
- $(warning try something like:)
- $(warning $(and ,))
- $(warning $(and ,) make PYTHON=python2)
- $(warning $(and ,))
- $(warning Otherwise, disable Python support entirely:)
- $(warning $(and ,))
- $(warning $(and ,) make NO_LIBPYTHON=1)
- $(warning $(and ,))
- $(error $(and ,))
- else
- LDFLAGS += $(PYTHON_EMBED_LDFLAGS)
- EXTLIBS += $(PYTHON_EMBED_LIBADD)
- LANG_BINDINGS += $(obj-perf)python/perf.so
- $(call detected,CONFIG_LIBPYTHON)
- endif
- endif
- endif
- endif
-endif
-
-ifeq ($(feature-libbfd), 1)
- EXTLIBS += -lbfd
-
- # call all detections now so we get correct
- # status in VF output
- $(call feature_check,liberty)
- $(call feature_check,liberty-z)
- $(call feature_check,cplus-demangle)
-
- ifeq ($(feature-liberty), 1)
- EXTLIBS += -liberty
- else
- ifeq ($(feature-liberty-z), 1)
- EXTLIBS += -liberty -lz
- endif
- endif
-endif
-
-ifdef NO_DEMANGLE
- CFLAGS += -DNO_DEMANGLE
-else
- ifdef HAVE_CPLUS_DEMANGLE_SUPPORT
- EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
- else
- ifneq ($(feature-libbfd), 1)
- ifneq ($(feature-liberty), 1)
- ifneq ($(feature-liberty-z), 1)
- # we dont have neither HAVE_CPLUS_DEMANGLE_SUPPORT
- # or any of 'bfd iberty z' trinity
- ifeq ($(feature-cplus-demangle), 1)
- EXTLIBS += -liberty
- CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
- else
- msg := $(warning No bfd.h/libbfd found, please install binutils-dev[el]/zlib-static/libiberty-dev to gain symbol demangling)
- CFLAGS += -DNO_DEMANGLE
- endif
- endif
- endif
- endif
- endif
-endif
-
-ifneq ($(filter -lbfd,$(EXTLIBS)),)
- CFLAGS += -DHAVE_LIBBFD_SUPPORT
-endif
-
-ifndef NO_ZLIB
- ifeq ($(feature-zlib), 1)
- CFLAGS += -DHAVE_ZLIB_SUPPORT
- EXTLIBS += -lz
- $(call detected,CONFIG_ZLIB)
- else
- NO_ZLIB := 1
- endif
-endif
-
-ifndef NO_LZMA
- ifeq ($(feature-lzma), 1)
- CFLAGS += -DHAVE_LZMA_SUPPORT
- EXTLIBS += -llzma
- $(call detected,CONFIG_LZMA)
- else
- msg := $(warning No liblzma found, disables xz kernel module decompression, please install xz-devel/liblzma-dev);
- NO_LZMA := 1
- endif
-endif
-
-ifndef NO_BACKTRACE
- ifeq ($(feature-backtrace), 1)
- CFLAGS += -DHAVE_BACKTRACE_SUPPORT
- endif
-endif
-
-ifndef NO_LIBNUMA
- ifeq ($(feature-libnuma), 0)
- msg := $(warning No numa.h found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev);
- NO_LIBNUMA := 1
- else
- ifeq ($(feature-numa_num_possible_cpus), 0)
- msg := $(warning Old numa library found, disables 'perf bench numa mem' benchmark, please install numactl-devel/libnuma-devel/libnuma-dev >= 2.0.8);
- NO_LIBNUMA := 1
- else
- CFLAGS += -DHAVE_LIBNUMA_SUPPORT
- EXTLIBS += -lnuma
- $(call detected,CONFIG_NUMA)
- endif
- endif
-endif
-
-ifdef HAVE_KVM_STAT_SUPPORT
- CFLAGS += -DHAVE_KVM_STAT_SUPPORT
-endif
-
-ifeq (${IS_64_BIT}, 1)
- ifndef NO_PERF_READ_VDSO32
- $(call feature_check,compile-32)
- ifeq ($(feature-compile-32), 1)
- CFLAGS += -DHAVE_PERF_READ_VDSO32
- else
- NO_PERF_READ_VDSO32 := 1
- endif
- endif
- ifneq ($(ARCH), x86)
- NO_PERF_READ_VDSOX32 := 1
- endif
- ifndef NO_PERF_READ_VDSOX32
- $(call feature_check,compile-x32)
- ifeq ($(feature-compile-x32), 1)
- CFLAGS += -DHAVE_PERF_READ_VDSOX32
- else
- NO_PERF_READ_VDSOX32 := 1
- endif
- endif
-else
- NO_PERF_READ_VDSO32 := 1
- NO_PERF_READ_VDSOX32 := 1
-endif
-
-ifdef LIBBABELTRACE
- $(call feature_check,libbabeltrace)
- ifeq ($(feature-libbabeltrace), 1)
- CFLAGS += -DHAVE_LIBBABELTRACE_SUPPORT $(LIBBABELTRACE_CFLAGS)
- LDFLAGS += $(LIBBABELTRACE_LDFLAGS)
- EXTLIBS += -lbabeltrace-ctf
- $(call detected,CONFIG_LIBBABELTRACE)
- else
- msg := $(warning No libbabeltrace found, disables 'perf data' CTF format support, please install libbabeltrace-dev[el]/libbabeltrace-ctf-dev);
- endif
-endif
-
-ifndef NO_AUXTRACE
- ifeq ($(feature-get_cpuid), 0)
- msg := $(warning Your gcc lacks the __get_cpuid() builtin, disables support for auxtrace/Intel PT, please install a newer gcc);
- NO_AUXTRACE := 1
- else
- $(call detected,CONFIG_AUXTRACE)
- CFLAGS += -DHAVE_AUXTRACE_SUPPORT
- endif
-endif
-
-# Among the variables below, these:
-# perfexecdir
-# template_dir
-# mandir
-# infodir
-# htmldir
-# ETC_PERFCONFIG (but not sysconfdir)
-# can be specified as a relative path some/where/else;
-# this is interpreted as relative to $(prefix) and "perf" at
-# runtime figures out where they are based on the path to the executable.
-# This can help installing the suite in a relocatable way.
-
-# Make the path relative to DESTDIR, not to prefix
-ifndef DESTDIR
-prefix ?= $(HOME)
-endif
-bindir_relative = bin
-bindir = $(abspath $(prefix)/$(bindir_relative))
-mandir = share/man
-infodir = share/info
-perfexecdir = libexec/perf-core
-sharedir = $(prefix)/share
-template_dir = share/perf-core/templates
-STRACE_GROUPS_DIR = share/perf-core/strace/groups
-htmldir = share/doc/perf-doc
-tipdir = share/doc/perf-tip
-srcdir = $(srctree)/tools/perf
-ifeq ($(prefix),/usr)
-sysconfdir = /etc
-ETC_PERFCONFIG = $(sysconfdir)/perfconfig
-else
-sysconfdir = $(prefix)/etc
-ETC_PERFCONFIG = etc/perfconfig
-endif
-ifndef lib
-ifeq ($(ARCH)$(IS_64_BIT), x861)
-lib = lib64
-else
-lib = lib
-endif
-endif # lib
-libdir = $(prefix)/$(lib)
-
-# Shell quote (do not use $(call) to accommodate ancient setups);
-ETC_PERFCONFIG_SQ = $(subst ','\'',$(ETC_PERFCONFIG))
-STRACE_GROUPS_DIR_SQ = $(subst ','\'',$(STRACE_GROUPS_DIR))
-DESTDIR_SQ = $(subst ','\'',$(DESTDIR))
-bindir_SQ = $(subst ','\'',$(bindir))
-mandir_SQ = $(subst ','\'',$(mandir))
-infodir_SQ = $(subst ','\'',$(infodir))
-perfexecdir_SQ = $(subst ','\'',$(perfexecdir))
-template_dir_SQ = $(subst ','\'',$(template_dir))
-htmldir_SQ = $(subst ','\'',$(htmldir))
-tipdir_SQ = $(subst ','\'',$(tipdir))
-prefix_SQ = $(subst ','\'',$(prefix))
-sysconfdir_SQ = $(subst ','\'',$(sysconfdir))
-libdir_SQ = $(subst ','\'',$(libdir))
-srcdir_SQ = $(subst ','\'',$(srcdir))
-
-ifneq ($(filter /%,$(firstword $(perfexecdir))),)
-perfexec_instdir = $(perfexecdir)
-STRACE_GROUPS_INSTDIR = $(STRACE_GROUPS_DIR)
-tip_instdir = $(tipdir)
-else
-perfexec_instdir = $(prefix)/$(perfexecdir)
-STRACE_GROUPS_INSTDIR = $(prefix)/$(STRACE_GROUPS_DIR)
-tip_instdir = $(prefix)/$(tipdir)
-endif
-perfexec_instdir_SQ = $(subst ','\'',$(perfexec_instdir))
-STRACE_GROUPS_INSTDIR_SQ = $(subst ','\'',$(STRACE_GROUPS_INSTDIR))
-tip_instdir_SQ = $(subst ','\'',$(tip_instdir))
-
-# If we install to $(HOME) we keep the traceevent default:
-# $(HOME)/.traceevent/plugins
-# Otherwise we install plugins into the global $(libdir).
-ifdef DESTDIR
-plugindir=$(libdir)/traceevent/plugins
-plugindir_SQ= $(subst ','\'',$(plugindir))
-endif
-
-print_var = $(eval $(print_var_code)) $(info $(MSG))
-define print_var_code
- MSG = $(shell printf '...%30s: %s' $(1) $($(1)))
-endef
-
-ifeq ($(VF),1)
- $(call print_var,prefix)
- $(call print_var,bindir)
- $(call print_var,libdir)
- $(call print_var,sysconfdir)
- $(call print_var,LIBUNWIND_DIR)
- $(call print_var,LIBDW_DIR)
-
- ifeq ($(dwarf-post-unwind),1)
- $(call feature_print_text,"DWARF post unwind library", $(dwarf-post-unwind-text))
- endif
- $(info )
-endif
-
-$(call detected_var,bindir_SQ)
-$(call detected_var,PYTHON_WORD)
-ifneq ($(OUTPUT),)
-$(call detected_var,OUTPUT)
-endif
-$(call detected_var,htmldir_SQ)
-$(call detected_var,infodir_SQ)
-$(call detected_var,mandir_SQ)
-$(call detected_var,ETC_PERFCONFIG_SQ)
-$(call detected_var,STRACE_GROUPS_DIR_SQ)
-$(call detected_var,prefix_SQ)
-$(call detected_var,perfexecdir_SQ)
-$(call detected_var,tipdir_SQ)
-$(call detected_var,srcdir_SQ)
-$(call detected_var,LIBDIR)
-$(call detected_var,GTK_CFLAGS)
-$(call detected_var,PERL_EMBED_CCOPTS)
-$(call detected_var,PYTHON_EMBED_CCOPTS)
bool sample_weight;
bool sample_time;
bool sample_time_set;
+ bool sample_cpu;
bool period;
bool running_time;
bool full_auxtrace;
libperf-y += Context.o
-CFLAGS_Context.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-nested-externs -Wno-undef -Wno-switch-default
+CFLAGS_Context.o += $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes
+CFLAGS_Context.o += -Wno-unused-parameter -Wno-nested-externs -Wno-undef
+CFLAGS_Context.o += -Wno-switch-default -Wno-shadow
perf-y += backward-ring-buffer.o
perf-y += sdt.o
perf-y += is_printable_array.o
+perf-y += bitmap.o
$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build
$(call rule_mkdir)
--- /dev/null
+#include <linux/compiler.h>
+#include <linux/bitmap.h>
+#include "tests.h"
+#include "cpumap.h"
+#include "debug.h"
+
+#define NBITS 100
+
+static unsigned long *get_bitmap(const char *str, int nbits)
+{
+ struct cpu_map *map = cpu_map__new(str);
+ unsigned long *bm = NULL;
+ int i;
+
+ bm = bitmap_alloc(nbits);
+
+ if (map && bm) {
+ bitmap_zero(bm, nbits);
+
+ for (i = 0; i < map->nr; i++)
+ set_bit(map->map[i], bm);
+ }
+
+ if (map)
+ cpu_map__put(map);
+ return bm;
+}
+
+static int test_bitmap(const char *str)
+{
+ unsigned long *bm = get_bitmap(str, NBITS);
+ char buf[100];
+ int ret;
+
+ bitmap_scnprintf(bm, NBITS, buf, sizeof(buf));
+ pr_debug("bitmap: %s\n", buf);
+
+ ret = !strcmp(buf, str);
+ free(bm);
+ return ret;
+}
+
+int test__bitmap_print(int subtest __maybe_unused)
+{
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,5"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3,5,7,9,11,13,15,17,19,21-40"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("2-5"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1,3-6,8-10,24,35-37"));
+ TEST_ASSERT_VAL("failed to convert map", test_bitmap("1-10,12-20,22-30,32-40"));
+ return 0;
+}
.max_entries = 1,
};
-SEC("func=sys_epoll_wait")
-int bpf_func__sys_epoll_wait(void *ctx)
+SEC("func=SyS_epoll_wait")
+int bpf_func__SyS_epoll_wait(void *ctx)
{
int ind =0;
int *flag = bpf_map_lookup_elem(&flip_table, &ind);
.desc = "Test is_printable_array function",
.func = test__is_printable_array,
},
+ {
+ .desc = "Test bitmap print",
+ .func = test__bitmap_print,
+ },
{
.func = NULL,
},
return c - 'A' + 10;
}
-static size_t read_objdump_line(const char *line, size_t line_len, void *buf,
- size_t len)
+static size_t read_objdump_chunk(const char **line, unsigned char **buf,
+ size_t *buf_len)
{
- const char *p;
- size_t i, j = 0;
-
- /* Skip to a colon */
- p = strchr(line, ':');
- if (!p)
- return 0;
- i = p + 1 - line;
+ size_t bytes_read = 0;
+ unsigned char *chunk_start = *buf;
/* Read bytes */
- while (j < len) {
+ while (*buf_len > 0) {
char c1, c2;
- /* Skip spaces */
- for (; i < line_len; i++) {
- if (!isspace(line[i]))
- break;
- }
/* Get 2 hex digits */
- if (i >= line_len || !isxdigit(line[i]))
+ c1 = *(*line)++;
+ if (!isxdigit(c1))
break;
- c1 = line[i++];
- if (i >= line_len || !isxdigit(line[i]))
+ c2 = *(*line)++;
+ if (!isxdigit(c2))
break;
- c2 = line[i++];
- /* Followed by a space */
- if (i < line_len && line[i] && !isspace(line[i]))
+
+ /* Store byte and advance buf */
+ **buf = (hex(c1) << 4) | hex(c2);
+ (*buf)++;
+ (*buf_len)--;
+ bytes_read++;
+
+ /* End of chunk? */
+ if (isspace(**line))
break;
- /* Store byte */
- *(unsigned char *)buf = (hex(c1) << 4) | hex(c2);
- buf += 1;
- j++;
}
+
+ /*
+ * objdump will display raw insn as LE if code endian
+ * is LE and bytes_per_chunk > 1. In that case reverse
+ * the chunk we just read.
+ *
+ * see disassemble_bytes() at binutils/objdump.c for details
+ * how objdump chooses display endian)
+ */
+ if (bytes_read > 1 && !bigendian()) {
+ unsigned char *chunk_end = chunk_start + bytes_read - 1;
+ unsigned char tmp;
+
+ while (chunk_start < chunk_end) {
+ tmp = *chunk_start;
+ *chunk_start = *chunk_end;
+ *chunk_end = tmp;
+ chunk_start++;
+ chunk_end--;
+ }
+ }
+
+ return bytes_read;
+}
+
+static size_t read_objdump_line(const char *line, unsigned char *buf,
+ size_t buf_len)
+{
+ const char *p;
+ size_t ret, bytes_read = 0;
+
+ /* Skip to a colon */
+ p = strchr(line, ':');
+ if (!p)
+ return 0;
+ p++;
+
+ /* Skip initial spaces */
+ while (*p) {
+ if (!isspace(*p))
+ break;
+ p++;
+ }
+
+ do {
+ ret = read_objdump_chunk(&p, &buf, &buf_len);
+ bytes_read += ret;
+ p++;
+ } while (ret > 0);
+
/* return number of successfully read bytes */
- return j;
+ return bytes_read;
}
static int read_objdump_output(FILE *f, void *buf, size_t *len, u64 start_addr)
}
/* read objdump data into temporary buffer */
- read_bytes = read_objdump_line(line, ret, tmp, sizeof(tmp));
+ read_bytes = read_objdump_line(line, tmp, sizeof(tmp));
if (!read_bytes)
continue;
ret = read_objdump_output(f, buf, &len, addr);
if (len) {
- pr_debug("objdump read too few bytes\n");
+ pr_debug("objdump read too few bytes: %zd\n", len);
if (!ret)
ret = len;
}
int test__cpu_map_print(int subtest);
int test__sdt_event(int subtest);
int test__is_printable_array(int subtest);
+int test__bitmap_print(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT
.use_navkeypressed = true,
},
};
- int ret = -1;
+ int ret = -1, err;
int nr_pcnt = 1;
size_t sizeof_bdl = sizeof(struct browser_disasm_line);
(nr_pcnt - 1);
}
- if (symbol__annotate(sym, map, sizeof_bdl) < 0) {
- ui__error("%s", ui_helpline__last_msg);
+ err = symbol__disassemble(sym, map, sizeof_bdl);
+ if (err) {
+ char msg[BUFSIZ];
+ symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
+ ui__error("Couldn't annotate %s:\n%s", sym->name, msg);
goto out_free_offsets;
}
GtkWidget *notebook;
GtkWidget *scrolled_window;
GtkWidget *tab_label;
+ int err;
if (map->dso->annotate_warned)
return -1;
- if (symbol__annotate(sym, map, 0) < 0) {
- ui__error("%s", ui_helpline__current);
+ err = symbol__disassemble(sym, map, 0);
+ if (err) {
+ char msg[BUFSIZ];
+ symbol__strerror_disassemble(sym, map, err, msg, sizeof(msg));
+ ui__error("Couldn't annotate %s: %s\n", sym->name, msg);
return -1;
}
}
}
-int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
+int symbol__strerror_disassemble(struct symbol *sym __maybe_unused, struct map *map,
+ int errnum, char *buf, size_t buflen)
+{
+ struct dso *dso = map->dso;
+
+ BUG_ON(buflen == 0);
+
+ if (errnum >= 0) {
+ str_error_r(errnum, buf, buflen);
+ return 0;
+ }
+
+ switch (errnum) {
+ case SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX: {
+ char bf[SBUILD_ID_SIZE + 15] = " with build id ";
+ char *build_id_msg = NULL;
+
+ if (dso->has_build_id) {
+ build_id__sprintf(dso->build_id,
+ sizeof(dso->build_id), bf + 15);
+ build_id_msg = bf;
+ }
+ scnprintf(buf, buflen,
+ "No vmlinux file%s\nwas found in the path.\n\n"
+ "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
+ "Please use:\n\n"
+ " perf buildid-cache -vu vmlinux\n\n"
+ "or:\n\n"
+ " --vmlinux vmlinux\n", build_id_msg ?: "");
+ }
+ break;
+ default:
+ scnprintf(buf, buflen, "Internal error: Invalid %d error code\n", errnum);
+ break;
+ }
+
+ return 0;
+}
+
+int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize)
{
struct dso *dso = map->dso;
char *filename = dso__build_id_filename(dso, NULL, 0);
char symfs_filename[PATH_MAX];
struct kcore_extract kce;
bool delete_extract = false;
+ int stdout_fd[2];
int lineno = 0;
int nline;
+ pid_t pid;
if (filename)
symbol__join_symfs(symfs_filename, filename);
if (filename == NULL) {
- if (dso->has_build_id) {
- pr_err("Can't annotate %s: not enough memory\n",
- sym->name);
- return -ENOMEM;
- }
+ if (dso->has_build_id)
+ return ENOMEM;
goto fallback;
- } else if (dso__is_kcore(dso)) {
- goto fallback;
- } else if (readlink(symfs_filename, command, sizeof(command)) < 0 ||
+ } else if (dso__is_kcore(dso) ||
+ readlink(symfs_filename, command, sizeof(command)) < 0 ||
strstr(command, DSO__NAME_KALLSYMS) ||
access(symfs_filename, R_OK)) {
free(filename);
if (dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS &&
!dso__is_kcore(dso)) {
- char bf[SBUILD_ID_SIZE + 15] = " with build id ";
- char *build_id_msg = NULL;
-
- if (dso->annotate_warned)
- goto out_free_filename;
-
- if (dso->has_build_id) {
- build_id__sprintf(dso->build_id,
- sizeof(dso->build_id), bf + 15);
- build_id_msg = bf;
- }
- err = -ENOENT;
- dso->annotate_warned = 1;
- pr_err("Can't annotate %s:\n\n"
- "No vmlinux file%s\nwas found in the path.\n\n"
- "Note that annotation using /proc/kcore requires CAP_SYS_RAWIO capability.\n\n"
- "Please use:\n\n"
- " perf buildid-cache -vu vmlinux\n\n"
- "or:\n\n"
- " --vmlinux vmlinux\n",
- sym->name, build_id_msg ?: "");
+ err = SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX;
goto out_free_filename;
}
pr_debug("Executing: %s\n", command);
- file = popen(command, "r");
+ err = -1;
+ if (pipe(stdout_fd) < 0) {
+ pr_err("Failure creating the pipe to run %s\n", command);
+ goto out_remove_tmp;
+ }
+
+ pid = fork();
+ if (pid < 0) {
+ pr_err("Failure forking to run %s\n", command);
+ goto out_close_stdout;
+ }
+
+ if (pid == 0) {
+ close(stdout_fd[0]);
+ dup2(stdout_fd[1], 1);
+ close(stdout_fd[1]);
+ execl("/bin/sh", "sh", "-c", command, NULL);
+ perror(command);
+ exit(-1);
+ }
+
+ close(stdout_fd[1]);
+
+ file = fdopen(stdout_fd[0], "r");
if (!file) {
- pr_err("Failure running %s\n", command);
+ pr_err("Failure creating FILE stream for %s\n", command);
/*
* If we were using debug info should retry with
* original binary.
if (dso__is_kcore(dso))
delete_last_nop(sym);
- pclose(file);
-
+ fclose(file);
+ err = 0;
out_remove_tmp:
+ close(stdout_fd[0]);
+
if (dso__needs_decompress(dso))
unlink(symfs_filename);
out_free_filename:
if (free_filename)
free(filename);
return err;
+
+out_close_stdout:
+ close(stdout_fd[1]);
+ goto out_remove_tmp;
}
static void insert_source_line(struct rb_root *root, struct source_line *src_line)
struct rb_root source_line = RB_ROOT;
u64 len;
- if (symbol__annotate(sym, map, 0) < 0)
+ if (symbol__disassemble(sym, map, 0) < 0)
return -1;
len = symbol__size(sym);
int symbol__alloc_hist(struct symbol *sym);
void symbol__annotate_zero_histograms(struct symbol *sym);
-int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize);
+int symbol__disassemble(struct symbol *sym, struct map *map, size_t privsize);
+
+enum symbol_disassemble_errno {
+ SYMBOL_ANNOTATE_ERRNO__SUCCESS = 0,
+
+ /*
+ * Choose an arbitrary negative big number not to clash with standard
+ * errno since SUS requires the errno has distinct positive values.
+ * See 'Issue 6' in the link below.
+ *
+ * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
+ */
+ __SYMBOL_ANNOTATE_ERRNO__START = -10000,
+
+ SYMBOL_ANNOTATE_ERRNO__NO_VMLINUX = __SYMBOL_ANNOTATE_ERRNO__START,
+
+ __SYMBOL_ANNOTATE_ERRNO__END,
+};
+
+int symbol__strerror_disassemble(struct symbol *sym, struct map *map,
+ int errnum, char *buf, size_t buflen);
int symbol__annotate_init(struct map *map, struct symbol *sym);
int symbol__annotate_printf(struct symbol *sym, struct map *map,
int perf_evlist__add_default(struct perf_evlist *evlist)
{
- struct perf_event_attr attr = {
- .type = PERF_TYPE_HARDWARE,
- .config = PERF_COUNT_HW_CPU_CYCLES,
- };
- struct perf_evsel *evsel;
-
- event_attr_init(&attr);
+ struct perf_evsel *evsel = perf_evsel__new_cycles();
- perf_event_attr__set_max_precise_ip(&attr);
-
- evsel = perf_evsel__new(&attr);
if (evsel == NULL)
- goto error;
-
- /* use asprintf() because free(evsel) assumes name is allocated */
- if (asprintf(&evsel->name, "cycles%.*s",
- attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
- goto error_free;
+ return -ENOMEM;
perf_evlist__add(evlist, evsel);
return 0;
-error_free:
- perf_evsel__delete(evsel);
-error:
- return -ENOMEM;
}
int perf_evlist__add_dummy(struct perf_evlist *evlist)
return evsel;
}
+struct perf_evsel *perf_evsel__new_cycles(void)
+{
+ struct perf_event_attr attr = {
+ .type = PERF_TYPE_HARDWARE,
+ .config = PERF_COUNT_HW_CPU_CYCLES,
+ };
+ struct perf_evsel *evsel;
+
+ event_attr_init(&attr);
+
+ perf_event_attr__set_max_precise_ip(&attr);
+
+ evsel = perf_evsel__new(&attr);
+ if (evsel == NULL)
+ goto out;
+
+ /* use asprintf() because free(evsel) assumes name is allocated */
+ if (asprintf(&evsel->name, "cycles%.*s",
+ attr.precise_ip ? attr.precise_ip + 1 : 0, ":ppp") < 0)
+ goto error_free;
+out:
+ return evsel;
+error_free:
+ perf_evsel__delete(evsel);
+ evsel = NULL;
+ goto out;
+}
+
/*
* Returns pointer with encoded error via <linux/err.h> interface.
*/
perf_evsel__set_sample_bit(evsel, REGS_INTR);
}
- if (target__has_cpu(&opts->target))
+ if (target__has_cpu(&opts->target) || opts->sample_cpu)
perf_evsel__set_sample_bit(evsel, CPU);
if (opts->period)
return perf_evsel__newtp_idx(sys, name, 0);
}
+struct perf_evsel *perf_evsel__new_cycles(void);
+
struct event_format *event_format__new(const char *sys, const char *name);
void perf_evsel__init(struct perf_evsel *evsel,
}
static void output_resort(struct hists *hists, struct ui_progress *prog,
- bool use_callchain)
+ bool use_callchain, hists__resort_cb_t cb)
{
struct rb_root *root;
struct rb_node *next;
n = rb_entry(next, struct hist_entry, rb_node_in);
next = rb_next(&n->rb_node_in);
+ if (cb && cb(n))
+ continue;
+
__hists__insert_output_entry(&hists->entries, n, min_callchain_hits, use_callchain);
hists__inc_stats(hists, n);
else
use_callchain = symbol_conf.use_callchain;
- output_resort(evsel__hists(evsel), prog, use_callchain);
+ output_resort(evsel__hists(evsel), prog, use_callchain, NULL);
}
void hists__output_resort(struct hists *hists, struct ui_progress *prog)
{
- output_resort(hists, prog, symbol_conf.use_callchain);
+ output_resort(hists, prog, symbol_conf.use_callchain, NULL);
+}
+
+void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
+ hists__resort_cb_t cb)
+{
+ output_resort(hists, prog, symbol_conf.use_callchain, cb);
}
static bool can_goto_child(struct hist_entry *he, enum hierarchy_move_dir hmd)
struct perf_hpp_fmt *fmt, int printed);
void hist_entry__delete(struct hist_entry *he);
+typedef int (*hists__resort_cb_t)(struct hist_entry *he);
+
void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
void hists__output_resort(struct hists *hists, struct ui_progress *prog);
+void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
+ hists__resort_cb_t cb);
int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
BUG_ON(buflen == 0);
if (errnum >= 0) {
- const char *err = str_error_r(errnum, buf, buflen);
-
- if (err != buf)
- scnprintf(buf, buflen, "%s", err);
-
+ str_error_r(errnum, buf, buflen);
return 0;
}
projects / cascardo / linux.git / commitdiff