perf callchain: Switch default to 'graph,0.5,caller'

Which is the most common default found in other similar tools.

Requested-by: Ingo Molnar <mingo@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Chandler Carruth <chandlerc@gmail.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://www.youtube.com/watch?v=nXaxk27zwlk
Link: http://lkml.kernel.org/n/tip-v8lq36aispvdwgxdmt9p9jd9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index ce49903..e4fdeeb 100644 (file)
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -192,7 +192,7 @@ OPTIONS
        when available. Usually more convenient to use --branch-history
        for this.
 
-       Default: fractal,0.5,callee,function.
+       Default: graph,0.5,caller
 
 --children::
        Accumulate callchain of children to parent entry so that then can

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index b562363..3b23b25 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -633,7 +633,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
        bool has_br_stack = false;
        int branch_mode = -1;
        bool branch_call_mode = false;
-       char callchain_default_opt[] = "fractal,0.5,callee";
+       char callchain_default_opt[] = "graph,0.5,caller";
        const char * const report_usage[] = {
                "perf report [<options>]",
                NULL
@@ -701,7 +701,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused)
                    "Only display entries with parent-match"),
        OPT_CALLBACK_DEFAULT('g', "call-graph", &report, "output_type,min_percent[,print_limit],call_order[,branch]",
                     "Display callchains using output_type (graph, flat, fractal, or none) , min percent threshold, optional print limit, callchain order, key (function or address), add branches. "
-                    "Default: fractal,0.5,callee,function", &report_parse_callchain_opt, callchain_default_opt),
+                    "Default: graph,0.5,caller", &report_parse_callchain_opt, callchain_default_opt),
        OPT_BOOLEAN(0, "children", &symbol_conf.cumulate_callchain,
                    "Accumulate callchains of children and show total overhead as well"),
        OPT_INTEGER(0, "max-stack", &report.max_stack,

diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index ce465b2..c1bf9ff 100644 (file)
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -17,9 +17,9 @@
 #include "callchain.h"
 
 struct callchain_param callchain_param = {
-       .mode   = CHAIN_GRAPH_REL,
+       .mode   = CHAIN_GRAPH_ABS,
        .min_percent = 0.5,
-       .order  = ORDER_CALLEE,
+       .order  = ORDER_CALLER,
        .key    = CCKEY_FUNCTION
 };