Adding a stat event to store a 'struct perf_counter_values' for a given
event/cpu/thread.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-15-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
[PERF_RECORD_THREAD_MAP] = "THREAD_MAP",
[PERF_RECORD_CPU_MAP] = "CPU_MAP",
[PERF_RECORD_STAT_CONFIG] = "STAT_CONFIG",
[PERF_RECORD_THREAD_MAP] = "THREAD_MAP",
[PERF_RECORD_CPU_MAP] = "CPU_MAP",
[PERF_RECORD_STAT_CONFIG] = "STAT_CONFIG",
+ [PERF_RECORD_STAT] = "STAT",
};
const char *perf_event__name(unsigned int id)
};
const char *perf_event__name(unsigned int id)
PERF_RECORD_THREAD_MAP = 73,
PERF_RECORD_CPU_MAP = 74,
PERF_RECORD_STAT_CONFIG = 75,
PERF_RECORD_THREAD_MAP = 73,
PERF_RECORD_CPU_MAP = 74,
PERF_RECORD_STAT_CONFIG = 75,
PERF_RECORD_HEADER_MAX
};
PERF_RECORD_HEADER_MAX
};
struct stat_config_event_entry data[];
};
struct stat_config_event_entry data[];
};
+struct stat_event {
+ struct perf_event_header header;
+
+ u64 id;
+ u32 cpu;
+ u32 thread;
+
+ union {
+ struct {
+ u64 val;
+ u64 ena;
+ u64 run;
+ };
+ u64 values[3];
+ };
+};
+
union perf_event {
struct perf_event_header header;
struct mmap_event mmap;
union perf_event {
struct perf_event_header header;
struct mmap_event mmap;
struct thread_map_event thread_map;
struct cpu_map_event cpu_map;
struct stat_config_event stat_config;
struct thread_map_event thread_map;
struct cpu_map_event cpu_map;
struct stat_config_event stat_config;
+ struct stat_event stat;
};
void perf_event__print_totals(void);
};
void perf_event__print_totals(void);
+static int process_stat_stub(struct perf_tool *tool __maybe_unused,
+ union perf_event *event __maybe_unused,
+ struct perf_session *perf_session
+ __maybe_unused)
+{
+ dump_printf(": unhandled!\n");
+ return 0;
+}
+
void perf_tool__fill_defaults(struct perf_tool *tool)
{
if (tool->sample == NULL)
void perf_tool__fill_defaults(struct perf_tool *tool)
{
if (tool->sample == NULL)
tool->cpu_map = process_event_cpu_map_stub;
if (tool->stat_config == NULL)
tool->stat_config = process_event_stat_config_stub;
tool->cpu_map = process_event_cpu_map_stub;
if (tool->stat_config == NULL)
tool->stat_config = process_event_stat_config_stub;
+ if (tool->stat == NULL)
+ tool->stat = process_stat_stub;
}
static void swap_sample_id_all(union perf_event *event, void *data)
}
static void swap_sample_id_all(union perf_event *event, void *data)
mem_bswap_64(&event->stat_config.nr, size);
}
mem_bswap_64(&event->stat_config.nr, size);
}
+static void perf_event__stat_swap(union perf_event *event,
+ bool sample_id_all __maybe_unused)
+{
+ event->stat.id = bswap_64(event->stat.id);
+ event->stat.thread = bswap_32(event->stat.thread);
+ event->stat.cpu = bswap_32(event->stat.cpu);
+ event->stat.val = bswap_64(event->stat.val);
+ event->stat.ena = bswap_64(event->stat.ena);
+ event->stat.run = bswap_64(event->stat.run);
+}
+
typedef void (*perf_event__swap_op)(union perf_event *event,
bool sample_id_all);
typedef void (*perf_event__swap_op)(union perf_event *event,
bool sample_id_all);
[PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap,
[PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap,
[PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap,
[PERF_RECORD_THREAD_MAP] = perf_event__thread_map_swap,
[PERF_RECORD_CPU_MAP] = perf_event__cpu_map_swap,
[PERF_RECORD_STAT_CONFIG] = perf_event__stat_config_swap,
+ [PERF_RECORD_STAT] = perf_event__stat_swap,
[PERF_RECORD_HEADER_MAX] = NULL,
};
[PERF_RECORD_HEADER_MAX] = NULL,
};
return tool->cpu_map(tool, event, session);
case PERF_RECORD_STAT_CONFIG:
return tool->stat_config(tool, event, session);
return tool->cpu_map(tool, event, session);
case PERF_RECORD_STAT_CONFIG:
return tool->stat_config(tool, event, session);
+ case PERF_RECORD_STAT:
+ return tool->stat(tool, event, session);
default:
return -EINVAL;
}
default:
return -EINVAL;
}
auxtrace_error,
thread_map,
cpu_map,
auxtrace_error,
thread_map,
cpu_map,
event_op3 auxtrace;
bool ordered_events;
bool ordering_requires_timestamps;
event_op3 auxtrace;
bool ordered_events;
bool ordering_requires_timestamps;