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perf script: Process cpu/threads maps

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Adding processing of cpu/threads maps. Configuring session's evlist with
these maps.

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/1452028152-26762-3-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2016-01-05 22:09:06 +01:00 committed by Arnaldo Carvalho de Melo
parent 6db1a5c190
commit cfc8874a48
1 changed files with 67 additions and 0 deletions
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67
tools/perf/builtin-script.c
View file

@ -18,7 +18,11 @@
#include "util/sort.h"
#include "util/data.h"
#include "util/auxtrace.h"
#include "util/cpumap.h"
#include "util/thread_map.h"
#include "util/stat.h"
#include <linux/bitmap.h>
#include "asm/bug.h"
static char const *script_name;
static char const *generate_script_lang;
@ -606,6 +610,9 @@ struct perf_script {
bool show_task_events;
bool show_mmap_events;
bool show_switch_events;
bool allocated;
struct cpu_map *cpus;
struct thread_map *threads;
};
static void process_event(struct perf_script *script __maybe_unused, union perf_event *event,
@ -1682,6 +1689,63 @@ static void script__setup_sample_type(struct perf_script *script)
}
}
static int set_maps(struct perf_script *script)
{
struct perf_evlist *evlist = script->session->evlist;
if (!script->cpus || !script->threads)
return 0;
if (WARN_ONCE(script->allocated, "stats double allocation\n"))
return -EINVAL;
perf_evlist__set_maps(evlist, script->cpus, script->threads);
if (perf_evlist__alloc_stats(evlist, true))
return -ENOMEM;
script->allocated = true;
return 0;
}
static
int process_thread_map_event(struct perf_tool *tool,
union perf_event *event,
struct perf_session *session __maybe_unused)
{
struct perf_script *script = container_of(tool, struct perf_script, tool);
if (script->threads) {
pr_warning("Extra thread map event, ignoring.\n");
return 0;
}
script->threads = thread_map__new_event(&event->thread_map);
if (!script->threads)
return -ENOMEM;
return set_maps(script);
}
static
int process_cpu_map_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_session *session __maybe_unused)
{
struct perf_script *script = container_of(tool, struct perf_script, tool);
if (script->cpus) {
pr_warning("Extra cpu map event, ignoring.\n");
return 0;
}
script->cpus = cpu_map__new_data(&event->cpu_map.data);
if (!script->cpus)
return -ENOMEM;
return set_maps(script);
}
int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
{
bool show_full_info = false;
@ -1710,6 +1774,8 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
.auxtrace_info = perf_event__process_auxtrace_info,
.auxtrace = perf_event__process_auxtrace,
.auxtrace_error = perf_event__process_auxtrace_error,
.thread_map = process_thread_map_event,
.cpu_map = process_cpu_map_event,
.ordered_events = true,
.ordering_requires_timestamps = true,
},
@ -2063,6 +2129,7 @@ int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused)
flush_scripting();
out_delete:
perf_evlist__free_stats(session->evlist);
perf_session__delete(session);
if (script_started)