Adding stat event to store 'struct perf_counter_values' for given event/cpu/thread.
Link: http://lkml.kernel.org/n/tip-56xpt7m6au4d8u39nffoq...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/event.c | 1 + tools/perf/util/event.h | 19 +++++++++++++++++++ tools/perf/util/session.c | 25 +++++++++++++++++++++++++ tools/perf/util/tool.h | 3 ++- 4 files changed, 47 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 381e0b0bcc8d..dfff3db6077f 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -42,6 +42,7 @@ static const char *perf_event__names[] = { [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) diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index a9debe60c42b..91a05c8328d7 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -229,6 +229,7 @@ enum perf_user_event_type { /* above any possible kernel type */ PERF_RECORD_THREAD_MAP = 73, PERF_RECORD_CPU_MAP = 74, PERF_RECORD_STAT_CONFIG = 75, + PERF_RECORD_STAT = 76, PERF_RECORD_HEADER_MAX }; @@ -414,6 +415,23 @@ struct stat_config_event { struct stat_config_term_event 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; @@ -439,6 +457,7 @@ union perf_event { 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); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index a550464925ea..d165674500e2 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -324,6 +324,15 @@ int process_event_stat_config_stub(struct perf_tool *tool __maybe_unused, return 0; } +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) @@ -380,6 +389,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) 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) @@ -707,6 +718,17 @@ static void perf_event__stat_config_swap(union perf_event *event, 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); @@ -737,6 +759,7 @@ static perf_event__swap_op perf_event__swap_ops[] = { [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, }; @@ -1279,6 +1302,8 @@ static s64 perf_session__process_user_event(struct perf_session *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; } diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h index aa7ae73d76b4..f0b9da0c166a 100644 --- a/tools/perf/util/tool.h +++ b/tools/perf/util/tool.h @@ -58,7 +58,8 @@ struct perf_tool { auxtrace_error, thread_map, cpu_map, - stat_config; + stat_config, + stat; event_op3 auxtrace; bool ordered_events; bool ordering_requires_timestamps; -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
