Messages in this thread Patch in this message | | | From | Jiri Olsa <> | Subject | [PATCH 13/45] perf tools: Add stat round event | Date | Wed, 30 Sep 2015 16:10:26 +0200 |
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Adding stat round event to be stored afer each stat interval round, so report tools (report/script) get notified and process interval data.
Link: http://lkml.kernel.org/n/tip-nqhzuxrv12ulccx11k7x86mr@git.kernel.org Signed-off-by: Jiri Olsa <jolsa@kernel.org> --- tools/perf/util/event.c | 1 + tools/perf/util/event.h | 13 +++++++++++++ tools/perf/util/session.c | 21 +++++++++++++++++++++ tools/perf/util/tool.h | 3 ++- 4 files changed, 37 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 46f5518c04e8..39aeffd305b3 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -43,6 +43,7 @@ static const char *perf_event__names[] = { [PERF_RECORD_CPU_MAP] = "CPU_MAP", [PERF_RECORD_STAT_CONFIG] = "STAT_CONFIG", [PERF_RECORD_STAT] = "STAT", + [PERF_RECORD_STAT_ROUND] = "STAT_ROUND", }; const char *perf_event__name(unsigned int id) diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 2fa72b88e5e1..9aeac2ab62e8 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -230,6 +230,7 @@ enum perf_user_event_type { /* above any possible kernel type */ PERF_RECORD_CPU_MAP = 74, PERF_RECORD_STAT_CONFIG = 75, PERF_RECORD_STAT = 76, + PERF_RECORD_STAT_ROUND = 77, PERF_RECORD_HEADER_MAX }; @@ -412,6 +413,17 @@ struct stat_event { }; }; +enum { + PERF_STAT_ROUND_TYPE__INTERVAL = 0, + PERF_STAT_ROUND_TYPE__FINAL = 1, +}; + +struct stat_round_event { + struct perf_event_header header; + u64 type; + u64 time; +}; + union perf_event { struct perf_event_header header; struct mmap_event mmap; @@ -438,6 +450,7 @@ union perf_event { struct cpu_map_event cpu_map; struct stat_config_event stat_config; struct stat_event stat; + struct stat_round_event stat_round; }; void perf_event__print_totals(void); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index b4e81712854f..5fc1631c676e 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -332,6 +332,15 @@ static int process_stat_stub(struct perf_tool *tool __maybe_unused, return 0; } +static int process_stat_round_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) @@ -390,6 +399,8 @@ void perf_tool__fill_defaults(struct perf_tool *tool) tool->stat_config = process_event_stat_config_stub; if (tool->stat == NULL) tool->stat = process_stat_stub; + if (tool->stat_round == NULL) + tool->stat_round = process_stat_round_stub; } static void swap_sample_id_all(union perf_event *event, void *data) @@ -703,6 +714,13 @@ static void perf_event__stat_swap(union perf_event *event, event->stat.run = bswap_64(event->stat.run); } +static void perf_event__stat_round_swap(union perf_event *event, + bool sample_id_all __maybe_unused) +{ + event->stat_round.type = bswap_64(event->stat_round.type); + event->stat_round.time = bswap_64(event->stat_round.time); +} + typedef void (*perf_event__swap_op)(union perf_event *event, bool sample_id_all); @@ -734,6 +752,7 @@ static perf_event__swap_op perf_event__swap_ops[] = { [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_STAT_ROUND] = perf_event__stat_round_swap, [PERF_RECORD_HEADER_MAX] = NULL, }; @@ -1278,6 +1297,8 @@ static s64 perf_session__process_user_event(struct perf_session *session, return tool->stat_config(tool, event, session); case PERF_RECORD_STAT: return tool->stat(tool, event, session); + case PERF_RECORD_STAT_ROUND: + return tool->stat_round(tool, event, session); default: return -EINVAL; } diff --git a/tools/perf/util/tool.h b/tools/perf/util/tool.h index f0b9da0c166a..d04d9e5f444a 100644 --- a/tools/perf/util/tool.h +++ b/tools/perf/util/tool.h @@ -59,7 +59,8 @@ struct perf_tool { thread_map, cpu_map, stat_config, - stat; + stat, + stat_round; event_op3 auxtrace; bool ordered_events; bool ordering_requires_timestamps; -- 2.4.3
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