From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S966471AbbLRJGp (ORCPT ); Fri, 18 Dec 2015 04:06:45 -0500 Received: from terminus.zytor.com ([198.137.202.10]:52330 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966081AbbLRJGl (ORCPT ); Fri, 18 Dec 2015 04:06:41 -0500 Date: Fri, 18 Dec 2015 01:06:20 -0800 From: tip-bot for Jiri Olsa Message-ID: Cc: linux-kernel@vger.kernel.org, dsahern@gmail.com, a.p.zijlstra@chello.nl, namhyung@kernel.org, kan.liang@intel.com, acme@redhat.com, jolsa@kernel.org, mingo@kernel.org, hpa@zytor.com, tglx@linutronix.de Reply-To: tglx@linutronix.de, hpa@zytor.com, mingo@kernel.org, jolsa@kernel.org, acme@redhat.com, a.p.zijlstra@chello.nl, dsahern@gmail.com, kan.liang@intel.com, namhyung@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <1445784728-21732-22-git-send-email-jolsa@kernel.org> References: <1445784728-21732-22-git-send-email-jolsa@kernel.org> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf tools: Add event_update event unit type Git-Commit-ID: a6e5281780d1da65c15ce529707f43eb4a6df856 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a6e5281780d1da65c15ce529707f43eb4a6df856 Gitweb: http://git.kernel.org/tip/a6e5281780d1da65c15ce529707f43eb4a6df856 Author: Jiri Olsa AuthorDate: Sun, 25 Oct 2015 15:51:37 +0100 Committer: Arnaldo Carvalho de Melo CommitDate: Thu, 17 Dec 2015 15:11:10 -0300 perf tools: Add event_update event unit type Adding unit type 'event update' event, that stores/transfer events unit name. The unit name is part of the perf stat output data. Signed-off-by: Jiri Olsa Tested-by: Kan Liang Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1445784728-21732-22-git-send-email-jolsa@kernel.org [ Rename __alloc() to __new() for consistency ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/tests/Build | 1 + tools/perf/tests/builtin-test.c | 4 ++++ tools/perf/tests/event_update.c | 42 +++++++++++++++++++++++++++++++++++++++ tools/perf/tests/tests.h | 1 + tools/perf/util/event.h | 4 ++++ tools/perf/util/header.c | 44 +++++++++++++++++++++++++++++++++++++++++ tools/perf/util/header.h | 3 +++ 7 files changed, 99 insertions(+) diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index fc02931..614899b 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -36,6 +36,7 @@ perf-y += bpf.o perf-y += topology.o perf-y += cpumap.o perf-y += stat.o +perf-y += event_update.o $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build $(call rule_mkdir) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 6a35198..f2b1dca 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -200,6 +200,10 @@ static struct test generic_tests[] = { .func = test__synthesize_stat_round, }, { + .desc = "Test attr update synthesize", + .func = test__event_update, + }, + { .func = NULL, }, }; diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c new file mode 100644 index 0000000..9cdf4c9 --- /dev/null +++ b/tools/perf/tests/event_update.c @@ -0,0 +1,42 @@ +#include +#include "evlist.h" +#include "evsel.h" +#include "machine.h" +#include "tests.h" +#include "debug.h" + +static int process_event_unit(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct event_update_event *ev = (struct event_update_event *) event; + + TEST_ASSERT_VAL("wrong id", ev->id == 123); + TEST_ASSERT_VAL("wrong id", ev->type == PERF_EVENT_UPDATE__UNIT); + TEST_ASSERT_VAL("wrong unit", !strcmp(ev->data, "KRAVA")); + return 0; +} + +int test__event_update(int subtest __maybe_unused) +{ + struct perf_evlist *evlist; + struct perf_evsel *evsel; + + evlist = perf_evlist__new_default(); + TEST_ASSERT_VAL("failed to get evlist", evlist); + + evsel = perf_evlist__first(evlist); + + TEST_ASSERT_VAL("failed to allos ids", + !perf_evsel__alloc_id(evsel, 1, 1)); + + perf_evlist__id_add(evlist, evsel, 0, 0, 123); + + evsel->unit = strdup("KRAVA"); + + TEST_ASSERT_VAL("failed to synthesize attr update unit", + !perf_event__synthesize_event_update_unit(NULL, evsel, process_event_unit)); + + return 0; +} diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index a82ab9c..82b2b5e 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -84,6 +84,7 @@ int test__cpu_map_synthesize(int subtest); int test__synthesize_stat_config(int subtest); int test__synthesize_stat(int subtest); int test__synthesize_stat_round(int subtest); +int test__event_update(int subtest); #if defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 6966a4b..64c4cdf 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -308,6 +308,10 @@ struct attr_event { u64 id[]; }; +enum { + PERF_EVENT_UPDATE__UNIT = 0, +}; + struct event_update_event { struct perf_event_header header; u64 type; diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 6b4e002..5759ebf 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2686,6 +2686,43 @@ int perf_event__synthesize_attr(struct perf_tool *tool, return err; } +static struct event_update_event * +event_update_event__new(size_t size, u64 type, u64 id) +{ + struct event_update_event *ev; + + size += sizeof(*ev); + size = PERF_ALIGN(size, sizeof(u64)); + + ev = zalloc(size); + if (ev) { + ev->header.type = PERF_RECORD_EVENT_UPDATE; + ev->header.size = (u16)size; + ev->type = type; + ev->id = id; + } + return ev; +} + +int +perf_event__synthesize_event_update_unit(struct perf_tool *tool, + struct perf_evsel *evsel, + perf_event__handler_t process) +{ + struct event_update_event *ev; + size_t size = strlen(evsel->unit); + int err; + + ev = event_update_event__new(size + 1, PERF_EVENT_UPDATE__UNIT, evsel->id[0]); + if (ev == NULL) + return -ENOMEM; + + strncpy(ev->data, evsel->unit, size); + err = process(tool, (union perf_event *)ev, NULL, NULL); + free(ev); + return err; +} + int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_session *session, perf_event__handler_t process) @@ -2762,6 +2799,13 @@ int perf_event__process_event_update(struct perf_tool *tool __maybe_unused, if (evsel == NULL) return -EINVAL; + switch (ev->type) { + case PERF_EVENT_UPDATE__UNIT: + evsel->unit = strdup(ev->data); + default: + break; + } + return 0; } diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 1e843c6..6aa2b92 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -105,6 +105,9 @@ int perf_event__synthesize_attr(struct perf_tool *tool, int perf_event__synthesize_attrs(struct perf_tool *tool, struct perf_session *session, perf_event__handler_t process); +int perf_event__synthesize_event_update_unit(struct perf_tool *tool, + struct perf_evsel *evsel, + perf_event__handler_t process); int perf_event__process_attr(struct perf_tool *tool, union perf_event *event, struct perf_evlist **pevlist); int perf_event__process_event_update(struct perf_tool *tool __maybe_unused,