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AJvYcCWgNQ9XPOnPcql1B2g6+w4IZQ/lVlbzsdwQ570V9TOY/FZXANgmUIV9c9hfSEOvPUJlp9p4oRm83w0VHJbnhis+JfW0W/OXGpFB9OlD X-Gm-Message-State: AOJu0Yz8EwbO4Z1SdF9KcswIH9TDxcBLkGaW+IqB488oaESHpkUsi+CN VY3qK17DEsgZ2ljY5OoGtbUUXFXgRAxC77ni5g3x3CQj/aL34hVpJlwM0RoUARS3+kKWOZcNBqP wxT0l/Q== X-Google-Smtp-Source: AGHT+IGOU/jkyqa8KF9IeY0lS+BXQshpKVVzBAK7j+pR5Ms6PbYBjWcy+MJQoCU8MzleeGZ+ePXJBV2b9ql1 X-Received: from irogers.svl.corp.google.com ([2620:15c:2a3:200:bd08:a1e0:c497:32db]) (user=irogers job=sendgmr) by 2002:a05:6902:1106:b0:e03:3c8c:e82c with SMTP id 3f1490d57ef6-e041b17e019mr569632276.9.1720720815591; Thu, 11 Jul 2024 11:00:15 -0700 (PDT) Date: Thu, 11 Jul 2024 10:59:41 -0700 In-Reply-To: <20240711180008.188906-1-irogers@google.com> Message-Id: <20240711180008.188906-2-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240711180008.188906-1-irogers@google.com> X-Mailer: git-send-email 2.45.2.993.g49e7a77208-goog Subject: [PATCH v4 01/28] perf auxtrace: Remove dummy tools From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , Kan Liang , John Garry , Will Deacon , James Clark , Mike Leach , Leo Yan , Suzuki K Poulose , Yicong Yang , Jonathan Cameron , Nick Terrell , Nick Desaulniers , Oliver Upton , Anshuman Khandual , Song Liu , Ilkka Koskinen , Athira Rajeev , Huacai Chen , Yanteng Si , Sun Haiyong , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add perf_session__deliver_synth_attr_event that synthesizes a perf_record_header_attr event with one id. Remove use of perf_event__synthesize_attr that necessitates the use of the dummy tool in order to pass the session. Signed-off-by: Ian Rogers --- tools/perf/util/arm-spe.c | 49 ++++++++----------------------------- tools/perf/util/cs-etm.c | 33 ++----------------------- tools/perf/util/intel-bts.c | 31 +---------------------- tools/perf/util/intel-pt.c | 24 +----------------- tools/perf/util/session.c | 24 ++++++++++++++++++ tools/perf/util/session.h | 3 +++ 6 files changed, 41 insertions(+), 123 deletions(-) diff --git a/tools/perf/util/arm-spe.c b/tools/perf/util/arm-spe.c index afbd5869f6bf..fa40f3cb6266 100644 --- a/tools/perf/util/arm-spe.c +++ b/tools/perf/util/arm-spe.c @@ -1073,35 +1073,6 @@ static void arm_spe_print_info(__u64 *arr) fprintf(stdout, arm_spe_info_fmts[ARM_SPE_PMU_TYPE], arr[ARM_SPE_PMU_TYPE= ]); } =20 -struct arm_spe_synth { - struct perf_tool dummy_tool; - struct perf_session *session; -}; - -static int arm_spe_event_synth(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - struct arm_spe_synth *arm_spe_synth =3D - container_of(tool, struct arm_spe_synth, dummy_tool); - - return perf_session__deliver_synth_event(arm_spe_synth->session, - event, NULL); -} - -static int arm_spe_synth_event(struct perf_session *session, - struct perf_event_attr *attr, u64 id) -{ - struct arm_spe_synth arm_spe_synth; - - memset(&arm_spe_synth, 0, sizeof(struct arm_spe_synth)); - arm_spe_synth.session =3D session; - - return perf_event__synthesize_attr(&arm_spe_synth.dummy_tool, attr, 1, - &id, arm_spe_event_synth); -} - static void arm_spe_set_event_name(struct evlist *evlist, u64 id, const char *name) { @@ -1172,7 +1143,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) spe->sample_flc =3D true; =20 /* Level 1 data cache miss */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->l1d_miss_id =3D id; @@ -1180,7 +1151,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) id +=3D 1; =20 /* Level 1 data cache access */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->l1d_access_id =3D id; @@ -1192,7 +1163,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) spe->sample_llc =3D true; =20 /* Last level cache miss */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->llc_miss_id =3D id; @@ -1200,7 +1171,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) id +=3D 1; =20 /* Last level cache access */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->llc_access_id =3D id; @@ -1212,7 +1183,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) spe->sample_tlb =3D true; =20 /* TLB miss */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->tlb_miss_id =3D id; @@ -1220,7 +1191,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) id +=3D 1; =20 /* TLB access */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->tlb_access_id =3D id; @@ -1232,7 +1203,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) spe->sample_branch =3D true; =20 /* Branch miss */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->branch_miss_id =3D id; @@ -1244,7 +1215,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) spe->sample_remote_access =3D true; =20 /* Remote access */ - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->remote_access_id =3D id; @@ -1255,7 +1226,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) if (spe->synth_opts.mem) { spe->sample_memory =3D true; =20 - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->memory_id =3D id; @@ -1276,7 +1247,7 @@ arm_spe_synth_events(struct arm_spe *spe, struct perf= _session *session) attr.config =3D PERF_COUNT_HW_INSTRUCTIONS; attr.sample_period =3D spe->synth_opts.period; spe->instructions_sample_period =3D attr.sample_period; - err =3D arm_spe_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; spe->instructions_id =3D id; diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c index 32818bd7cd17..c53812f343e9 100644 --- a/tools/perf/util/cs-etm.c +++ b/tools/perf/util/cs-etm.c @@ -1595,35 +1595,6 @@ static int cs_etm__synth_branch_sample(struct cs_etm= _queue *etmq, return ret; } =20 -struct cs_etm_synth { - struct perf_tool dummy_tool; - struct perf_session *session; -}; - -static int cs_etm__event_synth(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - struct cs_etm_synth *cs_etm_synth =3D - container_of(tool, struct cs_etm_synth, dummy_tool); - - return perf_session__deliver_synth_event(cs_etm_synth->session, - event, NULL); -} - -static int cs_etm__synth_event(struct perf_session *session, - struct perf_event_attr *attr, u64 id) -{ - struct cs_etm_synth cs_etm_synth; - - memset(&cs_etm_synth, 0, sizeof(struct cs_etm_synth)); - cs_etm_synth.session =3D session; - - return perf_event__synthesize_attr(&cs_etm_synth.dummy_tool, attr, 1, - &id, cs_etm__event_synth); -} - static int cs_etm__synth_events(struct cs_etm_auxtrace *etm, struct perf_session *session) { @@ -1675,7 +1646,7 @@ static int cs_etm__synth_events(struct cs_etm_auxtrac= e *etm, attr.config =3D PERF_COUNT_HW_BRANCH_INSTRUCTIONS; attr.sample_period =3D 1; attr.sample_type |=3D PERF_SAMPLE_ADDR; - err =3D cs_etm__synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; etm->branches_sample_type =3D attr.sample_type; @@ -1698,7 +1669,7 @@ static int cs_etm__synth_events(struct cs_etm_auxtrac= e *etm, attr.config =3D PERF_COUNT_HW_INSTRUCTIONS; attr.sample_period =3D etm->synth_opts.period; etm->instructions_sample_period =3D attr.sample_period; - err =3D cs_etm__synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) return err; etm->instructions_sample_type =3D attr.sample_type; diff --git a/tools/perf/util/intel-bts.c b/tools/perf/util/intel-bts.c index ec1b3bd9f530..160d346cb450 100644 --- a/tools/perf/util/intel-bts.c +++ b/tools/perf/util/intel-bts.c @@ -737,35 +737,6 @@ static bool intel_bts_evsel_is_auxtrace(struct perf_se= ssion *session, return evsel->core.attr.type =3D=3D bts->pmu_type; } =20 -struct intel_bts_synth { - struct perf_tool dummy_tool; - struct perf_session *session; -}; - -static int intel_bts_event_synth(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - struct intel_bts_synth *intel_bts_synth =3D - container_of(tool, struct intel_bts_synth, dummy_tool); - - return perf_session__deliver_synth_event(intel_bts_synth->session, - event, NULL); -} - -static int intel_bts_synth_event(struct perf_session *session, - struct perf_event_attr *attr, u64 id) -{ - struct intel_bts_synth intel_bts_synth; - - memset(&intel_bts_synth, 0, sizeof(struct intel_bts_synth)); - intel_bts_synth.session =3D session; - - return perf_event__synthesize_attr(&intel_bts_synth.dummy_tool, attr, 1, - &id, intel_bts_event_synth); -} - static int intel_bts_synth_events(struct intel_bts *bts, struct perf_session *session) { @@ -814,7 +785,7 @@ static int intel_bts_synth_events(struct intel_bts *bts, attr.sample_type |=3D PERF_SAMPLE_ADDR; pr_debug("Synthesizing 'branches' event with id %" PRIu64 " sample type = %#" PRIx64 "\n", id, (u64)attr.sample_type); - err =3D intel_bts_synth_event(session, &attr, id); + err =3D perf_session__deliver_synth_attr_event(session, &attr, id); if (err) { pr_err("%s: failed to synthesize 'branches' event type\n", __func__); diff --git a/tools/perf/util/intel-pt.c b/tools/perf/util/intel-pt.c index d6d7b7512505..1fc03bfd14c3 100644 --- a/tools/perf/util/intel-pt.c +++ b/tools/perf/util/intel-pt.c @@ -3659,37 +3659,15 @@ static int intel_pt_queue_data(struct perf_session = *session, data_offset, timestamp); } =20 -struct intel_pt_synth { - struct perf_tool dummy_tool; - struct perf_session *session; -}; - -static int intel_pt_event_synth(struct perf_tool *tool, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) -{ - struct intel_pt_synth *intel_pt_synth =3D - container_of(tool, struct intel_pt_synth, dummy_tool); - - return perf_session__deliver_synth_event(intel_pt_synth->session, event, - NULL); -} - static int intel_pt_synth_event(struct perf_session *session, const char *= name, struct perf_event_attr *attr, u64 id) { - struct intel_pt_synth intel_pt_synth; int err; =20 pr_debug("Synthesizing '%s' event with id %" PRIu64 " sample type %#" PRI= x64 "\n", name, id, (u64)attr->sample_type); =20 - memset(&intel_pt_synth, 0, sizeof(struct intel_pt_synth)); - intel_pt_synth.session =3D session; - - err =3D perf_event__synthesize_attr(&intel_pt_synth.dummy_tool, attr, 1, - &id, intel_pt_event_synth); + err =3D perf_session__deliver_synth_attr_event(session, attr, id); if (err) pr_err("%s: failed to synthesize '%s' event type\n", __func__, name); diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 5596bed1b8c8..18a8f4a84045 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1764,6 +1764,30 @@ int perf_session__deliver_synth_event(struct perf_se= ssion *session, return machines__deliver_event(&session->machines, evlist, event, sample,= tool, 0, NULL); } =20 +int perf_session__deliver_synth_attr_event(struct perf_session *session, + const struct perf_event_attr *attr, + u64 id) +{ + union { + struct { + struct perf_record_header_attr attr; + u64 ids[1]; + } attr_id; + union perf_event ev; + } ev =3D { + .attr_id.attr.header.type =3D PERF_RECORD_HEADER_ATTR, + .attr_id.attr.header.size =3D sizeof(ev.attr_id), + .attr_id.ids[0] =3D id, + }; + + if (attr->size !=3D sizeof(ev.attr_id.attr.attr)) { + pr_debug("Unexpected perf_event_attr size\n"); + return -EINVAL; + } + ev.attr_id.attr.attr =3D *attr; + return perf_session__deliver_synth_event(session, &ev.ev, NULL); +} + static void event_swap(union perf_event *event, bool sample_id_all) { perf_event__swap_op swap; diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 4c29dc86956f..cc28976bb00e 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -154,6 +154,9 @@ extern volatile int session_done; int perf_session__deliver_synth_event(struct perf_session *session, union perf_event *event, struct perf_sample *sample); +int perf_session__deliver_synth_attr_event(struct perf_session *session, + const struct perf_event_attr *attr, + u64 id); =20 int perf_session__dsos_hit_all(struct perf_session *session); =20 --=20 2.45.2.993.g49e7a77208-goog