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AJvYcCUipUECUd4HMj+sDSpSIYkGEer4rswbDtKIrP0zQKvNTc6jOzJ1iEW50BwwFwFhUbonm3cL6jMKuQBvX2oyTHTh@vger.kernel.org X-Gm-Message-State: AOJu0YzsEqMAmYuXa3yJzaANQCGEH8Yj6eJnTa2n/MYyp0l621z1+ae7 5PH35pv5YHjroFjiy50N26jH60rcoY94ijAciX3/LlPFgGLXARKmq4ATKC27+EgRqVuPHNsj7UR BXbBrz9B+nw== X-Received: from dlae27.prod.google.com ([2002:a05:701b:231b:b0:128:d5fb:9499]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a05:7022:6ba0:b0:128:e693:b61c with SMTP id a92af1059eb24-12c34f06604mr3070033c88.27.1775890682271; Fri, 10 Apr 2026 23:58:02 -0700 (PDT) Date: Fri, 10 Apr 2026 23:57:06 -0700 In-Reply-To: <20260411065718.372240-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20260408072601.210837-1-irogers@google.com> <20260411065718.372240-1-irogers@google.com> X-Mailer: git-send-email 2.53.0.1213.gd9a14994de-goog Message-ID: <20260411065718.372240-18-irogers@google.com> Subject: [PATCH v8 17/29] perf sched: Don't pass evsel with sample From: Ian Rogers To: namhyung@kernel.org Cc: irogers@google.com, acme@kernel.org, adrian.hunter@intel.com, ajones@ventanamicro.com, ak@linux.intel.com, alex@ghiti.fr, alexander.shishkin@linux.intel.com, anup@brainfault.org, aou@eecs.berkeley.edu, atrajeev@linux.ibm.com, blakejones@google.com, ctshao@google.com, dapeng1.mi@linux.intel.com, derek.foreman@collabora.com, dvyukov@google.com, howardchu95@gmail.com, hrishikesh123s@gmail.com, james.clark@linaro.org, jolsa@kernel.org, krzysztof.m.lopatowski@gmail.com, leo.yan@arm.com, linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, linux@treblig.org, mingo@redhat.com, nichen@iscas.ac.cn, palmer@dabbelt.com, peterz@infradead.org, pjw@kernel.org, ravi.bangoria@amd.com, swapnil.sapkal@amd.com, tanze@kylinos.cn, thomas.falcon@intel.com, tianyou.li@intel.com, yujie.liu@intel.com, zhouquan@iscas.ac.cn Content-Type: text/plain; charset="UTF-8" The sample contains the evsel and so it is unnecessary to pass the evsel as well. Signed-off-by: Ian Rogers --- tools/perf/builtin-sched.c | 92 ++++++++++++++------------------------ 1 file changed, 34 insertions(+), 58 deletions(-) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index aea14bff7e61..45439e2af8ff 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -129,21 +129,20 @@ typedef int (*sort_fn_t)(struct work_atoms *, struct work_atoms *); struct perf_sched; struct trace_sched_handler { - int (*switch_event)(struct perf_sched *sched, struct evsel *evsel, - struct perf_sample *sample, struct machine *machine); + int (*switch_event)(struct perf_sched *sched, struct perf_sample *sample, + struct machine *machine); - int (*runtime_event)(struct perf_sched *sched, struct evsel *evsel, - struct perf_sample *sample, struct machine *machine); + int (*runtime_event)(struct perf_sched *sched, struct perf_sample *sample, + struct machine *machine); - int (*wakeup_event)(struct perf_sched *sched, struct evsel *evsel, - struct perf_sample *sample, struct machine *machine); + int (*wakeup_event)(struct perf_sched *sched, struct perf_sample *sample, + struct machine *machine); /* PERF_RECORD_FORK event, not sched_process_fork tracepoint */ int (*fork_event)(struct perf_sched *sched, union perf_event *event, struct machine *machine); int (*migrate_task_event)(struct perf_sched *sched, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine); }; @@ -826,7 +825,7 @@ static void test_calibrations(struct perf_sched *sched) static int replay_wakeup_event(struct perf_sched *sched, - struct evsel *evsel, struct perf_sample *sample, + struct perf_sample *sample, struct machine *machine __maybe_unused) { const char *comm = perf_sample__strval(sample, "comm"); @@ -834,7 +833,7 @@ replay_wakeup_event(struct perf_sched *sched, struct task_desc *waker, *wakee; if (verbose > 0) { - printf("sched_wakeup event %p\n", evsel); + printf("sched_wakeup event %p\n", sample->evsel); printf(" ... pid %d woke up %s/%d\n", sample->tid, comm, pid); } @@ -847,7 +846,6 @@ replay_wakeup_event(struct perf_sched *sched, } static int replay_switch_event(struct perf_sched *sched, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine __maybe_unused) { @@ -861,7 +859,7 @@ static int replay_switch_event(struct perf_sched *sched, s64 delta; if (verbose > 0) - printf("sched_switch event %p\n", evsel); + printf("sched_switch event %p\n", sample->evsel); if (cpu >= MAX_CPUS || cpu < 0) return 0; @@ -1134,7 +1132,6 @@ static void free_work_atoms(struct work_atoms *atoms) } static int latency_switch_event(struct perf_sched *sched, - struct evsel *evsel __maybe_unused, struct perf_sample *sample, struct machine *machine) { @@ -1204,7 +1201,6 @@ static int latency_switch_event(struct perf_sched *sched, } static int latency_runtime_event(struct perf_sched *sched, - struct evsel *evsel __maybe_unused, struct perf_sample *sample, struct machine *machine) { @@ -1239,7 +1235,6 @@ static int latency_runtime_event(struct perf_sched *sched, } static int latency_wakeup_event(struct perf_sched *sched, - struct evsel *evsel __maybe_unused, struct perf_sample *sample, struct machine *machine) { @@ -1300,7 +1295,6 @@ static int latency_wakeup_event(struct perf_sched *sched, } static int latency_migrate_task_event(struct perf_sched *sched, - struct evsel *evsel __maybe_unused, struct perf_sample *sample, struct machine *machine) { @@ -1519,20 +1513,18 @@ static void perf_sched__sort_lat(struct perf_sched *sched) } static int process_sched_wakeup_event(const struct perf_tool *tool, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { struct perf_sched *sched = container_of(tool, struct perf_sched, tool); if (sched->tp_handler->wakeup_event) - return sched->tp_handler->wakeup_event(sched, evsel, sample, machine); + return sched->tp_handler->wakeup_event(sched, sample, machine); return 0; } static int process_sched_wakeup_ignore(const struct perf_tool *tool __maybe_unused, - struct evsel *evsel __maybe_unused, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { @@ -1626,8 +1618,8 @@ static void print_sched_map(struct perf_sched *sched, struct perf_cpu this_cpu, } } -static int map_switch_event(struct perf_sched *sched, struct evsel *evsel __maybe_unused, - struct perf_sample *sample, struct machine *machine) +static int map_switch_event(struct perf_sched *sched, struct perf_sample *sample, + struct machine *machine) { const u32 next_pid = perf_sample__intval(sample, "next_pid"); const u32 prev_pid = perf_sample__intval(sample, "prev_pid"); @@ -1791,7 +1783,6 @@ static int map_switch_event(struct perf_sched *sched, struct evsel *evsel __mayb } static int process_sched_switch_event(const struct perf_tool *tool, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { @@ -1810,21 +1801,20 @@ static int process_sched_switch_event(const struct perf_tool *tool, } if (sched->tp_handler->switch_event) - err = sched->tp_handler->switch_event(sched, evsel, sample, machine); + err = sched->tp_handler->switch_event(sched, sample, machine); sched->curr_pid[this_cpu] = next_pid; return err; } static int process_sched_runtime_event(const struct perf_tool *tool, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { struct perf_sched *sched = container_of(tool, struct perf_sched, tool); if (sched->tp_handler->runtime_event) - return sched->tp_handler->runtime_event(sched, evsel, sample, machine); + return sched->tp_handler->runtime_event(sched, sample, machine); return 0; } @@ -1847,20 +1837,18 @@ static int perf_sched__process_fork_event(const struct perf_tool *tool, } static int process_sched_migrate_task_event(const struct perf_tool *tool, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { struct perf_sched *sched = container_of(tool, struct perf_sched, tool); if (sched->tp_handler->migrate_task_event) - return sched->tp_handler->migrate_task_event(sched, evsel, sample, machine); + return sched->tp_handler->migrate_task_event(sched, sample, machine); return 0; } typedef int (*tracepoint_handler)(const struct perf_tool *tool, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine); @@ -1874,7 +1862,7 @@ static int perf_sched__process_tracepoint_sample(const struct perf_tool *tool __ if (evsel->handler != NULL) { tracepoint_handler f = evsel->handler; - err = f(tool, evsel, sample, machine); + err = f(tool, sample, machine); } return err; @@ -2313,11 +2301,10 @@ static void timehist_update_runtime_stats(struct thread_runtime *r, r->total_pre_mig_time += r->dt_pre_mig; } -static bool is_idle_sample(struct perf_sample *sample, - struct evsel *evsel) +static bool is_idle_sample(struct perf_sample *sample) { /* pid 0 == swapper == idle task */ - if (evsel__name_is(evsel, "sched:sched_switch")) + if (evsel__name_is(sample->evsel, "sched:sched_switch")) return perf_sample__intval(sample, "prev_pid") == 0; return sample->pid == 0; @@ -2499,12 +2486,11 @@ static void save_idle_callchain(struct perf_sched *sched, static struct thread *timehist_get_thread(struct perf_sched *sched, struct perf_sample *sample, - struct machine *machine, - struct evsel *evsel) + struct machine *machine) { struct thread *thread; - if (is_idle_sample(sample, evsel)) { + if (is_idle_sample(sample)) { thread = get_idle_thread(sample->cpu); if (thread == NULL) pr_err("Failed to get idle thread for cpu %d.\n", sample->cpu); @@ -2547,7 +2533,6 @@ static struct thread *timehist_get_thread(struct perf_sched *sched, static bool timehist_skip_sample(struct perf_sched *sched, struct thread *thread, - struct evsel *evsel, struct perf_sample *sample) { bool rc = false; @@ -2569,7 +2554,7 @@ static bool timehist_skip_sample(struct perf_sched *sched, tr = thread__get_runtime(thread); if (tr && tr->prio != -1) prio = tr->prio; - else if (evsel__name_is(evsel, "sched:sched_switch")) + else if (evsel__name_is(sample->evsel, "sched:sched_switch")) prio = perf_sample__intval(sample, "prev_prio"); if (prio != -1 && !test_bit(prio, sched->prio_bitmap)) { @@ -2579,7 +2564,7 @@ static bool timehist_skip_sample(struct perf_sched *sched, } if (sched->idle_hist) { - if (!evsel__name_is(evsel, "sched:sched_switch")) + if (!evsel__name_is(sample->evsel, "sched:sched_switch")) rc = true; else if (perf_sample__intval(sample, "prev_pid") != 0 && perf_sample__intval(sample, "next_pid") != 0) @@ -2590,7 +2575,6 @@ static bool timehist_skip_sample(struct perf_sched *sched, } static void timehist_print_wakeup_event(struct perf_sched *sched, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine, struct thread *awakened) @@ -2603,8 +2587,8 @@ static void timehist_print_wakeup_event(struct perf_sched *sched, return; /* show wakeup unless both awakee and awaker are filtered */ - if (timehist_skip_sample(sched, thread, evsel, sample) && - timehist_skip_sample(sched, awakened, evsel, sample)) { + if (timehist_skip_sample(sched, thread, sample) && + timehist_skip_sample(sched, awakened, sample)) { thread__put(thread); return; } @@ -2628,7 +2612,6 @@ static void timehist_print_wakeup_event(struct perf_sched *sched, static int timehist_sched_wakeup_ignore(const struct perf_tool *tool __maybe_unused, union perf_event *event __maybe_unused, - struct evsel *evsel __maybe_unused, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { @@ -2637,7 +2620,6 @@ static int timehist_sched_wakeup_ignore(const struct perf_tool *tool __maybe_unu static int timehist_sched_wakeup_event(const struct perf_tool *tool, union perf_event *event __maybe_unused, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { @@ -2663,14 +2645,13 @@ static int timehist_sched_wakeup_event(const struct perf_tool *tool, /* show wakeups if requested */ if (sched->show_wakeups && !perf_time__skip_sample(&sched->ptime, sample->time)) - timehist_print_wakeup_event(sched, evsel, sample, machine, thread); + timehist_print_wakeup_event(sched, sample, machine, thread); thread__put(thread); return 0; } static void timehist_print_migration_event(struct perf_sched *sched, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine, struct thread *migrated) @@ -2691,8 +2672,8 @@ static void timehist_print_migration_event(struct perf_sched *sched, if (thread == NULL) return; - if (timehist_skip_sample(sched, thread, evsel, sample) && - timehist_skip_sample(sched, migrated, evsel, sample)) { + if (timehist_skip_sample(sched, thread, sample) && + timehist_skip_sample(sched, migrated, sample)) { thread__put(thread); return; } @@ -2726,7 +2707,6 @@ static void timehist_print_migration_event(struct perf_sched *sched, static int timehist_migrate_task_event(const struct perf_tool *tool, union perf_event *event __maybe_unused, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { @@ -2751,8 +2731,7 @@ static int timehist_migrate_task_event(const struct perf_tool *tool, /* show migrations if requested */ if (sched->show_migrations) { - timehist_print_migration_event(sched, evsel, sample, - machine, thread); + timehist_print_migration_event(sched, sample, machine, thread); } thread__put(thread); @@ -2784,7 +2763,6 @@ static void timehist_update_task_prio(struct perf_sample *sample, static int timehist_sched_change_event(const struct perf_tool *tool, union perf_event *event, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine) { @@ -2808,13 +2786,13 @@ static int timehist_sched_change_event(const struct perf_tool *tool, if (sched->show_prio || sched->prio_str) timehist_update_task_prio(sample, machine); - thread = timehist_get_thread(sched, sample, machine, evsel); + thread = timehist_get_thread(sched, sample, machine); if (thread == NULL) { rc = -1; goto out; } - if (timehist_skip_sample(sched, thread, evsel, sample)) + if (timehist_skip_sample(sched, thread, sample)) goto out; tr = thread__get_runtime(thread); @@ -2823,7 +2801,7 @@ static int timehist_sched_change_event(const struct perf_tool *tool, goto out; } - tprev = evsel__get_time(evsel, sample->cpu); + tprev = evsel__get_time(sample->evsel, sample->cpu); /* * If start time given: @@ -2913,7 +2891,7 @@ static int timehist_sched_change_event(const struct perf_tool *tool, tr->migrated = 0; } - evsel__save_time(evsel, sample->time, sample->cpu); + evsel__save_time(sample->evsel, sample->time, sample->cpu); thread__put(thread); addr_location__exit(&al); @@ -2922,11 +2900,10 @@ static int timehist_sched_change_event(const struct perf_tool *tool, static int timehist_sched_switch_event(const struct perf_tool *tool, union perf_event *event, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine __maybe_unused) { - return timehist_sched_change_event(tool, event, evsel, sample, machine); + return timehist_sched_change_event(tool, event, sample, machine); } static int process_lost(const struct perf_tool *tool __maybe_unused, @@ -3174,7 +3151,6 @@ static void timehist_print_summary(struct perf_sched *sched, typedef int (*sched_handler)(const struct perf_tool *tool, union perf_event *event, - struct evsel *evsel, struct perf_sample *sample, struct machine *machine); @@ -3196,7 +3172,7 @@ static int perf_timehist__process_sample(const struct perf_tool *tool, if (evsel->handler != NULL) { sched_handler f = evsel->handler; - err = f(tool, event, evsel, sample, machine); + err = f(tool, event, sample, machine); } return err; -- 2.53.0.1213.gd9a14994de-goog