From nobody Wed Oct 8 14:42:39 2025 Received: from mail-pl1-f202.google.com (mail-pl1-f202.google.com [209.85.214.202]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8356C20E328 for ; Sat, 28 Jun 2025 00:10:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.202 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751069410; cv=none; b=MN6DDkcIJjORMo3vcVp9OTlM3gvw4Av2uixi/jLVGbTgrSbhgq6y6W2b7g2mA2ij3lhNJhfYqO4Fdqu9zfLOfLJBJRgI38IVjIvHuxcIgW7VoJeQ8Vn6RF0TX6K1UIMJJzBIOEa6dRg64YvGkTjUfCbHRmGMbVUlJKX5OlXmCC0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751069410; c=relaxed/simple; bh=xVL9J0uE8YY2o5HuFc/58gTf3c9R2ulRZ1/ZjoL77C0=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=FnUIT9eWVxgU+jZlrdxoF05zkkQ7KOR6XY4yZI3b0A92zT05oQ6GO44iHBi+8roU1bLiaerfBwfd4eaN17Auq8j+Riizl+/5vtSuRtiUL3em/XbWLNVakLGAqLxVwfxT3okpPYooFNnPBNkHG/5rvAyh26f/y0z4zntwYgOc/0s= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=OeCF7Yw0; arc=none smtp.client-ip=209.85.214.202 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--irogers.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="OeCF7Yw0" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-23536f7c2d7so2041875ad.2 for ; Fri, 27 Jun 2025 17:10:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1751069408; x=1751674208; darn=vger.kernel.org; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=Q/+JwjdhrMBO/5HpBVeSk3LlYGjPwTHvvOOU4/K1fc8=; b=OeCF7Yw0V66Mr0HVkePBbHqW8G14Jy3qATqz8bXSY0sKc1UOol5IQuwssSGKvdUIBn E6RyucFniiAddx+hBMQ41DB1q3PU0e1EEExeT11zyHmGE7J5AqjuHYKF9a0qUQ2BPTLe hGqsyxF0u0wkXtVYbtgh8sWtSlipDidQZz3+tscI9OEEJIowj3A767Hd+PC2sb+IPuJc 394ELJVqm+B7Hy/ogBPs/+wRYDuHvZfIwFR8j8mvnI9Ai2ATKJ9xPC8FRncUcewMQKWA it6Et03u6jghD+bREHXEPdnqSjsTWaTcGmgLfWt/EnjGoH9Vh3cmRESsxHa7BdsZv7JY /K0g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1751069408; x=1751674208; h=to:from:subject:message-id:references:mime-version:in-reply-to:date :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Q/+JwjdhrMBO/5HpBVeSk3LlYGjPwTHvvOOU4/K1fc8=; b=X9+ZeARIgyTBcnIo2RyGreDhz6Aft6b35citPgWMz7V50nSLLcX2VVJCdkO30yp2YV PKdRmgsnx8XaUVA68iaTEL44anekWcL7Wnx893SmNo0aVOiuNJkMrovIgVTzXT+ciX+j VKUzswK9VdiGso8xNy+HNPCDwPP3frSeOD/8ASM9JzGjaV4SA3i3f/UuQqYmotDOEqxi 5Ve4XzVjHdDFYkxvBsuuWqB3iNGqUs2oQ9o2zwaXmQbRATAvkIc9bssna0qp+oXFRHN4 QodIFv1VMqNWOYCHMQQbWw2QyvGd4LSGoI3osl+OsWtje/hFd3v0r1Sdj89eZlC5TKHo u7yw== X-Forwarded-Encrypted: i=1; AJvYcCUqMtcnK1j1YhuKEMc1SuVoLr8k52B8Af6oGqnopb92Veqb0mCTAJLC5qsV4QkGjLVv8VONRmsZCutrsjE=@vger.kernel.org X-Gm-Message-State: AOJu0YyIiITH7DwrZg9BfbpHtyzjKsGND77h6hiTItIslXYZZ8+fKZua 78I9XqLJ3N1pE0h5tCND0JRFXSPCtFJHQHMncLo5wzesZpMm+niYU91mx7PPMNDDXuFoXeAfqmc /yuqQikpadA== X-Google-Smtp-Source: AGHT+IHGtGoo6yS7p8v8uk06oyvnmlCgNtCebfmcI1adPvKEg/Zh4ipwfx8AI7ZP+yXxiet+KcfserSya3fA X-Received: from plal21.prod.google.com ([2002:a17:903:55:b0:235:895:2564]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:1107:b0:235:a9b:21e7 with SMTP id d9443c01a7336-23ac48802ddmr82623725ad.48.1751069407768; Fri, 27 Jun 2025 17:10:07 -0700 (PDT) Date: Fri, 27 Jun 2025 17:09:28 -0700 In-Reply-To: <20250628000929.230406-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250628000929.230406-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250628000929.230406-15-irogers@google.com> Subject: [PATCH v4 14/15] perf list: Remove tracepoint printing code 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 , James Clark , Xu Yang , John Garry , "Masami Hiramatsu (Google)" , Howard Chu , Weilin Wang , Thomas Richter , Andi Kleen , Tiezhu Yang , Gautam Menghani , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Now that the tp_pmu can iterate and describe events remove the custom tracepoint printing logic, this avoids perf list showing the tracepoint events twice. Signed-off-by: Ian Rogers --- tools/perf/builtin-list.c | 28 +++++++--- tools/perf/util/print-events.c | 93 ---------------------------------- tools/perf/util/print-events.h | 1 - 3 files changed, 22 insertions(+), 100 deletions(-) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index 674bb0afbf93..3216be404f27 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -614,9 +614,18 @@ int cmd_list(int argc, const char **argv) for (i =3D 0; i < argc; ++i) { char *sep, *s; =20 - if (strcmp(argv[i], "tracepoint") =3D=3D 0) - print_tracepoint_events(&print_cb, ps); - else if (strcmp(argv[i], "hw") =3D=3D 0 || + if (strcmp(argv[i], "tracepoint") =3D=3D 0) { + char *old_pmu_glob =3D default_ps.pmu_glob; + + default_ps.pmu_glob =3D strdup("tracepoint"); + if (!default_ps.pmu_glob) { + ret =3D -1; + goto out; + } + perf_pmus__print_pmu_events(&print_cb, ps); + zfree(&default_ps.pmu_glob); + default_ps.pmu_glob =3D old_pmu_glob; + } else if (strcmp(argv[i], "hw") =3D=3D 0 || strcmp(argv[i], "hardware") =3D=3D 0) print_symbol_events(&print_cb, ps, PERF_TYPE_HARDWARE, event_symbols_hw, PERF_COUNT_HW_MAX); @@ -658,6 +667,7 @@ int cmd_list(int argc, const char **argv) #endif else if ((sep =3D strchr(argv[i], ':')) !=3D NULL) { char *old_pmu_glob =3D default_ps.pmu_glob; + char *old_event_glob =3D default_ps.event_glob; =20 default_ps.event_glob =3D strdup(argv[i]); if (!default_ps.event_glob) { @@ -665,13 +675,20 @@ int cmd_list(int argc, const char **argv) goto out; } =20 - print_tracepoint_events(&print_cb, ps); + default_ps.pmu_glob =3D strdup("tracepoint"); + if (!default_ps.pmu_glob) { + zfree(&default_ps.event_glob); + ret =3D -1; + goto out; + } + perf_pmus__print_pmu_events(&print_cb, ps); + default_ps.pmu_glob =3D old_pmu_glob; print_sdt_events(&print_cb, ps); default_ps.metrics =3D true; default_ps.metricgroups =3D true; metricgroup__print(&print_cb, ps); zfree(&default_ps.event_glob); - default_ps.pmu_glob =3D old_pmu_glob; + default_ps.event_glob =3D old_event_glob; } else { if (asprintf(&s, "*%s*", argv[i]) < 0) { printf("Critical: Not enough memory! Trying to continue...\n"); @@ -682,7 +699,6 @@ int cmd_list(int argc, const char **argv) event_symbols_hw, PERF_COUNT_HW_MAX); print_hwcache_events(&print_cb, ps); perf_pmus__print_pmu_events(&print_cb, ps); - print_tracepoint_events(&print_cb, ps); print_sdt_events(&print_cb, ps); default_ps.metrics =3D true; default_ps.metricgroups =3D true; diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c index 5c10d8fdfd7d..45bfc2199f13 100644 --- a/tools/perf/util/print-events.c +++ b/tools/perf/util/print-events.c @@ -44,97 +44,6 @@ static const char * const event_type_descriptors[] =3D { "Hardware breakpoint", }; =20 -/* - * Print the events from /tracing/events - */ -void print_tracepoint_events(const struct print_callbacks *print_cb __mayb= e_unused, void *print_state __maybe_unused) -{ - char *events_path =3D get_tracing_file("events"); - int events_fd =3D open(events_path, O_PATH); - struct dirent **sys_namelist =3D NULL; - int sys_items; - - if (events_fd < 0) { - pr_err("Error: failed to open tracing events directory\n"); - pr_err("%s: %s\n", events_path, strerror(errno)); - return; - } - put_tracing_file(events_path); - - sys_items =3D tracing_events__scandir_alphasort(&sys_namelist); - - for (int i =3D 0; i < sys_items; i++) { - struct dirent *sys_dirent =3D sys_namelist[i]; - struct dirent **evt_namelist =3D NULL; - int dir_fd; - int evt_items; - - if (sys_dirent->d_type !=3D DT_DIR || - !strcmp(sys_dirent->d_name, ".") || - !strcmp(sys_dirent->d_name, "..")) - goto next_sys; - - dir_fd =3D openat(events_fd, sys_dirent->d_name, O_PATH); - if (dir_fd < 0) - goto next_sys; - - evt_items =3D scandirat(events_fd, sys_dirent->d_name, &evt_namelist, NU= LL, alphasort); - for (int j =3D 0; j < evt_items; j++) { - /* - * Buffer sized at twice the max filename length + 1 - * separator + 1 \0 terminator. - */ - char buf[NAME_MAX * 2 + 2]; - /* 16 possible hex digits and 22 other characters and \0. */ - char encoding[16 + 22]; - struct dirent *evt_dirent =3D evt_namelist[j]; - struct io id; - __u64 config; - - if (evt_dirent->d_type !=3D DT_DIR || - !strcmp(evt_dirent->d_name, ".") || - !strcmp(evt_dirent->d_name, "..")) - goto next_evt; - - snprintf(buf, sizeof(buf), "%s/id", evt_dirent->d_name); - io__init(&id, openat(dir_fd, buf, O_RDONLY), buf, sizeof(buf)); - - if (id.fd < 0) - goto next_evt; - - if (io__get_dec(&id, &config) < 0) { - close(id.fd); - goto next_evt; - } - close(id.fd); - - snprintf(buf, sizeof(buf), "%s:%s", - sys_dirent->d_name, evt_dirent->d_name); - snprintf(encoding, sizeof(encoding), "tracepoint/config=3D0x%llx/", con= fig); - print_cb->print_event(print_state, - /*topic=3D*/NULL, - /*pmu_name=3D*/NULL, /* really "tracepoint" */ - /*event_name=3D*/buf, - /*event_alias=3D*/NULL, - /*scale_unit=3D*/NULL, - /*deprecated=3D*/false, - "Tracepoint event", - /*desc=3D*/NULL, - /*long_desc=3D*/NULL, - encoding); -next_evt: - free(evt_namelist[j]); - } - close(dir_fd); - free(evt_namelist); -next_sys: - free(sys_namelist[i]); - } - - free(sys_namelist); - close(events_fd); -} - void print_sdt_events(const struct print_callbacks *print_cb, void *print_= state) { struct strlist *bidlist, *sdtlist; @@ -419,8 +328,6 @@ void print_events(const struct print_callbacks *print_c= b, void *print_state) /*long_desc=3D*/NULL, /*encoding_desc=3D*/NULL); =20 - print_tracepoint_events(print_cb, print_state); - print_sdt_events(print_cb, print_state); =20 metricgroup__print(print_cb, print_state); diff --git a/tools/perf/util/print-events.h b/tools/perf/util/print-events.h index 8f19c2bea64a..02511ed6ecad 100644 --- a/tools/perf/util/print-events.h +++ b/tools/perf/util/print-events.h @@ -37,7 +37,6 @@ void print_sdt_events(const struct print_callbacks *print= _cb, void *print_state) void print_symbol_events(const struct print_callbacks *print_cb, void *pri= nt_state, unsigned int type, const struct event_symbol *syms, unsigned int max); -void print_tracepoint_events(const struct print_callbacks *print_cb, void = *print_state); bool is_event_supported(u8 type, u64 config); =20 #endif /* __PERF_PRINT_EVENTS_H */ --=20 2.50.0.727.gbf7dc18ff4-goog