From nobody Tue Oct 7 11:52:37 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 68C8B2FE31B for ; Thu, 10 Jul 2025 20:25:13 +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=1752179115; cv=none; b=Q8P7lcGgpKRucu5dX1AbJuzFiPkZhIDj5q/kpRGGok2cYnM5gJPKn29VW/CIGep17t39myOW5tcAHSvCynBVGAmPGEgGmzAks8Cl0GZmI4QM4056qfxtYBhb11Qy88MHnTxrE07o+WdKqo7ZmkjbH5zFTkR1tcaO6NxnwzwFKxg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752179115; c=relaxed/simple; bh=hQokINY7w1ShrrgZa7yZzzTcBe2DFkxckj5lH340Cec=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=D86w2zd8Me8rZhwjXQmkzsTTvxjFW67h8ZHhkDh6hSAWopbHpY26Y8SK0pw/lQY6pbBBUVfFHSjtyQ0o/YsqLflFA2hyHz6JK7YFgIHoovqNx/JdMoaF847GI+DHCDhIlzvLl0IkTFebLnEKOldGSTprVh7dDiK8JyNwuTsjO2g= 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=ChEH8W6F; 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="ChEH8W6F" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-235e1d70d67so13753705ad.0 for ; Thu, 10 Jul 2025 13:25:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1752179113; x=1752783913; 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=rlDQWnF9PwaPlaf+aejcqkoEmXJ/40GLuFVvGJ4bgdI=; b=ChEH8W6Fc0ju2KxMjc0c4U+g2BYcEJxHXmPLBSRiJvktSBYeXFAE48KWEB5YYSAsZ3 0PWrv/qY+C2oJpnA1ugilLKuZXDydTcM/W2R04XirRcSWyboGAtdQMJu1+rJy+638xUo lHubgtLGMIzQDRfx80Ul0gaSiZNKo9Zs/9MD8+sYpqlhMYmbx7j9vhmyi1ZeEr8w7/IX jVydECmthpw5q8sxETbxvSWhISmSWAz02y1iakoLas+qogVnuzizODfHxL266YO2Uonw U4ud1IQwfTOBey4Vf+g6R5BfeZEpfaV9K1gzdRTgQnEI8sPk/SGqqJGy2KnuPbfs63aY UdOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752179113; x=1752783913; 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=rlDQWnF9PwaPlaf+aejcqkoEmXJ/40GLuFVvGJ4bgdI=; b=QT1r2QMm9kIOXy6PPzCNq/4Wdi1iRUFV0pb3sjVKN9ThuXOBX6cabbCZr5QbdpFLmO YoLBn6qoLs9TIb99BildNm1wJvO6QL9fiYAJXT44pp5GLSxw1a3gNM44JoTzla+uUqrA Flb6olirCD/6qpYeFJtea0gz8xd3gSOjL0vOpKAYXQC/atxtPdLzEZyN+w4ss0Jfd2iY NtKvY5XoRIt1+9U5lS7Vb/ZSWt5uBAFIJNhqpm28yKdkbGeSXuogxGVoOcK1iIASZlwN nikJP2WU+PusWZWV9j59xIsViih1wn7DrL7e6PFpZ5HavKKTvdPVa7kXXwOja869xIAH tZHQ== X-Forwarded-Encrypted: i=1; AJvYcCUX66ztsu1lfn0JuPHR6uqvQrb62KyBHWgoJz2y2Sk5xszwWyC1GCJEc9magoWt7fwyiWLykBlLKSQQuJk=@vger.kernel.org X-Gm-Message-State: AOJu0Yz60x5pCAI7nFR++ztM/NprTEGA1Z6dfx66bibdEsYxR4+AsmDj iiuRYkCsiW6mrlB4tmJA8qeqMokyKtA+zskzm4iv2WjNooi/aHUKLI7PpDJagLvUnIN6U2PoyB6 ROT29F5yp3g== X-Google-Smtp-Source: AGHT+IFxUxSNM9Jj7Qp3AW0G45CbXW47A0jHPPnikNBTDcMjlnzGv0sTGlhLljKBXZPHk/0SpsCc362vCmM+ X-Received: from plpf5.prod.google.com ([2002:a17:903:3c45:b0:236:9ead:1ac4]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:f682:b0:234:8eeb:d834 with SMTP id d9443c01a7336-23dee1e8154mr6811065ad.16.1752179112746; Thu, 10 Jul 2025 13:25:12 -0700 (PDT) Date: Thu, 10 Jul 2025 13:24:41 -0700 In-Reply-To: <20250710202500.1959672-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250710202500.1959672-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250710202500.1959672-4-irogers@google.com> Subject: [PATCH v5 02/14] perf parse-events: Remove non-json software events 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 , "Masami Hiramatsu (Google)" , Collin Funk , Howard Chu , Weilin Wang , Andi Kleen , "Dr. David Alan Gilbert" , Thomas Richter , Tiezhu Yang , Gautam Menghani , Thomas Falcon , Chun-Tse Shao , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Remove the hard coded encodings from parse-events. This has the consequence that software events are matched using the sysfs/json priority, will be case insensitive and will be wildcarded across PMUs. As there were software and hardware types in the parsing code, the removal means software vs hardware logic can be removed and hardware assumed. Now the perf json provides detailed descriptions of software events, remove the previous listing support that didn't contain event descriptions. When globbing is required for the "sw" option in perf list, use string PMU globbing as was done previously for the tool PMU. Signed-off-by: Ian Rogers --- tools/perf/builtin-list.c | 19 ++++++------- tools/perf/util/parse-events.c | 51 ---------------------------------- tools/perf/util/parse-events.h | 1 - tools/perf/util/parse-events.l | 38 +++++++++---------------- tools/perf/util/parse-events.y | 29 ++++++++----------- tools/perf/util/print-events.c | 2 -- 6 files changed, 33 insertions(+), 107 deletions(-) diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c index e9b595d75df2..674bb0afbf93 100644 --- a/tools/perf/builtin-list.c +++ b/tools/perf/builtin-list.c @@ -623,16 +623,17 @@ int cmd_list(int argc, const char **argv) else if (strcmp(argv[i], "sw") =3D=3D 0 || strcmp(argv[i], "software") =3D=3D 0) { char *old_pmu_glob =3D default_ps.pmu_glob; + static const char * const sw_globs[] =3D { "software", "tool" }; =20 - print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE, - event_symbols_sw, PERF_COUNT_SW_MAX); - default_ps.pmu_glob =3D strdup("tool"); - if (!default_ps.pmu_glob) { - ret =3D -1; - goto out; + for (size_t j =3D 0; j < ARRAY_SIZE(sw_globs); j++) { + default_ps.pmu_glob =3D strdup(sw_globs[j]); + if (!default_ps.pmu_glob) { + ret =3D -1; + goto out; + } + perf_pmus__print_pmu_events(&print_cb, ps); + zfree(&default_ps.pmu_glob); } - 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], "cache") =3D=3D 0 || strcmp(argv[i], "hwcache") =3D=3D 0) @@ -679,8 +680,6 @@ int cmd_list(int argc, const char **argv) default_ps.event_glob =3D s; print_symbol_events(&print_cb, ps, PERF_TYPE_HARDWARE, event_symbols_hw, PERF_COUNT_HW_MAX); - print_symbol_events(&print_cb, ps, PERF_TYPE_SOFTWARE, - event_symbols_sw, PERF_COUNT_SW_MAX); print_hwcache_events(&print_cb, ps); perf_pmus__print_pmu_events(&print_cb, ps); print_tracepoint_events(&print_cb, ps); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index a59ae5ca0f89..1ae481c9802b 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -84,57 +84,6 @@ const struct event_symbol event_symbols_hw[PERF_COUNT_HW= _MAX] =3D { }, }; =20 -const struct event_symbol event_symbols_sw[PERF_COUNT_SW_MAX] =3D { - [PERF_COUNT_SW_CPU_CLOCK] =3D { - .symbol =3D "cpu-clock", - .alias =3D "", - }, - [PERF_COUNT_SW_TASK_CLOCK] =3D { - .symbol =3D "task-clock", - .alias =3D "", - }, - [PERF_COUNT_SW_PAGE_FAULTS] =3D { - .symbol =3D "page-faults", - .alias =3D "faults", - }, - [PERF_COUNT_SW_CONTEXT_SWITCHES] =3D { - .symbol =3D "context-switches", - .alias =3D "cs", - }, - [PERF_COUNT_SW_CPU_MIGRATIONS] =3D { - .symbol =3D "cpu-migrations", - .alias =3D "migrations", - }, - [PERF_COUNT_SW_PAGE_FAULTS_MIN] =3D { - .symbol =3D "minor-faults", - .alias =3D "", - }, - [PERF_COUNT_SW_PAGE_FAULTS_MAJ] =3D { - .symbol =3D "major-faults", - .alias =3D "", - }, - [PERF_COUNT_SW_ALIGNMENT_FAULTS] =3D { - .symbol =3D "alignment-faults", - .alias =3D "", - }, - [PERF_COUNT_SW_EMULATION_FAULTS] =3D { - .symbol =3D "emulation-faults", - .alias =3D "", - }, - [PERF_COUNT_SW_DUMMY] =3D { - .symbol =3D "dummy", - .alias =3D "", - }, - [PERF_COUNT_SW_BPF_OUTPUT] =3D { - .symbol =3D "bpf-output", - .alias =3D "", - }, - [PERF_COUNT_SW_CGROUP_SWITCHES] =3D { - .symbol =3D "cgroup-switches", - .alias =3D "", - }, -}; - static const char *const event_types[] =3D { [PERF_TYPE_HARDWARE] =3D "hardware", [PERF_TYPE_SOFTWARE] =3D "software", diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index b47bf2810112..62dc7202e3ba 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -264,7 +264,6 @@ struct event_symbol { const char *alias; }; extern const struct event_symbol event_symbols_hw[]; -extern const struct event_symbol event_symbols_sw[]; =20 char *parse_events_formats_error_string(char *additional_terms); =20 diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l index 4af7b9c1f44d..2034590eb789 100644 --- a/tools/perf/util/parse-events.l +++ b/tools/perf/util/parse-events.l @@ -117,12 +117,12 @@ do { \ yyless(0); \ } while (0) =20 -static int sym(yyscan_t scanner, int type, int config) +static int sym(yyscan_t scanner, int config) { YYSTYPE *yylval =3D parse_events_get_lval(scanner); =20 - yylval->num =3D (type << 16) + config; - return type =3D=3D PERF_TYPE_HARDWARE ? PE_VALUE_SYM_HW : PE_VALUE_SYM_SW; + yylval->num =3D config; + return PE_VALUE_SYM_HW; } =20 static int term(yyscan_t scanner, enum parse_events__term_type type) @@ -391,28 +391,16 @@ r0x{num_raw_hex} { return str(yyscanner, PE_RAW); } <> { BEGIN(INITIAL); } } =20 -cpu-cycles|cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUN= T_HW_CPU_CYCLES); } -stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_= TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } -stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_TY= PE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } -instructions { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW= _INSTRUCTIONS); } -cache-references { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT= _HW_CACHE_REFERENCES); } -cache-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW= _CACHE_MISSES); } -branch-instructions|branches { return sym(yyscanner, PERF_TYPE_HARDWARE,= PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } -branch-misses { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_H= W_BRANCH_MISSES); } -bus-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_B= US_CYCLES); } -ref-cycles { return sym(yyscanner, PERF_TYPE_HARDWARE, PERF_COUNT_HW_R= EF_CPU_CYCLES); } -cpu-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CP= U_CLOCK); } -task-clock { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_T= ASK_CLOCK); } -page-faults|faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COU= NT_SW_PAGE_FAULTS); } -minor-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW= _PAGE_FAULTS_MIN); } -major-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW= _PAGE_FAULTS_MAJ); } -context-switches|cs { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_CO= UNT_SW_CONTEXT_SWITCHES); } -cpu-migrations|migrations { return sym(yyscanner, PERF_TYPE_SOFTWARE, PE= RF_COUNT_SW_CPU_MIGRATIONS); } -alignment-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT= _SW_ALIGNMENT_FAULTS); } -emulation-faults { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT= _SW_EMULATION_FAULTS); } -dummy { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_DUMMY= ); } -bpf-output { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT_SW_B= PF_OUTPUT); } -cgroup-switches { return sym(yyscanner, PERF_TYPE_SOFTWARE, PERF_COUNT= _SW_CGROUP_SWITCHES); } +cpu-cycles|cycles { return sym(yyscanner, PERF_COUNT_HW_CPU_CYCLES); } +stalled-cycles-frontend|idle-cycles-frontend { return sym(yyscanner, PERF_= COUNT_HW_STALLED_CYCLES_FRONTEND); } +stalled-cycles-backend|idle-cycles-backend { return sym(yyscanner, PERF_CO= UNT_HW_STALLED_CYCLES_BACKEND); } +instructions { return sym(yyscanner, PERF_COUNT_HW_INSTRUCTIONS); } +cache-references { return sym(yyscanner, PERF_COUNT_HW_CACHE_REFERENCES= ); } +cache-misses { return sym(yyscanner, PERF_COUNT_HW_CACHE_MISSES); } +branch-instructions|branches { return sym(yyscanner, PERF_COUNT_HW_BRANC= H_INSTRUCTIONS); } +branch-misses { return sym(yyscanner, PERF_COUNT_HW_BRANCH_MISSES); } +bus-cycles { return sym(yyscanner, PERF_COUNT_HW_BUS_CYCLES); } +ref-cycles { return sym(yyscanner, PERF_COUNT_HW_REF_CPU_CYCLES); } =20 {lc_type} { return str(yyscanner, PE_LEGACY_CACHE); } {lc_type}-{lc_op_result} { return str(yyscanner, PE_LEGACY_CACHE); } diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index f888cbb076d6..a2361c0040d7 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -55,7 +55,7 @@ static void free_list_evsel(struct list_head* list_evsel) %} =20 %token PE_START_EVENTS PE_START_TERMS -%token PE_VALUE PE_VALUE_SYM_HW PE_VALUE_SYM_SW PE_TERM +%token PE_VALUE PE_VALUE_SYM_HW PE_TERM %token PE_EVENT_NAME %token PE_RAW PE_NAME %token PE_MODIFIER_EVENT PE_MODIFIER_BP PE_BP_COLON PE_BP_SLASH @@ -66,10 +66,8 @@ static void free_list_evsel(struct list_head* list_evsel) %token PE_TERM_HW %type PE_VALUE %type PE_VALUE_SYM_HW -%type PE_VALUE_SYM_SW %type PE_MODIFIER_EVENT %type PE_TERM -%type value_sym %type PE_RAW %type PE_NAME %type PE_LEGACY_CACHE @@ -306,24 +304,19 @@ PE_NAME sep_dc $$ =3D list; } =20 -value_sym: -PE_VALUE_SYM_HW -| -PE_VALUE_SYM_SW - event_legacy_symbol: -value_sym '/' event_config '/' +PE_VALUE_SYM_HW '/' event_config '/' { struct list_head *list; - int type =3D $1 >> 16; - int config =3D $1 & 255; int err; - bool wildcard =3D (type =3D=3D PERF_TYPE_HARDWARE || type =3D=3D PERF_TYP= E_HW_CACHE); =20 list =3D alloc_list(); if (!list) YYNOMEM; - err =3D parse_events_add_numeric(_parse_state, list, type, config, $3, wi= ldcard); + err =3D parse_events_add_numeric(_parse_state, list, + PERF_TYPE_HARDWARE, $1, + $3, + /*wildcard=3D*/true); parse_events_terms__delete($3); if (err) { free_list_evsel(list); @@ -332,18 +325,18 @@ value_sym '/' event_config '/' $$ =3D list; } | -value_sym sep_slash_slash_dc +PE_VALUE_SYM_HW sep_slash_slash_dc { struct list_head *list; - int type =3D $1 >> 16; - int config =3D $1 & 255; - bool wildcard =3D (type =3D=3D PERF_TYPE_HARDWARE || type =3D=3D PERF_TYP= E_HW_CACHE); int err; =20 list =3D alloc_list(); if (!list) YYNOMEM; - err =3D parse_events_add_numeric(_parse_state, list, type, config, /*head= _config=3D*/NULL, wildcard); + err =3D parse_events_add_numeric(_parse_state, list, + PERF_TYPE_HARDWARE, $1, + /*head_config=3D*/NULL, + /*wildcard=3D*/true); if (err) PE_ABORT(err); $$ =3D list; diff --git a/tools/perf/util/print-events.c b/tools/perf/util/print-events.c index e233bacaa641..c1a8708b55ab 100644 --- a/tools/perf/util/print-events.c +++ b/tools/perf/util/print-events.c @@ -521,8 +521,6 @@ void print_events(const struct print_callbacks *print_c= b, void *print_state) { print_symbol_events(print_cb, print_state, PERF_TYPE_HARDWARE, event_symbols_hw, PERF_COUNT_HW_MAX); - print_symbol_events(print_cb, print_state, PERF_TYPE_SOFTWARE, - event_symbols_sw, PERF_COUNT_SW_MAX); =20 print_hwcache_events(print_cb, print_state); =20 --=20 2.50.0.727.gbf7dc18ff4-goog