From nobody Thu Feb 12 04:49:55 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C80EEC77B60 for ; Fri, 28 Apr 2023 07:45:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345725AbjD1Hpt (ORCPT ); Fri, 28 Apr 2023 03:45:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49098 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345561AbjD1Ho7 (ORCPT ); Fri, 28 Apr 2023 03:44:59 -0400 Received: from mail-yb1-xb49.google.com (mail-yb1-xb49.google.com [IPv6:2607:f8b0:4864:20::b49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5AA36A77 for ; Fri, 28 Apr 2023 00:44:10 -0700 (PDT) Received: by mail-yb1-xb49.google.com with SMTP id 3f1490d57ef6-b96ee51ee20so10858421276.3 for ; Fri, 28 Apr 2023 00:44:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1682667792; x=1685259792; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=sU/lmeLSKoR5H/nqE4K4lE0bCFvnA0wWSNvCYVNue5M=; b=MEO1uLNDvEOT45tmY4FFO8sSD9xMytWPU2lEMteXKSAC5H80e8w9t66wC2MLS9rbgk CHDwiPM/XVPKUDotRlmOdifqhvs78VQc43z/x+I55W4GhHJfFt+JuWuGXza0UA/e5MJ8 4DiTemTj+6PC0GNM/DFTX704faqOZUxtg1AFghGlLzioCgW00FNKdI1LiaNcDrOkpZAU Dy13ErzM0UU5bV/WIvwOBpgNIzyPfKNzQZJFR/gZ7ZhwFJ2ZQtTPAHHq8yfMMMFTs4/B LvngAUJ36RQBt9qCh+tIa2RfQETq5GKc4b65A847dsaXsbkGao+BhWUBvMQr1X1iSxVv ba5g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682667792; x=1685259792; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=sU/lmeLSKoR5H/nqE4K4lE0bCFvnA0wWSNvCYVNue5M=; b=UUJz56RgwjaUexzoCcxnL7AdWPz1kEWEVLd9WMSMSX2SxQImlwFFySFBvh6JQGcWfT L7pGvFsR5nPsmw9U977oXtoOtH9GXKnomhzExJfMO3rH+8EE/c8CdKTR2jKirSnUptFm Y2+TT84yhyjsvrcfraz8ILdfYaDWhbBQICn9evLfmahuIJoo7BfsfsRrdbOL5wKXd5si sb/H1xKKPifn0Gr7zmzeq07Q2jFyICcsFpGaTEQGb/4erc7+pudjT/85CCTrFP9Q7A5v FDjAWhl5Sp8hsixPwGzFGlemgcgcDrO6q2AllDV1L7X4DX+PAWx85QWiSr2lS1GhKtK/ /ztg== X-Gm-Message-State: AC+VfDx4aL1aPcMMdbJt8HCkrTPljNRjYdVz35Kwsx2EJ7rReP0/6MBw rCNi9U7+OGghnOP44AlzquWZuCN5BsGN X-Google-Smtp-Source: ACHHUZ6A5wIYKXwQ+Lp/MmWT/A7un88gg1PBxsoWZQlYowm6AQR+YrCVWLod5eKaKAi5jmjZD5l7OkeUBEyD X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:24a7:aeb5:5de4:c29b]) (user=irogers job=sendgmr) by 2002:a25:4a06:0:b0:b8f:610b:e6b8 with SMTP id x6-20020a254a06000000b00b8f610be6b8mr2443555yba.9.1682667792021; Fri, 28 Apr 2023 00:43:12 -0700 (PDT) Date: Fri, 28 Apr 2023 00:38:00 -0700 In-Reply-To: <20230428073809.1803624-1-irogers@google.com> Message-Id: <20230428073809.1803624-35-irogers@google.com> Mime-Version: 1.0 References: <20230428073809.1803624-1-irogers@google.com> X-Mailer: git-send-email 2.40.1.495.gc816e09b53d-goog Subject: [PATCH v2 34/43] perf parse-events: Avoid error when assigning a legacy cache term From: Ian Rogers To: Arnaldo Carvalho de Melo , Kan Liang , Ahmad Yasin , Peter Zijlstra , Ingo Molnar , Stephane Eranian , Andi Kleen , Perry Taylor , Samantha Alt , Caleb Biggers , Weilin Wang , Edward Baker , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Adrian Hunter , Florian Fischer , Rob Herring , Zhengjun Xing , John Garry , Kajol Jain , Sumanth Korikkar , Thomas Richter , Tiezhu Yang , Ravi Bangoria , Leo Yan , Yang Jihong , James Clark , Suzuki Poulouse , Kang Minchul , Athira Rajeev , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ian Rogers Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Avoid the parser error: ''' $ perf stat -e 'cycles/name=3Dl1d/' true event syntax error: 'cycles/name=3Dl1d/' \___ parser error ''' by combining the name and legacy cache cases in the parser. Signed-off-by: Ian Rogers --- tools/perf/tests/parse-events.c | 21 +++++++++++++++++++++ tools/perf/util/parse-events.y | 10 ++++++---- 2 files changed, 27 insertions(+), 4 deletions(-) diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-event= s.c index 449d7a1780f4..cf786c362861 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1495,6 +1495,16 @@ static int test__term_equal_term(struct evlist *evli= st) return TEST_OK; } =20 +static int test__term_equal_legacy(struct evlist *evlist) +{ + struct evsel *evsel =3D evlist__first(evlist); + + TEST_ASSERT_VAL("wrong type", evsel->core.attr.type =3D=3D PERF_TYPE_HARD= WARE); + TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCL= ES)); + TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "l1d") =3D=3D 0= ); + return TEST_OK; +} + #ifdef HAVE_LIBTRACEEVENT static int count_tracepoints(void) { @@ -1872,6 +1882,11 @@ static const struct evlist_test test__events[] =3D { .check =3D test__term_equal_term, /* 8 */ }, + { + .name =3D "cycles/name=3Dl1d/", + .check =3D test__term_equal_legacy, + /* 9 */ + }, }; =20 static const struct evlist_test test__events_pmu[] =3D { @@ -2059,6 +2074,12 @@ static const struct evlist_test test__events_pmu[] = =3D { .check =3D test__term_equal_term, /* 0 */ }, + { + .name =3D "cpu/cycles,name=3Dl1d/", + .valid =3D test__pmu_cpu_valid, + .check =3D test__term_equal_legacy, + /* 1 */ + }, }; =20 struct terms_test { diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y index 0aaebc57748e..f4ee03b5976b 100644 --- a/tools/perf/util/parse-events.y +++ b/tools/perf/util/parse-events.y @@ -82,7 +82,7 @@ static void free_list_evsel(struct list_head* list_evsel) %type PE_EVENT_NAME %type PE_KERNEL_PMU_EVENT PE_PMU_EVENT_FAKE %type PE_DRV_CFG_TERM -%type name_or_raw +%type name_or_raw name_or_legacy %destructor { free ($$); } %type event_term %destructor { parse_events_term__delete ($$); } @@ -739,6 +739,8 @@ event_term =20 name_or_raw: PE_RAW | PE_NAME | PE_LEGACY_CACHE =20 +name_or_legacy: PE_NAME | PE_LEGACY_CACHE + event_term: PE_RAW { @@ -752,7 +754,7 @@ PE_RAW $$ =3D term; } | -name_or_raw '=3D' PE_NAME +name_or_raw '=3D' name_or_legacy { struct parse_events_term *term; =20 @@ -826,7 +828,7 @@ PE_TERM_HW $$ =3D term; } | -PE_TERM '=3D' PE_NAME +PE_TERM '=3D' name_or_legacy { struct parse_events_term *term; =20 @@ -872,7 +874,7 @@ PE_TERM $$ =3D term; } | -name_or_raw array '=3D' PE_NAME +name_or_raw array '=3D' name_or_legacy { struct parse_events_term *term; =20 --=20 2.40.1.495.gc816e09b53d-goog