From nobody Mon Oct 6 06:46:45 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 AB49A2EBB89 for ; Thu, 24 Jul 2025 16:34:08 +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=1753374850; cv=none; b=tbhQS/0JiegJCOPmmxt5cCujHGhHa6PiicJ0T5bNxOkDybVcq/GBiG8dutrRmRPllLr1sAG5RTupZQi1nB3oNIOQwCXgNcWkaRQBxRetJDEJftlK7/D5h8jf2XgOsXt8fBI3EbYbsyj89ldTAaG7q2Vx6jR7X0BLkAVpUCnmTeI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753374850; c=relaxed/simple; bh=632wKGNyCCWu4IHUHc4YCR6GE2rvG7HxdGVRhULHoEk=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Content-Type; b=Gcqf4NdFdhRwOSvXGVkJPrNKRe8U+tbmUie+Dicft0Tk4XHngGCLuf/omsBR7naW2BQyR8XDu+9J/GWGUSwUTOE9dRXN+CzJBXZyY1yI+yXPeXnhRlZbmNdAl6/qYr8iq3kHrO47LTu8Tw9EWu20dTm1Zeh5qzceDHNEhdgofqQ= 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=LMeLDsM6; 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="LMeLDsM6" Received: by mail-pl1-f202.google.com with SMTP id d9443c01a7336-234fedd3e51so10890855ad.1 for ; Thu, 24 Jul 2025 09:34:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1753374848; x=1753979648; 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=KRJnLCS3Te9ds9o18/k7NkHBfW+BQaNrKh8gUYHbrGE=; b=LMeLDsM6RV3SRh8XY/rEKhLk/VeAeUSm4QL0qCSBNLNH3GmDgbpkrmEKNgwkI/6gK2 6HDvLgThL8if3eBbS7tdH8bRp+E3HJ8NsuUDAwkoGN+B58/S9jV76oAOd3wbye2iQd8f RdOu2Cgi04IkYrqlc4nt8UioTnOPgUKHUkmaL1h2kkoByypvOZShGhD72+E4a5zAOvAj sP/aafybknrhiAjFszP3SLKav1m7NRDpIUhf4HuKkgpdHvCSdHxB/qAxNLXFPUmtuUa7 GiYXCRq0WJHDxGAhR3bRAMAyMgkcEMTuuVuPOaxHpwt1iN0GLsr9IyF0B6eJiqrmMQgf Td4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753374848; x=1753979648; 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=KRJnLCS3Te9ds9o18/k7NkHBfW+BQaNrKh8gUYHbrGE=; b=hbn8ofZopACnAZ/o4hFUtsbputi1M6dX9SdOYkQzMTlAKGtHuqSyjzTyxhLEaNs/gd ugcBDR6pWZ4Tkjplt5K4WFahdxqZ6pxkYgw7DLhfn/RuJwGYZBXeXfGM/be1G03TKg8F TVcmTUm3hAhaXZKSQAtlEhaOqegXf12R6V8tSeahieJPYJwMYdYTQGUItkOos0N+l6DH WKRnslexOfhJo/JYBC0tIKcUpIio+yHJbnbjcTuxuM25H1LNgINQPE2ghfe/bNo1eamR 7SX1Of9tNsXT77WF3L/9sEKrbQsvtIX1JrGMhf5YPk9/ugFMH0EBNX88ZnNvqGfNsc/B crxA== X-Forwarded-Encrypted: i=1; AJvYcCXWWXlXpzLjMle7YCrXR3SXbxIIyp1Jwcc0l79zEOqiTgsEM01Vp6UbnVMGPbVW5SJ470fpqBcK12b8fow=@vger.kernel.org X-Gm-Message-State: AOJu0Yx7hhBGHJsFf70PK4kE6yXWoO42uz7gJcny+MGxUL7AiLc4h+0V gGQM8O6bnp7FliWuj68beo06TMjd1cyRqLBv/2Eu+cfxhQxk561XOzoknOIVH0PyGAcBk4hv3C/ qwZXEPwXN5Q== X-Google-Smtp-Source: AGHT+IGUgy9kFIK3yWoxJCyX5EFX4c3T5gpyZo5qR4OS55WYFBvKkGnZSR6RTnQeMkax1xnxaEp3rD8WER6A X-Received: from plblc16.prod.google.com ([2002:a17:902:fa90:b0:236:38e1:6020]) (user=irogers job=prod-delivery.src-stubby-dispatcher) by 2002:a17:903:46ce:b0:234:c5c1:9b7a with SMTP id d9443c01a7336-23f9816414dmr86114945ad.8.1753374848004; Thu, 24 Jul 2025 09:34:08 -0700 (PDT) Date: Thu, 24 Jul 2025 09:33:01 -0700 In-Reply-To: <20250724163302.596743-1-irogers@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250724163302.596743-1-irogers@google.com> X-Mailer: git-send-email 2.50.0.727.gbf7dc18ff4-goog Message-ID: <20250724163302.596743-22-irogers@google.com> Subject: [PATCH v6 21/22] perf test: Move PERF_SAMPLE_WEIGHT_STRUCT parsing to common test 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 , "Masami Hiramatsu (Google)" , Ravi Bangoria , Charlie Jenkins , Colin Ian King , Andi Kleen , Dmitry Vyukov , Graham Woodward , Ilkka Koskinen , Zhongqiu Han , Yicong Yang , Athira Rajeev , Kajol Jain , Li Huafei , "Steinar H. Gunderson" , Stephen Brennan , Chun-Tse Shao , Yujie Liu , "Dr. David Alan Gilbert" , Levi Yun , Howard Chu , Weilin Wang , Thomas Falcon , Matt Fleming , "=?UTF-8?q?Krzysztof=20=C5=81opatowski?=" , Zixian Cai , Steve Clevenger , Ben Gainey , Chaitanya S Prakash , Martin Liska , "=?UTF-8?q?Martin=20Li=C5=A1ka?=" , Song Liu , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" test__x86_sample_parsing is identical to test__sample_parsing except it explicitly tested PERF_SAMPLE_WEIGHT_STRUCT. Now the parsing code is common move the PERF_SAMPLE_WEIGHT_STRUCT to the common sample parsing test and remove the x86 version. Signed-off-by: Ian Rogers --- tools/perf/arch/x86/include/arch-tests.h | 1 - tools/perf/arch/x86/tests/Build | 1 - tools/perf/arch/x86/tests/arch-tests.c | 2 - tools/perf/arch/x86/tests/sample-parsing.c | 125 --------------------- tools/perf/tests/sample-parsing.c | 14 +++ 5 files changed, 14 insertions(+), 129 deletions(-) delete mode 100644 tools/perf/arch/x86/tests/sample-parsing.c diff --git a/tools/perf/arch/x86/include/arch-tests.h b/tools/perf/arch/x86= /include/arch-tests.h index 4fd425157d7d..957934417b26 100644 --- a/tools/perf/arch/x86/include/arch-tests.h +++ b/tools/perf/arch/x86/include/arch-tests.h @@ -12,7 +12,6 @@ int test__insn_x86(struct test_suite *test, int subtest); int test__intel_pt_pkt_decoder(struct test_suite *test, int subtest); int test__intel_pt_hybrid_compat(struct test_suite *test, int subtest); int test__bp_modify(struct test_suite *test, int subtest); -int test__x86_sample_parsing(struct test_suite *test, int subtest); int test__amd_ibs_via_core_pmu(struct test_suite *test, int subtest); int test__amd_ibs_period(struct test_suite *test, int subtest); int test__hybrid(struct test_suite *test, int subtest); diff --git a/tools/perf/arch/x86/tests/Build b/tools/perf/arch/x86/tests/Bu= ild index 01d5527f38c7..01c22ca6f2bd 100644 --- a/tools/perf/arch/x86/tests/Build +++ b/tools/perf/arch/x86/tests/Build @@ -2,7 +2,6 @@ perf-test-$(CONFIG_DWARF_UNWIND) +=3D regs_load.o perf-test-$(CONFIG_DWARF_UNWIND) +=3D dwarf-unwind.o =20 perf-test-y +=3D arch-tests.o -perf-test-y +=3D sample-parsing.o perf-test-y +=3D hybrid.o perf-test-$(CONFIG_AUXTRACE) +=3D intel-pt-test.o ifeq ($(CONFIG_EXTRA_TESTS),y) diff --git a/tools/perf/arch/x86/tests/arch-tests.c b/tools/perf/arch/x86/t= ests/arch-tests.c index bfee2432515b..1023c83684ce 100644 --- a/tools/perf/arch/x86/tests/arch-tests.c +++ b/tools/perf/arch/x86/tests/arch-tests.c @@ -23,7 +23,6 @@ struct test_suite suite__intel_pt =3D { #if defined(__x86_64__) DEFINE_SUITE("x86 bp modify", bp_modify); #endif -DEFINE_SUITE("x86 Sample parsing", x86_sample_parsing); DEFINE_SUITE("AMD IBS via core pmu", amd_ibs_via_core_pmu); DEFINE_SUITE_EXCLUSIVE("AMD IBS sample period", amd_ibs_period); static struct test_case hybrid_tests[] =3D { @@ -49,7 +48,6 @@ struct test_suite *arch_tests[] =3D { #if defined(__x86_64__) &suite__bp_modify, #endif - &suite__x86_sample_parsing, &suite__amd_ibs_via_core_pmu, &suite__amd_ibs_period, &suite__hybrid, diff --git a/tools/perf/arch/x86/tests/sample-parsing.c b/tools/perf/arch/x= 86/tests/sample-parsing.c deleted file mode 100644 index 22feec23e53d..000000000000 --- a/tools/perf/arch/x86/tests/sample-parsing.c +++ /dev/null @@ -1,125 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include -#include -#include -#include -#include -#include -#include - -#include "event.h" -#include "evsel.h" -#include "debug.h" -#include "util/sample.h" -#include "util/synthetic-events.h" - -#include "tests/tests.h" -#include "arch-tests.h" - -#define COMP(m) do { \ - if (s1->m !=3D s2->m) { \ - pr_debug("Samples differ at '"#m"'\n"); \ - return false; \ - } \ -} while (0) - -static bool samples_same(const struct perf_sample *s1, - const struct perf_sample *s2, - u64 type) -{ - if (type & PERF_SAMPLE_WEIGHT_STRUCT) { - COMP(ins_lat); - COMP(weight3); - } - - return true; -} - -static int do_test(u64 sample_type) -{ - struct evsel evsel =3D { - .needs_swap =3D false, - .core =3D { - . attr =3D { - .sample_type =3D sample_type, - .read_format =3D 0, - }, - }, - }; - union perf_event *event; - struct perf_sample sample =3D { - .weight =3D 101, - .ins_lat =3D 102, - .weight3 =3D 103, - }; - struct perf_sample sample_out; - size_t i, sz, bufsz; - int err, ret =3D -1; - - sz =3D perf_event__sample_event_size(&sample, sample_type, 0); - bufsz =3D sz + 4096; /* Add a bit for overrun checking */ - event =3D malloc(bufsz); - if (!event) { - pr_debug("malloc failed\n"); - return -1; - } - - memset(event, 0xff, bufsz); - event->header.type =3D PERF_RECORD_SAMPLE; - event->header.misc =3D 0; - event->header.size =3D sz; - - err =3D perf_event__synthesize_sample(event, sample_type, 0, &sample); - if (err) { - pr_debug("%s failed for sample_type %#"PRIx64", error %d\n", - "perf_event__synthesize_sample", sample_type, err); - goto out_free; - } - - /* The data does not contain 0xff so we use that to check the size */ - for (i =3D bufsz; i > 0; i--) { - if (*(i - 1 + (u8 *)event) !=3D 0xff) - break; - } - if (i !=3D sz) { - pr_debug("Event size mismatch: actual %zu vs expected %zu\n", - i, sz); - goto out_free; - } - - evsel.sample_size =3D __evsel__sample_size(sample_type); - - err =3D evsel__parse_sample(&evsel, event, &sample_out); - if (err) { - pr_debug("%s failed for sample_type %#"PRIx64", error %d\n", - "evsel__parse_sample", sample_type, err); - goto out_free; - } - - if (!samples_same(&sample, &sample_out, sample_type)) { - pr_debug("parsing failed for sample_type %#"PRIx64"\n", - sample_type); - goto out_free; - } - - ret =3D 0; -out_free: - free(event); - - return ret; -} - -/** - * test__x86_sample_parsing - test X86 specific sample parsing - * - * This function implements a test that synthesizes a sample event, parses= it - * and then checks that the parsed sample matches the original sample. If = the - * test passes %0 is returned, otherwise %-1 is returned. - * - * For now, the PERF_SAMPLE_WEIGHT_STRUCT is the only X86 specific sample = type. - * The test only checks the PERF_SAMPLE_WEIGHT_STRUCT type. - */ -int test__x86_sample_parsing(struct test_suite *test __maybe_unused, int s= ubtest __maybe_unused) -{ - return do_test(PERF_SAMPLE_WEIGHT_STRUCT); -} diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-pa= rsing.c index 72411580f869..a7327c942ca2 100644 --- a/tools/perf/tests/sample-parsing.c +++ b/tools/perf/tests/sample-parsing.c @@ -152,6 +152,12 @@ static bool samples_same(struct perf_sample *s1, if (type & PERF_SAMPLE_WEIGHT) COMP(weight); =20 + if (type & PERF_SAMPLE_WEIGHT_STRUCT) { + COMP(weight); + COMP(ins_lat); + COMP(weight3); + } + if (type & PERF_SAMPLE_DATA_SRC) COMP(data_src); =20 @@ -269,6 +275,8 @@ static int do_test(u64 sample_type, u64 sample_regs, u6= 4 read_format) .cgroup =3D 114, .data_page_size =3D 115, .code_page_size =3D 116, + .ins_lat =3D 117, + .weight3 =3D 118, .aux_sample =3D { .size =3D sizeof(aux_data), .data =3D (void *)aux_data, @@ -439,6 +447,12 @@ static int test__sample_parsing(struct test_suite *tes= t __maybe_unused, int subt if (err) return err; } + sample_type =3D (PERF_SAMPLE_MAX - 1) & ~PERF_SAMPLE_WEIGHT_STRUCT; + for (i =3D 0; i < ARRAY_SIZE(rf); i++) { + err =3D do_test(sample_type, sample_regs, rf[i]); + if (err) + return err; + } =20 return 0; } --=20 2.50.0.727.gbf7dc18ff4-goog