From nobody Thu Dec 18 08:37:35 2025 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 3C40DC7618E for ; Wed, 26 Apr 2023 07:04:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239815AbjDZHER (ORCPT ); Wed, 26 Apr 2023 03:04:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40118 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239769AbjDZHDe (ORCPT ); Wed, 26 Apr 2023 03:03:34 -0400 Received: from mail-yw1-x114a.google.com (mail-yw1-x114a.google.com [IPv6:2607:f8b0:4864:20::114a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E23EC3581 for ; Wed, 26 Apr 2023 00:02:44 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-5529a6f9f28so101470707b3.2 for ; Wed, 26 Apr 2023 00:02:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1682492557; x=1685084557; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=pGMhDh/Xxfc/617r/znj1e9S4uhjiiI/jhf4ibmGn/I=; b=FhKZ0DbW98MwDW0YYRBsJErMz6DD3KZB3q5XqWRRfggSzXjVsDbhf1nBN17cgMT4bj cpMm9pfQsbCSWHdFa+1SzDjDuMaiWZjrYLDHpkDJNeRaTdnF2HB9S956VcP/iEJ8+o3R KA23U2jsY/mZlYdg4AJhxyF/2zOAzV9vUUAVoK2QzhcjPT+qhhofQh0DxcJsePhv5bcx MMtqxDVJIwhctmaofnNPxZMOJOOOl0o0gP7fsKw2nUXXW8jseH05+zKAKWXGeX433JpL 0L3MydqE9IAuyp4Muf6R+jq/OuuTqmNjy3IIjKrC9UCHWfiNTgl8gYbOK4yjB4NMWuX4 FIKw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1682492557; x=1685084557; 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=pGMhDh/Xxfc/617r/znj1e9S4uhjiiI/jhf4ibmGn/I=; b=DuA+3GztQOrscXsTUMrP2Gfxoewv8G3/qvXtQLfi3QrNXTR25oGX4d7NmToLVD8hMb OmvCQwq136DiGhvW0yTjaK0Te0qh7xchObgbYITOl/U9ICwKDnw/SpcRVewp8xTDuHy+ bN+f/EgVKMt1OJh9VOv48G9LUeDQZDa+IMZUHVKeu311fOygjAoQTJL4+s39VMuRl74Q pX2EHqIzirce7WkcPB7QVHJ37CWgp81QlujwMhDfEm92kPaqcUcIpagSApRZXGYAntCt V4uVRt3+60ptwpYN67UfuvsFBxKVtGrNTOr6Fb8lW/mRzmcOx3WUXyJzLOPvot42m0iS 4v3Q== X-Gm-Message-State: AAQBX9dg6wu2aFGfMGnqSSikwsdDW1n2wTimqG1vUtpbsERo4mp3mueJ 74Llqpiu5n2o7dg7Jn0/YZ4WxgYKPuPj X-Google-Smtp-Source: AKy350bakCIOKOTTUH+ySM6QN5fHzmW7rOWqtxS5zVWWvQEvHYfEyG9m9mkU8RLrIUjIpMZbllarcMAar391 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:144f:e890:2b29:48d9]) (user=irogers job=sendgmr) by 2002:a81:4425:0:b0:552:d924:a304 with SMTP id r37-20020a814425000000b00552d924a304mr9106383ywa.4.1682492557276; Wed, 26 Apr 2023 00:02:37 -0700 (PDT) Date: Wed, 26 Apr 2023 00:00:22 -0700 In-Reply-To: <20230426070050.1315519-1-irogers@google.com> Message-Id: <20230426070050.1315519-13-irogers@google.com> Mime-Version: 1.0 References: <20230426070050.1315519-1-irogers@google.com> X-Mailer: git-send-email 2.40.1.495.gc816e09b53d-goog Subject: [PATCH v1 12/40] perf test: Roundtrip name, don't assume 1 event per name 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" Opening hardware names and a legacy cache event on a hybrid PMU opens it on each PMU. Parsing and checking indexes fails, as the parsed index is double the expected. Avoid checking the index by just comparing the names immediately after the parse. This change removes hard coded hybrid logic and removes assumptions about the expansion of an event. On hybrid the PMUs may or may not support an event and so using a distance isn't a consistent solution. Signed-off-by: Ian Rogers Tested-by: Kan Liang --- tools/perf/tests/evsel-roundtrip-name.c | 119 ++++++++++-------------- 1 file changed, 49 insertions(+), 70 deletions(-) diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evs= el-roundtrip-name.c index e94fed901992..15ff86f9da0b 100644 --- a/tools/perf/tests/evsel-roundtrip-name.c +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -4,114 +4,93 @@ #include "parse-events.h" #include "tests.h" #include "debug.h" -#include "pmu.h" -#include "pmu-hybrid.h" -#include #include =20 static int perf_evsel__roundtrip_cache_name_test(void) { - char name[128]; - int type, op, err =3D 0, ret =3D 0, i, idx; - struct evsel *evsel; - struct evlist *evlist =3D evlist__new(); + int ret =3D TEST_OK; =20 - if (evlist =3D=3D NULL) - return -ENOMEM; - - for (type =3D 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op =3D 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + for (int type =3D 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (int op =3D 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { /* skip invalid cache type */ if (!evsel__is_cache_op_valid(type, op)) continue; =20 - for (i =3D 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name)); - err =3D parse_event(evlist, name); - if (err) - ret =3D err; - } - } - } - - idx =3D 0; - evsel =3D evlist__first(evlist); + for (int res =3D 0; res < PERF_COUNT_HW_CACHE_RESULT_MAX; res++) { + char name[128]; + struct evlist *evlist =3D evlist__new(); + struct evsel *evsel; + int err; =20 - for (type =3D 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op =3D 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!evsel__is_cache_op_valid(type, op)) - continue; + if (evlist =3D=3D NULL) { + pr_debug("Failed to alloc evlist"); + return TEST_FAIL; + } + __evsel__hw_cache_type_op_res_name(type, op, res, + name, sizeof(name)); =20 - for (i =3D 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name)); - if (evsel->core.idx !=3D idx) + err =3D parse_event(evlist, name); + if (err) { + pr_debug("Failure to parse cache event '%s' possibly as PMUs don't su= pport it", + name); + evlist__delete(evlist); continue; - - ++idx; - - if (strcmp(evsel__name(evsel), name)) { - pr_debug("%s !=3D %s\n", evsel__name(evsel), name); - ret =3D -1; } - - evsel =3D evsel__next(evsel); + evlist__for_each_entry(evlist, evsel) { + if (strcmp(evsel__name(evsel), name)) { + pr_debug("%s !=3D %s\n", evsel__name(evsel), name); + ret =3D TEST_FAIL; + } + } + evlist__delete(evlist); } } } - - evlist__delete(evlist); return ret; } =20 -static int __perf_evsel__name_array_test(const char *const names[], int nr= _names, - int distance) +static int perf_evsel__name_array_test(const char *const names[], int nr_n= ames) { - int i, err; - struct evsel *evsel; - struct evlist *evlist =3D evlist__new(); + int ret =3D TEST_OK; =20 - if (evlist =3D=3D NULL) - return -ENOMEM; + for (int i =3D 0; i < nr_names; ++i) { + struct evlist *evlist =3D evlist__new(); + struct evsel *evsel; + int err; =20 - for (i =3D 0; i < nr_names; ++i) { + if (evlist =3D=3D NULL) { + pr_debug("Failed to alloc evlist"); + return TEST_FAIL; + } err =3D parse_event(evlist, names[i]); if (err) { pr_debug("failed to parse event '%s', err %d\n", names[i], err); - goto out_delete_evlist; + evlist__delete(evlist); + ret =3D TEST_FAIL; + continue; } - } - - err =3D 0; - evlist__for_each_entry(evlist, evsel) { - if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) { - --err; - pr_debug("%s !=3D %s\n", evsel__name(evsel), names[evsel->core.idx / di= stance]); + evlist__for_each_entry(evlist, evsel) { + if (strcmp(evsel__name(evsel), names[i])) { + pr_debug("%s !=3D %s\n", evsel__name(evsel), names[i]); + ret =3D TEST_FAIL; + } } + evlist__delete(evlist); } - -out_delete_evlist: - evlist__delete(evlist); - return err; + return ret; } =20 -#define perf_evsel__name_array_test(names, distance) \ - __perf_evsel__name_array_test(names, ARRAY_SIZE(names), distance) - static int test__perf_evsel__roundtrip_name_test(struct test_suite *test _= _maybe_unused, int subtest __maybe_unused) { - int err =3D 0, ret =3D 0; - - if (perf_pmu__has_hybrid() && perf_pmu__hybrid_mounted("cpu_atom")) - return perf_evsel__name_array_test(evsel__hw_names, 2); + int err =3D 0, ret =3D TEST_OK; =20 - err =3D perf_evsel__name_array_test(evsel__hw_names, 1); + err =3D perf_evsel__name_array_test(evsel__hw_names, PERF_COUNT_HW_MAX); if (err) ret =3D err; =20 - err =3D __perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMM= Y + 1, 1); + err =3D perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY = + 1); if (err) ret =3D err; =20 --=20 2.40.1.495.gc816e09b53d-goog