From nobody Tue Apr 7 16:28:39 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 20988ECAAA3 for ; Fri, 26 Aug 2022 16:44:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344385AbiHZQoH (ORCPT ); Fri, 26 Aug 2022 12:44:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34114 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344687AbiHZQnZ (ORCPT ); Fri, 26 Aug 2022 12:43:25 -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 F2330E01F4 for ; Fri, 26 Aug 2022 09:43:21 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-33dd097f993so33823497b3.10 for ; Fri, 26 Aug 2022 09:43:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc; bh=piFbI+N6ifodUssf6WWN9myKJ56nTyFL5MKGVcy1SIc=; b=oOTDnYkPox9n4dsRhelTrPGHGRLMEt6deTizLhz5ofmR+ooyIHLjFb758aN7XxeLyG mHElOGWQf3BuNkN8x3H2oZCTNs1m0D6ZX+FU1E5wVWKdsYEUf2kRi8EjLcXbLirQ4gHK Uoc+jySNEJmZFEgzlg0UTdE0K6mfDjJqyRoIoA61S7cXRsPHKutQMrUK1qSYhqfDVO+u GLZ4Tju4FfrS8seygSJX/JA23Htiq/BHSZYMK0UF5tZfbRCGBv1YJ8G0ieGtqTsD4PsB YsBRKb+kvtauhwZ+C6VHGIRgAdS0MuDIdx85It4XvLwuyCs91J2ETHROY0bsF8xzey5A qtUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc; bh=piFbI+N6ifodUssf6WWN9myKJ56nTyFL5MKGVcy1SIc=; b=Zq+kfcorPt2gZ5IAXp81pft5zVWi876X7vz6R8ht/nW5Xh8g17uY1Tdq1i3CsruW6v P7rlc6JN1en8rSnTipAb4FyhrwTxGrDjntvSfijbCcfJD4tigp84CIPZWFQH5ji85Imv 866UP2tday8ZproLwZMIBZJcS8yWN6D3gJjVbWCZqLI73sLnw4sma9LVxMkrsG9A9xrK 4HVAERqxffqAUIVJGfudK3JcZ1wCtNqtQSz59+j1Z72JXtuslLv+7tXCZk79UYwJdlvm jWoQlYlwGE76mHIOvoG9JoVZKt3G6zFC+qtsOD5duqiGjisus3atedKmMZRoyCpbNlfU Unvg== X-Gm-Message-State: ACgBeo0a8JoAr7dSh39g+/b2XJzaWozC2OzWqXSs1pjtozAGEk05lzdg Jl/TwczvqNRuc6qy/LWziS2hE/7r+QXj X-Google-Smtp-Source: AA6agR79l5tuhoTcDP4BLbWyfZ0xNMgzVMVpetYezd/5Wb9TiKNEL9VdQKZl8bhay/NuyiZiUoNpISpBNc4U X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:ccb1:c46b:7044:2508]) (user=irogers job=sendgmr) by 2002:a81:6103:0:b0:333:67b3:3558 with SMTP id v3-20020a816103000000b0033367b33558mr592131ywb.128.1661532199972; Fri, 26 Aug 2022 09:43:19 -0700 (PDT) Date: Fri, 26 Aug 2022 09:42:28 -0700 In-Reply-To: <20220826164242.43412-1-irogers@google.com> Message-Id: <20220826164242.43412-5-irogers@google.com> Mime-Version: 1.0 References: <20220826164242.43412-1-irogers@google.com> X-Mailer: git-send-email 2.37.2.672.g94769d06f0-goog Subject: [PATCH v4 04/18] perf hist: Update use of pthread mutex From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Thomas Gleixner , Darren Hart , Davidlohr Bueso , "=?UTF-8?q?Andr=C3=A9=20Almeida?=" , Nathan Chancellor , Nick Desaulniers , Tom Rix , Weiguo Li , Athira Rajeev , Thomas Richter , Ravi Bangoria , Dario Petrillo , Hewenliang , yaowenbin , Wenyu Liu , Song Liu , Andrii Nakryiko , Dave Marchevsky , Leo Yan , Kim Phillips , Pavithra Gurushankar , Alexandre Truong , Quentin Monnet , William Cohen , Andres Freund , Adrian Hunter , "=?UTF-8?q?Martin=20Li=C5=A1ka?=" , Colin Ian King , James Clark , Fangrui Song , Stephane Eranian , Kajol Jain , Alexey Bayduraev , Riccardo Mancini , Andi Kleen , Masami Hiramatsu , Zechuan Chen , Jason Wang , Christophe JAILLET , Remi Bernon , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, bpf@vger.kernel.org, llvm@lists.linux.dev 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" Switch to the use of mutex wrappers that provide better error checking. Signed-off-by: Ian Rogers --- tools/perf/builtin-top.c | 8 ++++---- tools/perf/util/hist.c | 6 +++--- tools/perf/util/hist.h | 4 ++-- 3 files changed, 9 insertions(+), 9 deletions(-) diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index fd8fd913c533..14e60f6f219c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -220,7 +220,7 @@ static void perf_top__record_precise_ip(struct perf_top= *top, * This function is now called with he->hists->lock held. * Release it before going to sleep. */ - pthread_mutex_unlock(&he->hists->lock); + mutex_unlock(&he->hists->lock); =20 if (err =3D=3D -ERANGE && !he->ms.map->erange_warned) ui__warn_map_erange(he->ms.map, sym, ip); @@ -230,7 +230,7 @@ static void perf_top__record_precise_ip(struct perf_top= *top, sleep(1); } =20 - pthread_mutex_lock(&he->hists->lock); + mutex_lock(&he->hists->lock); } } =20 @@ -836,12 +836,12 @@ static void perf_event__process_sample(struct perf_to= ol *tool, else iter.ops =3D &hist_iter_normal; =20 - pthread_mutex_lock(&hists->lock); + mutex_lock(&hists->lock); =20 if (hist_entry_iter__add(&iter, &al, top->max_stack, top) < 0) pr_err("Problem incrementing symbol period, skipping event\n"); =20 - pthread_mutex_unlock(&hists->lock); + mutex_unlock(&hists->lock); } =20 addr_location__put(&al); diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 1c085ab56534..698add038cec 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1622,13 +1622,13 @@ struct rb_root_cached *hists__get_rotate_entries_in= (struct hists *hists) { struct rb_root_cached *root; =20 - pthread_mutex_lock(&hists->lock); + mutex_lock(&hists->lock); =20 root =3D hists->entries_in; if (++hists->entries_in > &hists->entries_in_array[1]) hists->entries_in =3D &hists->entries_in_array[0]; =20 - pthread_mutex_unlock(&hists->lock); + mutex_unlock(&hists->lock); =20 return root; } @@ -2805,7 +2805,7 @@ int __hists__init(struct hists *hists, struct perf_hp= p_list *hpp_list) hists->entries_in =3D &hists->entries_in_array[0]; hists->entries_collapsed =3D RB_ROOT_CACHED; hists->entries =3D RB_ROOT_CACHED; - pthread_mutex_init(&hists->lock, NULL); + mutex_init(&hists->lock); hists->socket_filter =3D -1; hists->hpp_list =3D hpp_list; INIT_LIST_HEAD(&hists->hpp_formats); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 7ed4648d2fc2..508428b2c1b2 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -4,10 +4,10 @@ =20 #include #include -#include #include "evsel.h" #include "color.h" #include "events_stats.h" +#include "mutex.h" =20 struct hist_entry; struct hist_entry_ops; @@ -98,7 +98,7 @@ struct hists { const struct dso *dso_filter; const char *uid_filter_str; const char *symbol_filter_str; - pthread_mutex_t lock; + struct mutex lock; struct hists_stats stats; u64 event_stream; u16 col_len[HISTC_NR_COLS]; --=20 2.37.2.672.g94769d06f0-goog