From nobody Tue Apr 7 16:29:00 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 4D253ECAAD7 for ; Fri, 26 Aug 2022 16:46:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344833AbiHZQqY (ORCPT ); Fri, 26 Aug 2022 12:46:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33962 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344421AbiHZQpr (ORCPT ); Fri, 26 Aug 2022 12:45:47 -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 1B36712AEB for ; Fri, 26 Aug 2022 09:44:54 -0700 (PDT) Received: by mail-yw1-x114a.google.com with SMTP id 00721157ae682-335ff2ef600so33235747b3.18 for ; Fri, 26 Aug 2022 09:44:54 -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=oUmOqsD5kNY3uiPBG3PIXYxy0Y1/hD+f3VoRJWg9Hxo=; b=l/qcbZC3RAYS3zFxyNjj12e+O4lcrnJ7FV4xL7kvxiHF8Mx2n3ltWCkXys/11dJGt1 ZtiUxresfuHCdlis/U5NZwCCkzDNg0/Hv2cny+WESdnGvvgCEfYe3x6jQ4dLnRR6bq1j ACcmaYPV3BGgwcp3616UOPVQmhwjCsvNK4hIKe5IM33LgXZeCFzT9f2I680xt43MkmGd I94cqzVZ31/U8I2k/8DGZcC2ePOaSWILMAP1/8YraEkEtg7WGDRTvas1iqlPTezPmt1B CgtD6rFxz42PxG8sZJiLdGA+qbsNV5SNGqePaqtEq0vEj7gxVeOxLKrb+hti3xPiYmBv PYrg== 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=oUmOqsD5kNY3uiPBG3PIXYxy0Y1/hD+f3VoRJWg9Hxo=; b=ZylCASXG47PMK/PElNfw5IsFGdn1kvUJQsiBcaVdwZDmUpWCOyqDE7PHmEkAU5d21b S0/c81ARZ/F8uNJ+nsidR40xaNW51GfscR3/jLCVWuUH6a6Vyq4LsI7xcK4o2opEyrmi YDZBJ9XXi/EtcBBEBZisAqFo+Y6P2KNc1v2iMJUXIGeA+PpCOD8Ogrt4TbGb/hmtXt+E 4ALIwHHgwKAwPxH836L3IotG9/As69IBvDfRVeaUYDDBsQRA/ZNIlvbUVfDUwfdkXcPV qbvFKScMTPLzNu54nMSnrq9ZcrkRkc3yrFrbSLjtE+0oI3cb9KwtgfJbN57zxYNGCrUH 8iQg== X-Gm-Message-State: ACgBeo1ecipKev9Q/3Eu6pg86bsolJhIBYx02ef6jhsOjn1sixXYhZQK o8P13nJ9/noL4tUVWIdcHD38O4tWRih8 X-Google-Smtp-Source: AA6agR5vPhlcXqUl7fZdTgvl9EUqkClaIWVlom6e43OfIEN+lpPk+r9wbUuWqYy6Bba8U5JO6BpI/71vkiYR X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:ccb1:c46b:7044:2508]) (user=irogers job=sendgmr) by 2002:a25:cc4:0:b0:67c:228d:284 with SMTP id 187-20020a250cc4000000b0067c228d0284mr480023ybm.247.1661532293697; Fri, 26 Aug 2022 09:44:53 -0700 (PDT) Date: Fri, 26 Aug 2022 09:42:35 -0700 In-Reply-To: <20220826164242.43412-1-irogers@google.com> Message-Id: <20220826164242.43412-12-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 11/18] perf dso: 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/util/dso.c | 12 ++++++------ tools/perf/util/dso.h | 4 ++-- tools/perf/util/symbol.c | 4 ++-- 3 files changed, 10 insertions(+), 10 deletions(-) diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c index 5ac13958d1bd..a9789a955403 100644 --- a/tools/perf/util/dso.c +++ b/tools/perf/util/dso.c @@ -795,7 +795,7 @@ dso_cache__free(struct dso *dso) struct rb_root *root =3D &dso->data.cache; struct rb_node *next =3D rb_first(root); =20 - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); while (next) { struct dso_cache *cache; =20 @@ -804,7 +804,7 @@ dso_cache__free(struct dso *dso) rb_erase(&cache->rb_node, root); free(cache); } - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); } =20 static struct dso_cache *__dso_cache__find(struct dso *dso, u64 offset) @@ -841,7 +841,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *ne= w) struct dso_cache *cache; u64 offset =3D new->offset; =20 - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); while (*p !=3D NULL) { u64 end; =20 @@ -862,7 +862,7 @@ dso_cache__insert(struct dso *dso, struct dso_cache *ne= w) =20 cache =3D NULL; out: - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); return cache; } =20 @@ -1297,7 +1297,7 @@ struct dso *dso__new_id(const char *name, struct dso_= id *id) dso->root =3D NULL; INIT_LIST_HEAD(&dso->node); INIT_LIST_HEAD(&dso->data.open_entry); - pthread_mutex_init(&dso->lock, NULL); + mutex_init(&dso->lock); refcount_set(&dso->refcnt, 1); } =20 @@ -1336,7 +1336,7 @@ void dso__delete(struct dso *dso) dso__free_a2l(dso); zfree(&dso->symsrc_filename); nsinfo__zput(dso->nsinfo); - pthread_mutex_destroy(&dso->lock); + mutex_destroy(&dso->lock); free(dso); } =20 diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h index 66981c7a9a18..58d94175e714 100644 --- a/tools/perf/util/dso.h +++ b/tools/perf/util/dso.h @@ -2,7 +2,6 @@ #ifndef __PERF_DSO #define __PERF_DSO =20 -#include #include #include #include @@ -11,6 +10,7 @@ #include #include #include "build-id.h" +#include "mutex.h" =20 struct machine; struct map; @@ -145,7 +145,7 @@ struct dso_cache { struct auxtrace_cache; =20 struct dso { - pthread_mutex_t lock; + struct mutex lock; struct list_head node; struct rb_node rb_node; /* rbtree node sorted by long name */ struct rb_root *root; /* root of rbtree that rb_node is in */ diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index a4b22caa7c24..656d9b4dd456 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1800,7 +1800,7 @@ int dso__load(struct dso *dso, struct map *map) } =20 nsinfo__mountns_enter(dso->nsinfo, &nsc); - pthread_mutex_lock(&dso->lock); + mutex_lock(&dso->lock); =20 /* check again under the dso->lock */ if (dso__loaded(dso)) { @@ -1964,7 +1964,7 @@ int dso__load(struct dso *dso, struct map *map) ret =3D 0; out: dso__set_loaded(dso); - pthread_mutex_unlock(&dso->lock); + mutex_unlock(&dso->lock); nsinfo__mountns_exit(&nsc); =20 return ret; --=20 2.37.2.672.g94769d06f0-goog