From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yb1-f202.google.com (mail-yb1-f202.google.com [209.85.219.202]) (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 C15A910E7 for ; Fri, 31 Mar 2023 00:49:39 +0000 (UTC) Received: by mail-yb1-f202.google.com with SMTP id w5-20020a253005000000b00aedd4305ff2so20602187ybw.13 for ; Thu, 30 Mar 2023 17:49:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680223779; h=to:from:subject:references:mime-version:message-id:in-reply-to:date :from:to:cc:subject:date:message-id:reply-to; bh=ZjS2ubyipVi2ZMDZ77od8b4DQTs3LsPG+UyJYia9quE=; b=Z3sRXpowh/3nWuTnA9ABQqlwKz9e/xaBcX8rB1G+JuHoqvIkDMhppRkNVRu2bUEHZD DcC346N6icjGxjlxtlLeXPBaAoXHoIDXDh/8n1hZk1rYidPWX5OaeuTCkDt50Bv0q+Lu 80Xjxt8eqOOsrqHIuSE0bNDLJRDkZXu6yTVVZ62h9kqTeGsLVb9Yo0Ov9CtNO8orwV9A 0LmbNG+Wz6nzzMPQ19TvVwytQedxgKy0Nm7IRaiblHe2QebEnrZhCIxN1WOuvKyBciAi d/wPJXHFQHM9MVHHwCPIjIIKK7gCJj02pIeZBIQipfsYZR+VBL4ws1tnoHf+kPTyKWXD gnRA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680223779; h=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=ZjS2ubyipVi2ZMDZ77od8b4DQTs3LsPG+UyJYia9quE=; b=oAWJfYHQB4ILkuP0iK0A+2cbPv4S+FW81xxSabLpPONvVzCyUb/BL1KTMhRJj/uwFg +wR9gpKk/TXuqs5USLEmdthF9XhkjGk9b2lzaXiq6n0kq7W5401JnA9rwbuJL5v560KR M0SKui/WLwVzGWhuuIEQzpvhj+Efburyj+UpqhOECxeaGvjzgPzjMfk9jCRY4RULjtjP KugitW9QKoqm7BMfVm3r2KnXi/WSFsEvZGvRCDs3g2Ws3j/KfCxeRvmCw9iRDCzUEFE1 JtDbbKGfJ4+fCIzk/gqSKd6jF5WVAiTVYigLQQ8U5/1gTvBRbx9R54nbRGkwlf7LYVa8 lqaw== X-Gm-Message-State: AAQBX9cFRT2RwOs8RrZtUQnCszt6Lqk5r5rEZ91zaIvfg7E/Zehdn/Nq N5dv7epUvfCs1GSSWMO3jRXDHnwFe4dI X-Google-Smtp-Source: AKy350a3m5BHFnMmj6UwcvTHHQb2LbUjX3nn1IHOfBofEyRM+5fd1eyYoe8wYYAs+1wdFn70nEN5YmCfcHDW X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:11ea:eb75:e48c:2c04]) (user=irogers job=sendgmr) by 2002:a81:ac64:0:b0:545:6106:5334 with SMTP id z36-20020a81ac64000000b0054561065334mr12667656ywj.8.1680223779432; Thu, 30 Mar 2023 17:49:39 -0700 (PDT) Date: Thu, 30 Mar 2023 17:48:44 -0700 In-Reply-To: <20230331004844.1592789-1-irogers@google.com> Message-Id: <20230331004844.1592789-5-irogers@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20230331004844.1592789-1-irogers@google.com> X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Subject: [PATCH v1 4/4] perf srcline: Avoid addr2line SIGPIPEs From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Ian Rogers , Adrian Hunter , Nathan Chancellor , Nick Desaulniers , Tom Rix , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, llvm@lists.linux.dev Content-Type: text/plain; charset="UTF-8" Ignore SIGPIPEs when addr2line is configured. Signed-off-by: Ian Rogers --- tools/perf/util/srcline.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index 423ddf3967b0..bc3e48afe054 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -473,6 +473,8 @@ static enum a2l_style addr2line_configure(struct child_process *a2l) ch = io__get_char(&io); } while (ch > 0 && ch != '\n'); } + /* Ignore SIGPIPE in the event addr2line exits. */ + signal(SIGPIPE, SIG_IGN); } return style; } -- 2.40.0.348.gf938b09366-goog