From nobody Mon Apr 13 15:47:48 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 B152CC433FE for ; Mon, 14 Nov 2022 21:08:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237518AbiKNVId (ORCPT ); Mon, 14 Nov 2022 16:08:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44760 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237492AbiKNVIV (ORCPT ); Mon, 14 Nov 2022 16:08:21 -0500 Received: from mail-pj1-x104a.google.com (mail-pj1-x104a.google.com [IPv6:2607:f8b0:4864:20::104a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1E055BCBF for ; Mon, 14 Nov 2022 13:08:15 -0800 (PST) Received: by mail-pj1-x104a.google.com with SMTP id my9-20020a17090b4c8900b002130d29fd7cso10839437pjb.7 for ; Mon, 14 Nov 2022 13:08:15 -0800 (PST) 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:subject:date:message-id:reply-to; bh=Se2me6lbjg4dS4DNtZbL4NOOrQgzrO1DuLy7bKVPgtE=; b=pSM7kTnmOSbosw8Hcy1wsfrOJtWX0Vk4M1VXbCfpBsnal65+1d2sh4Bhl/sPSG3WjZ oRq//RYKeswTfgFYSJ4Nv7F1CorCaBz6F1obJiSvGR021sk3+MiS3J0CKDoAThtT7mNL c5XvgVjLnyw/ULU0aatlPRu9cxq7LW4TyrQHf9201uJ5GhHD/OrtslM86NlZo0FNpgY0 JcPC2nd67BGMddaSuKOAOFjPZjksyqaw2aj3O89nIhPVu/bl9Ccf1tqlOp2uQFr7akdO lj4Eu321mO/ZVaguwrY9uNagHeDPUAhFSZNIxiC1unT6sMrpC8hTQ/YF+wfl+wWOmNCc RtMg== 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:subject:date:message-id:reply-to; bh=Se2me6lbjg4dS4DNtZbL4NOOrQgzrO1DuLy7bKVPgtE=; b=E6FZ0JyQujwzh97ql+Hj9vlqe+3cvel5vp5d/CuibVlp0vm2ZGq4KNj3V00g48TjMO mq7F5Ogat1BYmSxS46AKo6dTfnekDxAfn/yE8A9I3Dv0764S+rO0+VsFCXvHMJtHALYY k08+z/nWWa2h20iTf1qCQz/7IjH6gE1h69LaOjgwoKOvitrkOHhN17HUYiV+ENbLf/g7 OhNJCvVee9W5kzC27+4N2g+MwtMSrz2Pck7He10D9J1/fHcU48qIsTMKRsoZNyHs4/5C 08YiFeW1k1RjmMuHGiVRHWwz8bQ9GvDIzHc3HfgWzzILxuwoA4dAsV8sFvzxy5bIlFqE Iaiw== X-Gm-Message-State: ANoB5pk+G4kTJ3DmFgtf9Lc3EpN5+TBxX8AcmBYmzozvGTXsSCe+T/rN uZVpEHDH9D5Wyo+jaf1fKcRTs3HdBs2R X-Google-Smtp-Source: AA0mqf6Z9g60XXYxfp7n+hZq20oXkSrKY1lCSw9Obhp7yu+rX+Z5SlNdIamZ+6QNg/KExsAVnRH1hkcLDMw5 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:553:438f:b86a:87f]) (user=irogers job=sendgmr) by 2002:aa7:8a41:0:b0:561:70b3:6a6 with SMTP id n1-20020aa78a41000000b0056170b306a6mr15444394pfa.25.1668460094565; Mon, 14 Nov 2022 13:08:14 -0800 (PST) Date: Mon, 14 Nov 2022 13:07:16 -0800 In-Reply-To: <20221114210723.2749751-1-irogers@google.com> Message-Id: <20221114210723.2749751-4-irogers@google.com> Mime-Version: 1.0 References: <20221114210723.2749751-1-irogers@google.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog Subject: [PATCH v3 03/10] tools lib api fs tracing_path: Add scandir alphasort From: Ian Rogers To: Weilin Wang , Perry Taylor , Caleb Biggers , Leo Yan , Adrian Hunter , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Sandipan Das , Kajol Jain , Zhengjun Xing , Kan Liang , Ravi Bangoria , Xin Gao , Rob Herring , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Stephane Eranian , 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" tracing_events__opendir allows iteration over files in /tracing/events but with an arbitrary sort order. Add a scandir alternative where the results are alphabetically sorted. Signed-off-by: Ian Rogers --- tools/lib/api/fs/tracing_path.c | 16 ++++++++++++++++ tools/lib/api/fs/tracing_path.h | 1 + 2 files changed, 17 insertions(+) diff --git a/tools/lib/api/fs/tracing_path.c b/tools/lib/api/fs/tracing_pat= h.c index 5afb11b30fca..b8e457c841ab 100644 --- a/tools/lib/api/fs/tracing_path.c +++ b/tools/lib/api/fs/tracing_path.c @@ -113,6 +113,22 @@ DIR *tracing_events__opendir(void) return dir; } =20 +int tracing_events__scandir_alphasort(struct dirent ***namelist) +{ + char *path =3D get_tracing_file("events"); + int ret; + + if (!path) { + *namelist =3D NULL; + return 0; + } + + ret =3D scandir(path, namelist, NULL, alphasort); + put_events_file(path); + + return ret; +} + int tracing_path__strerror_open_tp(int err, char *buf, size_t size, const char *sys, const char *name) { diff --git a/tools/lib/api/fs/tracing_path.h b/tools/lib/api/fs/tracing_pat= h.h index a19136b086dc..fc6347c11deb 100644 --- a/tools/lib/api/fs/tracing_path.h +++ b/tools/lib/api/fs/tracing_path.h @@ -6,6 +6,7 @@ #include =20 DIR *tracing_events__opendir(void); +int tracing_events__scandir_alphasort(struct dirent ***namelist); =20 void tracing_path_set(const char *mountpoint); const char *tracing_path_mount(void); --=20 2.38.1.431.g37b22c650d-goog