From nobody Mon Apr 13 15:52:28 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 62C82C4332F for ; Mon, 14 Nov 2022 07:52:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236070AbiKNHwO (ORCPT ); Mon, 14 Nov 2022 02:52:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44810 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236110AbiKNHwF (ORCPT ); Mon, 14 Nov 2022 02:52:05 -0500 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 782C718E2A for ; Sun, 13 Nov 2022 23:52:04 -0800 (PST) Received: by mail-yb1-xb4a.google.com with SMTP id h4-20020a5b02c4000000b006bc192d672bso9924412ybp.22 for ; Sun, 13 Nov 2022 23:52:04 -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=skjOcOVezhkNivzHdrlRJj9IRahl3h/VWNzo5hRIj2w30ZYRyRGjfWfsWLvsahiBzK TEnJ+26u6RFvrOCPo6OV4bihXGHHzAipuVWws+yB7a4NEACFZI2Q7dDlqmu6HYAIy1qa wONNR/kCNcjucqXIUpHaLv9wK4bY35su0XQUfN7U9WQ+x8e928GvxlpsO5S2ov3m23Ol v/2UXAyYNW+8yapyGvQjg93m7nzrSIKO6RzlOF7n76/SmP0tzX5F1rVsUv66I7RR1YO1 Y8bepBwfBkh3DS1sysq3x/XdOVR5mjE1mk/l/VQBJRmu6SYD+rnIKXEwOmli8N9iqYWT Wa/Q== 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=Nyqay2SP1sx5z8WWab7bX/ERhdYpDUcpBmoUlC/aG4/nEJ4lwB7pMJRIUDlNmHAezR r1rdLIgsxkiSI4s35rLKSoC0DvUM4bqbc3Y6aVRk5Tqjq68NB320PS1Euku5ZS8yrd84 CT8V0ScGX1zb/eJ5e/okoXyGg5rlpQUFyr7beUU17/gP9XWpnkjT52b4S4W02wxJvBJN sGslF8Ar4tGoDedihNhlzAYmVnPXt5LcqyVXq8rKiTFFZj7MyYYq896uJ73BhXLy8YBi gFwPEA91IDX6COdU5uMlkqv89qvmQm64t+AQTqcTdZvdvKOWFp8xgv+IlWiORqto7qpC Mtvg== X-Gm-Message-State: ANoB5plOF7D9KK/HcgoZG5fyABnkhGY4jQp8OIUKcaeuWF3rac4AUswA EeFCJ/hngAjkgxepYxF41OuIkVrR0j1X X-Google-Smtp-Source: AA0mqf7WN3Yxf6tqN8xl9/ktJuMPykKkIqFppU42Xdn3/s9U2LduWEUC6QQNBKgNDSup0fpzwljf+fEXGQe9 X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:cba6:8279:98e6:3d6e]) (user=irogers job=sendgmr) by 2002:a81:61d7:0:b0:383:e534:3a7a with SMTP id v206-20020a8161d7000000b00383e5343a7amr0ywb.24.1668412323327; Sun, 13 Nov 2022 23:52:03 -0800 (PST) Date: Sun, 13 Nov 2022 23:51:20 -0800 In-Reply-To: <20221114075127.2650315-1-irogers@google.com> Message-Id: <20221114075127.2650315-3-irogers@google.com> Mime-Version: 1.0 References: <20221114075127.2650315-1-irogers@google.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog Subject: [PATCH v1 2/9] 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