From mboxrd@z Thu Jan 1 00:00:00 1970 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 B3209C433FE for ; Mon, 14 Nov 2022 21:08:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237481AbiKNVI3 (ORCPT ); Mon, 14 Nov 2022 16:08:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237480AbiKNVIV (ORCPT ); Mon, 14 Nov 2022 16:08:21 -0500 Received: from mail-pg1-x549.google.com (mail-pg1-x549.google.com [IPv6:2607:f8b0:4864:20::549]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1DF9B647B for ; Mon, 14 Nov 2022 13:08:15 -0800 (PST) Received: by mail-pg1-x549.google.com with SMTP id k16-20020a635a50000000b0042986056df6so6326670pgm.2 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=i0cDZpV9DQdvoLTNejJEW7FcjlLx0V44e+J49VxWXMq+dQRob6rTT8R8mO6yqvc9dK ae0KjCQEAT8cXh0BVilsWqgJ6p4q3b0vlBNLdsNdG2YQPL/XLbdH5YlNpKvRxVpT0wOj 8QWodeBJ3uViFwYADRCawuC9PfIA319bo+USvk7JErlFqPjt5FsLkEB094cAzLK6y2L0 3S0RAbszFuXe+Mqo2VtL8xqw47OK6vS+MVl0+WcLS9GhMbVIT63FxQI5ypYHlH7QSYvK wSzeGFESpIEns9S2B3nOD+TwkcVCpECoGROSA+dMMfCN+ubYaTHf5VvB2NDohLc3iHCL yMNQ== X-Gm-Message-State: ANoB5pmyP7+Ra2N4NbYQx4Cm63QuNtmc1fuXvTd+8gHeXAR80ofc8Uwt ehzn8PcCeR4Vetufjqj8SOo6T1KwMDy9 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org 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_path.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; } +int tracing_events__scandir_alphasort(struct dirent ***namelist) +{ + char *path = get_tracing_file("events"); + int ret; + + if (!path) { + *namelist = NULL; + return 0; + } + + ret = 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_path.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 DIR *tracing_events__opendir(void); +int tracing_events__scandir_alphasort(struct dirent ***namelist); void tracing_path_set(const char *mountpoint); const char *tracing_path_mount(void); -- 2.38.1.431.g37b22c650d-goog