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 X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7BF7C433E7 for ; Fri, 9 Oct 2020 14:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D2A722267 for ; Fri, 9 Oct 2020 14:03:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lht4XK9P" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731820AbgJIODt (ORCPT ); Fri, 9 Oct 2020 10:03:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49330 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729045AbgJIODt (ORCPT ); Fri, 9 Oct 2020 10:03:49 -0400 Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AD069C0613D2 for ; Fri, 9 Oct 2020 07:03:48 -0700 (PDT) Received: by mail-ej1-x629.google.com with SMTP id t25so13184539ejd.13 for ; Fri, 09 Oct 2020 07:03:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=m8EODmOObj5hq8GGBMpIQngPSwLhMeE4S33NXmLIPeM=; b=lht4XK9Pwx2OsJf/Zx7IaXjcTK3MWg5GQwO/ClypKZI/ER2iVkt3LH3DBehmz5ocds 0v8wNhzWGW9KYEh4qomsx43fbbgZiWXq6IJeZHGTOvXhjzRi7WISdly9CM8FNU71sOFR y1LeZ92tLbVLRfoNdp6sd2puXgXoDp4jC/zwJDZ3XagSi5RnRlf2/MMDdqwJqzfRslaH 49jvil4pNgoWW+nZ6iTpNc/YJdYIHrN8HmyBb+QUzFS0VwhfJAe08DsH1MCTowQIKfUI D88IqJjd2MDxZgYuP2nPpQKbTkqW4u3g98BoKN03PWmEAHX7IvWnGKZ+eqzB49ZoTYh5 ZIxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=m8EODmOObj5hq8GGBMpIQngPSwLhMeE4S33NXmLIPeM=; b=UK1dfZg/3Is6/FalauxTM5hFvJ2WhN90wg8msnI5rzyJ+60yLrKAOnx2FUg/cKJUdX hTy6anrNld7d5L0pmGufvadWIz3C3EJnPUPllf5oOPa3FmShgtcxWLkKDJz6cqriGKht rfOP2EKU+hUwiLvaArOz1Ud4i/KzH4u5+sHJExQBTM1pesx6qVSSz6KMeFsZAviVbM7T yTD87ZQaTpvCtcB5+mSmu+gHiTz3qa10m0sBIbgPuVA0F/dfTI8IywrXUFZI47PllfQI PrA35+BzBMtcVggZSNQBjmZkjgjvrWWEw7Wei+YwwteqNtEzwKQnBTdxZLyjgJAoW2nQ KRIA== X-Gm-Message-State: AOAM531cHBIr7MkFDNd1utLSZfh1U7j3ahlvfn+PLMNymi8IEXO1h05c oLIOxn+os3/kl+CENURS9VkbBIXgl2X8bHpO X-Google-Smtp-Source: ABdhPJzTTa91OKk/75e7U21pePxcR2lpaF6WMlweWcGofgLhXlo4p33w3rDd1CW495BEw2SXhJ5A/g== X-Received: by 2002:a17:906:7fd7:: with SMTP id r23mr2226011ejs.310.1602252227280; Fri, 09 Oct 2020 07:03:47 -0700 (PDT) Received: from localhost.localdomain ([151.251.253.218]) by smtp.gmail.com with ESMTPSA id ck19sm6362483ejb.99.2020.10.09.07.03.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2020 07:03:46 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v24 03/10] trace-cmd: Add trace-cmd library APIs for ftrace clock name Date: Fri, 9 Oct 2020 17:03:31 +0300 Message-Id: <20201009140338.25260-4-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201009140338.25260-1-tz.stoyanov@gmail.com> References: <20201009140338.25260-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Added enum with ftrace clock IDs and APIs to convert ftrace name to ID and vice versa, as part of libtracecmd. Signed-off-by: Tzvetomir Stoyanov (VMware) --- include/trace-cmd/trace-cmd.h | 16 +++++++++++++ lib/trace-cmd/trace-util.c | 45 +++++++++++++++++++++++++++++++++++ 2 files changed, 61 insertions(+) diff --git a/include/trace-cmd/trace-cmd.h b/include/trace-cmd/trace-cmd.h index f9c1f843..393a2e7b 100644 --- a/include/trace-cmd/trace-cmd.h +++ b/include/trace-cmd/trace-cmd.h @@ -415,6 +415,22 @@ int tracecmd_msg_recv_time_sync(struct tracecmd_msg_handle *msg_handle, unsigned int *sync_msg_id, unsigned int *payload_size, char **payload); +enum tracecmd_clocks { + TRACECMD_CLOCK_UNKNOWN = 0, + TRACECMD_CLOCK_LOCAL = 1, + TRACECMD_CLOCK_GLOBAL = 1 << 1, + TRACECMD_CLOCK_COUNTER = 1 << 2, + TRACECMD_CLOCK_UPTIME = 1 << 3, + TRACECMD_CLOCK_PERF = 1 << 4, + TRACECMD_CLOCK_MONO = 1 << 5, + TRACECMD_CLOCK_MONO_RAW = 1 << 6, + TRACECMD_CLOCK_BOOT = 1 << 7, + TRACECMD_CLOCK_X86_TSC = 1 << 8 +}; + +enum tracecmd_clocks tracecmd_clock_str2id(const char *clock); +char *tracecmd_clock_id2str(enum tracecmd_clocks clock); + /* --- Timestamp synchronization --- */ enum{ diff --git a/lib/trace-cmd/trace-util.c b/lib/trace-cmd/trace-util.c index 0ead96ea..e20362e3 100644 --- a/lib/trace-cmd/trace-util.c +++ b/lib/trace-cmd/trace-util.c @@ -33,6 +33,51 @@ static bool debug; static FILE *logfp; +const static struct { + char *clock_str; + enum tracecmd_clocks clock_id; +} trace_clocks[] = { + {"local", TRACECMD_CLOCK_LOCAL}, + {"global", TRACECMD_CLOCK_GLOBAL}, + {"counter", TRACECMD_CLOCK_COUNTER}, + {"uptime", TRACECMD_CLOCK_UPTIME}, + {"perf", TRACECMD_CLOCK_PERF}, + {"mono", TRACECMD_CLOCK_MONO}, + {"mono_raw", TRACECMD_CLOCK_MONO_RAW}, + {"boot", TRACECMD_CLOCK_BOOT}, + {"x86-tsc", TRACECMD_CLOCK_X86_TSC}, + {NULL, -1} +}; + +/** + * tracecmd_clock_str2id - Convert ftrace clock name to clock ID + * @clock: Ftrace clock name + * Returns ID of the ftrace clock + */ +enum tracecmd_clocks tracecmd_clock_str2id(const char *clock) +{ + for (int i = 0; trace_clocks[i].clock_str; i++) { + if (!strncmp(clock, trace_clocks[i].clock_str, + strlen(trace_clocks[i].clock_str))) + return trace_clocks[i].clock_id; + } + return TRACECMD_CLOCK_UNKNOWN; +} + +/** + * tracecmd_clock_id2str - Convert clock ID to ftare clock name + * @clock: Clock ID + * Returns name of a ftrace clock + */ +char *tracecmd_clock_id2str(enum tracecmd_clocks clock) +{ + for (int i = 0; trace_clocks[i].clock_str; i++) { + if (trace_clocks[i].clock_id == clock) + return trace_clocks[i].clock_str; + } + return NULL; +} + /** * tracecmd_set_debug - Set debug mode of the tracecmd library * @set_debug: The new "debug" mode. If true, the tracecmd library is -- 2.26.2