From patchwork Thu Oct 28 12:09:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 12589981 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EE31FC433EF for ; Thu, 28 Oct 2021 12:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9A11610F8 for ; Thu, 28 Oct 2021 12:09:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230315AbhJ1MLt (ORCPT ); Thu, 28 Oct 2021 08:11:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55418 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230299AbhJ1MLs (ORCPT ); Thu, 28 Oct 2021 08:11:48 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4A35C061570 for ; Thu, 28 Oct 2021 05:09:21 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id f8so2279720edy.4 for ; Thu, 28 Oct 2021 05:09:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=IPDQsRtAXSDRnHDQZgFADw+YNirUzbK2pV4QawNYHYs=; b=HZPLzGJhwFJV+jarTJ5U9P2QA8mwZ8yXrSGnAajqgdhBVbbUIa6wefhgIICGiYPbxo QDOjUVtbfOFgq/7DAWmcBQeNPePx6/e3IZpakONPnoCf5j7D9eS3CGr+utGI6GPPX/p8 NVUo4Vg2hIRguJ8MIPRHKk41OnoApy1izkNl4VfpCpcHGRtNwJbRuYvt1Mi3XJx5lIti r1g/xUGj8cwgMhAvlV42CptiLcOECo587bKRrBivIGtMtvUzDGhhYe+mu8FrCsfS60wH qzZ+YG2oHXyPBKrJbdSWGZHhIX5KQz3vwRciYHZJQrMh5KxeIZI2wD+YTaly+7jDwGaz sjww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=IPDQsRtAXSDRnHDQZgFADw+YNirUzbK2pV4QawNYHYs=; b=bwk3ep5FJWlTGHln2dLRbOzlgg6n8GUqdjzfAqsLtz6nZfzkyINkkYrq5D5TcEAz8e 57Vo3kAey7EVJJsoYs8X4ggjtwhRVgEnyzKtZSSFsJM3dVpC2SIgDaLImVNTgrU5r74m Q8X0zreXKQsebtBKuXHm0pv9XLWHEDg2Gn2rVtmQ2at34qwJHINaTWWYRqg4Xkt6bwSs gg0yhZnq/tJozrUYr8M4hNjJmOCq7jaPDLPkPTh02M7igNM3FNahZ0i0vP0PgFDP7lqa KLPD9uopLswZi/VhssnK+dVuNUanQ2YN2ROQv5Pj33ryeJDRSnaJg0F/d/uAG8lfGFsi M9tg== X-Gm-Message-State: AOAM533N4N+NGEAntyDMktwAUfvP/PNvzMuUT6PBrNmqPfIA8Kdazc+S 5CzIWWyp40n1CPNZGXSkjL+Kvq+Xg9mDqw== X-Google-Smtp-Source: ABdhPJzpPWCg4V6B7g4mWoHcfN6vUJnDgz28Mpz+BsUcTVh5UQtogGCSQc50goZJenP3aGdej4JrUw== X-Received: by 2002:a17:906:4c58:: with SMTP id d24mr4932343ejw.510.1635422960170; Thu, 28 Oct 2021 05:09:20 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id v6sm1803003edc.52.2021.10.28.05.09.19 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Oct 2021 05:09:19 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH 10/12] libtracefs: Rename tracefs_synth_init API Date: Thu, 28 Oct 2021 15:09:05 +0300 Message-Id: <20211028120907.101847-11-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211028120907.101847-1-tz.stoyanov@gmail.com> References: <20211028120907.101847-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org In order to be consistent with the others library APIs, the tracefs_synth_init() is renamed to tracefs_synth_alloc(). Signed-off-by: Tzvetomir Stoyanov (VMware) --- Documentation/libtracefs-synth.txt | 20 ++++++++++---------- Documentation/libtracefs-synth2.txt | 10 +++++----- include/tracefs.h | 18 +++++++++--------- src/tracefs-hist.c | 22 +++++++++++----------- src/tracefs-sqlhist.c | 6 +++--- 5 files changed, 38 insertions(+), 38 deletions(-) diff --git a/Documentation/libtracefs-synth.txt b/Documentation/libtracefs-synth.txt index 77076e1..2fd9019 100644 --- a/Documentation/libtracefs-synth.txt +++ b/Documentation/libtracefs-synth.txt @@ -3,7 +3,7 @@ libtracefs(3) NAME ---- -tracefs_synth_init, tracefs_synth_add_match_field, tracefs_synth_add_compare_field, tracefs_synth_add_start_field, +tracefs_synth_alloc, tracefs_synth_add_match_field, tracefs_synth_add_compare_field, tracefs_synth_add_start_field, tracefs_synth_add_end_field, tracefs_synth_append_start_filter, tracefs_synth_append_end_filter, tracefs_synth_free, - Creation of a synthetic event descriptor @@ -13,7 +13,7 @@ SYNOPSIS -- *#include * -struct tracefs_synth pass:[*]tracefs_synth_init(struct tep_handle pass:[*]tep, +struct tracefs_synth pass:[*]tracefs_synth_alloc(struct tep_handle pass:[*]tep, const char pass:[*]name, const char pass:[*]start_system, const char pass:[*]start_event, @@ -69,7 +69,7 @@ as a field for both events to calculate the delta in nanoseconds, or use *TRACEFS_TIMESTAMP_USECS" as the compare fields for both events to calculate the delta in microseconds. This is used as the example below. -*tracefs_synth_init*() allocates and initializes a synthetic event. +*tracefs_synth_alloc*() allocates and initializes a synthetic event. It does not create the synthetic event, but supplies the minimal information to do so. See *tracefs_synth_create*(3) for how to create the synthetic event in the system. It requires a _tep_ handler that can be created by @@ -156,11 +156,11 @@ _field_, _compare_, and _val_ are ignored unless _type_ is equal to filters on the ending event. *tracefs_synth_free*() frees the allocated descriptor returned by -*tracefs_synth_init*(). +*tracefs_synth_alloc*(). RETURN VALUE ------------ -*tracefs_synth_init*() returns an allocated struct tracefs_synth descriptor +*tracefs_synth_alloc*() returns an allocated struct tracefs_synth descriptor on sucess or NULL on error. All other functions that return an integer returns zero on success or -1 @@ -209,11 +209,11 @@ static void make_event(void) tep = tracefs_local_events(NULL); /* Initialize the synthetic event */ - synth = tracefs_synth_init(tep, "wakeup_lat", - NULL, start_event, - NULL, end_event, - start_field, end_field, - match_name); + synth = tracefs_synth_alloc(tep, "wakeup_lat", + NULL, start_event, + NULL, end_event, + start_field, end_field, + match_name); /* The tep is no longer needed */ tep_free(tep); diff --git a/Documentation/libtracefs-synth2.txt b/Documentation/libtracefs-synth2.txt index 4c44253..f734b44 100644 --- a/Documentation/libtracefs-synth2.txt +++ b/Documentation/libtracefs-synth2.txt @@ -142,11 +142,11 @@ static void make_event(void) tep = tracefs_local_events(NULL); /* Initialize the synthetic event */ - synth = tracefs_synth_init(tep, "wakeup_lat", - NULL, start_event, - NULL, end_event, - start_field, end_field, - match_name); + synth = tracefs_synth_alloc(tep, "wakeup_lat", + NULL, start_event, + NULL, end_event, + start_field, end_field, + match_name); /* The tep is no longer needed */ tep_free(tep); diff --git a/include/tracefs.h b/include/tracefs.h index c65f21f..418725e 100644 --- a/include/tracefs.h +++ b/include/tracefs.h @@ -472,15 +472,15 @@ enum tracefs_synth_handler { TRACEFS_SYNTH_HANDLE_CHANGE, }; -struct tracefs_synth *tracefs_synth_init(struct tep_handle *tep, - const char *name, - const char *start_system, - const char *start_event, - const char *end_system, - const char *end_event, - const char *start_match_field, - const char *end_match_field, - const char *match_name); +struct tracefs_synth *tracefs_synth_alloc(struct tep_handle *tep, + const char *name, + const char *start_system, + const char *start_event, + const char *end_system, + const char *end_event, + const char *start_match_field, + const char *end_match_field, + const char *match_name); int tracefs_synth_add_match_field(struct tracefs_synth *synth, const char *start_match_field, const char *end_match_field, diff --git a/src/tracefs-hist.c b/src/tracefs-hist.c index 27bab00..9009dba 100644 --- a/src/tracefs-hist.c +++ b/src/tracefs-hist.c @@ -692,7 +692,7 @@ static void action_free(struct action *action) * @synth: The tracefs_synth descriptor * * Frees the resources allocated for a @synth created with - * tracefs_synth_init(). It does not touch the system. That is, + * tracefs_synth_alloc(). It does not touch the system. That is, * any synthetic event created, will not be destroyed by this * function. */ @@ -890,7 +890,7 @@ synth_init_from(struct tep_handle *tep, const char *start_system, } /** - * tracefs_synth_init - create a new tracefs_synth instance + * tracefs_synth_alloc - create a new tracefs_synth instance * @tep: The tep handle that holds the events to work on * @name: The name of the synthetic event being created * @start_system: The name of the system of the start event (can be NULL) @@ -933,15 +933,15 @@ synth_init_from(struct tep_handle *tep, const char *start_system, * event on the system is not created. That needs to be done with * tracefs_synth_create(). */ -struct tracefs_synth *tracefs_synth_init(struct tep_handle *tep, - const char *name, - const char *start_system, - const char *start_event_name, - const char *end_system, - const char *end_event_name, - const char *start_match_field, - const char *end_match_field, - const char *match_name) +struct tracefs_synth *tracefs_synth_alloc(struct tep_handle *tep, + const char *name, + const char *start_system, + const char *start_event_name, + const char *end_system, + const char *end_event_name, + const char *start_match_field, + const char *end_match_field, + const char *match_name) { struct tep_event *end_event; struct tracefs_synth *synth; diff --git a/src/tracefs-sqlhist.c b/src/tracefs-sqlhist.c index d77ce86..016f3eb 100644 --- a/src/tracefs-sqlhist.c +++ b/src/tracefs-sqlhist.c @@ -1419,9 +1419,9 @@ static struct tracefs_synth *build_synth(struct tep_handle *tep, assign_match(start_system, start_event, match, &start_match, &end_match); - synth = tracefs_synth_init(tep, name, start_system, - start_event, end_system, end_event, - start_match, end_match, NULL); + synth = tracefs_synth_alloc(tep, name, start_system, + start_event, end_system, end_event, + start_match, end_match, NULL); if (!synth) return synth_init_error(tep, table);