From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757073Ab3KLUsN (ORCPT ); Tue, 12 Nov 2013 15:48:13 -0500 Received: from merlin.infradead.org ([205.233.59.134]:41952 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756125Ab3KLUqi (ORCPT ); Tue, 12 Nov 2013 15:46:38 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Namhyung Kim , Adrian Hunter , David Ahern , Frederic Weisbecker , Jiri Olsa , Mike Galbraith , Paul Mackerras , Peter Zijlstra , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 02/13] perf trace: Separate tp syscall field caching into init routine to be reused Date: Tue, 12 Nov 2013 17:46:07 -0300 Message-Id: <1384289178-31374-3-git-send-email-acme@infradead.org> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1384289178-31374-1-git-send-email-acme@infradead.org> References: <1384289178-31374-1-git-send-email-acme@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by merlin.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim We need to set this in evsels coming out of a perf.data file header, not just for new ones created for live sessions. So separate the code that caches the syscall entry/exit tracepoint format fields into a new function that will be used in the next changeset. Signed-off-by: Namhyung Kim Cc: Adrian Hunter Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/20131112115700.GC4053@ghostprotocols.net Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-trace.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index aeb6296a76bd..3fa1dce6d43e 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -149,20 +149,32 @@ static void perf_evsel__delete_priv(struct perf_evsel *evsel) perf_evsel__delete(evsel); } +static int perf_evsel__init_syscall_tp(struct perf_evsel *evsel, void *handler) +{ + evsel->priv = malloc(sizeof(struct syscall_tp)); + if (evsel->priv != NULL) { + if (perf_evsel__init_sc_tp_uint_field(evsel, id)) + goto out_delete; + + evsel->handler = handler; + return 0; + } + + return -ENOMEM; + +out_delete: + free(evsel->priv); + evsel->priv = NULL; + return -ENOENT; +} + static struct perf_evsel *perf_evsel__syscall_newtp(const char *direction, void *handler) { struct perf_evsel *evsel = perf_evsel__newtp("raw_syscalls", direction); if (evsel) { - evsel->priv = malloc(sizeof(struct syscall_tp)); - - if (evsel->priv == NULL) + if (perf_evsel__init_syscall_tp(evsel, handler)) goto out_delete; - - if (perf_evsel__init_sc_tp_uint_field(evsel, id)) - goto out_delete; - - evsel->handler = handler; } return evsel; -- 1.8.1.4