From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932100AbcCGTpx (ORCPT ); Mon, 7 Mar 2016 14:45:53 -0500 Received: from bombadil.infradead.org ([198.137.202.9]:40747 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753502AbcCGTpf (ORCPT ); Mon, 7 Mar 2016 14:45:35 -0500 From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, Adrian Hunter , Jiri Olsa , Stephane Eranian , Arnaldo Carvalho de Melo Subject: [PATCH 04/15] perf jit: Let jit_process() return errors Date: Mon, 7 Mar 2016 16:44:40 -0300 Message-Id: <1457379891-28516-5-git-send-email-acme@kernel.org> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1457379891-28516-1-git-send-email-acme@kernel.org> References: <1457379891-28516-1-git-send-email-acme@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.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: Adrian Hunter In preparation for moving clockid validation into jit_process(). Previously a return value of zero meant the processing had been done and non-zero meant either the processing was not done (i.e. not the jitdump file mmap event) or an error occurred. Change it so that zero means the processing was not done, one means the processing was done and successful, and negative values are an error. Signed-off-by: Adrian Hunter Cc: Jiri Olsa Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1457005856-6143-5-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-inject.c | 16 ++++++++++++---- tools/perf/util/jitdump.c | 6 ++++-- 2 files changed, 16 insertions(+), 6 deletions(-) diff --git a/tools/perf/builtin-inject.c b/tools/perf/builtin-inject.c index c6a4f2f94ab1..2512d71ca386 100644 --- a/tools/perf/builtin-inject.c +++ b/tools/perf/builtin-inject.c @@ -253,12 +253,16 @@ static int perf_event__jit_repipe_mmap(struct perf_tool *tool, { struct perf_inject *inject = container_of(tool, struct perf_inject, tool); u64 n = 0; + int ret; /* * if jit marker, then inject jit mmaps and generate ELF images */ - if (!jit_process(inject->session, &inject->output, machine, - event->mmap.filename, sample->pid, &n)) { + ret = jit_process(inject->session, &inject->output, machine, + event->mmap.filename, sample->pid, &n); + if (ret < 0) + return ret; + if (ret) { inject->bytes_written += n; return 0; } @@ -287,12 +291,16 @@ static int perf_event__jit_repipe_mmap2(struct perf_tool *tool, { struct perf_inject *inject = container_of(tool, struct perf_inject, tool); u64 n = 0; + int ret; /* * if jit marker, then inject jit mmaps and generate ELF images */ - if (!jit_process(inject->session, &inject->output, machine, - event->mmap2.filename, sample->pid, &n)) { + ret = jit_process(inject->session, &inject->output, machine, + event->mmap2.filename, sample->pid, &n); + if (ret < 0) + return ret; + if (ret) { inject->bytes_written += n; return 0; } diff --git a/tools/perf/util/jitdump.c b/tools/perf/util/jitdump.c index 99fa5eee9fe0..bd9e44f9fff2 100644 --- a/tools/perf/util/jitdump.c +++ b/tools/perf/util/jitdump.c @@ -647,7 +647,7 @@ jit_process(struct perf_session *session, * first, detect marker mmap (i.e., the jitdump mmap) */ if (jit_detect(filename, pid)) - return -1; + return 0; memset(&jd, 0, sizeof(jd)); @@ -665,8 +665,10 @@ jit_process(struct perf_session *session, *nbytes = 0; ret = jit_inject(&jd, filename); - if (!ret) + if (!ret) { *nbytes = jd.bytes_written; + ret = 1; + } return ret; } -- 2.5.0