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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 22:34:33 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-25 12:49:29 -0300 |
| commit | 2caa48a24061b1f8e8dab43ea3292a608a15e3c9 (patch) | |
| tree | f0abc1e2d2b309ad06f21cb5203771f6faace6f7 /tools/perf | |
| parent | 8d9233f205e8855dc762665e28012354cd46af45 (diff) | |
| download | linux-2caa48a24061b1f8e8dab43ea3292a608a15e3c9.tar.bz2 | |
perf header: Stop using die() calls when processing tracing data
The callers of this function (perf_event__process_tracing_data) already
handles a negative value return as error, so just use pr_err() to log
the problem and return -1 instead of panic'ing.
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-eeeljnecpi0zi5s7ux1mzdv9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/util/header.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index fccd69dbbbb9..e17a8fe9c4d7 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -2921,16 +2921,22 @@ int perf_event__process_tracing_data(union perf_event *event, session->repipe); padding = PERF_ALIGN(size_read, sizeof(u64)) - size_read; - if (readn(session->fd, buf, padding) < 0) - die("reading input file"); + if (readn(session->fd, buf, padding) < 0) { + pr_err("%s: reading input file", __func__); + return -1; + } if (session->repipe) { int retw = write(STDOUT_FILENO, buf, padding); - if (retw <= 0 || retw != padding) - die("repiping tracing data padding"); + if (retw <= 0 || retw != padding) { + pr_err("%s: repiping tracing data padding", __func__); + return -1; + } } - if (size_read + padding != size) - die("tracing data size mismatch"); + if (size_read + padding != size) { + pr_err("%s: tracing data size mismatch", __func__); + return -1; + } perf_evlist__prepare_tracepoint_events(session->evlist, session->pevent); |