diff options
| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2011-03-30 18:25:53 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2011-04-05 15:36:04 -0300 |
| commit | cc446446ff48e82c157dc8c937a3490f2a2ce535 (patch) | |
| tree | 7c7d230dfafd23a924eba78516eeaff088a5ddf7 /tools | |
| parent | f0c4801a17cb1a762bed39a6a9d5e5be33d8a340 (diff) | |
| download | lwn-cc446446ff48e82c157dc8c937a3490f2a2ce535.tar.gz lwn-cc446446ff48e82c157dc8c937a3490f2a2ce535.zip | |
perf probe: Fix multiple --vars options behavior
Fix a bug that perf-probe fails to initialize libdwfl and shows incorrect error
when user gives multiple --vars options.
Cc: 2nddept-manager@sdl.hitachi.co.jp
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Lin Ming <ming.m.lin@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20110330092553.2132.42691.stgit@ltc236.sdl.hitachi.co.jp>
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/probe-event.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index a372d748644b..f0223166e761 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -510,18 +510,18 @@ int show_available_vars(struct perf_probe_event *pevs, int npevs, if (ret < 0) return ret; - fd = open_vmlinux(module); - if (fd < 0) { - pr_warning("Failed to open debug information file.\n"); - return fd; - } - setup_pager(); - for (i = 0; i < npevs && ret >= 0; i++) + for (i = 0; i < npevs && ret >= 0; i++) { + fd = open_vmlinux(module); + if (fd < 0) { + pr_warning("Failed to open debug information file.\n"); + ret = fd; + break; + } ret = show_available_vars_at(fd, &pevs[i], max_vls, _filter, externs); - + } return ret; } |