Messages in this thread Patch in this message | | | Subject | [PATCH] perf: Don't list tracepoints without an id | From | Peter Zijlstra <> | Date | Wed, 05 Aug 2009 21:23:49 +0200 |
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Stop perf list from displaying tracepoints without an id file.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> --- tools/perf/util/parse-events.c | 10 ++++++++++ 1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 7bdad8d..d00636b 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -568,6 +568,7 @@ static void print_tracepoint_events(void) struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent; struct stat st; char evt_path[MAXPATHLEN]; + int fd; if (valid_debugfs_mount(debugfs_path)) return; @@ -582,6 +583,15 @@ static void print_tracepoint_events(void) goto cleanup; for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next, evt_path, st) { + + snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", + debugfs_path, + sys_dirent.d_name, evt_dirent.d_name); + fd = open(evt_path, O_RDONLY); + if (fd < 0) + continue; + close(fd); + snprintf(evt_path, MAXPATHLEN, "%s:%s", sys_dirent.d_name, evt_dirent.d_name); fprintf(stderr, " %-40s [%s]\n", evt_path,
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