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-rw-r--r--tools/perf/builtin-trace.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 87b95c9410b4..3ad17ee89403 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -112,6 +112,7 @@ struct trace {
bool multiple_threads;
bool summary;
bool summary_only;
+ bool failure_only;
bool show_comm;
bool print_sample;
bool show_tool_stats;
@@ -1565,7 +1566,7 @@ static int trace__printf_interrupted_entry(struct trace *trace)
struct thread_trace *ttrace;
size_t printed;
- if (trace->current == NULL)
+ if (trace->failure_only || trace->current == NULL)
return 0;
ttrace = thread__priv(trace->current);
@@ -1638,7 +1639,7 @@ static int trace__sys_enter(struct trace *trace, struct perf_evsel *evsel,
args, trace, thread);
if (sc->is_exit) {
- if (!(trace->duration_filter || trace->summary_only || trace->min_stack)) {
+ if (!(trace->duration_filter || trace->summary_only || trace->failure_only || trace->min_stack)) {
trace__fprintf_entry_head(trace, thread, 0, false, ttrace->entry_time, trace->output);
fprintf(trace->output, "%-70s)\n", ttrace->entry_str);
}
@@ -1742,7 +1743,7 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel,
}
}
- if (trace->summary_only)
+ if (trace->summary_only || (ret >= 0 && trace->failure_only))
goto out;
trace__fprintf_entry_head(trace, thread, duration, duration_calculated, ttrace->entry_time, trace->output);
@@ -1961,7 +1962,7 @@ static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
trace->output);
}
- fprintf(trace->output, ")\n");
+ fprintf(trace->output, "\n");
if (callchain_ret > 0)
trace__fprintf_callchain(trace, sample);
@@ -3087,6 +3088,8 @@ int cmd_trace(int argc, const char **argv)
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_BOOLEAN('T', "time", &trace.full_time,
"Show full timestamp, not time relative to first start"),
+ OPT_BOOLEAN(0, "failure", &trace.failure_only,
+ "Show only syscalls that failed"),
OPT_BOOLEAN('s', "summary", &trace.summary_only,
"Show only syscall summary with statistics"),
OPT_BOOLEAN('S', "with-summary", &trace.summary,