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Diffstat (limited to 'tools/perf/builtin-trace.c')
-rw-r--r--tools/perf/builtin-trace.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index dec8ced..7aaee39 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -56,6 +56,10 @@ static int trace__read_syscall_info(struct trace *trace, int id)
{
char tp_name[128];
struct syscall *sc;
+ const char *name = audit_syscall_to_name(id, trace->audit_machine);
+
+ if (name == NULL)
+ return -1;
if (id > trace->syscalls.max) {
struct syscall *nsyscalls = realloc(trace->syscalls.table, (id + 1) * sizeof(*sc));
@@ -75,11 +79,8 @@ static int trace__read_syscall_info(struct trace *trace, int id)
}
sc = trace->syscalls.table + id;
- sc->name = audit_syscall_to_name(id, trace->audit_machine);
- if (sc->name == NULL)
- return -1;
-
- sc->fmt = syscall_fmt__find(sc->name);
+ sc->name = name;
+ sc->fmt = syscall_fmt__find(sc->name);
snprintf(tp_name, sizeof(tp_name), "sys_enter_%s", sc->name);
sc->tp_format = event_format__new("syscalls", tp_name);
@@ -267,6 +268,13 @@ again:
if (evlist->threads->map[0] == -1 || evlist->threads->nr > 1)
printf("%d ", sample.tid);
+ if (sample.raw_data == NULL) {
+ printf("%s sample with no payload for tid: %d, cpu %d, raw_size=%d, skipping...\n",
+ perf_evsel__name(evsel), sample.tid,
+ sample.cpu, sample.raw_size);
+ continue;
+ }
+
handler = evsel->handler.func;
handler(trace, evsel, &sample);
}