Merge branch 'for-linus' of git://git.kernel.dk/linux-block

[karo-tx-linux.git] / tools / perf / builtin-trace.c

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index dec8ced61fb00c2bc7114346db3edaf0f7dd89b7..7aaee39f6774f1fc49131dd7a3d67f002bee823c 100644 (file)
--- 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);
                }