Merge branch 'perf/urgent' into perf/core

Pick up v3.7-rc2 and fixes before applying more patches.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 13 insertions, 5 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 4e9320bf11e1..14b322961807 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -63,6 +63,10 @@ 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));
@@ -82,11 +86,8 @@ 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);
@@ -290,6 +291,13 @@ 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);
                 }