perf session: Embed the host machine data on perf_session

[pandora-kernel.git] / tools / perf / util / event.c

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index dfc8bf6..d2ea9dd 100644 (file)
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -656,6 +656,16 @@ int event__preprocess_sample(const event_t *self, struct perf_session *session,
                goto out_filtered;
 
        dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
+       /*
+        * Have we already created the kernel maps for the host machine?
+        *
+        * This should have happened earlier, when we processed the kernel MMAP
+        * events, but for older perf.data files there was no such thing, so do
+        * it now.
+        */
+       if (cpumode == PERF_RECORD_MISC_KERNEL &&
+           session->host_machine.vmlinux_maps[MAP__FUNCTION] == NULL)
+               machine__create_kernel_maps(&session->host_machine);
 
        thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
                              self->ip.pid, self->ip.ip, al);