perf report: Add support for profiling JIT generated code

[pandora-kernel.git] / tools / perf / builtin-report.c

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index f053a74..61d8718 100644 (file)
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -209,6 +209,11 @@ static uint64_t vdso__map_ip(struct map *map, uint64_t ip)
        return ip;
 }
 
+static inline int is_anon_memory(const char *filename)
+{
+     return strcmp(filename, "//anon") == 0;
+}
+
 static struct map *map__new(struct mmap_event *event)
 {
        struct map *self = malloc(sizeof(*self));
@@ -216,6 +221,7 @@ static struct map *map__new(struct mmap_event *event)
        if (self != NULL) {
                const char *filename = event->filename;
                char newfilename[PATH_MAX];
+               int anon;
 
                if (cwd) {
                        int n = strcommon(filename);
@@ -227,6 +233,13 @@ static struct map *map__new(struct mmap_event *event)
                        }
                }
 
+               anon = is_anon_memory(filename);
+
+               if (anon) {
+                       snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
+                       filename = newfilename;
+               }
+
                self->start = event->start;
                self->end   = event->start + event->len;
                self->pgoff = event->pgoff;
@@ -235,7 +248,7 @@ static struct map *map__new(struct mmap_event *event)
                if (self->dso == NULL)
                        goto out_delete;
 
-               if (self->dso == vdso)
+               if (self->dso == vdso || anon)
                        self->map_ip = vdso__map_ip;
                else
                        self->map_ip = map__map_ip;