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authorJames Morris <james.l.morris@oracle.com>2012-05-04 12:46:40 +1000
committerJames Morris <james.l.morris@oracle.com>2012-05-04 12:46:40 +1000
commit898bfc1d46bd76f8ea2a0fbd239dd2073efe2aa3 (patch)
treee6e666085abe674dbf6292555961fe0a0f2e2d2f /tools/perf/util/hist.c
parent08162e6a23d476544adfe1164afe9ea8b34ab859 (diff)
parent69964ea4c7b68c9399f7977aa5b9aa6539a6a98a (diff)
downloadolio-linux-3.10-898bfc1d46bd76f8ea2a0fbd239dd2073efe2aa3.tar.xz
olio-linux-3.10-898bfc1d46bd76f8ea2a0fbd239dd2073efe2aa3.zip
Merge tag 'v3.4-rc5' into next
Linux 3.4-rc5 Merge to pull in prerequisite change for Smack: 86812bb0de1a3758dc6c7aa01a763158a7c0638a Requested by Casey.
Diffstat (limited to 'tools/perf/util/hist.c')
-rw-r--r--tools/perf/util/hist.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 2ec4b60aff6..9f6d630d531 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -256,6 +256,18 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
if (!cmp) {
he->period += period;
++he->nr_events;
+
+ /* If the map of an existing hist_entry has
+ * become out-of-date due to an exec() or
+ * similar, update it. Otherwise we will
+ * mis-adjust symbol addresses when computing
+ * the history counter to increment.
+ */
+ if (he->ms.map != entry->ms.map) {
+ he->ms.map = entry->ms.map;
+ if (he->ms.map)
+ he->ms.map->referenced = true;
+ }
goto out;
}