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authorNamhyung Kim <namhyung.kim@lge.com>2013-09-13 16:28:57 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-11-04 12:16:39 -0300
commit4dfced359fbc719a35527416f1b4b3999647f68b (patch)
treebfa501673ebf02c77818e87a374ff9a80bec974e /tools/perf/util/comm.c
parentfedd63d3cdc9004df43b02df5c874b8957992fe8 (diff)
downloadtalos-obmc-linux-4dfced359fbc719a35527416f1b4b3999647f68b.tar.gz
talos-obmc-linux-4dfced359fbc719a35527416f1b4b3999647f68b.zip
perf tools: Get current comm instead of last one
At insert time, a hist entry should reference comm at the time otherwise it'll get the last comm anyway. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Tested-by: Jiri Olsa <jolsa@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Link: http://lkml.kernel.org/n/tip-n6pykiiymtgmcjs834go2t8x@git.kernel.org [ Fixed up const pointer issues ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/comm.c')
-rw-r--r--tools/perf/util/comm.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index 8b3ac9f0207f..ee0df0e24cdb 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -94,6 +94,21 @@ struct comm *comm__new(const char *str, u64 timestamp)
return comm;
}
+void comm__override(struct comm *comm, const char *str, u64 timestamp)
+{
+ struct comm_str *old = comm->comm_str;
+
+ comm->comm_str = comm_str__findnew(str, &comm_str_root);
+ if (!comm->comm_str) {
+ comm->comm_str = old;
+ return;
+ }
+
+ comm->start = timestamp;
+ comm_str__get(comm->comm_str);
+ comm_str__put(old);
+}
+
void comm__free(struct comm *comm)
{
comm_str__put(comm->comm_str);
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