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authorAdrian Hunter <adrian.hunter@intel.com>2014-07-31 10:00:44 +0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-14 02:23:08 +0400
commit65de51f93ebf9305ec011da59c0b5fe29429d1b9 (patch)
tree80a42fb96d8820b8ec0ba70189a9ea138dd28cd1 /tools/perf/util/comm.c
parenta5563edfa1bd25d052d81f5ad7fe74ba71c3d44e (diff)
downloadlinux-65de51f93ebf9305ec011da59c0b5fe29429d1b9.tar.xz
perf tools: Identify which comms are from exec
For grouping together all the data from a single execution, which is needed for pairing calls and returns e.g. any outstanding calls when a process exec's will never return. Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1406786474-9306-2-git-send-email-adrian.hunter@intel.com [ Remove testing if comm->exec is false before setting it to true ] 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.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/comm.c b/tools/perf/util/comm.c
index f9e777629e21..b2bb59df65e1 100644
--- a/tools/perf/util/comm.c
+++ b/tools/perf/util/comm.c
@@ -74,7 +74,7 @@ static struct comm_str *comm_str__findnew(const char *str, struct rb_root *root)
return new;
}
-struct comm *comm__new(const char *str, u64 timestamp)
+struct comm *comm__new(const char *str, u64 timestamp, bool exec)
{
struct comm *comm = zalloc(sizeof(*comm));
@@ -82,6 +82,7 @@ struct comm *comm__new(const char *str, u64 timestamp)
return NULL;
comm->start = timestamp;
+ comm->exec = exec;
comm->comm_str = comm_str__findnew(str, &comm_str_root);
if (!comm->comm_str) {
@@ -94,7 +95,7 @@ struct comm *comm__new(const char *str, u64 timestamp)
return comm;
}
-int comm__override(struct comm *comm, const char *str, u64 timestamp)
+int comm__override(struct comm *comm, const char *str, u64 timestamp, bool exec)
{
struct comm_str *new, *old = comm->comm_str;
@@ -106,6 +107,8 @@ int comm__override(struct comm *comm, const char *str, u64 timestamp)
comm_str__put(old);
comm->comm_str = new;
comm->start = timestamp;
+ if (exec)
+ comm->exec = true;
return 0;
}