perf evlist: Remove obsolete dummy execve

Minor cleanup.

The dummy execve to pre-resolve the PLT is obsolete since
"enable_on_execve" was added. The counters are only
running after the execve anyways. So just remove it.

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1375490473-1503-2-git-send-email-andi@firstfloor.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index da2dd92d5b27..c7d111f74553 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -837,13 +837,6 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist,
                 fcntl(go_pipe[0], F_SETFD, FD_CLOEXEC);
 
                 /*
-                 * Do a dummy execvp to get the PLT entry resolved,
-                 * so we avoid the resolver overhead on the real
-                 * execvp call.
-                 */
-                execvp("", (char **)argv);
-
-                /*
                  * Tell the parent we're ready to go
                  */
                 close(child_ready_pipe[1]);