Messages in this thread Patch in this message | | | Date | Mon, 12 Aug 2013 03:19:47 -0700 | From | tip-bot for Andi Kleen <> | Subject | [tip:perf/core] perf evlist: Remove obsolete dummy execve |
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Commit-ID: 5c6974f49832a55edc9ca744323778947c104ca0 Gitweb: http://git.kernel.org/tip/5c6974f49832a55edc9ca744323778947c104ca0 Author: Andi Kleen <ak@linux.intel.com> AuthorDate: Fri, 2 Aug 2013 17:41:09 -0700 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 7 Aug 2013 17:35:28 -0300
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The dummy execve to pre-resolve the PLT is obsolete since "enable_on_execve" was added.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> --- tools/perf/util/evlist.c | 7 ------- 1 file changed, 7 deletions(-)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index da2dd92..c7d111f 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]);
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