Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (107 commits)
  perf stat: Add more cache-miss percentage printouts
  perf stat: Add -d -d and -d -d -d options to show more CPU events
  ftrace/kbuild: Add recordmcount files to force full build
  ftrace: Add self-tests for multiple function trace users
  ftrace: Modify ftrace_set_filter/notrace to take ops
  ftrace: Allow dynamically allocated function tracers
  ftrace: Implement separate user function filtering
  ftrace: Free hash with call_rcu_sched()
  ftrace: Have global_ops store the functions that are to be traced
  ftrace: Add ops parameter to ftrace_startup/shutdown functions
  ftrace: Add enabled_functions file
  ftrace: Use counters to enable functions to trace
  ftrace: Separate hash allocation and assignment
  ftrace: Create a global_ops to hold the filter and notrace hashes
  ftrace: Use hash instead for FTRACE_FL_FILTER
  ftrace: Replace FTRACE_FL_NOTRACE flag with a hash of ignored functions
  perf bench, x86: Add alternatives-asm.h wrapper
  x86, 64-bit: Fix copy_[to/from]_user() checks for the userspace address limit
  x86, mem: memset_64.S: Optimize memset by enhanced REP MOVSB/STOSB
  x86, mem: memmove_64.S: Optimize memmove by enhanced REP MOVSB/STOSB
  ...

1 files changed, 12 insertions, 0 deletions

diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index caa224522fe..fff66741f18 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -1156,6 +1156,18 @@ size_t perf_session__fprintf_nr_events(struct perf_session *session, FILE *fp)
         return ret;
 }
 
+struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session,
+                                              unsigned int type)
+{
+        struct perf_evsel *pos;
+
+        list_for_each_entry(pos, &session->evlist->entries, node) {
+                if (pos->attr.type == type)
+                        return pos;
+        }
+        return NULL;
+}
+
 void perf_session__print_symbols(union perf_event *event,
                                 struct perf_sample *sample,
                                 struct perf_session *session)