From: Andrey Churbanov <Andrey.Churbanov@intel.com>
Date: Wed, 6 May 2015 18:34:15 +0000 (+0000)
Subject: D9302.partial: bug fix for ittnotify: added missed timing on hierarchical barrier.
X-Git-Tag: llvmorg-3.7.0-rc1~5262
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e6bfb73fd56af3649577f6e269f1e087218bf46a;p=platform%2Fupstream%2Fllvm.git

D9302.partial: bug fix for ittnotify: added missed timing on hierarchical barrier.

llvm-svn: 236623
---

diff --git a/openmp/runtime/src/kmp_barrier.cpp b/openmp/runtime/src/kmp_barrier.cpp
index 72c9fa8..429390b 100644
--- a/openmp/runtime/src/kmp_barrier.cpp
+++ b/openmp/runtime/src/kmp_barrier.cpp
@@ -743,6 +743,13 @@ __kmp_hierarchical_barrier_gather(enum barrier_type bt, kmp_info_t *this_thr,
                   gtid, team->t.t_id, tid, bt));
     KMP_DEBUG_ASSERT(this_thr == other_threads[this_thr->th.th_info.ds.ds_tid]);
 
+#if USE_ITT_BUILD && USE_ITT_NOTIFY
+    // Barrier imbalance - save arrive time to the thread
+    if(__kmp_forkjoin_frames_mode == 3 || __kmp_forkjoin_frames_mode == 2) {
+        this_thr->th.th_bar_arrive_time = __itt_get_timestamp();
+    }
+#endif
+
     (void)__kmp_init_hierarchical_barrier_thread(bt, thr_bar, nproc, gtid, tid, team);
 
     if (thr_bar->my_level) { // not a leaf (my_level==0 means leaf)