[data-race-test] r3050 committed - when --sample-events is given, print the samples periodically (increas...

[data-ra...@googlecode.com]

Revision: 3050
Author: konstantin....@gmail.com
Date: Mon Jan 31 01:57:00 2011
Log: when --sample-events is given, print the samples periodically
(increasing the period each time)
http://code.google.com/p/data-race-test/source/detail?r=3050

Modified:
/trunk/tsan/thread_sanitizer.cc

=======================================
--- /trunk/tsan/thread_sanitizer.cc Mon Jan 31 01:02:30 2011
+++ /trunk/tsan/thread_sanitizer.cc Mon Jan 31 01:57:00 2011
@@ -5891,6 +5891,12 @@
string pos = Thread::Get(tid)->
CallStackToStringRtnOnly(G_flags->sample_events_depth);
(*samples_)[event_name][pos]++;
+ total_samples_++;
+ if (total_samples_ >= print_after_this_number_of_samples_) {
+ print_after_this_number_of_samples_ +=
+ print_after_this_number_of_samples_ / 2;
+ ShowSamples();
+ }
}

// Show existing samples
@@ -5898,7 +5904,7 @@
if (G_flags->sample_events == 0) return;
TIL til(ts_lock, 8);
AssertTILHeld();
- Printf("ShowSamples: \n");
+ Printf("ShowSamples: (all samples: %lld)\n", total_samples_);
for (SampleMapMap::iterator it1 = samples_->begin();
it1 != samples_->end(); ++it1) {
string name = it1->first;
@@ -5925,10 +5931,11 @@
Printf("\n");
}
}
-

static void InitClassMembers() {
samples_ = new SampleMapMap;
+ total_samples_ = 0;
+ print_after_this_number_of_samples_ = 1000;
}

private:
@@ -5937,9 +5944,13 @@
typedef map<string, int> SampleMap;
typedef map<string, SampleMap> SampleMapMap;
static SampleMapMap *samples_;
+ static int64_t total_samples_;
+ static int64_t print_after_this_number_of_samples_;
};

EventSampler::SampleMapMap *EventSampler::samples_;
+int64_t EventSampler::total_samples_;
+int64_t EventSampler::print_after_this_number_of_samples_;

// -------- Detector ---------------------- {{{1
// Collection of event handlers.