[llvm-commits] [compiler-rt] r167532 - in /compiler-rt/trunk/lib/tsan/rtl: tsan_flags.cc tsan_flags.h tsan_interceptors.cc tsan_rtl_report.cc

[Dmitry Vyukov]

Author: dvyukov
Date: Wed Nov  7 10:14:12 2012
New Revision: 167532

URL: http://llvm.org/viewvc/llvm-project?rev=167532&view=rev
Log:
tsan: add flag to suppress all reports (useful for benchmarking)

Modified:
    compiler-rt/trunk/lib/tsan/rtl/tsan_flags.cc
    compiler-rt/trunk/lib/tsan/rtl/tsan_flags.h
    compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
    compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_flags.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_flags.cc?rev=167532&r1=167531&r2=167532&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_flags.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_flags.cc Wed Nov  7 10:14:12 2012
@@ -40,6 +40,7 @@
   f->enable_annotations = true;
   f->suppress_equal_stacks = true;
   f->suppress_equal_addresses = true;
+  f->report_bugs = true;
   f->report_thread_leaks = true;
   f->report_destroy_locked = true;
   f->report_signal_unsafe = true;
@@ -63,6 +64,7 @@
   ParseFlag(env, &f->enable_annotations, "enable_annotations");
   ParseFlag(env, &f->suppress_equal_stacks, "suppress_equal_stacks");
   ParseFlag(env, &f->suppress_equal_addresses, "suppress_equal_addresses");
+  ParseFlag(env, &f->report_bugs, "report_bugs");
   ParseFlag(env, &f->report_thread_leaks, "report_thread_leaks");
   ParseFlag(env, &f->report_destroy_locked, "report_destroy_locked");
   ParseFlag(env, &f->report_signal_unsafe, "report_signal_unsafe");
@@ -77,6 +79,12 @@
   ParseFlag(env, &f->flush_memory_ms, "flush_memory_ms");
   ParseFlag(env, &f->stop_on_start, "stop_on_start");
   ParseFlag(env, &f->external_symbolizer_path, "external_symbolizer_path");
+
+  if (!f->report_bugs) {
+    f->report_thread_leaks = false;
+    f->report_destroy_locked = false;
+    f->report_signal_unsafe = false;
+  }
 }
 
 }  // namespace __tsan

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_flags.h
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_flags.h?rev=167532&r1=167531&r2=167532&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_flags.h (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_flags.h Wed Nov  7 10:14:12 2012
@@ -31,6 +31,8 @@
   // Supress a race report if we've already output another race report
   // on the same address.
   bool suppress_equal_addresses;
+  // Turns off bug reporting entirely (useful for benchmarking).
+  bool report_bugs;
   // Report thread leaks at exit?
   bool report_thread_leaks;
   // Report destruction of a locked mutex?

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc?rev=167532&r1=167531&r2=167532&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_interceptors.cc Wed Nov  7 10:14:12 2012
@@ -1344,7 +1344,7 @@
           sigactions[sig].sa_sigaction(sig, &signal->siginfo, &signal->ctx);
         else
           sigactions[sig].sa_handler(sig);
-        if (errno != 0) {
+        if (flags()->report_bugs && errno != 0) {
           ScopedInRtl in_rtl;
           __tsan::StackTrace stack;
           uptr pc = signal->sigaction ?

Modified: compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc?rev=167532&r1=167531&r2=167532&view=diff
==============================================================================
--- compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc (original)
+++ compiler-rt/trunk/lib/tsan/rtl/tsan_rtl_report.cc Wed Nov  7 10:14:12 2012
@@ -385,6 +385,8 @@
 }
 
 void ReportRace(ThreadState *thr) {
+  if (!flags()->report_bugs)
+    return;
   ScopedInRtl in_rtl;
 
   bool freed = false;