tsan: dynamic history size
introduces history_size parameter that can be used to control trace size at startup
llvm-svn: 168786
diff --git a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
index f104b73..4a0882c 100644
--- a/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
+++ b/compiler-rt/lib/tsan/rtl/tsan_rtl_thread.cc
@@ -123,7 +123,7 @@
void *mem = internal_alloc(MBlockThreadContex, sizeof(ThreadContext));
tctx = new(mem) ThreadContext(tid);
ctx->threads[tid] = tctx;
- MapThreadTrace(GetThreadTrace(tid), kTraceSize * sizeof(Event));
+ MapThreadTrace(GetThreadTrace(tid), TraceSize() * sizeof(Event));
}
CHECK_NE(tctx, 0);
CHECK_GE(tid, 0);
@@ -149,7 +149,6 @@
thr->fast_synch_epoch = thr->fast_state.epoch();
thr->clock.release(&tctx->sync);
StatInc(thr, StatSyncRelease);
-
tctx->creation_stack.ObtainCurrent(thr, pc);
}
return tid;
@@ -205,6 +204,7 @@
thr->fast_synch_epoch = tctx->epoch0;
thr->clock.set(tid, tctx->epoch0);
thr->clock.acquire(&tctx->sync);
+ thr->fast_state.SetHistorySize(flags()->history_size);
StatInc(thr, StatSyncAcquire);
DPrintf("#%d: ThreadStart epoch=%zu stk_addr=%zx stk_size=%zx "
"tls_addr=%zx tls_size=%zx\n",