[compiler-rt] r225478 - [asan] make a test consume 2x less RAM (we observe flaky bot failures that seem like OOMs)

[Kostya Serebryany]

Author: kcc
Date: Thu Jan  8 17:37:09 2015
New Revision: 225478

URL: http://llvm.org/viewvc/llvm-project?rev=225478&view=rev
Log:
[asan] make a test consume 2x less RAM (we observe flaky bot failures that seem like OOMs)

Modified:
    compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/soft_rss_limit_mb_test.cc

Modified: compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/soft_rss_limit_mb_test.cc
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/soft_rss_limit_mb_test.cc?rev=225478&r1=225477&r2=225478&view=diff
==============================================================================
--- compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/soft_rss_limit_mb_test.cc (original)
+++ compiler-rt/trunk/test/sanitizer_common/TestCases/Linux/soft_rss_limit_mb_test.cc Thu Jan  8 17:37:09 2015
@@ -2,8 +2,8 @@
 // RUN: %clangxx -O2 %s -o %t
 //
 // Run with limit should fail:
-// RUN: %tool_options=soft_rss_limit_mb=400:quarantine_size=1:allocator_may_return_null=1     %run %t 2>&1 | FileCheck %s -check-prefix=CHECK_MAY_RETURN_1
-// RUN: %tool_options=soft_rss_limit_mb=400:quarantine_size=1:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s -check-prefix=CHECK_MAY_RETURN_0
+// RUN: %tool_options=soft_rss_limit_mb=220:quarantine_size=1:allocator_may_return_null=1     %run %t 2>&1 | FileCheck %s -check-prefix=CHECK_MAY_RETURN_1
+// RUN: %tool_options=soft_rss_limit_mb=220:quarantine_size=1:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s -check-prefix=CHECK_MAY_RETURN_0
 
 // FIXME: make it work for other sanitizers.
 // XFAIL: lsan
@@ -14,8 +14,8 @@
 #include <string.h>
 #include <unistd.h>
 
-static const int kMaxNumAllocs = 1 << 10;
-static const int kAllocSize = 1 << 20;  // Large enough to go vi mmap.
+static const int kMaxNumAllocs = 1 << 9;
+static const int kAllocSize = 1 << 20;  // Large enough to go via mmap.
 
 static char *allocs[kMaxNumAllocs];
 
@@ -25,7 +25,7 @@ int main() {
     fprintf(stderr, "[%d] allocating %d times\n", i, num_allocs);
     int zero_results = 0;
     for (int j = 0; j < num_allocs; j++) {
-      if ((j % (num_allocs / 4)) == 0) {
+      if ((j % (num_allocs / 8)) == 0) {
         usleep(100000);
         fprintf(stderr, "  [%d]\n", j);
       }
@@ -47,16 +47,16 @@ int main() {
   }
 }
 
+// CHECK_MAY_RETURN_1: allocating 128 times
+// CHECK_MAY_RETURN_1: Some of the malloc calls returned non-null: 128
 // CHECK_MAY_RETURN_1: allocating 256 times
-// CHECK_MAY_RETURN_1: Some of the malloc calls returned non-null: 256
-// CHECK_MAY_RETURN_1: allocating 512 times
 // CHECK_MAY_RETURN_1: Some of the malloc calls returned null:
 // CHECK_MAY_RETURN_1: Some of the malloc calls returned non-null:
-// CHECK_MAY_RETURN_1: allocating 1024 times
+// CHECK_MAY_RETURN_1: allocating 512 times
 // CHECK_MAY_RETURN_1: Some of the malloc calls returned null:
 // CHECK_MAY_RETURN_1: Some of the malloc calls returned non-null:
 
+// CHECK_MAY_RETURN_0: allocating 128 times
+// CHECK_MAY_RETURN_0: Some of the malloc calls returned non-null: 128
 // CHECK_MAY_RETURN_0: allocating 256 times
-// CHECK_MAY_RETURN_0: Some of the malloc calls returned non-null: 256
-// CHECK_MAY_RETURN_0: allocating 512 times
 // CHECK_MAY_RETURN_0: allocator is terminating the process instead of returning