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author | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
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committer | Jordan Rupprecht <rupprecht@google.com> | 2019-05-14 21:58:59 +0000 |
commit | b6bc976d7be8ee56d3be4b6dbd2f3ab0a4021c86 (patch) | |
tree | f5ed5db8cb5d237a073ea00c4d4cd63153a16a6c /test/esan/TestCases/workingset-samples.cpp | |
parent | 05342ccc9cff16425c0a831fddd510879544a0bf (diff) | |
parent | 098ca93185735ec3687106d0967a70fc99a85059 (diff) | |
download | compiler-rt-google/stable.tar.gz |
Creating branches/google/stable and tags/google/stable/2019-05-14 from r360103google/stable
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/branches/google/stable@360714 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/esan/TestCases/workingset-samples.cpp')
-rw-r--r-- | test/esan/TestCases/workingset-samples.cpp | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/test/esan/TestCases/workingset-samples.cpp b/test/esan/TestCases/workingset-samples.cpp deleted file mode 100644 index 1f8e97dad..000000000 --- a/test/esan/TestCases/workingset-samples.cpp +++ /dev/null @@ -1,48 +0,0 @@ -// RUN: %clang_esan_wset -O0 %s -o %t 2>&1 -// RUN: %run %t 2>&1 | FileCheck %s - -// FIXME: Re-enable once PR33590 is fixed. -// UNSUPPORTED: x86_64 -// Stucks at init and no clone feature equivalent. -// UNSUPPORTED: freebsd - -#include <sanitizer/esan_interface.h> -#include <sched.h> -#include <stdlib.h> -#include <string.h> -#include <sys/mman.h> - -const int size = 0x1 << 25; // 523288 cache lines - -int main(int argc, char **argv) { - char *buf = (char *)mmap(0, size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - // To avoid flakiness stemming from whether the sideline thread - // is scheduled enough on a loaded test machine, we coordinate - // with esan itself: - if (__esan_get_sample_count) { - while (__esan_get_sample_count() < 4) { - for (int i = 0; i < size; ++i) - buf[i] = i; - sched_yield(); - } - } - munmap(buf, size); - // We only check for a few samples here to reduce the chance of flakiness. - // CHECK: =={{[0-9]+}}== Total number of samples: {{[0-9]+}} - // CHECK-NEXT: =={{[0-9]+}}== Samples array #0 at period 20 ms - // CHECK-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) - // CHECK-NEXT: =={{[0-9]+}}==# 1: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) - // CHECK-NEXT: =={{[0-9]+}}==# 2: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) - // CHECK-NEXT: =={{[0-9]+}}==# 3: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) - // CHECK: =={{[0-9]+}}== Samples array #1 at period 80 ms - // CHECK-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) - // CHECK: =={{[0-9]+}}== Samples array #2 at period 320 ms - // CHECK: =={{[0-9]+}}== Samples array #3 at period 1280 ms - // CHECK: =={{[0-9]+}}== Samples array #4 at period 5120 ms - // CHECK: =={{[0-9]+}}== Samples array #5 at period 20 sec - // CHECK: =={{[0-9]+}}== Samples array #6 at period 81 sec - // CHECK: =={{[0-9]+}}== Samples array #7 at period 327 sec - // CHECK: {{.*}} EfficiencySanitizer: the total working set size: 32 MB (5242{{[0-9][0-9]}} cache lines) - return 0; -} |