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| author | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:45:36 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2016-07-23 20:45:36 +0000 |
| commit | 6f08730ec5f639f05f2f15354171e4a3c9af9dc1 (patch) | |
| tree | 7374e9d4448083010ada98d17976199c7e945d47 /test/esan/TestCases/workingset-midreport.cpp | |
| parent | c003a57e2e4a1ad9be0338806bc1038b6987155f (diff) | |
| download | src-6f08730ec5f639f05f2f15354171e4a3c9af9dc1.tar.gz src-6f08730ec5f639f05f2f15354171e4a3c9af9dc1.zip | |
Notes
Diffstat (limited to 'test/esan/TestCases/workingset-midreport.cpp')
| -rw-r--r-- | test/esan/TestCases/workingset-midreport.cpp | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/test/esan/TestCases/workingset-midreport.cpp b/test/esan/TestCases/workingset-midreport.cpp new file mode 100644 index 000000000000..2c29cf48ccf7 --- /dev/null +++ b/test/esan/TestCases/workingset-midreport.cpp @@ -0,0 +1,71 @@ +// RUN: %clang_esan_wset -O0 %s -o %t 2>&1 +// RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-ESAN + +// RUN: %clang -O0 %s -o %t 2>&1 +// RUN: %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NO-ESAN + +#include <sanitizer/esan_interface.h> +#include <sched.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> + +const int size = 0x1 << 25; // 523288 cache lines +const int iters = 6; + +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(); + } + } + // Ensure a non-esan build works without ifdefs: + if (__esan_report) { + // We should get 2 roughly identical reports: + __esan_report(); + } + munmap(buf, size); + fprintf(stderr, "all done\n"); + // CHECK-NO-ESAN: all done + // We only check for a few samples here to reduce the chance of flakiness: + // CHECK-ESAN: =={{[0-9]+}}== Total number of samples: {{[0-9]+}} + // CHECK-ESAN-NEXT: =={{[0-9]+}}== Samples array #0 at period 20 ms + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 1: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 2: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 3: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN: =={{[0-9]+}}== Samples array #1 at period 80 ms + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN: =={{[0-9]+}}== Samples array #2 at period 320 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #3 at period 1280 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #4 at period 5120 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #5 at period 20 sec + // CHECK-ESAN: =={{[0-9]+}}== Samples array #6 at period 81 sec + // CHECK-ESAN: =={{[0-9]+}}== Samples array #7 at period 327 sec + // CHECK-ESAN: {{.*}} EfficiencySanitizer: the total working set size: 32 MB (5242{{[0-9][0-9]}} cache lines) + // CHECK-ESAN-NEXT: all done + // CHECK-ESAN-NEXT: =={{[0-9]+}}== Total number of samples: {{[0-9]+}} + // CHECK-ESAN-NEXT: =={{[0-9]+}}== Samples array #0 at period 20 ms + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 1: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 2: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 3: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN: =={{[0-9]+}}== Samples array #1 at period 80 ms + // CHECK-ESAN-NEXT: =={{[0-9]+}}==# 0: {{[ 0-9]+}} {{KB|MB|Bytes}} ({{[ 0-9]+}} cache lines) + // CHECK-ESAN: =={{[0-9]+}}== Samples array #2 at period 320 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #3 at period 1280 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #4 at period 5120 ms + // CHECK-ESAN: =={{[0-9]+}}== Samples array #5 at period 20 sec + // CHECK-ESAN: =={{[0-9]+}}== Samples array #6 at period 81 sec + // CHECK-ESAN: =={{[0-9]+}}== Samples array #7 at period 327 sec + // CHECK-ESAN: {{.*}} EfficiencySanitizer: the total working set size: 32 MB (5242{{[0-9][0-9]}} cache lines) + return 0; +} |