xref: /llvm-project/compiler-rt/test/xray/TestCases/Posix/basic-filtering.cpp (revision f7624b080a6d1f379042261a61b4934f000fd2b1)
1 // Check to make sure that we are actually filtering records from the basic mode
2 // logging implementation.
3 
4 // RUN: %clangxx_xray -std=c++11 %s -o %t -g
5 // RUN: rm -f basic-filtering-*
6 // RUN: XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic verbosity=1 \
7 // RUN:     xray_logfile_base=basic-filtering- \
8 // RUN:     xray_naive_log_func_duration_threshold_us=1000 \
9 // RUN:     xray_naive_log_max_stack_depth=2" %run %t 2>&1 | \
10 // RUN:     FileCheck %s
11 // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \
12 // RUN:     "`ls basic-filtering-* | head -1`" | \
13 // RUN:     FileCheck %s --check-prefix TRACE
14 // RUN: rm -f basic-filtering-*
15 //
16 // Now check support for the XRAY_BASIC_OPTIONS environment variable.
17 // RUN: XRAY_OPTIONS="patch_premain=true xray_mode=xray-basic verbosity=1 \
18 // RUN:     xray_logfile_base=basic-filtering-" \
19 // RUN: XRAY_BASIC_OPTIONS="func_duration_threshold_us=1000 max_stack_depth=2" \
20 // RUN:     %run %t 2>&1 | FileCheck %s
21 // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \
22 // RUN:     "`ls basic-filtering-* | head -1`" | \
23 // RUN:     FileCheck %s --check-prefix TRACE
24 // RUN: rm -f basic-filtering-*
25 
26 // REQUIRES: built-in-llvm-tree
27 
28 #include <cstdio>
29 #include <time.h>
30 
filtered()31 [[clang::xray_always_instrument]] void __attribute__((noinline)) filtered() {
32   printf("filtered was called.\n");
33 }
34 
beyond_stack()35 [[clang::xray_always_instrument]] void __attribute__((noinline)) beyond_stack() {
36   printf("beyond stack was called.\n");
37 }
38 
39 [[clang::xray_always_instrument]] void __attribute__((noinline))
always_shows()40 always_shows() {
41   struct timespec sleep;
42   sleep.tv_nsec = 2000000;
43   sleep.tv_sec = 0;
44   struct timespec rem;
45   while (nanosleep(&sleep, &rem) == -1)
46     sleep = rem;
47   printf("always_shows was called.\n");
48   beyond_stack();
49 }
50 
main(int argc,char * argv[])51 [[clang::xray_always_instrument]] int main(int argc, char *argv[]) {
52   filtered();     // CHECK: filtered was called.
53   always_shows(); // CHECK: always_shows was called.
54   // CHECK: beyond stack was called.
55 }
56 
57 // TRACE-NOT: - { type: 0, func-id: {{.*}}, function: {{.*filtered.*}}, {{.*}} }
58 // TRACE-NOT: - { type: 0, func-id: {{.*}}, function: {{.*beyond_stack.*}}, {{.*}} }
59 // TRACE-DAG: - { type: 0, func-id: [[FID:[0-9]+]], function: {{.*always_shows.*}}, cpu: {{.*}}, thread: {{.*}}, kind: function-enter, tsc: {{[0-9]+}}, data: '' }
60 // TRACE-DAG: - { type: 0, func-id: [[FID]], function: {{.*always_shows.*}}, cpu: {{.*}}, thread: {{.*}}, kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
61