1 | // RUN: rm -rf %t && mkdir %t |
2 | // RUN: %clangxx_xray -g -std=c++11 %s -o %t.exe |
3 | // RUN: XRAY_OPTIONS="patch_premain=false \ |
4 | // RUN: xray_logfile_base=%t/ xray_mode=xray-fdr verbosity=1" \ |
5 | // RUN: XRAY_FDR_OPTIONS=func_duration_threshold_us=0 %run %t.exe 2>&1 | \ |
6 | // RUN: FileCheck %s |
7 | // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t.exe %t/* |
8 | // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t.exe %t/* | \ |
9 | // RUN: FileCheck %s --check-prefix TRACE |
10 | |
11 | // REQUIRES: target={{(aarch64|loongarch64|x86_64)-.*}} |
12 | // REQUIRES: built-in-llvm-tree |
13 | |
14 | #include "xray/xray_log_interface.h" |
15 | #include <atomic> |
16 | #include <cassert> |
17 | #include <thread> |
18 | |
19 | std::atomic<uint64_t> var{0}; |
20 | |
21 | [[clang::xray_always_instrument]] void __attribute__((noinline)) f1() { |
22 | for (auto i = 0; i < 1 << 20; ++i) |
23 | ++var; |
24 | } |
25 | |
26 | [[clang::xray_always_instrument]] void __attribute__((noinline)) f2() { |
27 | for (auto i = 0; i < 1 << 20; ++i) |
28 | ++var; |
29 | } |
30 | |
31 | int main(int argc, char *argv[]) { |
32 | __xray_patch(); |
33 | assert(__xray_log_init_mode("xray-fdr" , "" ) == |
34 | XRayLogInitStatus::XRAY_LOG_INITIALIZED); |
35 | |
36 | std::atomic_thread_fence(m: std::memory_order_acq_rel); |
37 | |
38 | { |
39 | std::thread t1([] { f1(); }); |
40 | std::thread t2([] { f2(); }); |
41 | t1.join(); |
42 | t2.join(); |
43 | } |
44 | |
45 | std::atomic_thread_fence(m: std::memory_order_acq_rel); |
46 | __xray_log_finalize(); |
47 | __xray_log_flushLog(); |
48 | __xray_unpatch(); |
49 | return var > 0 ? 0 : 1; |
50 | // CHECK: {{.*}}XRay: Log file in '{{.*}}' |
51 | // CHECK-NOT: Failed |
52 | } |
53 | |
54 | // We want to make sure that the order of the function log doesn't matter. |
55 | // TRACE-DAG: - { type: 0, func-id: [[FID1:[0-9]+]], function: {{.*f1.*}}, cpu: {{.*}}, thread: [[THREAD1:[0-9]+]], process: [[PROCESS:[0-9]+]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
56 | // TRACE-DAG: - { type: 0, func-id: [[FID2:[0-9]+]], function: {{.*f2.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
57 | // TRACE-DAG: - { type: 0, func-id: [[FID1]], function: {{.*f1.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: {{function-exit|function-tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
58 | // TRACE-DAG: - { type: 0, func-id: [[FID2]], function: {{.*f2.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: {{function-exit|function-tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
59 | |