// RUN: rm -rf %t && mkdir %t // RUN: %clangxx_xray -g -std=c++11 %s -o %t.exe // RUN: XRAY_OPTIONS="patch_premain=false \ // RUN: xray_logfile_base=%t/ xray_mode=xray-fdr verbosity=1" \ // RUN: XRAY_FDR_OPTIONS=func_duration_threshold_us=0 %run %t.exe 2>&1 | \ // RUN: FileCheck %s // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t.exe %t/* // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t.exe %t/* | \ // RUN: FileCheck %s --check-prefix TRACE // FIXME: Make llvm-xray work on non-x86_64 as well. // REQUIRES: x86_64-target-arch // REQUIRES: built-in-llvm-tree #include "xray/xray_log_interface.h" #include #include #include std::atomic var{0}; [[clang::xray_always_instrument]] void __attribute__((noinline)) f1() { for (auto i = 0; i < 1 << 20; ++i) ++var; } [[clang::xray_always_instrument]] void __attribute__((noinline)) f2() { for (auto i = 0; i < 1 << 20; ++i) ++var; } int main(int argc, char *argv[]) { __xray_patch(); assert(__xray_log_init_mode("xray-fdr", "") == XRayLogInitStatus::XRAY_LOG_INITIALIZED); std::atomic_thread_fence(std::memory_order_acq_rel); { std::thread t1([] { f1(); }); std::thread t2([] { f2(); }); t1.join(); t2.join(); } std::atomic_thread_fence(std::memory_order_acq_rel); __xray_log_finalize(); __xray_log_flushLog(); __xray_unpatch(); return var > 0 ? 0 : 1; // CHECK: {{.*}}XRay: Log file in '{{.*}}' // CHECK-NOT: Failed } // We want to make sure that the order of the function log doesn't matter. // 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: '' } // 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: '' } // TRACE-DAG: - { type: 0, func-id: [[FID1]], function: {{.*f1.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: {{function-exit|function-tail-exit}}, tsc: {{[0-9]+}}, data: '' } // TRACE-DAG: - { type: 0, func-id: [[FID2]], function: {{.*f2.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: {{function-exit|function-tail-exit}}, tsc: {{[0-9]+}}, data: '' }