| // RUN: %clangxx_xray -g -std=c++11 %s -o %t |
| // RUN: rm -f fdr-logging-test-* |
| // RUN: rm -f fdr-unwrite-test-* |
| // RUN: XRAY_OPTIONS="patch_premain=false xray_logfile_base=fdr-logging-test- \ |
| // RUN: xray_mode=xray-fdr verbosity=1" \ |
| // RUN: XRAY_FDR_OPTIONS="func_duration_threshold_us=0" \ |
| // RUN: %run %t 2>&1 | FileCheck %s |
| // RUN: XRAY_OPTIONS="patch_premain=false \ |
| // RUN: xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr \ |
| // RUN: verbosity=1" \ |
| // RUN: XRAY_FDR_OPTIONS="func_duration_threshold_us=5000" \ |
| // RUN: %run %t 2>&1 | FileCheck %s |
| // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \ |
| // RUN: "`ls fdr-logging-test-* | head -1`" \ |
| // RUN: | FileCheck %s --check-prefix=TRACE |
| // RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \ |
| // RUN: "`ls fdr-unwrite-test-* | head -1`" \ |
| // RUN: | FileCheck %s --check-prefix=UNWRITE |
| // RUN: rm fdr-logging-test-* |
| // RUN: rm fdr-unwrite-test-* |
| // 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 <cassert> |
| #include <chrono> |
| #include <cstdio> |
| #include <iostream> |
| #include <stdlib.h> |
| #include <thread> |
| #include <time.h> |
| |
| thread_local uint64_t var = 0; |
| [[clang::xray_always_instrument]] void __attribute__((noinline)) fC() { ++var; } |
| |
| [[clang::xray_always_instrument]] void __attribute__((noinline)) fB() { fC(); } |
| |
| [[clang::xray_always_instrument]] void __attribute__((noinline)) fA() { fB(); } |
| |
| [[clang::xray_always_instrument, clang::xray_log_args(1)]] |
| void __attribute__((noinline)) fArg(int) { } |
| |
| int main(int argc, char *argv[]) { |
| std::cout << "Logging before init." << std::endl; |
| // CHECK: Logging before init. |
| assert(__xray_log_select_mode("xray-fdr") == |
| XRayLogRegisterStatus::XRAY_REGISTRATION_OK); |
| auto status = |
| __xray_log_init_mode("xray-fdr", "buffer_size=16384:buffer_max=10"); |
| assert(status == XRayLogInitStatus::XRAY_LOG_INITIALIZED); |
| std::cout << "Init status " << status << std::endl; |
| // CHECK: Init status {{.*}} |
| std::cout << "Patching..." << std::endl; |
| // CHECK: Patching... |
| __xray_patch(); |
| fA(); |
| fC(); |
| fB(); |
| fA(); |
| fC(); |
| std::thread other_thread([]() { |
| fC(); |
| fB(); |
| fA(); |
| fArg(1); |
| }); |
| other_thread.join(); |
| std::cout << "Joined" << std::endl; |
| // CHECK: Joined |
| std::cout << "Finalize status " << __xray_log_finalize() << std::endl; |
| // CHECK: Finalize status {{.*}} |
| fC(); |
| std::cout << "Main execution var = " << var << std::endl; |
| // CHECK: Main execution var = 6 |
| std::cout << "Flush status " << __xray_log_flushLog() << std::endl; |
| // CHECK: Flush status {{.*}} |
| __xray_unpatch(); |
| return 0; |
| } |
| |
| // Check that we're able to see two threads, each entering and exiting fA(). |
| // TRACE-DAG: - { type: 0, func-id: [[FIDA:[0-9]+]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD1:[0-9]+]], process: [[PROCESS:[0-9]+]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| // TRACE-DAG: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| // |
| // Do the same as above for fC() |
| // TRACE-DAG: - { type: 0, func-id: [[FIDC:[0-9]+]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD1:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| // TRACE-DAG: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| |
| // Do the same as above for fB() |
| // TRACE-DAG: - { type: 0, func-id: [[FIDB:[0-9]+]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD1:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| // TRACE-DAG: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' } |
| // TRACE: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' } |
| |
| // TRACE-DAG: - { type: 0, func-id: [[FIDARG:[0-9]+]], function: 'fArg(int)', args: [ 1 ], cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-enter-arg, tsc: {{[0-9]+}}, data: '' } |
| // TRACE-DAG: - { type: 0, func-id: [[FIDARG]], function: 'fArg(int)', cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-exit, tsc: {{[0-9]+}}, data: '' } |
| |
| // Assert that when unwriting is enabled with a high threshold time, all the function records are erased. A CPU switch could erroneously fail this test, but |
| // is unlikely given the test program. |
| // Even with a high threshold, arg1 logging is never unwritten. |
| // UNWRITE: header: |
| // UNWRITE: records: |
| // UNWRITE-NEXT: - { type: 0, func-id: [[FIDARG:[0-9]+]], function: 'fArg(int)', args: [ 1 ], cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS:[0-9]+]], kind: function-enter-arg, tsc: {{[0-9]+}}, data: '' } |
| // UNWRITE-NEXT: - { type: 0, func-id: [[FIDARG]], function: 'fArg(int)', cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-exit, tsc: {{[0-9]+}}, data: '' } |
| // UNWRITE-NOT: function-enter |
| // UNWRITE-NOT: function-{{exit|tail-exit}} |
