1// RUN: %clangxx_xray -g -std=c++11 %s -o %t
2// RUN: rm -f fdr-logging-test-*
3// RUN: rm -f fdr-unwrite-test-*
4// RUN: XRAY_OPTIONS="patch_premain=false xray_logfile_base=fdr-logging-test- \
5// RUN: xray_mode=xray-fdr verbosity=1" \
6// RUN: XRAY_FDR_OPTIONS="func_duration_threshold_us=0" \
7// RUN: %run %t 2>&1 | FileCheck %s
8// RUN: XRAY_OPTIONS="patch_premain=false \
9// RUN: xray_logfile_base=fdr-unwrite-test- xray_mode=xray-fdr \
10// RUN: verbosity=1" \
11// RUN: XRAY_FDR_OPTIONS="func_duration_threshold_us=5000" \
12// RUN: %run %t 2>&1 | FileCheck %s
13// RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \
14// RUN: "`ls fdr-logging-test-* | head -1`" \
15// RUN: | FileCheck %s --check-prefix=TRACE
16// RUN: %llvm_xray convert --symbolize --output-format=yaml -instr_map=%t \
17// RUN: "`ls fdr-unwrite-test-* | head -1`" \
18// RUN: | FileCheck %s --check-prefix=UNWRITE
19// RUN: rm fdr-logging-test-*
20// RUN: rm fdr-unwrite-test-*
21// UNSUPPORTED: target=powerpc64le-{{.*}}
22/// TODO: FDR logging arg1 handler(__xray_ArgLoggerEntry) hasn't implemented yet on LoongArch
23// UNSUPPORTED: target=loongarch64{{.*}}
24// REQUIRES: built-in-llvm-tree
25
26#include "xray/xray_log_interface.h"
27#include <cassert>
28#include <chrono>
29#include <cstdio>
30#include <iostream>
31#include <stdlib.h>
32#include <thread>
33#include <time.h>
34
35thread_local uint64_t var = 0;
36[[clang::xray_always_instrument]] void __attribute__((noinline)) fC() { ++var; }
37
38[[clang::xray_always_instrument]] void __attribute__((noinline)) fB() { fC(); }
39
40[[clang::xray_always_instrument]] void __attribute__((noinline)) fA() { fB(); }
41
42[[clang::xray_always_instrument, clang::xray_log_args(1)]]
43void __attribute__((noinline)) fArg(int) { }
44
45int main(int argc, char *argv[]) {
46 std::cout << "Logging before init." << std::endl;
47 // CHECK: Logging before init.
48 assert(__xray_log_select_mode("xray-fdr") ==
49 XRayLogRegisterStatus::XRAY_REGISTRATION_OK);
50 auto status =
51 __xray_log_init_mode(Mode: "xray-fdr", Config: "buffer_size=16384:buffer_max=10");
52 assert(status == XRayLogInitStatus::XRAY_LOG_INITIALIZED);
53 std::cout << "Init status " << status << std::endl;
54 // CHECK: Init status {{.*}}
55 std::cout << "Patching..." << std::endl;
56 // CHECK: Patching...
57 __xray_patch();
58 fA();
59 fC();
60 fB();
61 fA();
62 fC();
63 std::thread other_thread([]() {
64 fC();
65 fB();
66 fA();
67 fArg(1);
68 });
69 other_thread.join();
70 std::cout << "Joined" << std::endl;
71 // CHECK: Joined
72 std::cout << "Finalize status " << __xray_log_finalize() << std::endl;
73 // CHECK: Finalize status {{.*}}
74 fC();
75 std::cout << "Main execution var = " << var << std::endl;
76 // CHECK: Main execution var = 6
77 std::cout << "Flush status " << __xray_log_flushLog() << std::endl;
78 // CHECK: Flush status {{.*}}
79 __xray_unpatch();
80 return 0;
81}
82
83// Check that we're able to see two threads, each entering and exiting fA().
84// 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: '' }
85// TRACE: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
86// TRACE-DAG: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' }
87// TRACE: - { type: 0, func-id: [[FIDA]], function: {{.*fA.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
88//
89// Do the same as above for fC()
90// 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: '' }
91// TRACE: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
92// TRACE-DAG: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' }
93// TRACE: - { type: 0, func-id: [[FIDC]], function: {{.*fC.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
94
95// Do the same as above for fB()
96// 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: '' }
97// TRACE: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD1]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
98// TRACE-DAG: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD2:[0-9]+]], process: [[PROCESS]], kind: function-enter, tsc: {{[0-9]+}}, data: '' }
99// TRACE: - { type: 0, func-id: [[FIDB]], function: {{.*fB.*}}, cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-{{exit|tail-exit}}, tsc: {{[0-9]+}}, data: '' }
100
101// 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: '' }
102// TRACE-DAG: - { type: 0, func-id: [[FIDARG]], function: 'fArg(int)', cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-exit, tsc: {{[0-9]+}}, data: '' }
103
104// 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
105// is unlikely given the test program.
106// Even with a high threshold, arg1 logging is never unwritten.
107// UNWRITE: header:
108// UNWRITE: records:
109// 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: '' }
110// UNWRITE-NEXT: - { type: 0, func-id: [[FIDARG]], function: 'fArg(int)', cpu: {{.*}}, thread: [[THREAD2]], process: [[PROCESS]], kind: function-exit, tsc: {{[0-9]+}}, data: '' }
111// UNWRITE-NOT: function-enter
112// UNWRITE-NOT: function-{{exit|tail-exit}}
113

source code of compiler-rt/test/xray/TestCases/Posix/fdr-mode.cpp