[test] update test and add a test script

.github/workflows/user_function_tracer.yml

@@ -33,15 +33,4 @@ jobs:
           bash tools/gen_vmlinux_h.sh > vmlinux/vmlinux.h
           cmake -B build -S . -G Ninja
           cmake --build build
-          gcc test/sleep.c -o test/sleep
-          gcc test/mmap.c -o test/mmap
-          gcc test/strcpy.c -o test/strcpy
-          gcc test/fib.c -o test/fib
-          gcc test/thread.c -o test/thread -pthread
-          g++ test/bench.cpp -o test/bench
-          sudo build/utrace -c test/sleep
-          sudo build/utrace -c test/mmap
-          sudo build/utrace -c test/strcpy
-          sudo build/utrace -c test/fib
-          sudo build/utrace -c test/thread
-          sudo build/utrace -c test/bench --output=/dev/null
+          bash test/run_test.sh

eBPF_Supermarket/User_Function_Tracer/src/report.c

@@ -190,7 +190,7 @@ static void report_summary(struct report *report) {
                                      : vector_sort(function_infos, total_time_greater);
 
   int width = 60;
-  if (env.percent_total) {
+  if (env.percent_total || env.percent_self) {
     LOG(report->printer->out, "  PERCENT  |");
     width += 12;
   }

eBPF_Supermarket/User_Function_Tracer/test/bench.cpp

@@ -1,3 +1,21 @@
+// Copyright 2023 The LMP Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// author: [email protected]
+//
+// Test performance
+
 #include <cstdio>
 #include <chrono>
 

eBPF_Supermarket/User_Function_Tracer/test/fib.c

@@ -14,7 +14,7 @@
 //
 // author: [email protected]
 //
-// 测试递归函数调用
+// Test recursive function calls
 
 int fib(int n) {
   if (n <= 2) return 1;

eBPF_Supermarket/User_Function_Tracer/test/mmap.c

@@ -14,7 +14,7 @@
 //
 // author: [email protected]
 //
-// 测试库函数调用
+// Test library calls
 
 #include <fcntl.h>
 #include <stdio.h>

eBPF_Supermarket/User_Function_Tracer/test/run_test.sh

@@ -0,0 +1,42 @@
+# Copyright 2023 The LMP Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# https://github.com/linuxkerneltravel/lmp/blob/develop/LICENSE
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# author: [email protected]
+#
+# Test script
+
+#!/bin/bash
+
+set -e
+
+for file in test/*; do
+  if [[ $file == *.c ]]; then
+    gcc $file
+    echo "test $file using gcc"
+    sudo build/utrace -c a.out
+    echo "test $file using clang"
+    clang $file
+    sudo build/utrace -c a.out
+  elif [[ $file == *.cpp ]]; then
+    g++ $file
+    echo "test $file using g++"
+    sudo build/utrace -c a.out --output=/dev/null
+    echo "test $file using clang++"
+    clang++ $file
+    sudo build/utrace -c a.out --output=/dev/null
+  fi
+  break
+done
+
+rm a.out

eBPF_Supermarket/User_Function_Tracer/test/sleep.c

@@ -14,7 +14,7 @@
 //
 // author: [email protected]
 //
-// 测试函数时延统计
+// Test function duration measurement
 
 #include <unistd.h>
 

eBPF_Supermarket/User_Function_Tracer/test/strcpy.c

@@ -14,10 +14,11 @@
 //
 // author: [email protected]
 //
-// 测试库函数调用，涉及IFUNC符号
+// Test library calls, involving GNU ifunc calls
 
 #include <stdlib.h>
 #include <string.h>
+
 int main() {
   char *s = "Hello!";
   char *t = malloc(15 * sizeof(char));

eBPF_Supermarket/User_Function_Tracer/test/thread.c

@@ -14,20 +14,20 @@
 //
 // author: [email protected]
 //
-// 测试多线程程序
+// Test multi-threaded program
 
 #include <assert.h>
 #include <pthread.h>
 
-static void* c(void* n) { return n; }
+static void *c(void *n) { return n; }
 
-static void* b(void* n) { return c(n); }
+static void *b(void *n) { return c(n); }
 
-static void* a(void* n) { return b(n); }
+static void *a(void *n) { return b(n); }
 
 int main() {
   int i;
-  void* v;
+  void *v;
   int n = 10;
   pthread_t t[4];
 
@@ -36,6 +36,6 @@ int main() {
     pthread_join(t[i], &v);
   }
 
-  assert(*(int*)v == n);
+  assert(*(int *)v == n);
   return 0;
 }