update test

.github/workflows/user_function_tracer.yml

@@ -36,6 +36,10 @@ jobs:
           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
           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

eBPF_Supermarket/User_Function_Tracer/test/fib.c

@@ -1,15 +1,27 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
+// 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: jinyufeng2000@gmail.com
+//
+// 测试递归函数调用
 
 int fib(int n) {
   if (n <= 2) return 1;
   return fib(n - 1) + fib(n - 2);
 }
 
 int main() {
-  sleep(2);
-  int n = 8;
-
-  return !!fib(n);
+  fib(9);
+  return 0;
 }

eBPF_Supermarket/User_Function_Tracer/test/mmap.c

@@ -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: jinyufeng2000@gmail.com
+//
+// 测试库函数调用
+
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>

eBPF_Supermarket/User_Function_Tracer/test/sleep.c

@@ -1,4 +1,21 @@
-#include <stdio.h>
+// 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: jinyufeng2000@gmail.com
+//
+// 测试函数时延统计
+
 #include <unistd.h>
 
 void g() { sleep(2); }

eBPF_Supermarket/User_Function_Tracer/test/strcpy.c

@@ -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: jinyufeng2000@gmail.com
+//
+// 测试库函数调用，涉及IFUNC符号
+
 #include <stdlib.h>
 #include <string.h>
 int main() {

eBPF_Supermarket/User_Function_Tracer/test/thread.c

@@ -0,0 +1,41 @@
+// 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: jinyufeng2000@gmail.com
+//
+// 测试多线程程序
+
+#include <assert.h>
+#include <pthread.h>
+
+static void* c(void* n) { return n; }
+
+static void* b(void* n) { return c(n); }
+
+static void* a(void* n) { return b(n); }
+
+int main() {
+  int i;
+  void* v;
+  int n = 10;
+  pthread_t t[4];
+
+  for (i = 0; i < 4; i++) pthread_create(&t[i], NULL, a, &n);
+  for (i = 0; i < 4; i++) {
+    pthread_join(t[i], &v);
+  }
+
+  assert(*(int*)v == n);
+  return 0;
+}