修改BCC_sar

albertxu216 · Sep 19, 2024 · 3dd669b · 3dd669b
1 parent e81328a
commit 3dd669b
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Showing 2 changed files with 10 additions and 10 deletions.
diff --git a/eBPF_Supermarket/CPU_Subsystem/old_project/BCC_sar/src/sar/sar_perpro.bpf.c b/eBPF_Supermarket/CPU_Subsystem/old_project/BCC_sar/src/sar/sar_perpro.bpf.c
@@ -145,17 +145,17 @@ __always_inline static void on_sys_exit(u64 time) {
 }
 
 // 进入用户态
-int exit_to_user_mode_prepare() {
-	// Step1: 记录user开始时间，和当前的in_user状态
-	struct task_struct *ts = (struct task_struct *)bpf_get_current_task();
-	if (ts->pid != TARGET_PID) return 0;
-	u64 time = bpf_ktime_get_ns();
+// int exit_to_user_mode_prepare() {
+// 	// Step1: 记录user开始时间，和当前的in_user状态
+// 	struct task_struct *ts = (struct task_struct *)bpf_get_current_task();
+// 	if (ts->pid != TARGET_PID) return 0;
+// 	u64 time = bpf_ktime_get_ns();
 
-	on_user_enter(time);
-	on_sys_exit(time);
+// 	on_user_enter(time);
+// 	on_sys_exit(time);
 
-	return 0;
-}
+// 	return 0;
+// }
 
 // 获取进程切换数
 int trace_sched_switch(struct cswch_args *info) {

diff --git a/eBPF_Supermarket/CPU_Subsystem/old_project/BCC_sar/src/sar/sar_perpro.py b/eBPF_Supermarket/CPU_Subsystem/old_project/BCC_sar/src/sar/sar_perpro.py
@@ -34,7 +34,7 @@ def attach_probe(pid: int):
     bpf.attach_tracepoint(tp="irq:irq_handler_exit", fn_name="trace_irq_handler_exit")
     bpf.attach_tracepoint(tp="raw_syscalls:sys_enter", fn_name="trace_sys_enter")
     # bpf.attach_tracepoint(tp="raw_syscalls:sys_exit", fn_name="trace_sys_exit")
-    bpf.attach_kprobe(event="exit_to_user_mode_prepare",fn_name="exit_to_user_mode_prepare")
+    # bpf.attach_kprobe(event="exit_to_user_mode_prepare",fn_name="exit_to_user_mode_prepare")
     return bpf
 
 def perpro_main(args, pid: int):