commit 9edbae394f1827a2f5d549795848dc892c6531bf
author Xiaozhou Liu <liuxiaozhou@bytedance.com> Sun Feb 23 16:26:09 2020 +0000
committer yonghong-song <ys114321@gmail.com> Mon Feb 24 21:52:08 2020 -0800
tree 088ef6b94f694589c9c0ff59c069e8ba95055b7d
parent c949f613315f19fce1fe5e6dacb1f0e5759c91c9

tools/oomkill: output PID instead of thread ID (user's view)

tools/oomkill.py

diff --git a/tools/oomkill.py b/tools/oomkill.py
index 4f3b6ce..298e353 100755
--- a/tools/oomkill.py
+++ b/tools/oomkill.py
@@ -26,8 +26,8 @@
 #include <linux/oom.h>
 
 struct data_t {
-    u64 fpid;
-    u64 tpid;
+    u32 fpid;
+    u32 tpid;
     u64 pages;
     char fcomm[TASK_COMM_LEN];
     char tcomm[TASK_COMM_LEN];
@@ -40,7 +40,7 @@
     unsigned long totalpages;
     struct task_struct *p = oc->chosen;
     struct data_t data = {};
-    u32 pid = bpf_get_current_pid_tgid();
+    u32 pid = bpf_get_current_pid_tgid() >> 32;
     data.fpid = pid;
     data.tpid = p->pid;
     data.pages = oc->totalpages;