Fix tools[/old]/offcputime -p PID

We should extract pid before THREAD_FILTER
iovisor · Jun 3, 2016 · 9858ca5 · 9858ca5
1 parent c419edf
commit 9858ca5
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Showing 2 changed files with 2 additions and 4 deletions.
diff --git a/tools/offcputime.py b/tools/offcputime.py
@@ -96,12 +96,11 @@ def signal_ignore(signal, frame):
 BPF_STACK_TRACE(stack_traces, STACK_STORAGE_SIZE)
 
 int oncpu(struct pt_regs *ctx, struct task_struct *prev) {
- u32 pid;
+ u32 pid = prev->pid;
  u64 ts, *tsp;
 
  // record previous thread sleep time
  if (THREAD_FILTER) {
- pid = prev->pid;
  ts = bpf_ktime_get_ns();
  start.update(&pid, &ts);
  }

diff --git a/tools/old/offcputime.py b/tools/old/offcputime.py
@@ -89,12 +89,11 @@ def signal_ignore(signal, frame):
 }
 
 int oncpu(struct pt_regs *ctx, struct task_struct *prev) {
- u32 pid;
+ u32 pid = prev->pid;
  u64 ts, *tsp;
 
  // record previous thread sleep time
  if (FILTER) {
- pid = prev->pid;
  ts = bpf_ktime_get_ns();
  start.update(&pid, &ts);
  }