runqlen: use bpf_get_smp_processor_id()

yingtaojuzi · Dec 14, 2016 · ed02ad8 · ed02ad8
1 parent e80df10
commit ed02ad8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tools/runqlen.py b/tools/runqlen.py
@@ -99,7 +99,7 @@
  bpf_text = bpf_text.replace('STORAGE',
  'BPF_HISTOGRAM(dist, cpu_key_t);')
  bpf_text = bpf_text.replace('STORE', 'cpu_key_t key = {.slot = len}; ' +
- 'bpf_probe_read(&key.cpu, sizeof(key.cpu), &task->wake_cpu);' +
+ 'key.cpu = bpf_get_smp_processor_id(); ' +
  'dist.increment(key);')
 else:
  bpf_text = bpf_text.replace('STORAGE',