fix comment in runqlen

iovisor · Dec 21, 2016 · 0622365 · 0622365
1 parent 3f3acd8
commit 0622365
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/tools/runqlen.py b/tools/runqlen.py
@@ -84,8 +84,8 @@
     bpf_probe_read(&my_q, sizeof(my_q), &task->se.cfs_rq);
     bpf_probe_read(&len, sizeof(len), &my_q->nr_running);
 
-    // Decrement idle thread by dropping the run queue by one. We could do
-    // this other ways if needed, like matching on task->pid.
+    // Calculate run queue length by subtracting the currently running task,
+    // if present. len 0 == idle, len 1 == one running task.
     if (len > 0)
         len--;