From: Brendan Gregg <brendan.d.gregg@gmail.com>
Date: Wed, 21 Dec 2016 23:35:36 +0000 (-0800)
Subject: fix comment in runqlen
X-Git-Tag: v0.3.0~91^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=06223652967d112b1c9706538ba968b4f743f6b8;p=platform%2Fupstream%2Fbcc.git

fix comment in runqlen
---

diff --git a/tools/runqlen.py b/tools/runqlen.py
index 5092e5c..4c8a095 100755
--- a/tools/runqlen.py
+++ b/tools/runqlen.py
@@ -84,8 +84,8 @@ int do_perf_event()
     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--;