Re: [RFC PATCH 0/3] latencytop lock usage improvement
From: Peter Zijlstra
Date: Tue Apr 30 2019 - 04:09:34 EST
On Mon, Apr 29, 2019 at 04:03:28PM +0800, Feng Tang wrote:
> Hi All,
>
> latencytop is a very nice tool for tracing system latency hotspots, and
> we heavily use it in our LKP test suites.
What data does latency-top give that perf cannot give you? Ideally we'd
remove latencytop entirely.