On Thu, 4 Aug 2016 11:30:33 -0400
Steven Rostedt <rost...@goodmis.org> wrote:

> Note, I'm currently working on adding code to detect NMIs to this as
> well. And perhaps even tracing SMI counters. Just to show what caused
> the latency, as latency isn't measured by the counters (that I know of).
> 

I like the trace report, but for one small thing; I think it's worth either 
adding units to the reported latency values (us suffix) or putting in a header 
line that hwlatdetect values are reported in microseconds.

>    <...>-2644  [001] d...   202.735708: [99] inner:13 outer:16 
> ts:1470352534.886878855
>    <...>-2644  [001] d...   206.767274: [100] inner:14 outer:18747 
> ts:1470352538.917966818 smi-total:2
>    <...>-2644  [002] d...   207.775164: [101] inner:0 outer:19162 
> ts:1470352539.920988709 smi-total:6
>    <...>-2644  [003] d...   208.783067: [102] inner:19376 outer:19276 
> ts:1470352540.923010578 smi-total:6
>    <...>-2644  [000] d...   209.827416: [103] inner:19650 outer:20665 
> ts:1470352541.926032469 smi-total:6
>    <...>-2644  [001] d...   210.831062: [104] inner:20526 outer:20680 
> ts:1470352542.973055312 smi-total:6

Clark

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Ruining natural selection since 1790

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