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Re: CVS commit: src
On Fri, Mar 10, 2017 at 13:09:11 +0000, Maxime Villard wrote:
> Module Name: src
> Committed By: maxv
> Date: Fri Mar 10 13:09:11 UTC 2017
> Modified Files:
> src/sys/arch/i386/i386: pmc.c
> src/sys/arch/x86/include: sysarch.h
> src/usr.bin/pmc: pmc.1 pmc.c
> Log Message:
> Switch to per-CPU PMC results, and completely rewrite the pmc(1) tool. Now
> the PMCs are system-wide, fine-grained and more tunable by the user.
> We don't do application tracking, since it would require to store the PMC
> values in mdproc and starting/stopping the counters on each context switch.
> While this doesn't seem to be particularly difficult to achieve, I don't
> think it is really interesting; and if someone really wants to measure
> the performance of an application, they can simply schedctl it to a cpu
> and look at the PMC results for this cpu.
How does that affects the MI pmc(9) API?
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