[U-Boot] [PATCH] lib: time: Add microsecond timer

Marek Vasut marek.vasut at gmail.com
Wed Oct 16 17:26:44 UTC 2019

On 10/16/19 7:11 PM, Eugeniu Rosca wrote:
> On Tue, Oct 15, 2019 at 10:43:41PM +0200, Marek Vasut wrote:
>> Add get_timer_us(), which is useful e.g. when we need higher
>> precision timestamps.
> FWIW, I agree with Simon that bootstage [1] can be an awesome tool for
> profiling and boot time measurements. With a bit of instrumentation and
> host-side scripting, it allows to produce accurate bootcharts like [2].
> [1] https://patchwork.ozlabs.org/patch/1177393/#2281091
> [2] https://i.ibb.co/mG6Xc1p/2019-10-16-190251.png

I don't need that though, I really only need to know how long the code
spent between two points in code.

Best regards,
Marek Vasut

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