Commit 84066f1b authored by Jordan Rhee's avatar Jordan Rhee Committed by Brad Fitzpatrick
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runtime: use QPC to implement cputicks() on windows/arm 

Tracing uses cputicks() to generate trace event timestamps. cputicks()
is expected to be a high resolution clock source. On Windows/ARM,
call QueryPerformanceCounter() which is the highest resolution clock
source available.

Updates #26148

Change-Id: I987fa556060b3d60c02f07b87b9e6320b9b026e2
Reviewed-on: https://go-review.googlesource.com/c/154762


Reviewed-by: default avatarBrad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: default avatarAustin Clements <austin@google.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
parent d0f8a751
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