1838497 - Add a profiler feature to record the clock frequency of every core while sampling

Status: RESOLVED FIXED

(Core :: Gecko Profiler, task, P1)

Comment 1

[Florian Quèze [:florian]]

Attachment: Bug 1838497 - Add a profiler feature to record the clock frequency of every core while sampling, r=canaltinova.

Comment 2

[Paul Adenot (:padenot)]

Attachment: cpu.cpp

This brings down the cost of getting the cpu frequency to 1.5us on my machine, instead of about 6us, by keeping the fd open and seeking to the beginning instead.

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/eab13316c6b3
Add a profiler feature to record the clock frequency of every core while sampling, r=canaltinova.

Comment 4

[Narcis Beleuzu [:NarcisB]]

https://hg.mozilla.org/mozilla-central/rev/eab13316c6b3