From: Eric Wong <normalperson@...>
Date: 2017-05-28T01:47:46+00:00
Subject: [ruby-core:81428] Re: Fwd: [ruby-changes:46809] normal:r58924 (trunk): test for IO.copy_stream CPU usage (r58534)

SASADA Koichi <ko1@atdot.net> wrote:
> My CI reports many failures on this test_copy_stream_no_busy_wait.

<snip>

Oops, I think I was too aggressive with low thresholds (but I
tested on my old Centrino laptop).

> Is it intentional or not?

No, trying r58934; now.

Can you check the CONFIG_HZ on the Linux machines?
It's in /proc/config.gz if enabled by the kernel; and some distros
have it in /boot/config-$KERNEL_VERSION

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