[DragonFlyBSD - Bug #233] Very high CPU usage running growisofs

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Mon Oct 29 20:36:19 PDT 2018


Issue #233 has been updated by funnyjokes.

Description updated

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Bug #233: Very high CPU usage running growisofs
http://bugs.dragonflybsd.org/issues/233#change-13525

* Author: steve
* Status: Closed
* Priority: Normal
* Assignee: 
* Category: 
* Target version: 
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Hi,

	On 1.5.4-Preview using an up to date pkgsrc the growisofs program
is eating CPU (it's CPU bound on an AMD64 and burning very slowly ~ 1.5MB/s
instead of ~10MB/s which is usual for the media I have to hand). Pointing
truss at the running process reveals over 10k calls per second to
sys_set_tls_area - all identical viz:

sys_set_tls_area(0x0,0x28262f98,0x8)             = 123 (0x7b)

	Any ideas or suggestions for further investigation ?



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