http://defect.opensolaris.org/bz/show_bug.cgi?id=2948
Summary: PowerTOP reports >100% on wake-up list
Classification: Development
Product: power-mgmt
Version: unspecified
Platform: i86pc/amd64
OS/Version: Solaris
Status: NEW
Severity: normal
Priority: P3
Component: powertop
AssignedTo: rafael.vanoni at sun.com
ReportedBy: patrick.bredenberg at sun.com
QAContact: patrick.bredenberg at sun.com
CC: tesla-dev at opensolaris.org
Estimated Hours: 0.0
If multiple instances of PowerTOP are running on a system and a while-1 thread
is executing, it's been noticed that more than 100% (as high as 160%) is
reported for cross calls:
Top causes for wakeups:
106.0% (1234.7) sched : <cross calls>
8.6% (100.0) <kernel> : unix`cbe_hres_tick
8.6% (100.0) <kernel> : genunix`clock
8.6% (100.0) <kernel> : genunix`cyclic_timer
This was reproduced more than twice on a x4150 with the following CPU type:
x86 (GenuineIntel 10676 family 6 model 23 step 6 clock 3159 MHz)
Intel(r) Xeon(r) CPU X5460 @ 3.16GHz
$
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