Openmoko Bug #1315: xglamo: Performance decreases after a while
Openmoko Public Trac
bugs at docs.openmoko.org
Thu Aug 28 14:12:59 CEST 2008
#1315: xglamo: Performance decreases after a while
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Reporter: zecke at selfish.org | Owner: openmoko-devel
Type: defect | Status: new
Priority: highest | Milestone:
Component: Xfbdev (kdrive), Xglamo | Version: Om2008.8
Severity: critical | Resolution:
Keywords: | Blockedby:
Reproducible: | Blocking:
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Comment(by sillern):
I'm experiencing this issue quite often, I haven't been able to figure out
how to reproduce it quick enough though.
I just let it suspend and wake up a few times during a longer period, I
notice it after a few hours.
What can I do to debug this?
From what I can see, as others also have pointed out, it's spinning
heavily in gettimeofday()
root at om-gta02:~# time strace -cp `pidof Xglamo`
Process 2090 attached - interrupt to quit
Process 2090 detached
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
99.86 15.487621 76 204940 gettimeofday
0.05 0.007351 18 412 nanosleep
0.04 0.006493 63 103 select
0.03 0.004623 22 206 setitimer
0.02 0.003630 35 103 sigreturn
------ ----------- ----------- --------- --------- ----------------
100.00 15.509718 205764 total
real 8m 40.40s
user 0m 27.72s
sys 3m 33.95s
root at om-gta02:~#
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/1315#comment:19>
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