Re: Periodic momentary loss of focus in 2.1.3
Re: Periodic momentary loss of focus in 2.1.3
- Subject: Re: Periodic momentary loss of focus in 2.1.3
- From: robert delius royar <email@hidden>
- Date: Sun, 10 Feb 2008 13:02:46 -0500
- Organization: An Apple OS X end user
- Priority: normal
Sun, 10 Feb 2008 (12:11 -0500 UTC) Tom Lane wrote:
Ben Byer <email@hidden> writes:
On Feb 9, 2008, at 7:22 AM, Luc Bourhis wrote:
I noticed that too. Time machine?
This was actually my first thought, too, because it's the only thing I
happen to know of that does something exactly once per hour.
I now have three or four Shark traces of the dropout, all showing "iCal
Helper" being started (from launchd), running for a little while, and
exiting, right at the time of the dropout --- or at least as close as
I can tell, since the trace isn't calibrated to wall clock time very
well. I don't see any evidence of Time Machine being active. No
user-visible apps except X11 and Shark were open at all.
I don't normally keep iCal open, but I do have a few future events with
alarms in it, so I'm thinking that's the triggering condition. Can
anyone else who's seeing this confirm or deny whether they do likewise?
It seems entirely possible that there are other ways to trigger the same
kind of problem, for instance if I had Time Machine configured maybe it
would cause it too.
I'd be happy to send my Shark sessions to anyone who wants to look
at 'em, but interpreting them further than this seems to require
more OSX-fu than I have.
regards, tom lane
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I do not have an iCal Helper process (ps auxww | grep -i 'ica[l]'
returns nothing). However, in addition to backupd, I have seen mds
spike at the time the drop out occurs (and occasionally mdworker).
Doesn't mds tie into file system events? I believe that backupd uses
the fsevent, and the fseventsd runs early (before mds) whether there is
a TimeMachine connected or not. Because iCal's new set up allows
quicklooks at individual appointments, I bet its helper could trigger
mds which could trigger an fsevent. But I have never seen the drop out
in a non-X11 window.
% top -o cpu
PID COMMAND %CPU TIME #TH #PRTS #MREGS RPRVT RSHRD RSIZE VSIZE
2055 backupd 35.6% 0:22.34 2 55 49 5552K 10M 8124K 36M
46 mds 15.7% 0:35.05 16 275 353 60M- 7576K 25M- 312M-
2010 top 6.1% 0:14.85 1 32 29 1080K 212K 1700K 18M
0 kernel_tas 2.4% 1:50.90 46 2 412 7704K 0 220M 227M
1916 Xquartz 1.5% 0:12.07 3 91 164 6540K 33M 26M 254M
73 WindowServ 1.1% 3:31.46 3 225 863 6236K+ 38M 46M+ 245M+
156 SystemUISe 0.9% 2:38.89 4 167 271 2620K 15M 8976K 208M
52 fseventsd 0.4% 0:03.05 10 61 69 1332K 196K 1832K 23M
1955 xterm 0.3% 0:00.78 1 23 98 4168K 4816K 8380K 26M
2071 nmblookup 0.2% 0:00.05 1 14 30 364K+ 196K- 1056K+ 20M
1000 Safari 0.1% 1:03.27 9 168 543 25M 31M 65M 305M
158 Finder 0.1% 0:23.25 8 187 267 4068K 30M 17M 253M
19 configd 0.0% 0:18.52 3 172 72 296K 364K 1904K 19M
--
Dr. Robert Delius Royar Associate Professor of English
Morehead State University Morehead, Kentucky
Making meaning one message at a time.
I cleaned the rug in the living room today and I now have two new pets.
-Tamara, in alt.religion.kibology
uptime: /dev/tty??: No such file or directory
12:52 up 4:03, 1 user, load averages: 0.14 0.33 0.27
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