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2024-04-26 - 22:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackaslot8.osadl.org (updated Fri Apr 26, 2024 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58072285251,22sleep20-21swapper/207:09:472
58032275241,21sleep30-21swapper/307:09:443
55142266233,21sleep10-21swapper/107:06:121
58002255221,22sleep00-21swapper/007:09:410
255982550,0sleep30-21swapper/311:24:193
305092200,0sleep20-21swapper/210:34:242
303772150,0sleep10-21swapper/111:27:201
14892150,0sleep20-21swapper/210:35:522
81692120,0sleep20-21swapper/210:42:332
81182120,0sleep10-21swapper/110:42:281
593099107,2cyclictest22-21ksoftirqd/111:45:001
592599104,3cyclictest27314-21awk11:50:010
59339995,3cyclictest508-21dbus-daemon08:10:072
59339995,3cyclictest18843-21ssh10:50:382
59259994,2cyclictest30527-21munin-run09:40:010
29547290,0sleep20-21swapper/212:12:312
18059290,0sleep30-21swapper/312:05:103
16448290,0sleep10-21swapper/109:27:191
7452280,0sleep10-21swapper/110:15:131
59389983,3cyclictest19982-21systemd-journal11:30:333
59389983,3cyclictest19982-21systemd-journal09:47:493
59389983,3cyclictest19982-21systemd-journal09:09:213
59389983,3cyclictest19982-21systemd-journal08:45:003
59389983,3cyclictest19982-21systemd-journal08:24:503
59339985,2cyclictest28-21ksoftirqd/207:30:002
59339985,2cyclictest13388-21snmpd12:34:452
59339984,3cyclictest19982-21systemd-journal07:45:292
59339983,3cyclictest19982-21systemd-journal12:23:202
59339983,3cyclictest19982-21systemd-journal12:23:202
59339983,3cyclictest19982-21systemd-journal09:50:112
59339983,3cyclictest19982-21systemd-journal09:20:492
59309986,1cyclictest22-21ksoftirqd/112:20:001
59309986,1cyclictest22-21ksoftirqd/112:10:001
59309984,3cyclictest508-21dbus-daemon09:33:311
59309984,3cyclictest19982-21systemd-journal09:40:111
59309984,3cyclictest19116-21gdbus11:40:001
59309980,1cyclictest4470-21ssh11:32:101
59259985,2cyclictest11736-21in:imuxsock10:19:500
59259984,3cyclictest19275-21/usr/sbin/munin10:25:180
59259984,2cyclictest19982-21systemd-journal12:36:170
59259983,3cyclictest19982-21systemd-journal08:05:300
59389974,2cyclictest508-21dbus-daemon12:22:563
59389974,2cyclictest508-21dbus-daemon12:22:563
59389974,2cyclictest508-21dbus-daemon07:27:083
59389973,3cyclictest508-21dbus-daemon08:12:123
59389973,3cyclictest508-21dbus-daemon07:45:003
59389973,3cyclictest19982-21systemd-journal11:45:473
59389973,3cyclictest19982-21systemd-journal10:56:493
59389973,3cyclictest19982-21systemd-journal10:45:503
59389973,3cyclictest19982-21systemd-journal07:35:493
59389973,3cyclictest16969-21lldpd09:17:333
59389973,3cyclictest16050-21awk07:30:113
59389973,3cyclictest0-21swapper/310:17:533
59389973,1cyclictest0-21swapper/311:25:303
59389973,1cyclictest0-21swapper/310:33:483
59389972,3cyclictest19982-21systemd-journal12:15:013
59389972,3cyclictest19982-21systemd-journal11:55:483
59389972,3cyclictest19982-21systemd-journal10:09:003
59389970,6cyclictest27711-21/usr/sbin/munin11:50:153
59389970,2cyclictest4416-21diskstats08:15:133
59389970,1cyclictest27015-21diskmemload10:22:473
59389970,1cyclictest0-21swapper/310:37:273
59339975,1cyclictest281ksoftirqd/212:40:002
59339974,2cyclictest11736-21in:imuxsock11:45:332
59339973,3cyclictest508-21dbus-daemon08:05:012
59339973,3cyclictest508-21dbus-daemon07:20:022
59339973,3cyclictest22607-21ntpq10:00:232
59339973,3cyclictest220172sleep212:29:082
59339973,3cyclictest19982-21systemd-journal09:00:352
59339973,3cyclictest19982-21systemd-journal08:40:582
59339973,2cyclictest19982-21systemd-journal08:22:492
59339973,2cyclictest15447-21ssh09:26:012
59339973,1cyclictest0-21swapper/209:30:452
59339972,3cyclictest19982-21systemd-journal10:19:512
59339972,3cyclictest19982-21systemd-journal10:10:022
59339972,3cyclictest19982-21systemd-journal07:12:082
59339971,3cyclictest13388-21snmpd11:26:582
59339971,3cyclictest11123-21idleruntime-cro08:35:002
59309976,1cyclictest22-21ksoftirqd/110:10:011
59309975,2cyclictest22-21ksoftirqd/112:40:011
59309974,2cyclictest502-21systemd-logind11:11:341
59309973,3cyclictest508-21dbus-daemon10:37:221
59309973,3cyclictest508-21dbus-daemon07:15:011
59309973,3cyclictest13388-21snmpd12:24:241
59309973,3cyclictest13388-21snmpd12:24:241
59309973,3cyclictest13388-21snmpd07:46:141
59309973,3cyclictest0-21swapper/109:36:291
59309972,4cyclictest13388-21snmpd12:33:571
59309972,3cyclictest19982-21systemd-journal07:26:421
59309970,1cyclictest11162-21ssh09:23:201
59259975,1cyclictest11736-21in:imuxsock10:06:050
59259974,2cyclictest508-21dbus-daemon12:02:030
59259974,2cyclictest508-21dbus-daemon09:06:490
59259974,2cyclictest30341-21grep08:00:130
59259974,2cyclictest19982-21systemd-journal11:30:310
59259974,2cyclictest1-21systemd11:21:350
59259974,2cyclictest11736-21in:imuxsock10:22:210
59259973,3cyclictest508-21dbus-daemon10:51:590
59259973,3cyclictest508-21dbus-daemon09:46:540
59259973,3cyclictest13388-21snmpd10:04:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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