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2026-04-06 - 03:28
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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 Mon Apr 06, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
91712310280,19sleep20-21swapper/219:05:302
93572300267,23sleep10-21swapper/119:07:381
94832284231,17sleep30-21swapper/319:09:173
94022265235,20sleep00-21swapper/019:08:130
74292700,2sleep37426-21fschecks_count20:15:153
6382590,0sleep10-21swapper/122:29:311
38732550,0sleep00-21swapper/000:10:000
289912550,0sleep20-21swapper/223:05:402
292882540,0sleep30-21swapper/321:47:173
24502540,0sleep20-21swapper/220:05:012
74262530,0sleep30-21swapper/323:12:453
194582190,0sleep10-21swapper/121:40:571
87722180,0sleep10-21swapper/122:54:001
307652180,0sleep10-21swapper/123:07:031
301732170,0sleep30-21swapper/300:05:183
5442160,0sleep30-21swapper/300:26:453
34272160,0sleep10-21swapper/123:50:071
250062150,0sleep20-21swapper/222:44:212
208782130,0sleep10-21swapper/123:00:421
71572120,0sleep10-21swapper/122:33:111
9648991110,1cyclictest12-21ksoftirqd/021:10:010
965099108,1cyclictest22-21ksoftirqd/123:40:001
965099108,1cyclictest22-21ksoftirqd/100:00:001
964899109,1cyclictest12-21ksoftirqd/021:25:000
964899107,2cyclictest12-21ksoftirqd/020:40:010
16623290,0sleep20-21swapper/223:38:032
96509985,2cyclictest22-21ksoftirqd/100:35:001
96489983,4cyclictest658-21snmpd23:36:370
96489982,3cyclictest25553-21munin-run22:25:010
96489980,7cyclictest0-21swapper/000:20:180
96589975,2cyclictest27304-21sh00:23:413
96589974,2cyclictest658-21snmpd23:21:463
96589973,3cyclictest275-21systemd-journal20:10:253
96589973,3cyclictest10115-21awk21:55:163
96549973,3cyclictest674-21lldpd22:51:522
96549973,3cyclictest658-21snmpd19:18:322
96549973,3cyclictest275-21systemd-journal23:16:282
96549973,3cyclictest275-21systemd-journal19:23:212
96549973,1cyclictest0-21swapper/200:35:212
96549971,3cyclictest26657-21munin-run23:25:002
96509974,1cyclictest8567-21kworker/1:000:16:181
96509973,3cyclictest275-21systemd-journal22:15:011
96509973,3cyclictest275-21systemd-journal00:29:021
96509973,3cyclictest17192-21apt-get19:25:131
96509972,3cyclictest18508-21dump-pmu-power20:40:011
96509970,7cyclictest0-21swapper/120:15:151
96509970,4cyclictest16938-21awk19:25:011
96489975,1cyclictest12-21ksoftirqd/023:20:010
96489975,1cyclictest12-21ksoftirqd/021:55:010
96489973,3cyclictest658-21snmpd21:25:120
96489973,3cyclictest658-21snmpd20:15:070
96489973,3cyclictest275-21systemd-journal21:41:040
96489973,3cyclictest16119-21cron21:20:010
6242270,0sleep20-21swapper/200:10:222
31334270,0sleep10-21swapper/119:55:151
29829270,0sleep20-21swapper/223:26:062
9674260,0sleep00-21swapper/022:15:130
96589966,0cyclictest0-21swapper/323:47:223
96589966,0cyclictest0-21swapper/322:46:523
96589966,0cyclictest0-21swapper/322:20:533
96589964,1cyclictest4171-21cut23:50:143
96589963,2cyclictest658-21snmpd19:32:123
96589963,2cyclictest5418-21awk00:10:173
96589963,2cyclictest4814-21ssh22:11:523
96589963,2cyclictest30117-21taskset19:53:053
96589963,2cyclictest29169-21rm23:25:343
96589963,2cyclictest22824-21chrt21:43:353
96589963,2cyclictest22300-21cat19:35:153
96589963,2cyclictest21127-21sh22:41:193
96589963,2cyclictest13817-21ntp_states00:15:163
96589963,2cyclictest11389-21ssh22:15:223
96589963,2cyclictest10507-21if_enp4s019:10:143
96589963,1cyclictest0-21swapper/323:56:443
96589963,1cyclictest0-21swapper/321:50:043
96589962,3cyclictest658-21snmpd23:18:223
96589962,3cyclictest658-21snmpd23:05:223
96589962,3cyclictest658-21snmpd23:01:253
96589962,3cyclictest658-21snmpd22:27:533
96589962,3cyclictest658-21snmpd21:34:563
96589962,3cyclictest658-21snmpd21:16:183
96589962,3cyclictest658-21snmpd20:54:443
96589962,3cyclictest658-21snmpd20:36:593
96589962,3cyclictest658-21snmpd20:26:583
96589962,3cyclictest658-21snmpd20:05:013
96589962,3cyclictest658-21snmpd20:00:583
96589962,3cyclictest658-21snmpd19:25:153
96589962,3cyclictest275-21systemd-journal19:40:443
96589962,3cyclictest26108-21cat20:55:143
96589962,3cyclictest0-21swapper/322:55:113
96589962,3cyclictest0-21swapper/322:55:113
96589962,2cyclictest275-21systemd-journal00:37:223
96589962,2cyclictest275-21systemd-journal00:00:003
96589962,1cyclictest0-21swapper/322:09:103
96589960,6cyclictest0-21swapper/323:40:163
96589960,6cyclictest0-21swapper/323:35:493
96589960,6cyclictest0-21swapper/323:31:223
96589960,6cyclictest0-21swapper/322:36:533
96589960,6cyclictest0-21swapper/321:11:503
96589960,2cyclictest27983-21taskset21:00:133
96589960,0cyclictest0-21swapper/322:00:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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