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2025-11-19 - 06:44
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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 Wed Nov 19, 2025 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
243902305271,21sleep10-21swapper/119:05:361
244662282215,20sleep00-21swapper/019:06:270
227752274222,22sleep20-21swapper/219:05:132
244932271237,21sleep30-21swapper/319:06:373
3792610,0sleep00-21swapper/023:54:300
155072590,0sleep30-21swapper/321:31:093
320782560,0sleep30-21swapper/323:53:443
156922560,0sleep20-21swapper/223:20:172
208832540,0sleep30-21swapper/323:45:203
28302360,0sleep00-21swapper/023:55:230
51262220,0sleep20-21swapper/221:45:472
168722210,0sleep10-21swapper/122:59:541
151872210,0sleep00-21swapper/021:09:590
32502170,0sleep10-21swapper/100:19:421
107832170,3sleep122-21ksoftirqd/121:00:001
101862160,0sleep30-21swapper/322:10:503
302302150,0sleep10-21swapper/122:24:531
45042130,0sleep30-21swapper/321:45:233
2486699129,2cyclictest22-21ksoftirqd/123:19:591
24866991211,1cyclictest22-21ksoftirqd/100:40:001
24866991210,1cyclictest22-21ksoftirqd/123:45:011
24866991210,1cyclictest22-21ksoftirqd/122:15:011
24866991210,1cyclictest22-21ksoftirqd/121:20:001
24866991210,1cyclictest22-21ksoftirqd/120:20:011
24866991210,1cyclictest22-21ksoftirqd/119:50:011
149062120,0sleep30-21swapper/300:29:093
2486699119,2cyclictest22-21ksoftirqd/120:10:011
2486699115,1cyclictest22-21ksoftirqd/120:15:011
24866991110,1cyclictest22-21ksoftirqd/100:25:011
2487399103,6cyclictest0-21swapper/323:25:143
2486699109,1cyclictest22-21ksoftirqd/122:00:011
2486699109,1cyclictest22-21ksoftirqd/121:50:011
2486699109,1cyclictest22-21ksoftirqd/119:15:011
2486699108,2cyclictest22-21ksoftirqd/120:25:001
2486699108,1cyclictest22-21ksoftirqd/121:29:591
2486699108,1cyclictest22-21ksoftirqd/119:55:011
2486699107,2cyclictest22-21ksoftirqd/120:30:001
2486699103,4cyclictest15755-21munin-run00:05:011
216522100,0sleep30-21swapper/320:10:213
248739994,3cyclictest19982-21systemd-journal23:40:363
248739994,3cyclictest19982-21systemd-journal22:20:013
248739994,3cyclictest19982-21systemd-journal20:06:063
248669998,1cyclictest22-21ksoftirqd/121:40:011
248669998,1cyclictest22-21ksoftirqd/119:15:011
248669997,1cyclictest22-21ksoftirqd/123:30:001
248669997,1cyclictest211rcuc/120:45:011
248669997,1cyclictest211rcuc/100:00:011
248669996,2cyclictest22-21ksoftirqd/122:20:001
248619990,8cyclictest15528-21rm22:15:020
23435290,1sleep023534-21ntp_states00:35:200
26666280,0sleep30-21swapper/323:05:323
248739984,2cyclictest19982-21systemd-journal00:32:133
248739983,3cyclictest19982-21systemd-journal22:10:013
248739983,3cyclictest19982-21systemd-journal20:33:013
248739983,3cyclictest19982-21systemd-journal00:37:133
248709985,2cyclictest29904-21cron21:20:002
248709984,3cyclictest11736-21in:imuxsock20:26:202
248709983,3cyclictest19982-21systemd-journal23:25:062
248669987,1cyclictest22-21ksoftirqd/100:30:011
248669986,2cyclictest22-21ksoftirqd/123:10:001
248669986,2cyclictest22-21ksoftirqd/119:40:001
248669986,1cyclictest22-21ksoftirqd/122:45:011
248669985,2cyclictest22-21ksoftirqd/122:40:011
248669985,2cyclictest22-21ksoftirqd/121:05:001
248669983,3cyclictest19982-21systemd-journal00:11:381
248669982,4cyclictest22-21ksoftirqd/122:00:201
248669981,4cyclictest1-21systemd00:32:281
248669980,7cyclictest29066-21missed_timers22:45:201
248619983,4cyclictest3546-21grep00:20:000
248619983,3cyclictest19982-21systemd-journal22:27:200
248619983,3cyclictest19982-21systemd-journal22:27:200
248619983,3cyclictest19982-21systemd-journal21:22:140
10921280,0sleep30-21swapper/321:28:413
248739976,1cyclictest2200-21kworker/3:021:21:543
248739973,3cyclictest7941-21ntpq19:40:173
248739973,3cyclictest508-21dbus-daemon19:28:463
248739973,3cyclictest508-21dbus-daemon00:12:283
248739973,3cyclictest502-21systemd-logind22:34:263
248739973,3cyclictest19982-21systemd-journal20:48:513
248739973,3cyclictest11736-21in:imuxsock21:00:583
248739973,3cyclictest0-21swapper/322:39:113
248739973,1cyclictest0-21swapper/322:45:463
248739973,1cyclictest0-21swapper/322:40:163
248739973,1cyclictest0-21swapper/322:04:583
248739973,1cyclictest0-21swapper/321:54:213
248739972,4cyclictest34-21ksoftirqd/321:55:223
248739972,3cyclictest19982-21systemd-journal21:38:553
248739972,3cyclictest19982-21systemd-journal21:10:083
248739972,3cyclictest19982-21systemd-journal21:05:493
248739972,3cyclictest19982-21systemd-journal20:26:463
248739972,3cyclictest19982-21systemd-journal19:45:023
248739970,3cyclictest1422-21/usr/sbin/munin23:55:183
248739970,2cyclictest29741-11brltty00:03:423
248739970,1cyclictest9572-21sh22:54:553
248709974,2cyclictest4436-21wc20:45:152
248709974,2cyclictest29741-11brltty23:13:392
248709974,2cyclictest24907-21cron20:20:012
248709974,2cyclictest11736-21in:imuxsock21:11:232
248709974,2cyclictest11198-21ntpq22:55:192
248709973,3cyclictest30654-21snmpd22:03:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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