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2025-12-29 - 02:06
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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 Sun Dec 28, 2025 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262632325295,20sleep20-21swapper/207:05:342
264922279247,21sleep10-21swapper/107:08:301
263952261228,23sleep30-21swapper/307:07:163
263922256226,19sleep00-21swapper/007:07:130
53772570,0sleep10-21swapper/110:15:421
187532550,0sleep10-21swapper/109:47:081
124502480,0sleep30-21swapper/310:01:353
58832230,0sleep30-21swapper/312:05:273
268952190,0sleep00-21swapper/011:23:070
253982180,0sleep10-21swapper/110:09:291
74752160,0sleep10-21swapper/112:25:161
286202160,0sleep30-21swapper/310:47:283
40092150,0sleep00-21swapper/012:05:130
39152150,0sleep00-21swapper/011:28:320
2673899150,10cyclictest22880-21sh11:02:273
2673899140,9cyclictest24307-21ssh10:26:333
2673899140,11cyclictest26324-21grep12:35:233
2673899140,10cyclictest29406-21ssh11:05:473
2673899140,10cyclictest27304-21ssh12:00:013
2673899140,10cyclictest17328-21ssh11:17:373
204522140,0sleep00-21swapper/012:32:230
2673899133,7cyclictest658-21snmpd11:12:003
2673899133,7cyclictest25562-21ssh09:15:003
2673899130,9cyclictest6133-21ssh09:58:243
2673899130,9cyclictest11228-21ssh10:55:303
2673899130,9cyclictest10605-21ssh12:26:393
2673899130,8cyclictest20112-21ssh11:37:283
2673899130,7cyclictest8067-21date07:37:103
2673899130,7cyclictest26241-21ssh09:50:573
2673899130,10cyclictest9802-21ssh10:36:413
2673899130,10cyclictest8802-21rm09:41:193
2673899130,10cyclictest8650-21sh11:30:383
2673899130,10cyclictest513-21ssh10:13:353
2673899130,10cyclictest4276-21ssh10:51:543
2673899130,10cyclictest3914-21cut10:15:163
2673899130,10cyclictest3590-21sh11:28:183
2673899130,10cyclictest3303-21ls09:20:163
2673899130,10cyclictest29503-21ssh10:30:043
2673899130,10cyclictest29503-21ssh10:30:043
2673899130,10cyclictest26424-21ssh12:17:263
2673899130,10cyclictest26068-21ssh11:40:263
2673899130,10cyclictest24528-21ssh10:08:533
2673899130,10cyclictest23878-21runrttasks09:31:363
2673899130,10cyclictest14336-21ssh09:26:083
2673899130,10cyclictest14061-21ssh10:20:323
2673899130,10cyclictest11962-21ssh11:50:473
119442130,0sleep10-21swapper/110:20:111
284732120,0sleep00-21swapper/012:18:530
2673899120,9cyclictest30527-21ssh12:20:103
2673899120,9cyclictest28438-21ssh09:15:453
2673899120,9cyclictest23176-21ssh12:34:203
2673899120,9cyclictest21088-21ssh11:20:083
2673899120,9cyclictest14972-21ssh10:40:133
2673899120,8cyclictest23057-21cat08:10:153
2673899120,7cyclictest489-21ssh11:45:063
2673899120,7cyclictest29330-21wc09:35:123
2673899120,7cyclictest2002-21cat08:35:163
2673899120,7cyclictest17185-21ssh09:46:003
2673899120,7cyclictest14874-21ssh12:10:333
2673899120,7cyclictest11610-21grep08:55:183
2673599129,2cyclictest28-21ksoftirqd/211:20:012
2673599123,6cyclictest28-21ksoftirqd/211:50:102
2673899110,8cyclictest30623-21taskset08:26:183
2673899110,8cyclictest18650-21ssh11:55:103
2673899110,8cyclictest17432-11brltty08:05:563
2673899110,7cyclictest4335-21sort08:40:143
2673899110,6cyclictest16310-21sshd09:05:423
2673599114,2cyclictest9233-21apt-get10:55:122
2672699110,4cyclictest17258-21grep08:00:010
2673899100,8cyclictest0-21swapper/308:00:143
2673899100,6cyclictest663-21runrttasks07:50:553
2673899100,6cyclictest27930-21mailstats08:20:203
2673899100,6cyclictest24510-21grep08:15:143
2673599109,1cyclictest28-21ksoftirqd/208:00:002
2673599109,1cyclictest28-21ksoftirqd/207:45:002
2673599108,1cyclictest28-21ksoftirqd/212:20:012
2673599107,2cyclictest28-21ksoftirqd/212:35:012
2673599107,2cyclictest28-21ksoftirqd/212:00:002
267389990,8cyclictest8626-21apt-get07:40:123
267389990,8cyclictest7189-21grep08:45:193
267389990,8cyclictest5028-21ntp_states07:30:183
267389990,8cyclictest32057-21apt-get07:20:223
267389990,8cyclictest31705-21fschecks_time08:30:183
267389990,8cyclictest29491-21munin-node07:15:023
267389990,8cyclictest14444-21sshd09:05:003
267389990,8cyclictest12871-21wc07:50:003
267389990,5cyclictest7775-21turbostat08:54:553
267389990,5cyclictest27333-21df_inode07:10:133
267389990,5cyclictest168472chrt07:55:253
267359998,1cyclictest28-21ksoftirqd/209:29:592
267359998,1cyclictest271rcuc/208:35:002
267359997,2cyclictest28-21ksoftirqd/210:55:012
267359997,2cyclictest28-21ksoftirqd/208:30:002
267359997,1cyclictest28-21ksoftirqd/207:15:012
267359996,2cyclictest28-21ksoftirqd/209:10:002
267359994,3cyclictest275-21systemd-journal10:31:432
267359994,3cyclictest275-21systemd-journal10:31:432
267269992,4cyclictest32033-21turbostat09:55:000
267269992,4cyclictest10941-21ls09:25:000
1668290,0sleep00-21swapper/008:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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