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2026-07-07 - 06:21
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Tue Jul 07, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310842960,2sleep10-21swapper/119:02:271
31855998933,39cyclictest9906-21systemd22:40:431
189422740,2sleep13185599cyclictest23:06:201
31897997270,2cyclictest1844-21nfsd22:40:426
67312560,1sleep76723-21sshd23:15:317
106762540,0sleep20-21swapper/221:56:052
3144825327,9sleep40-21swapper/419:03:354
313192500,0sleep20-21swapper/223:22:472
280072490,1sleep628003-21bash23:36:056
280072490,1sleep628003-21bash23:36:056
243462490,0sleep124348-21kworker/u16:222:53:151
285912470,0sleep50-21swapper/522:14:425
67082460,0sleep10-21swapper/100:25:091
67082460,0sleep10-21swapper/100:25:091
171542460,0sleep717151-21sshd21:39:127
11602460,0sleep20-21swapper/200:13:172
322162450,0sleep60-21swapper/600:01:366
125722450,1sleep012571-21grepconf.sh22:03:560
114582450,1sleep211456-21grepconf.sh00:25:262
114582450,1sleep211456-21grepconf.sh00:25:262
94982440,0sleep49489-21sshd22:05:444
62702440,0sleep00-21swapper/022:46:250
270232440,0sleep20-21swapper/222:22:242
232502440,2sleep13185599cyclictest00:04:511
227062440,0sleep00-21swapper/021:14:300
120122440,0sleep40-21swapper/400:08:064
113142440,0sleep30-21swapper/321:57:583
110372440,1sleep111036-21grepconf.sh22:27:201
290872430,0sleep665-21ksoftirqd/600:34:206
3157124230,9sleep30-21swapper/319:05:103
253102420,1sleep425311-21grepconf.sh22:41:404
189022420,2sleep73190499cyclictest00:00:497
159492420,0sleep70-21swapper/700:27:327
3156124129,9sleep20-21swapper/219:05:012
254112410,1sleep025406-21bash22:35:440
189312410,0sleep30-21swapper/322:37:233
324512400,1sleep341-21ksoftirqd/300:20:553
324512400,1sleep341-21ksoftirqd/300:20:553
3137424028,8sleep70-21swapper/719:02:347
213192400,0sleep70-21swapper/722:00:437
47142390,0sleep70-21swapper/723:42:307
326892390,0sleep30-21swapper/323:24:483
31889993936,3cyclictest2880-21kworker/5:422:40:435
318192390,0sleep10-21swapper/122:14:541
278592390,0sleep0111rcuc/021:08:540
3144123827,8sleep60-21swapper/619:03:296
3142223825,9sleep50-21swapper/519:03:125
3141723827,8sleep00-21swapper/019:03:070
294782380,0sleep40-21swapper/422:01:124
31863993634,1cyclictest13550irq/24-ahci[00022:40:422
31904992815,12cyclictest622-21kworker/7:322:40:427
3184799253,14cyclictest0-21swapper/022:40:420
255482250,14sleep09-21ksoftirqd/021:34:010
3188999220,2cyclictest2025-21sd-pam23:44:245
31880992220,1cyclictest26999-21kworker/4:621:13:134
31880992215,4cyclictest49-21ksoftirqd/422:48:314
3188999210,3cyclictest19910-21grep23:10:235
3188999210,2cyclictest10271-21sshd00:25:235
3188999210,2cyclictest10271-21sshd00:25:235
3188099216,1cyclictest49-21ksoftirqd/421:49:254
3188099216,1cyclictest49-21ksoftirqd/421:49:254
31847992113,3cyclictest9-21ksoftirqd/023:47:290
31847992111,5cyclictest30634-21sshd00:30:290
3188999200,2cyclictest721-21dbus-daemon23:32:325
3188999200,2cyclictest721-21dbus-daemon23:32:325
31880992016,3cyclictest49-21ksoftirqd/422:26:044
31880992014,3cyclictest49-21ksoftirqd/423:51:084
3188099199,2cyclictest49-21ksoftirqd/422:36:444
3188099195,2cyclictest49-21ksoftirqd/422:45:254
31880991915,3cyclictest49-21ksoftirqd/423:20:584
31880991915,1cyclictest49-21ksoftirqd/400:24:394
31880991915,1cyclictest49-21ksoftirqd/400:24:394
3184799198,11cyclictest0-21swapper/000:06:450
3184799198,0cyclictest0-21swapper/020:41:470
3184799197,1cyclictest0-21swapper/023:12:230
250772190,1sleep31-21systemd22:06:393
31904991813,3cyclictest73-21ksoftirqd/723:25:407
3188999183,6cyclictest21866-21grepconf.sh23:26:145
3188999180,2cyclictest21337-21sd-pam21:45:095
3188999180,1cyclictest5599-21sshd23:52:205
3188999180,1cyclictest1261-21sshd22:24:405
3188999180,1cyclictest0-21swapper/522:09:005
3188099185,1cyclictest49-21ksoftirqd/421:42:304
3188099184,2cyclictest49-21ksoftirqd/421:39:484
3188099182,1cyclictest49-21ksoftirqd/422:15:484
31880991816,2cyclictest49-21ksoftirqd/421:29:264
31880991814,1cyclictest49-21ksoftirqd/423:05:374
31880991813,3cyclictest49-21ksoftirqd/423:10:324
31880991810,1cyclictest49-21ksoftirqd/422:53:214
3188099181,2cyclictest49-21ksoftirqd/422:30:234
3188099180,2cyclictest121rcu_preempt21:55:524
3188099180,1cyclictest17441-21bash23:31:424
3188099180,1cyclictest17441-21bash23:31:424
31855991816,1cyclictest25-21ksoftirqd/121:50:331
31855991816,1cyclictest25-21ksoftirqd/121:50:331
3184799187,0cyclictest0-21swapper/019:23:240
54182170,0sleep70-21swapper/722:56:017
3188999170,2cyclictest6645-21sd-pam22:44:275
3188099175,1cyclictest49-21ksoftirqd/421:11:224
3188099174,2cyclictest49-21ksoftirqd/400:00:274
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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