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2026-09-19 - 10:14
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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 Sat Sep 19, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1509521020,0sleep30-21swapper/322:38:463
255982980,2sleep61097899cyclictest00:27:176
10978999712,80cyclictest1-21systemd21:41:576
272892880,0sleep427287-21systemd-cgroups00:27:234
171462870,2sleep01092699cyclictest23:19:030
279102840,1sleep527908-21sshd22:02:515
228032760,2sleep21094399cyclictest23:11:532
298462730,2sleep31095099cyclictest23:08:253
243462690,2sleep41096299cyclictest21:28:144
183062690,0sleep50-21swapper/500:04:505
10926996038,21cyclictest464-21systemd-journal21:41:570
1059525826,18sleep30-21swapper/319:01:443
161112570,1sleep216110-21sshd00:18:562
124612530,0sleep70-21swapper/721:21:457
107382530,0sleep20-21swapper/221:29:252
90342520,1sleep19032-21grepconf.sh23:01:261
62702520,1sleep36246-21sshd22:32:293
84792500,1sleep3721-21dbus-daemon22:45:503
84792500,1sleep3721-21dbus-daemon22:45:503
260492490,0sleep7721ktimersoftd/722:31:457
60482480,1sleep46050-21grep00:22:114
118782480,0sleep60-21swapper/623:13:096
1095099470,47cyclictest3190-21kworker/3:421:41:573
1065124724,8sleep10-21swapper/119:02:311
83482460,0sleep30-21swapper/323:58:393
262932460,0sleep30-21swapper/322:06:423
25422460,0sleep70-21swapper/721:15:287
231592460,0sleep30-21swapper/322:02:333
123692460,1sleep012356-21bash21:59:580
246332450,0sleep50-21swapper/500:11:225
149142450,0sleep50-21swapper/519:09:385
307452440,2sleep61097899cyclictest21:59:166
264642440,0sleep60-21swapper/623:34:476
134272440,2sleep11093499cyclictest23:30:181
280822430,0sleep60-21swapper/623:27:266
247732430,0sleep70-21swapper/700:19:257
188012430,0sleep10-21swapper/121:27:551
174702430,0sleep10-21swapper/123:19:041
132932430,1sleep013292-21grep23:11:180
87092420,0sleep40-21swapper/423:39:344
87092420,0sleep40-21swapper/423:39:344
41672420,0sleep20-21swapper/223:37:232
1051424229,9sleep70-21swapper/719:00:367
36002410,0sleep10-21swapper/121:11:381
298722410,0sleep3391rcuc/321:35:583
1070524130,8sleep60-21swapper/619:03:166
82352400,0sleep10-21swapper/123:56:451
47112400,0sleep50-21swapper/523:12:445
234322400,0sleep30-21swapper/321:33:503
226262400,0sleep40-21swapper/400:01:204
215712400,0sleep10-21swapper/123:36:261
213032400,0sleep50-21swapper/521:14:385
1096299400,39cyclictest22616-21kworker/4:321:41:584
1073724028,8sleep50-21swapper/519:03:395
1051124027,9sleep40-21swapper/419:00:334
60192390,0sleep30-21swapper/323:26:033
309262390,2sleep31095099cyclictest21:24:453
164992390,0sleep70-21swapper/722:44:267
164992390,0sleep70-21swapper/722:44:267
1046123926,8sleep00-21swapper/018:59:570
47372380,0sleep60-21swapper/623:14:376
319382380,0sleep20-21swapper/221:21:002
214722380,3sleep71098599cyclictest23:02:127
1049123826,9sleep20-21swapper/219:00:152
130902360,0sleep50-21swapper/523:26:295
10943993635,1cyclictest7860-21kworker/2:021:41:572
21242350,1sleep51-21systemd22:24:385
87282340,0sleep40-21swapper/421:36:394
8212330,0sleep3391rcuc/300:18:013
1098599310,1cyclictest0-21swapper/721:41:587
155362290,0sleep10-21swapper/122:34:511
1093499280,28cyclictest0-21swapper/121:41:571
10970992220,1cyclictest1-21systemd21:41:575
10926992117,1cyclictest9-21ksoftirqd/000:15:350
10926992014,4cyclictest9-21ksoftirqd/022:15:470
10926992014,3cyclictest9-21ksoftirqd/023:27:170
185292190,0sleep50-21swapper/523:57:215
1092699196,2cyclictest9-21ksoftirqd/023:46:120
10926991914,1cyclictest9-21ksoftirqd/022:23:500
280202180,1sleep228019-21sshd21:49:192
10926991816,2cyclictest6641-21kworker/0:022:47:350
10926991816,2cyclictest6641-21kworker/0:022:47:350
10926991816,1cyclictest9-21ksoftirqd/023:58:150
10926991816,1cyclictest9-21ksoftirqd/021:33:140
10926991816,1cyclictest9-21ksoftirqd/000:07:210
10926991815,1cyclictest9-21ksoftirqd/021:11:570
10926991814,3cyclictest9-21ksoftirqd/022:57:230
10926991813,2cyclictest9-21ksoftirqd/021:21:320
123542170,0sleep60-21swapper/623:41:366
123542170,0sleep60-21swapper/623:41:366
10985991715,1cyclictest73-21ksoftirqd/721:29:087
1094399171,1cyclictest131rcu_sched00:33:452
10926991716,1cyclictest9-21ksoftirqd/023:34:180
10926991716,1cyclictest9-21ksoftirqd/021:54:250
10926991716,1cyclictest9-21ksoftirqd/021:54:250
10926991715,1cyclictest9-21ksoftirqd/022:51:400
10926991715,1cyclictest9-21ksoftirqd/022:51:400
10926991715,1cyclictest9-21ksoftirqd/022:37:220
10926991715,1cyclictest9-21ksoftirqd/022:07:190
10926991715,1cyclictest9-21ksoftirqd/021:44:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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