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2026-05-17 - 01:29
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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 376 highest latencies:
System rack1slot1.osadl.org (updated Sun May 17, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
290082225159,53sleep30-21swapper/319:08:113
290732219159,47sleep10-21swapper/119:09:021
289972216151,51sleep20-21swapper/219:08:022
289422207156,25sleep00-21swapper/019:07:210
28422710,1sleep22830-21hwlatdetect23:35:152
30732670,0sleep20-21swapper/220:30:002
278902600,0sleep30-21swapper/321:15:223
326652200,0sleep10-21swapper/122:05:151
29236991715,1cyclictest9-21ksoftirqd/020:55:120
284732170,0sleep00-21swapper/021:16:230
29254991616,0cyclictest35-21ksoftirqd/300:37:323
290252140,0sleep00-21swapper/020:15:120
29254991313,0cyclictest35-21ksoftirqd/300:28:153
29254991310,2cyclictest21942-21awk21:10:003
2925499129,2cyclictest4793-21apt-get19:25:133
2925499129,2cyclictest20005-21ssh22:30:373
29254991212,0cyclictest35-21ksoftirqd/321:30:173
29254991212,0cyclictest35-21ksoftirqd/300:04:393
29254991211,1cyclictest35-21ksoftirqd/319:24:593
29240991212,0cyclictest0-21swapper/100:05:111
29236991211,1cyclictest9-21ksoftirqd/021:20:140
29236991211,1cyclictest9-21ksoftirqd/000:20:110
29236991210,1cyclictest9-21ksoftirqd/023:00:000
29236991210,1cyclictest9-21ksoftirqd/021:10:000
2925499119,1cyclictest15399-21sort22:25:193
2925499118,2cyclictest30164-21grep19:10:163
2925499116,4cyclictest28693-21tr00:10:133
29254991110,1cyclictest32136-21apt-get00:15:123
29254991110,1cyclictest23859-21apt-get20:05:123
2925499111,9cyclictest17526-21fschecks_count21:45:143
2925499111,8cyclictest26277-21fschecks_time22:40:163
2925499111,1cyclictest240-21systemd-journal22:03:243
2925499110,10cyclictest26210-21apt-get20:10:093
2923699119,1cyclictest9-21ksoftirqd/023:10:130
2923699119,1cyclictest9-21ksoftirqd/022:30:000
2923699119,1cyclictest9-21ksoftirqd/022:20:130
2923699119,1cyclictest9-21ksoftirqd/020:45:150
2923699119,1cyclictest9-21ksoftirqd/019:55:020
29236991110,1cyclictest9-21ksoftirqd/023:25:000
29236991110,1cyclictest9-21ksoftirqd/023:15:000
29236991110,1cyclictest9-21ksoftirqd/022:00:110
29236991110,1cyclictest9-21ksoftirqd/019:30:000
6052100,0sleep20-21swapper/223:31:572
299112100,0sleep20-21swapper/200:10:192
2925499108,2cyclictest0-21swapper/323:10:193
2925499106,4cyclictest0-21swapper/322:20:193
2925499102,8cyclictest341rcuc/300:08:123
29254991010,0cyclictest35-21ksoftirqd/323:56:373
29254991010,0cyclictest35-21ksoftirqd/323:35:153
2925499101,8cyclictest21920-21diskmemload22:14:103
2925499101,1cyclictest2009-21chrt20:25:163
2923699109,0cyclictest9-21ksoftirqd/000:05:010
2923699108,1cyclictest9-21ksoftirqd/021:35:130
29236991010,0cyclictest9-21ksoftirqd/022:05:130
29236991010,0cyclictest9-21ksoftirqd/000:35:180
292549999,0cyclictest35-21ksoftirqd/323:20:393
292549999,0cyclictest35-21ksoftirqd/323:17:533
292549999,0cyclictest35-21ksoftirqd/323:08:183
292549999,0cyclictest35-21ksoftirqd/323:03:433
292549999,0cyclictest35-21ksoftirqd/321:59:333
292549999,0cyclictest35-21ksoftirqd/321:38:073
292549999,0cyclictest35-21ksoftirqd/321:03:533
292549998,1cyclictest292902sleep322:45:103
292549998,1cyclictest0-21swapper/323:50:083
292549998,1cyclictest0-21swapper/321:12:233
292549998,1cyclictest0-21swapper/320:55:123
292549997,1cyclictest28121-21ntp_kernel_pll_23:25:173
292549997,1cyclictest28121-21ntp_kernel_pll_23:25:173
292549997,1cyclictest0-21swapper/300:20:203
292549996,1cyclictest35-21ksoftirqd/322:55:133
292549996,1cyclictest11871-21apt-get19:40:113
292549994,3cyclictest341rcuc/322:50:133
292549992,6cyclictest9281-21ps20:40:183
292549992,6cyclictest0-21swapper/319:15:013
292549991,8cyclictest341rcuc/323:31:323
292549991,7cyclictest0-21swapper/322:35:273
292549991,0cyclictest3242-21apt-get20:30:123
292549990,8cyclictest21920-21diskmemload22:15:023
292549990,8cyclictest21920-21diskmemload21:25:043
292549990,8cyclictest0-21swapper/319:32:503
292549990,1cyclictest21920-21diskmemload23:45:483
292549990,1cyclictest1466-21ssh22:05:583
292479999,0cyclictest0-21swapper/200:05:112
292479997,1cyclictest28-21ksoftirqd/221:20:142
292369999,0cyclictest9-21ksoftirqd/021:30:110
292369999,0cyclictest9-21ksoftirqd/021:15:000
292369998,1cyclictest9-21ksoftirqd/023:05:000
292369998,1cyclictest9-21ksoftirqd/022:50:140
292369998,1cyclictest9-21ksoftirqd/022:25:180
292369998,1cyclictest9-21ksoftirqd/020:10:000
292369998,1cyclictest9-21ksoftirqd/000:00:160
292369997,1cyclictest9-21ksoftirqd/022:35:120
292369997,1cyclictest9-21ksoftirqd/022:00:000
292369997,1cyclictest9-21ksoftirqd/020:51:550
292369997,1cyclictest9-21ksoftirqd/000:25:170
292369997,1cyclictest2635-21hwlatdetect21:25:160
292369990,6cyclictest0-21swapper/022:10:370
292549988,0cyclictest35-21ksoftirqd/320:35:063
292549988,0cyclictest35-21ksoftirqd/320:15:033
292549988,0cyclictest35-21ksoftirqd/319:55:083
292549988,0cyclictest35-21ksoftirqd/319:50:013
292549988,0cyclictest35-21ksoftirqd/319:45:033
292549988,0cyclictest35-21ksoftirqd/319:35:273
292549981,7cyclictest35-21ksoftirqd/321:50:303
292549981,7cyclictest35-21ksoftirqd/321:20:083
292549981,6cyclictest11012-21basename00:30:133
292549980,8cyclictest35-21ksoftirqd/323:40:043
292549980,8cyclictest35-21ksoftirqd/321:40:053
292549980,8cyclictest35-21ksoftirqd/320:50:173
292549980,8cyclictest35-21ksoftirqd/320:45:003
292549980,8cyclictest35-21ksoftirqd/320:20:003
292549980,8cyclictest341rcuc/320:00:223
292549980,8cyclictest341rcuc/320:00:223
292479986,1cyclictest7770-21perf20:40:002
292479986,1cyclictest61650irq/122-eno123:25:422
292479986,1cyclictest61650irq/122-eno123:25:422
292479986,1cyclictest61650irq/122-eno122:40:162
292479986,1cyclictest61650irq/122-eno122:28:512
292479984,3cyclictest21920-21diskmemload22:55:182
292479981,6cyclictest24168-21latency_hist00:05:002
292479981,4cyclictest8557-21expr23:00:142
292479980,1cyclictest0-21swapper/219:55:172
292479980,0cyclictest0-21swapper/200:31:212
292409980,5cyclictest0-21swapper/121:23:311
292369987,1cyclictest9-21ksoftirqd/023:45:140
292369987,1cyclictest9-21ksoftirqd/023:35:140
292369987,1cyclictest9-21ksoftirqd/023:25:130
292369987,1cyclictest9-21ksoftirqd/023:25:130
292369987,1cyclictest1667-21ssh00:15:520
292369986,1cyclictest9-21ksoftirqd/021:50:120
292369986,1cyclictest9-21ksoftirqd/021:45:140
292369986,1cyclictest9-21ksoftirqd/020:38:550
292369984,3cyclictest0-21swapper/022:15:110
292369980,7cyclictest9-21ksoftirqd/019:50:150
292369980,7cyclictest16174-21ssh23:53:360
292479976,1cyclictest61650irq/122-eno122:51:062
292479976,1cyclictest61650irq/122-eno122:36:462
292479976,1cyclictest61650irq/122-eno121:42:102
292479976,1cyclictest61650irq/122-eno121:29:552
292479976,1cyclictest61650irq/122-eno121:19:122
292479976,1cyclictest61650irq/122-eno121:10:472
292479976,1cyclictest61650irq/122-eno100:35:212
292479976,1cyclictest28-21ksoftirqd/222:05:142
292479976,0cyclictest61650irq/122-eno123:50:152
292479975,1cyclictest61650irq/122-eno123:45:122
292479975,1cyclictest61650irq/122-eno123:10:112
292479975,1cyclictest27346-21ntpq20:10:152
292479973,3cyclictest7159-21apt-get19:30:242
292479973,3cyclictest21920-21diskmemload22:10:192
292479973,1cyclictest18114-21apt-get22:30:112
292479971,4cyclictest16983-21apt-get23:55:122
292479970,7cyclictest0-21swapper/222:15:262
292479970,5cyclictest0-21swapper/220:00:162
292479970,5cyclictest0-21swapper/220:00:162
292479970,0cyclictest0-21swapper/223:15:132
292409970,5cyclictest0-21swapper/123:58:161
292409970,1cyclictest0-21swapper/122:17:301
292369976,1cyclictest9-21ksoftirqd/023:30:120
292369976,1cyclictest9-21ksoftirqd/020:05:010
292369976,1cyclictest9-21ksoftirqd/020:05:000
292369976,1cyclictest9-21ksoftirqd/000:30:150
292369976,1cyclictest18167-21ntp_states23:55:180
292369973,1cyclictest4404-21ntp_states20:30:180
292369971,5cyclictest691-21sed20:25:000
292369970,6cyclictest5759-21apt-get23:40:120
292369970,6cyclictest10930-21cat19:35:190
292369970,1cyclictest32481-21/usr/sbin/munin19:15:170
292369970,1cyclictest14387-21grep21:40:170
292369970,1cyclictest0-21swapper/023:05:120
292369970,1cyclictest0-21swapper/022:45:120
292369970,1cyclictest0-21swapper/000:10:190
20208270,2sleep20-21swapper/221:49:312
292479966,0cyclictest61650irq/122-eno123:21:252
292479966,0cyclictest61650irq/122-eno123:05:062
292479966,0cyclictest61650irq/122-eno122:20:102
292479966,0cyclictest61650irq/122-eno121:55:082
292479966,0cyclictest61650irq/122-eno121:05:072
292479966,0cyclictest61650irq/122-eno121:04:412
292479966,0cyclictest61650irq/122-eno120:33:012
292479966,0cyclictest61650irq/122-eno120:19:122
292479966,0cyclictest61650irq/122-eno120:05:182
292479966,0cyclictest61650irq/122-eno119:22:502
292479966,0cyclictest61650irq/122-eno119:14:552
292479966,0cyclictest61650irq/122-eno100:15:142
292479966,0cyclictest14117-21sensors20:50:182
292479965,1cyclictest9072-21ssh00:25:362
292479965,1cyclictest61650irq/122-eno122:45:192
292479965,1cyclictest61650irq/122-eno122:00:122
292479965,1cyclictest61650irq/122-eno100:20:132
292479965,1cyclictest5590-21ssh21:30:032
292479965,1cyclictest5339-21kworker/2:020:44:262
292479965,0cyclictest61650irq/122-eno120:45:112
292479964,1cyclictest61650irq/122-eno121:50:122
292479964,1cyclictest5748-21ssh23:40:102
292479960,6cyclictest0-21swapper/221:35:192
292479960,6cyclictest0-21swapper/219:45:152
292479960,6cyclictest0-21swapper/219:35:192
292479960,3cyclictest0-21swapper/219:50:132
292479960,1cyclictest0-21swapper/219:25:132
292409964,2cyclictest57-21kswapd022:50:131
292409963,2cyclictest213502sleep122:34:271
292409961,3cyclictest25530-21taskset21:13:571
292409961,2cyclictest0-21swapper/122:40:211
292409960,6cyclictest0-21swapper/123:36:531
292409960,6cyclictest0-21swapper/123:30:211
292409960,6cyclictest0-21swapper/122:58:471
292409960,6cyclictest0-21swapper/121:51:381
292409960,6cyclictest0-21swapper/100:15:171
292409960,4cyclictest0-21swapper/123:23:021
292409960,4cyclictest0-21swapper/121:48:371
292409960,4cyclictest0-21swapper/121:32:251
292409960,3cyclictest0-21swapper/121:20:001
292409960,2cyclictest0-21swapper/122:10:121
292409960,2cyclictest0-21swapper/121:43:581
292409960,0cyclictest0-21swapper/120:40:161
292369965,1cyclictest25931-21cstates22:40:150
292369964,1cyclictest9-21ksoftirqd/019:30:260
292369962,1cyclictest2435-21/usr/sbin/munin19:20:180
292369960,6cyclictest0-21swapper/020:27:200
292369960,0cyclictest0-21swapper/020:44:340
292369960,0cyclictest0-21swapper/020:14:550
292369960,0cyclictest0-21swapper/019:42:500
22665260,0sleep10-21swapper/122:35:161
3210250,0sleep10-21swapper/119:20:141
292479955,0cyclictest61650irq/122-eno119:40:502
292479954,1cyclictest61650irq/122-eno120:55:132
292479953,2cyclictest1024-21cat19:15:162
292479950,5cyclictest0-21swapper/220:21:082
292409955,0cyclictest0-21swapper/123:16:311
292409955,0cyclictest0-21swapper/122:28:121
292409951,1cyclictest0-21swapper/120:35:161
292409950,5cyclictest0-21swapper/121:25:151
292409950,5cyclictest0-21swapper/120:55:391
292409950,5cyclictest0-21swapper/120:22:041
292409950,5cyclictest0-21swapper/120:10:131
292409950,5cyclictest0-21swapper/100:32:571
292409950,5cyclictest0-21swapper/100:20:191
292409950,4cyclictest30486-21chrt00:11:151
292409950,3cyclictest0-21swapper/123:47:171
292409950,3cyclictest0-21swapper/122:46:231
292409950,2cyclictest0-21swapper/123:50:381
292409950,2cyclictest0-21swapper/123:27:191
292409950,2cyclictest0-21swapper/123:27:181
292409950,2cyclictest0-21swapper/120:34:221
292409950,2cyclictest0-21swapper/100:36:291
292409950,2cyclictest0-21swapper/100:26:121
292409950,1cyclictest0-21swapper/123:03:591
292409950,1cyclictest0-21swapper/121:05:171
292409950,1cyclictest0-21swapper/121:05:001
292409950,1cyclictest0-21swapper/119:30:301
292409950,0cyclictest0-21swapper/123:15:001
292369950,4cyclictest14316-21telnet19:45:110
292369950,2cyclictest240-21systemd-journal21:05:000
292369950,0cyclictest0-21swapper/019:10:120
292409943,1cyclictest28452sleep120:28:061
292409943,1cyclictest0-21swapper/100:00:091
292409942,1cyclictest23519-21chrt20:03:521
292409942,1cyclictest23519-21chrt20:03:521
292409941,3cyclictest0-21swapper/119:37:181
292409940,4cyclictest0-21swapper/121:55:191
292409940,4cyclictest0-21swapper/120:45:191
292409940,4cyclictest0-21swapper/119:10:201
292409940,3cyclictest30156-21taskset22:00:551
292409940,3cyclictest0-21swapper/123:40:201
292409940,3cyclictest0-21swapper/123:06:281
292409940,3cyclictest0-21swapper/121:36:181
292409940,3cyclictest0-21swapper/119:50:001
292409940,2cyclictest0-21swapper/120:20:001
292409940,1cyclictest0-21swapper/119:50:121
292409940,1cyclictest0-21swapper/119:15:121
292409940,0cyclictest0-21swapper/119:55:191
292409931,1cyclictest0-21swapper/120:50:101
292409931,1cyclictest0-21swapper/119:40:111
292409931,1cyclictest0-21swapper/119:25:121
292409930,3cyclictest25649-21taskset20:05:561
292409930,2cyclictest0-21swapper/122:20:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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