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2026-05-11 - 07:22
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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 highest latencies:
System rack1slot1.osadl.org (updated Mon May 11, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20352201151,24sleep30-21swapper/319:09:083
18672200147,21sleep00-21swapper/019:06:560
17692200161,25sleep20-21swapper/219:05:412
20182199159,26sleep10-21swapper/119:08:541
291022640,1sleep029103-21ssh23:20:000
130882550,0sleep30-21swapper/319:30:143
52622170,0sleep10-21swapper/100:13:321
212072160,0sleep00-21swapper/020:55:140
219999140,13cyclictest27477-21diskmemload00:15:022
2182991412,1cyclictest9-21ksoftirqd/019:15:000
2182991311,1cyclictest9-21ksoftirqd/021:25:180
2182991311,1cyclictest9-21ksoftirqd/000:25:000
219999124,5cyclictest240-21systemd-journal23:15:002
2182991212,0cyclictest9-21ksoftirqd/023:39:290
2182991211,1cyclictest9-21ksoftirqd/000:15:210
2182991210,1cyclictest9-21ksoftirqd/021:45:140
2182991210,1cyclictest9-21ksoftirqd/020:40:010
220899110,5cyclictest0-21swapper/319:45:103
220899110,0cyclictest0-21swapper/321:59:563
219999119,1cyclictest28-21ksoftirqd/220:05:002
2199991110,1cyclictest28-21ksoftirqd/223:45:002
2199991110,1cyclictest28-21ksoftirqd/222:25:002
2182991110,1cyclictest9-21ksoftirqd/021:55:160
2182991110,1cyclictest9-21ksoftirqd/020:35:000
220899100,9cyclictest16468-21apt-get22:20:133
219999109,1cyclictest28-21ksoftirqd/219:30:002
219999109,1cyclictest28-21ksoftirqd/200:15:012
219999104,5cyclictest4576-21munin-node21:51:472
218299109,1cyclictest9-21ksoftirqd/023:55:170
218299109,1cyclictest9-21ksoftirqd/022:35:130
218299109,1cyclictest9-21ksoftirqd/021:20:140
218299109,1cyclictest9-21ksoftirqd/021:20:130
218299109,1cyclictest9-21ksoftirqd/000:35:000
218299109,1cyclictest9-21ksoftirqd/000:05:190
218299108,1cyclictest9-21ksoftirqd/023:50:210
218299108,1cyclictest9-21ksoftirqd/023:50:000
218299108,1cyclictest9-21ksoftirqd/022:50:130
218299108,1cyclictest9-21ksoftirqd/022:40:090
2182991010,0cyclictest9-21ksoftirqd/023:00:000
5030290,1sleep30-21swapper/322:46:073
22089990,4cyclictest0-21swapper/320:40:113
22089990,2cyclictest0-21swapper/321:25:123
21999998,1cyclictest28-21ksoftirqd/219:45:002
21999997,1cyclictest28-21ksoftirqd/223:35:002
21999997,1cyclictest28-21ksoftirqd/222:20:002
21999997,1cyclictest28-21ksoftirqd/220:00:002
21829999,0cyclictest9-21ksoftirqd/023:05:000
21829999,0cyclictest9-21ksoftirqd/022:00:250
21829998,1cyclictest9-21ksoftirqd/022:05:190
21829998,1cyclictest9-21ksoftirqd/021:40:130
21829998,1cyclictest9-21ksoftirqd/021:30:140
21829998,1cyclictest9-21ksoftirqd/020:20:140
21829997,1cyclictest9-21ksoftirqd/022:45:130
21829997,1cyclictest9-21ksoftirqd/022:25:130
21829997,1cyclictest9-21ksoftirqd/020:30:000
21829997,1cyclictest9-21ksoftirqd/020:15:110
21829997,1cyclictest9-21ksoftirqd/019:35:010
21829997,1cyclictest9-21ksoftirqd/000:35:160
21829991,7cyclictest31345-21ssh21:15:010
7735280,1sleep30-21swapper/323:34:493
22089987,1cyclictest35-21ksoftirqd/321:55:003
22089986,1cyclictest23530-21snmpd22:15:133
22089986,1cyclictest23530-21snmpd21:04:233
22089986,1cyclictest12177-21ssh21:30:193
22089981,3cyclictest27477-21diskmemload23:04:263
22089980,7cyclictest23530-21snmpd23:15:533
22089980,5cyclictest0-21swapper/323:35:133
21999987,1cyclictest28-21ksoftirqd/221:55:132
21999987,1cyclictest28-21ksoftirqd/220:55:002
21999987,1cyclictest28-21ksoftirqd/220:45:002
21999987,1cyclictest28-21ksoftirqd/219:30:002
21999987,1cyclictest28-21ksoftirqd/200:35:002
21999986,1cyclictest61650irq/122-eno123:20:002
21999986,1cyclictest28-21ksoftirqd/222:14:542
21999986,1cyclictest28-21ksoftirqd/221:25:102
21999986,1cyclictest23530-21snmpd22:06:422
21999986,1cyclictest23530-21snmpd21:41:472
21999986,1cyclictest2336-21ssh23:25:182
21999981,6cyclictest0-21swapper/200:25:212
21999980,8cyclictest61650irq/122-eno100:39:382
21829987,1cyclictest9-21ksoftirqd/023:30:200
21829987,1cyclictest9-21ksoftirqd/022:15:110
21829987,1cyclictest9-21ksoftirqd/020:45:140
21829987,1cyclictest9-21ksoftirqd/020:05:110
21829987,1cyclictest9-21ksoftirqd/000:25:120
21829987,1cyclictest9-21ksoftirqd/000:10:150
21829986,1cyclictest9-21ksoftirqd/022:30:120
21829986,1cyclictest9-21ksoftirqd/019:50:110
21829986,1cyclictest9-21ksoftirqd/019:35:010
21829980,7cyclictest0-21swapper/023:25:120
21829980,5cyclictest26152-21apt-get21:50:120
22089976,1cyclictest23530-21snmpd20:06:083
22089976,1cyclictest23530-21snmpd20:01:233
22089976,1cyclictest23530-21snmpd00:02:153
22089975,1cyclictest35-21ksoftirqd/320:15:113
22089975,1cyclictest23530-21snmpd19:25:223
22089975,1cyclictest17524-21apt-get00:30:113
22089973,2cyclictest240-21systemd-journal22:05:003
22089972,3cyclictest5058-21ntpq20:20:163
22089971,4cyclictest27477-21diskmemload23:56:153
22089971,4cyclictest23530-21snmpd22:33:493
22089971,3cyclictest941-21unixbench_multi21:15:243
22089971,3cyclictest27477-21diskmemload23:27:283
22089971,3cyclictest24511-21/usr/sbin/munin19:55:123
22089970,7cyclictest20608-21apt-get20:55:103
22089970,6cyclictest20272-21ssh23:06:413
22089970,6cyclictest20272-21ssh23:06:413
22089970,4cyclictest18019-21munin-run20:50:003
22089970,4cyclictest0-21swapper/323:24:243
22089970,4cyclictest0-21swapper/322:52:563
22089970,4cyclictest0-21swapper/322:42:473
22089970,4cyclictest0-21swapper/300:36:293
22089970,2cyclictest0-21swapper/300:20:113
21999977,0cyclictest28-21ksoftirqd/222:40:112
21999977,0cyclictest0-21swapper/222:45:492
21999976,1cyclictest61650irq/122-eno122:30:192
21999976,1cyclictest61650irq/122-eno122:01:412
21999976,1cyclictest61650irq/122-eno121:30:222
21999976,1cyclictest61650irq/122-eno121:15:202
21999976,1cyclictest61650irq/122-eno120:35:202
21999976,1cyclictest61650irq/122-eno120:30:262
21999976,1cyclictest61650irq/122-eno120:15:492
21999976,1cyclictest28-21ksoftirqd/222:55:132
21999976,1cyclictest28-21ksoftirqd/219:15:002
21999976,1cyclictest23530-21snmpd21:08:012
21999975,1cyclictest61650irq/122-eno120:55:102
21999975,1cyclictest378-21ssh00:05:242
21999975,1cyclictest28-21ksoftirqd/219:20:002
21999975,1cyclictest23530-21snmpd21:10:492
21999975,1cyclictest15624-21latency_hist20:45:002
21999973,2cyclictest61650irq/122-eno123:23:062
21999971,2cyclictest0-21swapper/222:35:122
21999970,6cyclictest6212-21sh21:23:252
21999970,6cyclictest6212-21sh21:23:252
21999970,6cyclictest14646-21apt-get19:35:012
21919971,3cyclictest0-21swapper/121:20:141
21919971,3cyclictest0-21swapper/121:20:141
21829976,1cyclictest9-21ksoftirqd/021:35:170
21829976,1cyclictest9-21ksoftirqd/021:05:150
21829976,1cyclictest9-21ksoftirqd/019:15:120
21829976,1cyclictest9-21ksoftirqd/000:00:130
21829976,1cyclictest23530-21snmpd19:57:140
21829976,1cyclictest23530-21snmpd19:43:260
21829976,1cyclictest19996-21ssh23:05:540
21829976,1cyclictest19996-21ssh23:05:530
21829976,1cyclictest101rcuc/019:20:100
21829975,1cyclictest9-21ksoftirqd/021:15:150
21829975,1cyclictest9-21ksoftirqd/019:45:130
21829974,2cyclictest9-21ksoftirqd/020:00:160
21829970,6cyclictest14349-21memory20:40:160
21829970,6cyclictest11828-21ssh23:40:010
21829970,6cyclictest0-21swapper/021:01:340
21829970,1cyclictest9563-21hwlatdetect22:10:160
21829970,1cyclictest22595-21cut23:10:150
21829970,1cyclictest0-21swapper/022:20:140
22089965,1cyclictest8721-21ssh22:10:113
22089965,1cyclictest8526-21ssh00:16:363
22089965,1cyclictest4217-21ssh00:10:333
22089965,1cyclictest31029-21ssh00:05:103
22089965,1cyclictest28770-21cat22:35:173
22089965,1cyclictest28601-21cat21:10:143
22089965,1cyclictest23530-21snmpd20:39:093
22089965,1cyclictest23530-21snmpd19:24:103
22089965,1cyclictest23530-21snmpd19:19:223
22089965,1cyclictest16880-21ssh00:29:033
22089965,1cyclictest16840-21ssh21:35:483
22089965,1cyclictest12412-21ssh23:40:163
22089964,1cyclictest23530-21snmpd19:36:003
22089964,1cyclictest21015-21ssh21:41:563
22089963,3cyclictest27946-21kworker/u8:023:10:463
22089961,2cyclictest20194-21apt-get22:25:113
22089960,4cyclictest3846-21fschecks_count21:20:143
22089960,4cyclictest3846-21fschecks_count21:20:143
22089960,3cyclictest0-21swapper/323:51:433
22089960,3cyclictest0-21swapper/321:46:543
22089960,2cyclictest0-21swapper/323:45:133
22089960,2cyclictest0-21swapper/322:55:093
22089960,2cyclictest0-21swapper/322:06:393
21999966,0cyclictest61650irq/122-eno123:55:182
21999966,0cyclictest61650irq/122-eno123:50:062
21999966,0cyclictest61650irq/122-eno123:45:142
21999966,0cyclictest61650irq/122-eno123:05:182
21999966,0cyclictest61650irq/122-eno123:05:172
21999966,0cyclictest61650irq/122-eno122:50:002
21999966,0cyclictest61650irq/122-eno122:25:572
21999966,0cyclictest61650irq/122-eno120:13:202
21999966,0cyclictest61650irq/122-eno120:05:142
21999966,0cyclictest61650irq/122-eno119:46:232
21999966,0cyclictest61650irq/122-eno100:20:072
21999965,1cyclictest61650irq/122-eno119:20:192
21999965,1cyclictest28-21ksoftirqd/221:00:132
21999964,1cyclictest61650irq/122-eno121:45:142
21999962,2cyclictest0-21swapper/220:25:202
21999960,6cyclictest0-21swapper/200:04:002
21999960,4cyclictest0-21swapper/223:35:092
21999960,3cyclictest0-21swapper/221:37:132
21999960,1cyclictest0-21swapper/223:00:122
21919961,3cyclictest0-21swapper/100:00:211
21919960,6cyclictest0-21swapper/122:16:221
21919960,3cyclictest0-21swapper/123:35:131
21919960,3cyclictest0-21swapper/122:45:191
21919960,2cyclictest0-21swapper/123:28:251
21919960,2cyclictest0-21swapper/122:59:561
21919960,1cyclictest0-21swapper/122:11:111
21829966,0cyclictest9-21ksoftirqd/020:10:200
21829965,1cyclictest9-21ksoftirqd/020:50:140
21829960,0cyclictest0-21swapper/023:20:280
22089953,1cyclictest6263-21apt-get20:25:123
22089952,2cyclictest3173-21grep19:10:143
22089951,2cyclictest693-21runrttasks20:51:273
22089951,2cyclictest0-21swapper/320:10:153
22089950,3cyclictest25339-21apt-get21:05:133
22089950,3cyclictest0-21swapper/319:40:113
22089950,1cyclictest0-21swapper/320:30:143
21999950,4cyclictest0-21swapper/220:20:122
21919955,0cyclictest0-21swapper/100:23:191
21919955,0cyclictest0-21swapper/100:15:271
21919953,1cyclictest0-21swapper/121:35:271
21919952,0cyclictest0-21swapper/121:31:501
21919952,0cyclictest0-21swapper/120:15:121
21919951,3cyclictest0-21swapper/122:20:131
21919951,3cyclictest0-21swapper/100:30:181
21919951,2cyclictest0-21swapper/123:00:511
21919951,2cyclictest0-21swapper/120:50:011
21919951,1cyclictest0-21swapper/123:20:171
21919951,0cyclictest0-21swapper/119:50:161
21919950,5cyclictest0-21swapper/122:27:121
21919950,5cyclictest0-21swapper/121:59:361
21919950,5cyclictest0-21swapper/121:11:561
21919950,4cyclictest0-21swapper/121:25:111
21919950,3cyclictest0-21swapper/123:54:551
21919950,3cyclictest0-21swapper/119:30:201
21919950,3cyclictest0-21swapper/119:25:151
21919950,2cyclictest0-21swapper/122:50:201
21919950,1cyclictest0-21swapper/123:45:001
21919950,1cyclictest0-21swapper/121:50:021
21919950,0cyclictest0-21swapper/123:56:551
21919950,0cyclictest0-21swapper/123:30:591
21919950,0cyclictest0-21swapper/122:37:241
21919950,0cyclictest0-21swapper/122:32:371
21919950,0cyclictest0-21swapper/122:09:021
21829950,5cyclictest0-21swapper/019:25:130
14958250,0sleep10-21swapper/119:35:011
22089940,2cyclictest0-21swapper/319:50:103
21999944,0cyclictest61650irq/122-eno119:50:042
21919944,0cyclictest0-21swapper/123:15:471
21919944,0cyclictest0-21swapper/120:04:251
21919943,1cyclictest29223-21chrt20:05:001
21919941,2cyclictest0-21swapper/121:19:541
21919941,2cyclictest0-21swapper/120:20:161
21919941,1cyclictest0-21swapper/123:06:481
21919941,1cyclictest0-21swapper/123:06:481
21919941,1cyclictest0-21swapper/120:25:121
21919941,1cyclictest0-21swapper/120:12:321
21919941,1cyclictest0-21swapper/119:40:121
21919940,3cyclictest0-21swapper/122:40:131
21919940,3cyclictest0-21swapper/120:40:141
21919940,2cyclictest0-21swapper/122:00:211
21919940,2cyclictest0-21swapper/121:43:551
21919940,2cyclictest0-21swapper/120:50:121
21919940,2cyclictest0-21swapper/100:25:021
21919940,1cyclictest0-21swapper/123:46:051
21919940,1cyclictest0-21swapper/123:10:151
21919940,1cyclictest0-21swapper/121:45:111
21919940,1cyclictest0-21swapper/121:05:171
21919940,1cyclictest0-21swapper/119:55:141
21919940,1cyclictest0-21swapper/119:15:111
21919940,1cyclictest0-21swapper/100:05:021
21919940,0cyclictest0-21swapper/100:35:341
21919932,1cyclictest0-21swapper/121:00:011
21919932,1cyclictest0-21swapper/119:45:101
21919930,3cyclictest0-21swapper/120:30:141
21919930,2cyclictest0-21swapper/120:35:131
21919930,1cyclictest0-21swapper/120:55:101
21919930,1cyclictest0-21swapper/119:10:101
21919930,0cyclictest0-21swapper/119:20:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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