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2026-09-03 - 06:13
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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 Thu Sep 03, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307012221157,51sleep30-21swapper/319:09:413
304012205150,21sleep10-21swapper/119:05:441
306932204166,24sleep00-21swapper/019:09:340
305042198160,25sleep20-21swapper/219:07:062
232682710,0sleep10-21swapper/120:00:001
115172690,0sleep20-21swapper/222:21:302
307832640,1sleep121-21ksoftirqd/122:04:111
38392170,0sleep10-21swapper/122:10:241
38392170,0sleep10-21swapper/122:10:241
3085599150,14cyclictest11932-21perf20:45:003
30842991412,1cyclictest28-21ksoftirqd/220:15:002
30821991312,0cyclictest20381-21awk21:50:000
3082199123,4cyclictest7163-21perf23:50:000
3082199123,4cyclictest7163-21perf23:50:000
30842991110,1cyclictest28-21ksoftirqd/223:55:012
30842991110,1cyclictest28-21ksoftirqd/221:50:002
3082199112,4cyclictest3695-21cat23:45:000
30821991110,1cyclictest9-21ksoftirqd/000:15:000
3082199110,7cyclictest0-21swapper/020:05:160
3084299109,1cyclictest28-21ksoftirqd/222:00:002
3082199109,1cyclictest9-21ksoftirqd/022:45:000
3082199109,1cyclictest9-21ksoftirqd/021:25:000
3082199109,1cyclictest9-21ksoftirqd/019:30:000
9574290,0sleep00-21swapper/023:51:410
308559997,1cyclictest35-21ksoftirqd/320:20:003
308559990,1cyclictest0-21swapper/300:25:243
308219998,1cyclictest9-21ksoftirqd/022:30:000
308219998,1cyclictest9-21ksoftirqd/021:45:000
308219998,1cyclictest9-21ksoftirqd/020:50:000
308219997,1cyclictest9-21ksoftirqd/019:20:000
308219993,6cyclictest29062-21latency_hist23:35:000
308219990,4cyclictest0-21swapper/020:25:100
308559986,1cyclictest11301-21snmpd19:28:213
308429988,0cyclictest0-21swapper/219:50:122
308429987,1cyclictest28-21ksoftirqd/223:15:002
308429987,1cyclictest28-21ksoftirqd/222:50:132
308429987,1cyclictest28-21ksoftirqd/220:20:002
308429987,1cyclictest28-21ksoftirqd/220:00:002
308429987,1cyclictest28-21ksoftirqd/219:15:002
308429986,1cyclictest11301-21snmpd21:40:182
308429984,3cyclictest23724-21sh21:54:402
308429981,7cyclictest61650irq/122-eno121:18:412
308429980,7cyclictest28-21ksoftirqd/200:12:232
308429980,4cyclictest0-21swapper/200:05:202
308299986,1cyclictest14382sleep122:07:531
308299981,1cyclictest0-21swapper/123:59:351
308299981,1cyclictest0-21swapper/123:46:281
308299981,1cyclictest0-21swapper/123:46:281
308299980,4cyclictest0-21swapper/121:30:191
308219988,0cyclictest9-21ksoftirqd/021:40:010
308219988,0cyclictest9-21ksoftirqd/000:05:000
308219987,1cyclictest9-21ksoftirqd/023:00:120
308219987,1cyclictest9-21ksoftirqd/022:50:000
308219987,1cyclictest9-21ksoftirqd/020:35:000
308219987,1cyclictest733-21sshd19:39:540
308219986,1cyclictest11301-21snmpd20:38:560
308219985,1cyclictest240-21systemd-journal23:25:000
308219982,4cyclictest8463-21kworker/u8:222:08:450
308219981,3cyclictest24108-21diskmemload00:17:190
308219980,3cyclictest0-21swapper/019:45:130
308219980,3cyclictest0-21swapper/019:40:110
308219980,3cyclictest0-21swapper/019:40:110
308219980,1cyclictest0-21swapper/022:30:590
4276270,0sleep20-21swapper/222:10:422
4276270,0sleep20-21swapper/222:10:422
308559976,1cyclictest11301-21snmpd23:30:373
308559976,1cyclictest11301-21snmpd22:28:233
308559976,1cyclictest11301-21snmpd21:17:093
308559976,1cyclictest11301-21snmpd20:25:553
308559975,1cyclictest11301-21snmpd21:03:083
308559974,1cyclictest240-21systemd-journal22:35:003
308559970,6cyclictest30759-21ssh00:21:423
308559970,4cyclictest14521-21apt-get00:00:013
308429977,0cyclictest28-21ksoftirqd/221:15:002
308429976,1cyclictest61650irq/122-eno122:38:572
308429976,1cyclictest61650irq/122-eno122:31:322
308429976,1cyclictest61650irq/122-eno121:34:552
308429976,1cyclictest31781-21latency_hist00:25:002
308429976,1cyclictest28-21ksoftirqd/222:20:002
308429976,1cyclictest11301-21snmpd20:46:502
308429976,0cyclictest61650irq/122-eno121:36:152
308429975,1cyclictest11301-21snmpd20:34:252
308429974,1cyclictest240-21systemd-journal21:10:002
308429973,2cyclictest24108-21diskmemload23:20:132
308429971,3cyclictest4324-21runrttasks22:59:092
308429970,6cyclictest31326-21apt-get22:05:112
308429970,1cyclictest0-21swapper/220:05:152
308299971,5cyclictest0-21swapper/119:49:151
308299970,6cyclictest0-21swapper/123:50:161
308299970,6cyclictest0-21swapper/121:40:451
308299970,6cyclictest0-21swapper/120:53:111
308299970,6cyclictest0-21swapper/119:10:151
308299970,5cyclictest0-21swapper/121:17:531
308219977,0cyclictest9-21ksoftirqd/000:05:000
308219976,1cyclictest9-21ksoftirqd/022:37:540
308219976,1cyclictest5382-21ssh00:31:570
308219976,1cyclictest27793-1kworker/u9:121:25:210
308219976,1cyclictest27793-1kworker/u9:121:25:210
308219976,1cyclictest11301-21snmpd21:54:010
308219976,1cyclictest11301-21snmpd00:22:170
308219975,1cyclictest11301-21snmpd19:23:410
308219971,5cyclictest733-21sshd19:53:210
308219971,5cyclictest24108-21diskmemload00:26:010
308219970,7cyclictest449-21taskset22:53:000
308219970,6cyclictest5763-1kworker/u9:123:55:160
308219970,6cyclictest27835-21ssh22:00:110
308219970,6cyclictest24889-21diskstats21:10:140
308219970,3cyclictest0-21swapper/021:18:500
308219970,2cyclictest0-21swapper/021:30:530
1363270,0sleep10-21swapper/123:40:151
308559966,0cyclictest18662-21sensors20:55:173
308559965,1cyclictest9566-21ssh21:33:573
308559965,1cyclictest29287-21ssh23:35:083
308559965,1cyclictest26406-21ssh21:11:373
308559965,1cyclictest23389-21ssh00:10:313
308559965,1cyclictest23149-21ssh21:52:463
308559965,1cyclictest22826-21ssh22:39:213
308559965,1cyclictest17107-21cat19:45:173
308559965,1cyclictest15827-21ssh21:41:333
308559965,1cyclictest11301-21snmpd23:21:273
308559965,1cyclictest11301-21snmpd23:13:213
308559965,1cyclictest11301-21snmpd23:05:423
308559965,1cyclictest11301-21snmpd21:57:523
308559965,1cyclictest11301-21snmpd21:08:293
308559965,1cyclictest11301-21snmpd20:30:193
308559965,1cyclictest11301-21snmpd20:14:013
308559965,1cyclictest11301-21snmpd20:04:223
308559965,1cyclictest11301-21snmpd19:35:063
308559965,0cyclictest24108-21diskmemload22:15:403
308559965,0cyclictest24108-21diskmemload21:22:483
308559964,0cyclictest24108-21diskmemload23:15:023
308559964,0cyclictest24108-21diskmemload22:51:413
308559963,1cyclictest24108-21diskmemload22:08:113
308559963,1cyclictest240-21systemd-journal20:25:003
308559962,3cyclictest29460-21ssh22:48:103
308559962,3cyclictest24108-21diskmemload22:20:083
308559962,3cyclictest24108-21diskmemload00:15:183
308559962,2cyclictest24108-21diskmemload23:50:553
308559962,1cyclictest4887-21users00:30:213
308559960,6cyclictest0-21swapper/323:41:043
308559960,4cyclictest0-21swapper/319:50:183
308559960,4cyclictest0-21swapper/300:05:153
308559960,3cyclictest693-21runrttasks21:46:013
308559960,3cyclictest0-21swapper/323:56:203
308559960,3cyclictest0-21swapper/323:25:113
308559960,2cyclictest0-21swapper/300:36:273
308429966,0cyclictest61650irq/122-eno123:55:142
308429966,0cyclictest61650irq/122-eno123:35:122
308429966,0cyclictest61650irq/122-eno123:25:062
308429966,0cyclictest61650irq/122-eno123:15:182
308429966,0cyclictest61650irq/122-eno123:05:402
308429966,0cyclictest61650irq/122-eno122:46:352
308429966,0cyclictest61650irq/122-eno122:40:082
308429966,0cyclictest61650irq/122-eno122:00:112
308429966,0cyclictest61650irq/122-eno121:25:202
308429966,0cyclictest61650irq/122-eno121:25:202
308429966,0cyclictest61650irq/122-eno121:23:432
308429966,0cyclictest61650irq/122-eno120:55:122
308429966,0cyclictest61650irq/122-eno120:35:122
308429966,0cyclictest61650irq/122-eno120:22:172
308429966,0cyclictest61650irq/122-eno119:26:212
308429966,0cyclictest61650irq/122-eno119:20:082
308429966,0cyclictest61650irq/122-eno119:15:052
308429966,0cyclictest61650irq/122-eno100:30:442
308429966,0cyclictest61650irq/122-eno100:15:082
308429966,0cyclictest61650irq/122-eno100:00:002
308429965,1cyclictest61650irq/122-eno123:45:132
308429965,1cyclictest61650irq/122-eno123:45:132
308429965,1cyclictest61650irq/122-eno100:35:122
308429965,1cyclictest5320-21cat23:00:122
308429965,1cyclictest28-21ksoftirqd/219:30:122
308429965,1cyclictest10932-21ntpq20:40:172
308429965,0cyclictest61650irq/122-eno123:30:142
308429964,1cyclictest61650irq/122-eno100:25:122
308429964,1cyclictest24691-21sensors20:00:202
308429962,2cyclictest24108-21diskmemload22:25:102
308429961,2cyclictest0-21swapper/223:40:112
308429960,3cyclictest0-21swapper/220:25:102
308299965,1cyclictest0-21swapper/123:10:191
308299962,3cyclictest0-21swapper/120:20:001
308299961,5cyclictest0-21swapper/120:42:111
308299960,6cyclictest0-21swapper/123:16:541
308299960,6cyclictest0-21swapper/122:44:091
308299960,6cyclictest0-21swapper/120:13:491
308299960,6cyclictest0-21swapper/119:37:391
308299960,6cyclictest0-21swapper/100:10:101
308299960,5cyclictest0-21swapper/122:23:131
308299960,5cyclictest0-21swapper/122:15:161
308299960,5cyclictest0-21swapper/121:01:111
308299960,5cyclictest0-21swapper/120:37:281
308299960,5cyclictest0-21swapper/120:34:281
308299960,5cyclictest0-21swapper/120:08:281
308299960,5cyclictest0-21swapper/119:30:151
308299960,3cyclictest0-21swapper/123:24:401
308299960,2cyclictest0-21swapper/100:26:451
308219966,0cyclictest11454-21ssh22:21:180
308219965,1cyclictest9-21ksoftirqd/021:55:000
308219965,1cyclictest9-21ksoftirqd/020:40:110
308219965,1cyclictest9-21ksoftirqd/020:15:130
308219965,1cyclictest6728-21aten_r1power_po00:35:140
308219965,1cyclictest29309-1kworker/u9:123:36:110
308219965,1cyclictest22345-21ssh23:25:090
308219965,1cyclictest15345-21/usr/sbin/munin23:15:090
308219965,1cyclictest12034-21ssh23:10:170
308219965,1cyclictest11301-21snmpd22:15:310
308219965,1cyclictest11301-21snmpd21:07:020
308219965,1cyclictest11301-21snmpd19:12:230
308219965,1cyclictest0-21swapper/020:20:200
308219964,1cyclictest9839-21cut19:30:140
308219964,1cyclictest11301-21snmpd20:11:400
308219961,2cyclictest0-21swapper/019:55:120
308219960,6cyclictest0-21swapper/022:55:140
308219960,4cyclictest0-21swapper/023:05:050
308219960,1cyclictest2514-21aten_r1power_po22:10:170
308219960,1cyclictest2514-21aten_r1power_po22:10:170
24868260,0sleep10-21swapper/123:27:461
308559955,0cyclictest946-21kworker/3:019:19:033
308559955,0cyclictest4601-21ssh22:11:463
308559955,0cyclictest4601-21ssh22:11:463
308559954,1cyclictest4970-21ssh21:26:433
308559954,1cyclictest4970-21ssh21:26:433
308559954,1cyclictest4012-21ssh22:58:073
308559954,1cyclictest35-21ksoftirqd/320:50:013
308559954,1cyclictest11301-21snmpd20:37:433
308559952,1cyclictest24108-21diskmemload23:00:453
308559952,1cyclictest240-21systemd-journal19:45:003
308559952,1cyclictest240-21systemd-journal19:45:003
308559952,1cyclictest240-21systemd-journal19:20:003
308559951,1cyclictest0-21swapper/323:45:203
308559951,1cyclictest0-21swapper/323:45:203
308559950,5cyclictest0-21swapper/319:11:443
308559950,3cyclictest24108-21diskmemload22:00:193
308559950,3cyclictest0-21swapper/322:40:123
308559950,2cyclictest0-21swapper/321:35:263
308429955,0cyclictest61650irq/122-eno121:00:222
308429955,0cyclictest61650irq/122-eno119:40:182
308429955,0cyclictest61650irq/122-eno119:40:182
308429952,1cyclictest240-21systemd-journal20:50:022
308429950,5cyclictest0-21swapper/219:45:242
308429950,0cyclictest0-21swapper/219:36:232
308299954,1cyclictest0-21swapper/122:35:211
308299953,1cyclictest6029-21chrt19:21:111
308299953,1cyclictest27022sleep119:15:151
308299952,1cyclictest0-21swapper/121:05:161
308299951,4cyclictest0-21swapper/122:51:471
308299951,1cyclictest0-21swapper/123:35:121
308299950,5cyclictest0-21swapper/122:57:301
308299950,5cyclictest0-21swapper/119:41:271
308299950,5cyclictest0-21swapper/119:41:271
308299950,5cyclictest0-21swapper/100:32:341
308299950,4cyclictest0-21swapper/120:25:171
308299950,4cyclictest0-21swapper/119:50:151
308299950,3cyclictest0-21swapper/123:30:121
308299950,3cyclictest0-21swapper/121:55:121
308299950,3cyclictest0-21swapper/121:51:351
308299950,3cyclictest0-21swapper/121:20:171
308299950,2cyclictest28930-21taskset22:46:251
308299950,2cyclictest0-21swapper/121:35:101
308299950,2cyclictest0-21swapper/120:45:111
308299950,2cyclictest0-21swapper/119:25:001
308299950,2cyclictest0-21swapper/100:38:551
308299950,2cyclictest0-21swapper/100:15:151
308299950,1cyclictest0-21swapper/122:30:111
308299950,1cyclictest0-21swapper/121:49:441
308299950,1cyclictest0-21swapper/121:25:181
308299950,1cyclictest0-21swapper/121:25:181
308299950,1cyclictest0-21swapper/121:10:121
308299950,1cyclictest0-21swapper/100:20:191
308299950,1cyclictest0-21swapper/100:00:151
308299950,0cyclictest0-21swapper/122:25:201
308219950,5cyclictest0-21swapper/021:00:140
308219950,4cyclictest0-21swapper/020:00:220
308219950,0cyclictest0-21swapper/020:55:120
308219950,0cyclictest0-21swapper/020:50:130
308559942,1cyclictest35-21ksoftirqd/319:30:103
308559942,1cyclictest20919-21apt-get19:55:123
308559940,3cyclictest0-21swapper/320:50:013
308559940,1cyclictest25651-21apt-get20:05:153
308299940,4cyclictest0-21swapper/120:03:401
308299940,2cyclictest0-21swapper/123:06:121
308299940,2cyclictest0-21swapper/123:00:141
308299940,1cyclictest0-21swapper/120:55:101
308299940,1cyclictest0-21swapper/100:05:141
308299930,2cyclictest0-21swapper/120:20:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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