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2026-08-10 - 15:43
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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 Mon Aug 10, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275812203170,21sleep20-21swapper/207:06:172
277172201161,25sleep00-21swapper/007:08:040
276022201162,26sleep30-21swapper/307:06:343
276832199161,25sleep10-21swapper/107:07:371
116382690,0sleep20-21swapper/207:40:142
44372260,1sleep24441-21tail07:25:162
27961992019,1cyclictest35-21ksoftirqd/311:05:113
27961991918,1cyclictest35-21ksoftirqd/310:30:163
269982190,0sleep00-21swapper/012:20:150
27961991818,0cyclictest35-21ksoftirqd/310:18:123
27961991818,0cyclictest35-21ksoftirqd/309:49:333
27961991818,0cyclictest35-21ksoftirqd/309:49:333
27961991811,7cyclictest35-21ksoftirqd/311:20:013
27961991717,0cyclictest35-21ksoftirqd/311:43:013
27961991717,0cyclictest35-21ksoftirqd/310:13:133
27961991714,3cyclictest35-21ksoftirqd/312:35:013
2796199168,8cyclictest35-21ksoftirqd/310:00:183
27961991614,1cyclictest35-21ksoftirqd/309:00:173
27961991515,0cyclictest35-21ksoftirqd/311:21:373
27961991515,0cyclictest35-21ksoftirqd/311:02:463
27961991414,0cyclictest35-21ksoftirqd/312:19:053
27961991414,0cyclictest35-21ksoftirqd/311:33:223
27961991414,0cyclictest35-21ksoftirqd/310:43:163
27961991414,0cyclictest35-21ksoftirqd/310:05:143
27961991413,1cyclictest35-21ksoftirqd/307:10:123
27961991313,0cyclictest35-21ksoftirqd/312:35:143
27961991313,0cyclictest35-21ksoftirqd/312:13:053
27961991313,0cyclictest35-21ksoftirqd/312:09:323
27961991313,0cyclictest35-21ksoftirqd/311:28:503
27961991313,0cyclictest35-21ksoftirqd/310:37:253
27961991313,0cyclictest35-21ksoftirqd/309:50:333
27961991313,0cyclictest35-21ksoftirqd/309:25:273
27961991313,0cyclictest35-21ksoftirqd/309:20:543
27961991312,1cyclictest35-21ksoftirqd/308:30:003
27961991311,1cyclictest35-21ksoftirqd/311:55:223
27961991311,1cyclictest35-21ksoftirqd/310:30:003
27961991311,1cyclictest35-21ksoftirqd/307:15:003
27956991311,1cyclictest28-21ksoftirqd/211:15:012
27951991313,0cyclictest0-21swapper/112:20:161
27961991212,0cyclictest35-21ksoftirqd/311:45:273
27961991212,0cyclictest35-21ksoftirqd/311:35:213
27961991212,0cyclictest35-21ksoftirqd/310:50:123
27961991212,0cyclictest35-21ksoftirqd/310:20:163
27961991212,0cyclictest35-21ksoftirqd/309:55:033
27961991212,0cyclictest35-21ksoftirqd/308:54:373
27961991212,0cyclictest35-21ksoftirqd/308:00:123
27961991211,1cyclictest35-21ksoftirqd/309:40:003
27961991211,1cyclictest35-21ksoftirqd/309:30:193
27961991211,1cyclictest35-21ksoftirqd/308:40:003
27961991211,1cyclictest35-21ksoftirqd/307:55:003
27961991210,1cyclictest35-21ksoftirqd/310:55:133
27961991210,1cyclictest35-21ksoftirqd/310:45:223
27961991210,1cyclictest35-21ksoftirqd/309:40:113
27961991210,1cyclictest35-21ksoftirqd/309:15:153
27961991210,1cyclictest35-21ksoftirqd/309:10:143
27961991210,1cyclictest35-21ksoftirqd/309:00:003
27961991210,1cyclictest35-21ksoftirqd/308:30:153
27961991210,1cyclictest35-21ksoftirqd/308:20:133
27961991210,1cyclictest35-21ksoftirqd/308:20:003
27961991210,1cyclictest35-21ksoftirqd/308:10:213
27961991210,1cyclictest35-21ksoftirqd/307:40:003
27956991212,0cyclictest28-21ksoftirqd/212:00:122
27956991211,1cyclictest28-21ksoftirqd/212:10:212
27956991210,1cyclictest28-21ksoftirqd/212:20:142
27956991210,1cyclictest28-21ksoftirqd/210:05:192
27956991210,1cyclictest28-21ksoftirqd/209:30:162
2794099120,12cyclictest0-21swapper/011:30:120
2796199119,1cyclictest35-21ksoftirqd/311:50:143
2796199119,1cyclictest35-21ksoftirqd/309:05:113
2796199119,1cyclictest35-21ksoftirqd/308:45:123
2796199119,1cyclictest35-21ksoftirqd/308:40:143
2796199119,1cyclictest35-21ksoftirqd/308:00:013
2796199119,1cyclictest35-21ksoftirqd/307:30:183
2796199119,1cyclictest35-21ksoftirqd/307:25:173
27961991111,0cyclictest35-21ksoftirqd/311:10:093
27961991111,0cyclictest35-21ksoftirqd/308:05:183
27961991110,1cyclictest35-21ksoftirqd/312:25:153
27961991110,1cyclictest35-21ksoftirqd/312:20:203
27961991110,1cyclictest35-21ksoftirqd/312:00:003
27961991110,1cyclictest35-21ksoftirqd/307:45:183
27961991110,1cyclictest35-21ksoftirqd/307:40:153
27961991110,1cyclictest35-21ksoftirqd/307:20:203
2795699119,1cyclictest28-21ksoftirqd/211:25:132
2795699119,1cyclictest28-21ksoftirqd/211:05:182
2795699119,1cyclictest28-21ksoftirqd/210:25:152
2795699119,1cyclictest28-21ksoftirqd/209:55:152
27956991110,1cyclictest28-21ksoftirqd/211:55:202
27956991110,1cyclictest28-21ksoftirqd/210:45:212
27956991110,1cyclictest28-21ksoftirqd/209:35:132
2795699110,1cyclictest0-21swapper/207:45:102
2794099113,4cyclictest5886-21perf07:30:010
2794099112,4cyclictest20084-21perf08:00:000
2795699109,1cyclictest28-21ksoftirqd/212:25:152
2795699109,1cyclictest28-21ksoftirqd/211:50:182
2795699109,1cyclictest28-21ksoftirqd/211:45:012
2795699109,1cyclictest28-21ksoftirqd/211:15:122
2795699109,1cyclictest28-21ksoftirqd/211:00:142
2795699109,1cyclictest28-21ksoftirqd/210:50:202
2795699109,1cyclictest28-21ksoftirqd/210:41:482
2795699109,1cyclictest28-21ksoftirqd/209:50:112
2795699109,1cyclictest28-21ksoftirqd/209:10:002
2795699109,1cyclictest28-21ksoftirqd/208:35:142
2795699108,1cyclictest28-21ksoftirqd/212:30:152
2795699108,1cyclictest28-21ksoftirqd/212:05:132
2795699108,1cyclictest28-21ksoftirqd/211:49:552
2795699108,1cyclictest28-21ksoftirqd/211:30:212
2795699100,10cyclictest0-21swapper/208:26:012
27951991010,0cyclictest0-21swapper/107:19:461
2794099109,1cyclictest9-21ksoftirqd/008:35:270
2794099102,4cyclictest8240-21latency_hist07:35:000
279569999,0cyclictest28-21ksoftirqd/211:35:152
279569999,0cyclictest28-21ksoftirqd/210:10:142
279569998,1cyclictest28-21ksoftirqd/210:30:182
279569998,1cyclictest28-21ksoftirqd/210:01:352
279569998,1cyclictest28-21ksoftirqd/209:45:202
279569998,1cyclictest28-21ksoftirqd/209:45:192
279569998,1cyclictest28-21ksoftirqd/207:35:192
279569998,1cyclictest28-21ksoftirqd/207:20:002
279569997,1cyclictest28-21ksoftirqd/208:05:182
279569994,4cyclictest65392sleep212:36:202
279409998,1cyclictest9-21ksoftirqd/010:30:000
279409997,1cyclictest9-21ksoftirqd/008:05:000
279409997,1cyclictest9-21ksoftirqd/007:15:010
279569988,0cyclictest28-21ksoftirqd/209:17:282
279569987,1cyclictest28-21ksoftirqd/212:15:152
279569987,1cyclictest28-21ksoftirqd/210:55:132
279569987,1cyclictest28-21ksoftirqd/210:20:142
279569987,1cyclictest28-21ksoftirqd/209:40:122
279569987,1cyclictest28-21ksoftirqd/209:00:182
279569987,1cyclictest28-21ksoftirqd/208:55:172
279569987,1cyclictest28-21ksoftirqd/207:50:132
279569987,1cyclictest28-21ksoftirqd/207:30:132
279569987,1cyclictest28-21ksoftirqd/207:20:142
279569986,1cyclictest28-21ksoftirqd/211:20:162
279569986,1cyclictest28-21ksoftirqd/210:35:142
279569986,1cyclictest28-21ksoftirqd/209:24:342
279569986,1cyclictest28-21ksoftirqd/208:40:142
279569986,1cyclictest28-21ksoftirqd/208:20:182
279569985,3cyclictest0-21swapper/209:05:192
279409986,1cyclictest28582-21apt-get09:20:110
279409986,1cyclictest11301-21snmpd10:14:110
279409986,1cyclictest11301-21snmpd07:38:040
279409984,4cyclictest9-21ksoftirqd/009:55:210
279409982,5cyclictest26106-21awk09:15:190
279409980,7cyclictest22216-21ssh11:27:270
279409980,7cyclictest21066-21diskmemload12:08:490
279409980,7cyclictest1983-21ssh09:26:200
279409980,4cyclictest6864-21perf09:35:000
279409980,1cyclictest3039-21ssh12:31:180
279409980,1cyclictest29054-21ssh11:36:550
279569976,1cyclictest61650irq/122-eno109:25:142
279569976,1cyclictest61650irq/122-eno108:50:592
279569976,1cyclictest28-21ksoftirqd/210:16:412
279569976,1cyclictest28-21ksoftirqd/208:45:132
279569976,1cyclictest28-21ksoftirqd/208:10:132
279569975,1cyclictest28-21ksoftirqd/208:00:142
279569975,1cyclictest28-21ksoftirqd/207:10:122
279569975,1cyclictest11301-21snmpd08:32:022
279519971,6cyclictest0-21swapper/110:12:331
279519971,6cyclictest0-21swapper/108:41:181
279519971,6cyclictest0-21swapper/107:49:071
279519971,3cyclictest0-21swapper/112:16:451
279519970,6cyclictest0-21swapper/109:05:121
279519970,6cyclictest0-21swapper/108:25:151
279519970,5cyclictest0-21swapper/110:05:231
279519970,4cyclictest0-21swapper/109:00:151
279409976,1cyclictest27084-21ssh10:02:190
279409976,1cyclictest11150-21ssh09:40:130
279409975,1cyclictest90932sleep011:10:110
279409975,1cyclictest31413-21diskstats10:55:140
279409975,1cyclictest2119-21diskstats11:45:130
279409975,1cyclictest11301-21snmpd09:01:330
279409975,1cyclictest11301-21snmpd08:53:360
279409975,1cyclictest11301-21snmpd08:46:030
279409975,1cyclictest11301-21snmpd08:27:170
279409975,1cyclictest11301-21snmpd07:41:430
279409973,3cyclictest21066-21diskmemload10:43:350
279409973,2cyclictest240-21systemd-journal08:14:590
279409973,2cyclictest21066-21diskmemload12:26:580
279409971,5cyclictest4354-21ssh12:35:000
279409970,6cyclictest6910-21ssh11:50:270
279409970,6cyclictest25572-21sed10:45:210
279409970,6cyclictest22823-21/usr/sbin/munin12:15:110
279409970,6cyclictest19067-21taskset10:36:460
279409970,6cyclictest17732-21python11:20:210
279409970,6cyclictest16190-21ssh09:46:120
279409970,6cyclictest16190-21ssh09:46:110
279409970,6cyclictest14468-21/usr/sbin/munin11:15:200
279409970,6cyclictest0-21swapper/012:10:180
279409970,6cyclictest0-21swapper/009:05:120
279409970,6cyclictest0-21swapper/008:55:170
279409970,6cyclictest0-21swapper/008:15:180
279409970,6cyclictest0-21swapper/007:20:190
279409970,1cyclictest8242sleep011:43:270
279409970,1cyclictest8150-21missed_timers09:35:150
279409970,1cyclictest5065-21ssh10:16:580
279409970,1cyclictest3201-21open_files11:00:170
279409970,1cyclictest30058-21ssh10:53:130
279409970,1cyclictest21209-21apt-key09:10:000
279409970,1cyclictest19981-21ssh09:52:060
279409970,1cyclictest11075-21ssh11:57:360
279409970,1cyclictest0-21swapper/010:30:130
279409970,1cyclictest0-21swapper/010:05:000
279409970,1cyclictest0-21swapper/007:15:280
279569966,0cyclictest61650irq/122-eno108:15:182
279569965,1cyclictest28-21ksoftirqd/207:55:122
279519961,5cyclictest0-21swapper/110:03:291
279519961,3cyclictest0-21swapper/110:35:011
279519961,2cyclictest0-21swapper/110:50:131
279519960,6cyclictest0-21swapper/111:38:311
279519960,6cyclictest0-21swapper/111:30:351
279519960,6cyclictest0-21swapper/111:08:381
279519960,6cyclictest0-21swapper/108:12:451
279519960,6cyclictest0-21swapper/108:02:241
279519960,6cyclictest0-21swapper/107:39:491
279519960,5cyclictest0-21swapper/111:50:151
279519960,5cyclictest0-21swapper/107:10:071
279519960,4cyclictest0-21swapper/112:25:111
279519960,4cyclictest0-21swapper/111:49:191
279519960,4cyclictest0-21swapper/111:21:201
279519960,4cyclictest0-21swapper/111:10:171
279519960,4cyclictest0-21swapper/109:45:171
279519960,4cyclictest0-21swapper/109:45:161
279519960,3cyclictest0-21swapper/109:56:461
279519960,2cyclictest0-21swapper/111:17:381
279519960,2cyclictest0-21swapper/110:43:221
279409965,1cyclictest6984-1kworker/u9:012:00:510
279409964,1cyclictest9-21ksoftirqd/008:35:010
279409964,1cyclictest11301-21snmpd07:47:550
279409960,5cyclictest21066-21diskmemload11:05:050
279409960,0cyclictest0-21swapper/010:20:120
279409960,0cyclictest0-21swapper/008:42:520
279409960,0cyclictest0-21swapper/008:20:120
26434260,0sleep10-21swapper/110:47:531
279519953,1cyclictest0-21swapper/108:30:141
279519951,2cyclictest0-21swapper/111:25:011
279519950,5cyclictest0-21swapper/112:38:421
279519950,5cyclictest0-21swapper/109:12:361
279519950,5cyclictest0-21swapper/108:37:281
279519950,5cyclictest0-21swapper/107:20:521
279519950,4cyclictest0-21swapper/112:30:151
279519950,4cyclictest0-21swapper/109:20:071
279519950,4cyclictest0-21swapper/108:07:051
279519950,3cyclictest0-21swapper/112:05:291
279519950,3cyclictest0-21swapper/111:02:281
279519950,3cyclictest0-21swapper/110:55:191
279519950,3cyclictest0-21swapper/110:28:001
279519950,3cyclictest0-21swapper/109:35:101
279519950,3cyclictest0-21swapper/107:55:201
279519950,3cyclictest0-21swapper/107:45:001
279519950,2cyclictest0-21swapper/112:00:211
279519950,2cyclictest0-21swapper/111:55:151
279519950,2cyclictest0-21swapper/110:22:271
279519950,2cyclictest0-21swapper/109:40:591
279519950,2cyclictest0-21swapper/109:31:231
279519950,2cyclictest0-21swapper/109:26:141
279519950,1cyclictest0-21swapper/111:40:251
279519950,1cyclictest0-21swapper/110:15:161
279519950,1cyclictest0-21swapper/109:53:231
279409950,4cyclictest23795-21ntp_states08:05:190
279409950,0cyclictest0-21swapper/007:50:100
279519941,1cyclictest0-21swapper/108:50:231
279519940,4cyclictest0-21swapper/110:30:211
279519940,4cyclictest0-21swapper/108:17:271
279519940,4cyclictest0-21swapper/107:50:021
279519940,2cyclictest0-21swapper/112:10:141
279519940,2cyclictest0-21swapper/108:55:171
279519940,2cyclictest0-21swapper/108:45:121
279519940,2cyclictest0-21swapper/107:25:161
279519940,1cyclictest0-21swapper/108:22:291
279519940,0cyclictest0-21swapper/109:15:121
279519930,2cyclictest0-21swapper/107:30:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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