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2026-08-27 - 17:11
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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 Aug 27, 2026 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26502201162,25sleep10-21swapper/107:09:071
26142201163,24sleep00-21swapper/007:08:370
27032200159,27sleep20-21swapper/207:09:482
24112200168,20sleep30-21swapper/307:05:593
74882170,0sleep30-21swapper/310:56:153
132152160,0sleep00-21swapper/007:30:120
2825991312,1cyclictest28-21ksoftirqd/211:20:202
2825991311,1cyclictest28-21ksoftirqd/212:13:282
2825991311,1cyclictest28-21ksoftirqd/209:20:002
2825991210,1cyclictest28-21ksoftirqd/211:30:012
2825991210,1cyclictest28-21ksoftirqd/210:15:152
281799120,11cyclictest0-21swapper/111:40:121
280599121,5cyclictest20749-21latency_hist09:45:010
282599119,1cyclictest28-21ksoftirqd/209:10:152
2825991111,0cyclictest28-21ksoftirqd/212:17:142
2825991110,1cyclictest28-21ksoftirqd/211:45:212
2825991110,1cyclictest28-21ksoftirqd/209:50:182
282599110,7cyclictest240-21systemd-journal10:00:002
282599110,0cyclictest0-21swapper/212:32:112
280599119,1cyclictest9-21ksoftirqd/010:10:140
2805991110,1cyclictest9-21ksoftirqd/012:35:120
2805991110,1cyclictest9-21ksoftirqd/011:00:130
2805991110,1cyclictest9-21ksoftirqd/009:00:000
282599109,1cyclictest28-21ksoftirqd/211:55:182
282599109,1cyclictest28-21ksoftirqd/211:50:282
282599109,1cyclictest28-21ksoftirqd/211:15:112
282599109,1cyclictest28-21ksoftirqd/209:35:122
282599109,1cyclictest28-21ksoftirqd/209:20:132
282599108,1cyclictest28-21ksoftirqd/212:05:002
282599108,1cyclictest28-21ksoftirqd/211:10:162
282599108,1cyclictest28-21ksoftirqd/210:30:132
282599108,1cyclictest28-21ksoftirqd/207:50:152
2825991010,0cyclictest28-21ksoftirqd/212:39:552
282599100,6cyclictest27678-21diskmemload11:40:102
280599109,1cyclictest9-21ksoftirqd/011:30:010
280599109,1cyclictest9-21ksoftirqd/010:45:140
280599109,1cyclictest9-21ksoftirqd/009:15:130
280599109,1cyclictest9-21ksoftirqd/008:45:000
280599109,1cyclictest9-21ksoftirqd/007:15:020
280599109,1cyclictest9-21ksoftirqd/007:14:590
280599108,1cyclictest27059-21cron08:00:010
28259999,0cyclictest32274-21sensors10:45:192
28259999,0cyclictest28-21ksoftirqd/212:05:222
28259999,0cyclictest28-21ksoftirqd/210:05:192
28259998,1cyclictest28-21ksoftirqd/212:25:142
28259998,1cyclictest28-21ksoftirqd/210:50:152
28259998,1cyclictest28-21ksoftirqd/210:35:292
28259998,1cyclictest28-21ksoftirqd/210:00:122
28259998,1cyclictest28-21ksoftirqd/207:24:592
28259997,1cyclictest28-21ksoftirqd/208:25:002
28179990,6cyclictest0-21swapper/108:40:151
28059999,0cyclictest9-21ksoftirqd/010:00:170
28059998,1cyclictest9-21ksoftirqd/012:05:140
28059998,1cyclictest9-21ksoftirqd/010:43:120
28059998,1cyclictest9-21ksoftirqd/010:09:590
28339987,1cyclictest35-21ksoftirqd/312:15:013
28339986,1cyclictest11301-21snmpd11:19:463
28339986,1cyclictest11301-21snmpd08:07:533
28339981,5cyclictest11301-21snmpd09:12:113
28259988,0cyclictest28-21ksoftirqd/210:10:192
28259988,0cyclictest28-21ksoftirqd/209:27:512
28259987,1cyclictest28-21ksoftirqd/211:05:192
28259987,1cyclictest28-21ksoftirqd/210:40:292
28259987,1cyclictest28-21ksoftirqd/210:26:162
28259987,1cyclictest28-21ksoftirqd/210:20:142
28259987,1cyclictest28-21ksoftirqd/209:40:132
28259987,0cyclictest28-21ksoftirqd/210:55:142
28259986,1cyclictest61650irq/122-eno108:55:132
28259986,1cyclictest28-21ksoftirqd/211:35:142
28259986,1cyclictest28-21ksoftirqd/209:49:272
28259986,1cyclictest28-21ksoftirqd/209:30:212
28259986,1cyclictest28-21ksoftirqd/208:05:122
28179981,3cyclictest0-21swapper/110:45:161
28179981,1cyclictest0-21swapper/112:31:261
28179980,4cyclictest0-21swapper/111:05:021
28179980,4cyclictest0-21swapper/109:20:111
28059987,1cyclictest9-21ksoftirqd/012:20:140
28059987,1cyclictest9-21ksoftirqd/012:10:110
28059987,1cyclictest9-21ksoftirqd/009:49:210
28059987,1cyclictest9-21ksoftirqd/009:36:190
28059987,1cyclictest9-21ksoftirqd/008:00:140
28059987,1cyclictest9-21ksoftirqd/007:55:000
28059987,1cyclictest9-21ksoftirqd/007:40:120
28059986,1cyclictest14541-21ssh11:05:430
28059983,2cyclictest240-21systemd-journal08:19:590
28059982,4cyclictest548-21systemd-logind11:32:070
28059980,7cyclictest18126-21ssh11:58:190
28059980,7cyclictest0-21swapper/011:15:130
28339976,1cyclictest11301-21snmpd10:46:153
28339976,1cyclictest11301-21snmpd08:46:233
28339976,1cyclictest11301-21snmpd08:14:373
28339976,1cyclictest11301-21snmpd08:01:183
28339976,1cyclictest11301-21snmpd07:37:473
28339975,1cyclictest35-21ksoftirqd/307:40:093
28339975,1cyclictest24086-21cat09:00:153
28339975,1cyclictest19218-21ssh10:27:233
28339975,1cyclictest11301-21snmpd11:35:063
28339975,1cyclictest11301-21snmpd08:21:153
28339975,1cyclictest10335-21apt-get09:30:113
28339974,1cyclictest15213-21sh11:07:563
28339973,1cyclictest240-21systemd-journal12:39:553
28339972,5cyclictest25570-21runrttasks12:09:483
28339972,1cyclictest22572-21/usr/sbin/munin07:50:123
28339971,2cyclictest0-21swapper/310:00:053
28339970,5cyclictest0-21swapper/312:00:363
28339970,4cyclictest7302-21awk12:30:003
28339970,4cyclictest0-21swapper/309:29:553
28339970,4cyclictest0-21swapper/308:40:213
28339970,3cyclictest0-21swapper/308:55:123
28339970,2cyclictest0-21swapper/312:24:033
28339970,1cyclictest0-21swapper/311:23:143
28259976,1cyclictest61650irq/122-eno111:32:382
28259976,1cyclictest61650irq/122-eno107:35:132
28259976,1cyclictest61650irq/122-eno107:15:012
28259976,1cyclictest28-21ksoftirqd/207:45:152
28259976,1cyclictest28-21ksoftirqd/207:10:122
28259976,1cyclictest16779-21kworker/2:009:00:182
28259976,1cyclictest11301-21snmpd11:01:422
28259976,1cyclictest0-21swapper/212:20:322
28259976,1cyclictest0-21swapper/207:42:182
28259976,0cyclictest61650irq/122-eno108:25:142
28259975,1cyclictest28-21ksoftirqd/207:55:142
28259975,1cyclictest11301-21snmpd08:04:292
28259970,5cyclictest0-21swapper/209:05:122
28179971,6cyclictest0-21swapper/107:41:081
28179971,3cyclictest0-21swapper/110:33:261
28179971,1cyclictest0-21swapper/108:45:021
28179970,4cyclictest0-21swapper/112:25:181
28179970,4cyclictest0-21swapper/111:52:081
28179970,4cyclictest0-21swapper/109:10:141
28179970,3cyclictest0-21swapper/112:05:041
28179970,3cyclictest0-21swapper/110:17:161
28179970,1cyclictest0-21swapper/110:38:151
28179970,1cyclictest0-21swapper/109:48:571
28179970,1cyclictest0-21swapper/107:31:191
28059977,0cyclictest9-21ksoftirqd/010:35:130
28059977,0cyclictest9-21ksoftirqd/007:35:150
28059976,1cyclictest9-21ksoftirqd/008:50:130
28059976,1cyclictest9-21ksoftirqd/007:45:150
28059976,1cyclictest9-21ksoftirqd/007:25:130
28059976,1cyclictest19860-21cat12:00:160
28059975,1cyclictest9-21ksoftirqd/012:30:140
28059975,1cyclictest9-21ksoftirqd/009:06:120
28059975,1cyclictest9-21ksoftirqd/009:00:120
28059975,1cyclictest9-21ksoftirqd/007:20:130
28059975,1cyclictest12254-1kworker/u9:010:20:110
28059973,4cyclictest11301-21snmpd09:31:450
28059972,1cyclictest4684-21ssh12:25:120
28059970,6cyclictest7235-21ssh09:25:140
28059970,6cyclictest4426-21ssh11:39:190
28059970,6cyclictest28128-21ssh09:10:120
28059970,6cyclictest25591-21ssh11:22:290
28059970,6cyclictest23119-1kworker/u9:009:50:120
28059970,6cyclictest16980-21telnet10:25:130
28059970,6cyclictest16667-21ssh11:10:140
28059970,6cyclictest0-21swapper/011:45:160
28059970,6cyclictest0-21swapper/010:55:190
28059970,6cyclictest0-21swapper/008:45:180
28059970,6cyclictest0-21swapper/008:35:170
28059970,1cyclictest7568-21ssh11:43:060
28059970,1cyclictest693-21runrttasks08:26:060
28059970,1cyclictest3873-21ssh10:50:530
28059970,1cyclictest30239-21ssh09:56:470
28059970,1cyclictest27678-21diskmemload09:20:030
28059970,1cyclictest14542-21ssh11:53:030
28059970,1cyclictest12527-21ssh10:18:230
28059970,1cyclictest0-21swapper/010:30:280
3835260,0sleep30-21swapper/310:05:183
28339965,1cyclictest6330-21sshd10:10:103
28339965,1cyclictest4177-21ntpq07:10:173
28339965,1cyclictest3828-21ssh10:50:463
28339965,1cyclictest31582-21ssh09:15:033
28339965,1cyclictest24201-21ssh09:49:553
28339965,1cyclictest22449-21ssh10:31:313
28339965,1cyclictest17934-21ssh11:10:223
28339965,1cyclictest17630-21ssh11:56:433
28339965,1cyclictest11301-21snmpd08:28:163
28339965,1cyclictest11301-21snmpd07:19:133
28339965,0cyclictest27678-21diskmemload10:40:473
28339964,1cyclictest6041-21tail11:40:173
28339964,1cyclictest11668-21cat07:25:153
28339964,1cyclictest11301-21snmpd08:53:293
28339962,2cyclictest27678-21diskmemload09:50:133
28339962,0cyclictest30360-21apt-get11:30:113
28339960,3cyclictest12761-21hddtemp_smartct11:50:163
28339960,3cyclictest11877-21taskset11:04:073
28339960,3cyclictest0-21swapper/312:34:153
28339960,2cyclictest0-21swapper/312:10:333
28339960,2cyclictest0-21swapper/310:36:063
28339960,2cyclictest0-21swapper/310:22:093
28339960,2cyclictest0-21swapper/310:15:023
28339960,2cyclictest0-21swapper/309:20:453
28339960,0cyclictest0-21swapper/309:58:243
28259966,0cyclictest61650irq/122-eno108:40:092
28259966,0cyclictest61650irq/122-eno107:32:362
28259966,0cyclictest61650irq/122-eno107:25:122
28259965,1cyclictest16779-21kworker/2:008:50:142
28259964,1cyclictest0-21swapper/208:10:102
28259960,6cyclictest0-21swapper/208:35:102
28259960,5cyclictest0-21swapper/208:32:182
28259960,2cyclictest0-21swapper/208:45:202
28179966,0cyclictest0-21swapper/110:58:411
28179963,1cyclictest0-21swapper/111:12:521
28179961,1cyclictest0-21swapper/110:40:101
28179960,6cyclictest0-21swapper/112:35:181
28179960,6cyclictest0-21swapper/111:57:261
28179960,6cyclictest0-21swapper/111:30:221
28179960,6cyclictest0-21swapper/111:28:511
28179960,6cyclictest0-21swapper/109:41:241
28179960,6cyclictest0-21swapper/108:56:471
28179960,6cyclictest0-21swapper/108:52:131
28179960,6cyclictest0-21swapper/107:29:351
28179960,6cyclictest0-21swapper/107:19:241
28179960,4cyclictest0-21swapper/109:27:201
28179960,3cyclictest0-21swapper/110:27:401
28179960,3cyclictest0-21swapper/109:33:421
28179960,2cyclictest0-21swapper/107:50:011
28179960,1cyclictest0-21swapper/112:20:161
28179960,1cyclictest0-21swapper/112:18:241
28179960,1cyclictest0-21swapper/111:05:001
28179960,1cyclictest0-21swapper/110:53:461
28179960,0cyclictest0-21swapper/110:05:211
28059966,0cyclictest9-21ksoftirqd/008:30:130
28059965,1cyclictest11301-21snmpd08:13:580
28059964,1cyclictest9-21ksoftirqd/008:20:120
28059964,1cyclictest693-21runrttasks08:05:100
28059960,0cyclictest0-21swapper/012:15:030
28339953,1cyclictest25438-21diskstats07:55:143
28339953,1cyclictest17667-21aten_r1power_vo09:40:123
28339951,3cyclictest0-21swapper/311:25:123
28339951,2cyclictest13140-21apt-get07:30:113
28339951,1cyclictest27678-21diskmemload09:35:033
28339951,1cyclictest11887-21df08:35:113
28339950,5cyclictest0-21swapper/307:20:173
28339950,2cyclictest25552-21apt-get09:05:123
28339950,2cyclictest0-21swapper/311:45:123
28339950,2cyclictest0-21swapper/307:45:143
28339950,1cyclictest240-21systemd-journal08:20:003
28259955,0cyclictest61650irq/122-eno108:15:132
28179955,0cyclictest0-21swapper/109:16:071
28179955,0cyclictest0-21swapper/108:26:131
28179955,0cyclictest0-21swapper/107:50:161
28179952,2cyclictest0-21swapper/112:10:101
28179951,3cyclictest0-21swapper/108:00:211
28179951,3cyclictest0-21swapper/107:10:111
28179951,2cyclictest0-21swapper/111:45:141
28179950,5cyclictest0-21swapper/109:55:171
28179950,5cyclictest0-21swapper/108:37:491
28179950,5cyclictest0-21swapper/108:34:371
28179950,5cyclictest0-21swapper/108:05:151
28179950,4cyclictest0-21swapper/109:50:521
28179950,3cyclictest0-21swapper/111:35:301
28179950,3cyclictest0-21swapper/110:20:161
28179950,3cyclictest0-21swapper/110:02:001
28179950,2cyclictest0-21swapper/112:00:161
28179950,2cyclictest0-21swapper/111:23:571
28179950,2cyclictest0-21swapper/109:35:161
28179950,1cyclictest0-21swapper/111:17:361
28179950,1cyclictest0-21swapper/110:13:301
28179950,1cyclictest0-21swapper/107:55:111
28179950,1cyclictest0-21swapper/107:20:201
28339944,0cyclictest35-21ksoftirqd/308:30:053
28179941,2cyclictest0-21swapper/109:05:111
28179940,4cyclictest0-21swapper/108:17:521
28179940,3cyclictest0-21swapper/107:35:201
28179940,2cyclictest0-21swapper/109:00:111
28179940,2cyclictest0-21swapper/108:20:111
28179940,1cyclictest0-21swapper/108:10:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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