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2026-08-07 - 20:05
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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 Fri Aug 07, 2026 12:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7552232158,24sleep00-21swapper/007:06:230
7552232158,24sleep00-21swapper/007:06:230
8272229162,53sleep30-21swapper/307:07:193
8272229162,53sleep30-21swapper/307:07:183
8872218156,23sleep10-21swapper/107:08:051
8872218156,23sleep10-21swapper/107:08:051
9602204163,26sleep20-21swapper/207:09:032
9602204163,26sleep20-21swapper/207:09:022
260882690,0sleep00-21swapper/009:54:120
1129992120,1cyclictest28-21ksoftirqd/209:10:002
1129992019,1cyclictest28-21ksoftirqd/211:20:142
1129991918,1cyclictest28-21ksoftirqd/208:35:192
1129991817,1cyclictest28-21ksoftirqd/208:30:212
1129991817,1cyclictest28-21ksoftirqd/207:40:112
1129991717,0cyclictest28-21ksoftirqd/211:38:322
1129991616,0cyclictest28-21ksoftirqd/212:26:252
1129991614,1cyclictest28-21ksoftirqd/210:00:012
1129991515,0cyclictest28-21ksoftirqd/212:04:452
1129991515,0cyclictest28-21ksoftirqd/211:11:332
1129991515,0cyclictest28-21ksoftirqd/210:22:392
1129991515,0cyclictest28-21ksoftirqd/210:01:462
1129991515,0cyclictest28-21ksoftirqd/209:20:392
1129991514,1cyclictest28-21ksoftirqd/211:16:292
1129991514,1cyclictest28-21ksoftirqd/210:45:142
1129991514,1cyclictest28-21ksoftirqd/209:13:112
1129991514,1cyclictest28-21ksoftirqd/208:05:152
1129991510,4cyclictest28-21ksoftirqd/207:40:002
1129991414,0cyclictest28-21ksoftirqd/210:37:152
1129991413,1cyclictest28-21ksoftirqd/212:30:202
1129991413,1cyclictest28-21ksoftirqd/211:32:142
1129991413,1cyclictest28-21ksoftirqd/210:20:012
1129991413,1cyclictest28-21ksoftirqd/210:20:012
1129991313,0cyclictest28-21ksoftirqd/212:14:512
1129991313,0cyclictest28-21ksoftirqd/210:52:092
1129991313,0cyclictest28-21ksoftirqd/210:30:182
1129991313,0cyclictest28-21ksoftirqd/210:12:132
1129991313,0cyclictest28-21ksoftirqd/209:52:572
1129991313,0cyclictest28-21ksoftirqd/209:40:502
1129991313,0cyclictest28-21ksoftirqd/209:15:222
1129991313,0cyclictest28-21ksoftirqd/207:55:132
1129991312,1cyclictest28-21ksoftirqd/212:36:462
1129991312,1cyclictest28-21ksoftirqd/211:50:122
1129991312,1cyclictest28-21ksoftirqd/211:50:112
1129991312,1cyclictest28-21ksoftirqd/209:05:012
1129991312,1cyclictest28-21ksoftirqd/209:00:002
1129991311,1cyclictest28-21ksoftirqd/211:25:112
1129991311,1cyclictest28-21ksoftirqd/207:29:592
111999132,5cyclictest23458-21perf07:55:000
111999130,12cyclictest0-21swapper/009:35:120
1129991212,0cyclictest28-21ksoftirqd/212:24:352
1129991212,0cyclictest28-21ksoftirqd/211:45:192
1129991211,1cyclictest28-21ksoftirqd/211:55:132
1129991211,1cyclictest28-21ksoftirqd/211:05:152
1129991211,1cyclictest28-21ksoftirqd/211:00:112
1129991211,1cyclictest28-21ksoftirqd/210:55:152
1129991211,1cyclictest28-21ksoftirqd/210:25:172
1129991211,1cyclictest28-21ksoftirqd/209:45:122
1129991211,1cyclictest28-21ksoftirqd/208:54:592
1129991211,1cyclictest28-21ksoftirqd/208:27:402
1129991211,1cyclictest28-21ksoftirqd/208:25:002
1129991211,1cyclictest28-21ksoftirqd/208:15:012
1129991211,1cyclictest28-21ksoftirqd/207:30:002
1129991211,0cyclictest28-21ksoftirqd/209:34:592
1129991210,1cyclictest28-21ksoftirqd/212:05:192
1129991210,1cyclictest28-21ksoftirqd/210:40:152
1129991210,1cyclictest28-21ksoftirqd/210:05:192
1129991210,1cyclictest28-21ksoftirqd/209:35:132
1129991210,1cyclictest28-21ksoftirqd/209:30:002
1129991210,1cyclictest28-21ksoftirqd/208:45:202
1129991210,1cyclictest28-21ksoftirqd/208:15:132
1129991210,1cyclictest28-21ksoftirqd/207:15:012
1129991210,1cyclictest28-21ksoftirqd/207:15:002
113699119,1cyclictest35-21ksoftirqd/307:49:593
113699110,3cyclictest7037-21ssh11:45:003
1129991110,1cyclictest28-21ksoftirqd/212:15:102
1129991110,1cyclictest28-21ksoftirqd/211:40:132
1129991110,1cyclictest28-21ksoftirqd/208:45:002
1129991110,1cyclictest28-21ksoftirqd/207:50:112
1129991110,1cyclictest28-21ksoftirqd/207:45:112
111999115,1cyclictest3734-21hddtemp_smartct12:25:150
111999113,1cyclictest240-21systemd-journal09:40:000
111999112,4cyclictest30550-21cat08:10:010
111999110,6cyclictest3567-21ssh09:21:400
111999110,4cyclictest561-21nscd09:32:440
111999110,4cyclictest23550-21ssh12:06:570
111999110,1cyclictest26417-21diskmemload11:10:000
111999110,0cyclictest0-21swapper/011:39:010
112999109,1cyclictest28-21ksoftirqd/208:00:112
112999109,1cyclictest28-21ksoftirqd/208:00:112
112999109,1cyclictest28-21ksoftirqd/207:20:122
111999109,1cyclictest9-21ksoftirqd/011:27:080
111999105,4cyclictest31329-21sh12:19:280
111999105,1cyclictest3035-21ssh10:05:230
111999105,1cyclictest29504-21ssh09:14:080
111999105,1cyclictest21664-21ssh10:33:010
111999102,1cyclictest0-21swapper/010:50:190
1119991010,0cyclictest0-21swapper/011:59:020
111999100,5cyclictest953-21latency_hist10:05:000
111999100,2cyclictest240-21systemd-journal11:05:010
111999100,1cyclictest7787-21ssh09:28:090
11199996,3cyclictest21671-1kworker/u9:209:49:290
11199996,2cyclictest8383-21ssh11:45:180
11199994,1cyclictest26417-21diskmemload12:14:540
11199994,1cyclictest14449-1kworker/u9:011:18:240
11199993,1cyclictest15551-21apt-get10:25:120
11199992,2cyclictest21064-21cron07:50:000
11199990,5cyclictest32563-1kworker/u9:210:58:160
11199990,4cyclictest12258-21munin-run08:40:000
11199990,2cyclictest240-21systemd-journal09:05:010
11199990,2cyclictest240-21systemd-journal07:20:000
11199990,1cyclictest240-21systemd-journal11:44:590
11199990,0cyclictest0-21swapper/011:11:200
11199990,0cyclictest0-21swapper/009:19:320
11369986,1cyclictest11301-21snmpd12:25:593
11369986,1cyclictest11301-21snmpd11:15:033
11369985,1cyclictest35-21ksoftirqd/310:30:013
11369984,2cyclictest240-21systemd-journal10:40:003
11369981,4cyclictest572-21nscd09:56:503
11369980,5cyclictest0-21swapper/312:39:033
11369980,5cyclictest0-21swapper/309:46:363
11369980,2cyclictest0-21swapper/311:46:413
11249980,5cyclictest0-21swapper/111:03:051
11199986,1cyclictest11301-21snmpd08:44:140
11199986,1cyclictest11301-21snmpd07:20:480
11199984,0cyclictest26417-21diskmemload10:18:550
11199984,0cyclictest26417-21diskmemload10:18:550
11199982,0cyclictest26417-21diskmemload10:39:300
11199980,7cyclictest18279-21ssh12:00:130
11199980,7cyclictest17096-21df07:40:130
11199980,7cyclictest14528-21tr07:35:140
11199980,5cyclictest0-21swapper/007:30:030
11199980,1cyclictest24767-21ssh11:23:300
11199980,1cyclictest240-21systemd-journal08:20:000
11199980,0cyclictest0-21swapper/009:57:250
11369976,1cyclictest35-21ksoftirqd/310:42:053
11369976,1cyclictest35-21ksoftirqd/310:17:063
11369976,1cyclictest35-21ksoftirqd/310:17:063
11369976,1cyclictest35-21ksoftirqd/309:50:153
11369976,1cyclictest35-21ksoftirqd/307:15:013
11369976,1cyclictest1817-21ntpq08:15:183
11369976,1cyclictest11301-21snmpd08:38:143
11369976,1cyclictest11301-21snmpd08:06:283
11369975,1cyclictest35-21ksoftirqd/308:40:083
11369975,1cyclictest18649-21cat12:00:143
11369975,1cyclictest11301-21snmpd08:47:593
11369972,4cyclictest11301-21snmpd11:28:403
11369972,2cyclictest26417-21diskmemload09:30:063
11369972,1cyclictest26417-21diskmemload11:13:303
11369971,4cyclictest693-21runrttasks11:32:113
11369971,3cyclictest0-21swapper/312:05:513
11369970,4cyclictest0-21swapper/312:31:273
11369970,4cyclictest0-21swapper/311:20:153
11369970,4cyclictest0-21swapper/309:42:213
11369970,3cyclictest0-21swapper/312:12:583
11369970,3cyclictest0-21swapper/309:10:113
11369970,2cyclictest35-21ksoftirqd/307:10:133
11369970,2cyclictest0-21swapper/311:35:113
11369970,1cyclictest240-21systemd-journal10:55:003
11249972,4cyclictest0-21swapper/109:15:111
11249971,3cyclictest0-21swapper/111:40:131
11249971,1cyclictest0-21swapper/109:55:141
11249970,4cyclictest0-21swapper/109:40:001
11199976,1cyclictest4704-21ssh10:10:020
11199975,1cyclictest26344-21ssh10:40:140
11199975,1cyclictest11301-21snmpd08:22:470
11199975,1cyclictest11301-21snmpd07:55:330
11199974,1cyclictest240-21systemd-journal08:35:000
11199973,1cyclictest6411-21/usr/sbin/munin12:30:140
11199971,6cyclictest2022-21ssh12:23:030
11199970,6cyclictest21600-21chrt08:59:120
11199970,6cyclictest15253-21cat08:45:130
11199970,6cyclictest12079-21ssh12:36:350
11199970,6cyclictest0-21swapper/008:25:140
11199970,1cyclictest32687-21ssh10:48:550
11199970,1cyclictest14504-21ssh10:22:370
10771270,1sleep10-21swapper/109:31:071
11369965,1cyclictest32567-21ssh10:48:313
11369965,1cyclictest31332-21ntpq10:00:183
11369965,1cyclictest20849-21ssh10:30:223
11369965,1cyclictest18442-21sshd07:41:403
11369965,1cyclictest14389-21ssh09:35:313
11369965,1cyclictest13317-21ssh11:05:363
11369965,1cyclictest11301-21snmpd08:11:553
11369965,1cyclictest11301-21snmpd08:00:043
11369965,1cyclictest11301-21snmpd08:00:033
11369965,1cyclictest11301-21snmpd07:31:333
11369964,1cyclictest25657-21sshd07:58:393
11369961,1cyclictest7768-21apt-get08:30:123
11369960,6cyclictest14211-21ssh11:55:093
11369960,4cyclictest0-21swapper/312:24:563
11369960,4cyclictest0-21swapper/312:16:183
11369960,4cyclictest0-21swapper/311:50:273
11369960,4cyclictest0-21swapper/311:50:273
11369960,4cyclictest0-21swapper/310:57:003
11369960,4cyclictest0-21swapper/310:08:353
11369960,3cyclictest26417-21diskmemload10:20:073
11369960,3cyclictest0-21swapper/310:10:173
11369960,3cyclictest0-21swapper/307:20:203
11369960,2cyclictest0-21swapper/309:25:183
11369960,2cyclictest0-21swapper/309:20:213
11369960,0cyclictest7935-21ssh11:00:103
11369960,0cyclictest0-21swapper/309:15:083
11249961,1cyclictest0-21swapper/111:55:121
11249960,6cyclictest0-21swapper/111:17:561
11249960,3cyclictest0-21swapper/111:25:051
11249960,2cyclictest0-21swapper/112:39:481
11249960,2cyclictest0-21swapper/111:14:081
11249960,2cyclictest0-21swapper/109:25:091
11249960,1cyclictest0-21swapper/109:50:171
11199961,1cyclictest26029-21/usr/sbin/munin08:00:150
11199961,1cyclictest26029-21/usr/sbin/munin08:00:150
11199960,6cyclictest0-21swapper/011:50:150
11199960,6cyclictest0-21swapper/011:50:150
11199960,6cyclictest0-21swapper/011:30:190
11199960,6cyclictest0-21swapper/009:06:050
11199960,6cyclictest0-21swapper/008:11:280
14985250,0sleep10-21swapper/110:24:091
11369955,0cyclictest6756-21kworker/3:207:35:143
11369954,1cyclictest20934-21systemctl08:55:183
11369954,1cyclictest11301-21snmpd08:27:383
11369953,1cyclictest21304-21apt-get07:50:103
11369953,1cyclictest0-21swapper/307:25:143
11369951,3cyclictest0-21swapper/308:20:153
11369950,3cyclictest0-21swapper/308:55:003
11249955,0cyclictest0-21swapper/112:04:191
11249955,0cyclictest0-21swapper/110:07:571
11249955,0cyclictest0-21swapper/109:11:461
11249955,0cyclictest0-21swapper/107:57:091
11249951,2cyclictest0-21swapper/111:05:121
11249951,2cyclictest0-21swapper/110:35:151
11249950,5cyclictest0-21swapper/108:35:101
11249950,5cyclictest0-21swapper/107:53:091
11249950,5cyclictest0-21swapper/107:44:231
11249950,4cyclictest0-21swapper/111:31:161
11249950,3cyclictest0-21swapper/112:23:211
11249950,2cyclictest0-21swapper/112:31:531
11249950,2cyclictest0-21swapper/112:08:561
11249950,2cyclictest0-21swapper/110:53:071
11249950,2cyclictest0-21swapper/109:00:181
11249950,2cyclictest0-21swapper/108:40:101
11249950,1cyclictest0-21swapper/112:29:441
11249950,1cyclictest0-21swapper/112:18:141
11249950,1cyclictest0-21swapper/111:45:201
11249950,1cyclictest0-21swapper/110:18:251
11249950,1cyclictest0-21swapper/110:18:251
11249950,1cyclictest0-21swapper/109:45:311
11249950,1cyclictest0-21swapper/109:20:131
11249950,0cyclictest0-21swapper/108:52:261
11249950,0cyclictest0-21swapper/108:27:341
11199950,5cyclictest0-21swapper/008:51:340
11199950,4cyclictest1323-21/usr/sbin/munin07:10:150
11199950,4cyclictest0-21swapper/007:25:090
11369942,1cyclictest22137-21grep09:00:123
11369941,2cyclictest24285-21apt-get09:05:093
11249944,0cyclictest0-21swapper/108:02:491
11249944,0cyclictest0-21swapper/108:02:491
11249943,1cyclictest30476-21chrt08:09:481
11249943,1cyclictest112992sleep107:28:271
11249941,2cyclictest0-21swapper/107:10:171
11249941,1cyclictest0-21swapper/111:35:111
11249940,3cyclictest0-21swapper/108:55:201
11249940,3cyclictest0-21swapper/107:15:011
11249940,2cyclictest0-21swapper/111:50:201
11249940,2cyclictest0-21swapper/111:50:201
11249940,2cyclictest0-21swapper/111:22:101
11249940,2cyclictest0-21swapper/110:45:021
11249940,2cyclictest0-21swapper/110:40:081
11249940,2cyclictest0-21swapper/110:30:031
11249940,2cyclictest0-21swapper/110:25:041
11249940,2cyclictest0-21swapper/110:10:571
11249940,2cyclictest0-21swapper/110:03:221
11249940,2cyclictest0-21swapper/109:40:141
11249940,1cyclictest0-21swapper/112:10:101
11249940,1cyclictest0-21swapper/110:55:271
11249940,1cyclictest0-21swapper/108:30:131
11249940,1cyclictest0-21swapper/108:15:221
11249940,1cyclictest0-21swapper/107:45:111
11249940,1cyclictest0-21swapper/107:35:211
11249933,0cyclictest0-21swapper/108:48:261
11249931,1cyclictest0-21swapper/108:20:151
11249931,1cyclictest0-21swapper/108:11:081
11249930,2cyclictest0-21swapper/107:20:121
11249930,1cyclictest0-21swapper/109:05:111
11249930,1cyclictest0-21swapper/107:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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