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2026-06-21 - 16:13
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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 Sun Jun 21, 2026 12:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8932207157,25sleep00-21swapper/007:08:090
10132201163,25sleep30-21swapper/307:09:413
313592199154,22sleep20-21swapper/207:05:082
7422198160,25sleep10-21swapper/107:06:121
298462990,0sleep10-21swapper/109:15:001
70662600,0sleep20-21swapper/211:39:212
172202150,0sleep20-21swapper/212:35:482
1169991413,1cyclictest35-21ksoftirqd/310:35:013
128772130,0sleep00-21swapper/009:35:100
113999130,12cyclictest0-21swapper/012:05:210
116099122,5cyclictest28-21ksoftirqd/207:30:122
1160991210,1cyclictest28-21ksoftirqd/210:25:102
1160991210,1cyclictest271rcuc/210:15:212
113999123,4cyclictest21221-21apt-get11:15:010
113999121,5cyclictest26197-21latency_hist09:10:000
116099119,1cyclictest28-21ksoftirqd/211:25:162
116099119,1cyclictest28-21ksoftirqd/210:10:182
1160991110,1cyclictest28-21ksoftirqd/212:23:292
1160991110,1cyclictest28-21ksoftirqd/212:19:062
1160991110,1cyclictest28-21ksoftirqd/212:02:322
1160991110,1cyclictest28-21ksoftirqd/211:00:132
1160991110,1cyclictest28-21ksoftirqd/209:35:152
1160991110,1cyclictest28-21ksoftirqd/209:30:142
1160991110,1cyclictest28-21ksoftirqd/209:15:162
1160991110,1cyclictest28-21ksoftirqd/208:05:202
1139991110,1cyclictest9-21ksoftirqd/012:15:010
116999100,10cyclictest0-21swapper/307:54:023
116099109,1cyclictest28-21ksoftirqd/212:05:322
116099109,1cyclictest28-21ksoftirqd/211:45:182
116099109,1cyclictest28-21ksoftirqd/211:10:362
116099109,1cyclictest28-21ksoftirqd/210:44:532
116099109,1cyclictest28-21ksoftirqd/209:50:422
116099109,1cyclictest28-21ksoftirqd/209:26:462
116099109,1cyclictest28-21ksoftirqd/209:10:142
1160991010,0cyclictest28-21ksoftirqd/210:52:592
1160991010,0cyclictest28-21ksoftirqd/210:00:162
116099100,2cyclictest240-21systemd-journal12:26:302
113999108,1cyclictest9-21ksoftirqd/010:05:000
113999100,5cyclictest31091-21perf10:00:010
11609999,0cyclictest28-21ksoftirqd/209:55:192
11609998,1cyclictest28-21ksoftirqd/211:40:492
11609998,1cyclictest28-21ksoftirqd/211:15:002
11609998,1cyclictest28-21ksoftirqd/211:05:192
11609998,1cyclictest28-21ksoftirqd/210:55:192
11609998,1cyclictest28-21ksoftirqd/210:49:522
11609998,1cyclictest28-21ksoftirqd/210:20:152
11609998,1cyclictest28-21ksoftirqd/209:45:122
11609998,1cyclictest28-21ksoftirqd/209:24:592
11609997,1cyclictest28-21ksoftirqd/212:30:122
11609997,1cyclictest28-21ksoftirqd/210:30:132
11609993,5cyclictest3487-21munin-node08:30:512
11609992,6cyclictest0-21swapper/212:10:162
11609990,9cyclictest0-21swapper/211:32:032
11609990,0cyclictest0-21swapper/211:51:392
11399999,0cyclictest9-21ksoftirqd/009:22:340
11399998,0cyclictest9-21ksoftirqd/008:00:140
11399991,4cyclictest27418-21ls09:55:000
11399991,4cyclictest19147-21cat08:55:000
11399990,5cyclictest26199-21diskmemload10:05:110
11399990,5cyclictest0-21swapper/011:55:120
11609987,1cyclictest28-21ksoftirqd/208:50:122
11609986,2cyclictest28-21ksoftirqd/210:35:182
11609986,1cyclictest61650irq/122-eno109:40:142
11609986,1cyclictest28-21ksoftirqd/211:20:022
11609986,1cyclictest28-21ksoftirqd/208:39:592
11609986,1cyclictest28-21ksoftirqd/207:45:162
11609986,1cyclictest28-21ksoftirqd/207:10:112
11609983,4cyclictest25630-21apt-get08:00:112
11609980,1cyclictest5857-21fschecks_time08:25:142
11509980,6cyclictest0-21swapper/111:15:131
11399987,1cyclictest9-21ksoftirqd/012:00:180
11399986,1cyclictest9893-21ssh10:58:570
11399986,1cyclictest9-21ksoftirqd/007:29:590
11399986,1cyclictest29400-21expr11:25:130
11399985,2cyclictest26199-21diskmemload10:16:200
11399984,3cyclictest733-21sshd10:12:220
11399983,4cyclictest1125-21cyclictest10:43:400
11399983,2cyclictest240-21systemd-journal11:07:580
11399981,1cyclictest13284-21ssh11:03:060
11399980,8cyclictest0-21swapper/008:22:360
11399980,6cyclictest0-21swapper/010:30:170
11399980,4cyclictest28821-21perf11:25:000
11399980,3cyclictest3002-21perf10:50:000
23829270,1sleep10-21swapper/109:05:001
11699977,0cyclictest0-21swapper/311:13:493
11699975,1cyclictest35-21ksoftirqd/308:55:003
11699975,1cyclictest35-21ksoftirqd/307:34:593
11699975,1cyclictest26927-21ssh10:37:123
11699975,1cyclictest26193-21ssh09:51:293
11699975,1cyclictest14209-21ssh11:05:103
11699971,2cyclictest0-21swapper/307:40:173
11699970,4cyclictest0-21swapper/312:30:123
11699970,3cyclictest0-21swapper/312:26:323
11699970,3cyclictest0-21swapper/311:15:263
11699970,3cyclictest0-21swapper/309:42:093
11699970,3cyclictest0-21swapper/309:29:153
11699970,1cyclictest24775-21ssh12:02:353
11609977,0cyclictest28-21ksoftirqd/210:05:192
11609977,0cyclictest28-21ksoftirqd/207:25:102
11609976,1cyclictest28-21ksoftirqd/211:58:552
11609976,1cyclictest21779-21cat07:50:162
11609975,1cyclictest61650irq/122-eno109:00:152
11609975,1cyclictest61650irq/122-eno108:40:122
11609975,1cyclictest61650irq/122-eno107:55:202
11609975,1cyclictest28-21ksoftirqd/207:35:142
11509971,3cyclictest19153-21chrt09:42:481
11509970,7cyclictest0-21swapper/110:09:511
11509970,5cyclictest0-21swapper/112:14:201
11509970,5cyclictest0-21swapper/110:50:391
11509970,4cyclictest0-21swapper/110:00:081
11509970,1cyclictest0-21swapper/112:38:481
11399977,0cyclictest9-21ksoftirqd/008:55:140
11399976,1cyclictest9-21ksoftirqd/009:45:000
11399975,1cyclictest9-21ksoftirqd/011:15:130
11399975,1cyclictest9-21ksoftirqd/008:20:010
11399975,1cyclictest8865-21cron07:24:590
11399975,1cyclictest25550-21cat10:35:160
11399975,1cyclictest12837-21ssh12:30:180
11399971,6cyclictest32552-21ssh09:17:200
11399971,6cyclictest28228-21ssh09:10:220
11399971,5cyclictest7122-21taskset08:27:330
11399970,6cyclictest693-21runrttasks11:50:300
11399970,6cyclictest13641-21ssh11:47:070
11399970,6cyclictest10111-21sh09:30:160
11399970,6cyclictest0-21swapper/008:35:140
11399970,6cyclictest0-21swapper/007:40:130
11399970,4cyclictest16783-21perf08:50:010
11399970,2cyclictest240-21systemd-journal12:16:000
11399970,2cyclictest0-21swapper/012:25:120
11399970,1cyclictest9976-21ssh11:42:060
11399970,1cyclictest8151-21ssh09:28:220
11399970,1cyclictest7324-21perf11:39:590
11399970,1cyclictest27986-21taskset08:05:120
11399970,1cyclictest2209-21ssh11:30:430
11399970,1cyclictest20132-21ssh10:28:380
11399970,1cyclictest19085-21ssh09:42:360
11399970,1cyclictest13707-21/usr/sbin/munin08:40:190
11399970,1cyclictest0-21swapper/012:35:150
11399970,1cyclictest0-21swapper/012:20:450
11399970,1cyclictest0-21swapper/010:22:440
20067260,0sleep10-21swapper/110:28:271
11699966,0cyclictest0-21swapper/309:22:233
11699965,1cyclictest9011-21ssh10:56:203
11699965,1cyclictest35-21ksoftirqd/308:15:003
11699965,1cyclictest32334-21ssh11:29:473
11699965,1cyclictest30810-21ssh09:59:253
11699965,1cyclictest30518-21ssh10:41:203
11699965,1cyclictest29413-21ssh12:10:053
11699965,1cyclictest29407-21ssh09:14:113
11699965,1cyclictest27378-21ssh11:20:573
11699965,1cyclictest23141-21ssh09:48:163
11699965,1cyclictest1863-21ntpq12:15:173
11699965,1cyclictest15065-21ssh09:36:333
11699965,1cyclictest12275-21ssh11:45:153
11699965,1cyclictest12120-21ssh09:33:443
11699965,1cyclictest10676-21ssh11:44:103
11699965,0cyclictest23253-21apt-get07:55:093
11699965,0cyclictest13650irq/124-ahci[0011:35:153
11699964,1cyclictest8355-21ssh10:11:233
11699964,0cyclictest26199-21diskmemload10:00:313
11699962,2cyclictest240-21systemd-journal08:17:413
11699961,4cyclictest26199-21diskmemload12:38:523
11699961,3cyclictest26199-21diskmemload11:33:183
11699961,3cyclictest24075-21/usr/sbin/munin09:05:143
11699961,2cyclictest23002-21processes09:00:203
11699961,1cyclictest6690-21ssh12:22:003
11699961,1cyclictest27983-21apt-get08:05:133
11699960,6cyclictest0-21swapper/311:56:303
11699960,5cyclictest0-21swapper/312:06:303
11699960,4cyclictest561-21nscd11:04:563
11699960,4cyclictest0-21swapper/310:46:263
11699960,4cyclictest0-21swapper/307:20:123
11699960,3cyclictest0-21swapper/311:50:203
11699960,3cyclictest0-21swapper/308:45:113
11699960,2cyclictest0-21swapper/310:20:103
11699960,2cyclictest0-21swapper/310:06:383
11609965,1cyclictest28-21ksoftirqd/207:24:592
11609965,1cyclictest28-21ksoftirqd/207:15:152
11609964,1cyclictest61650irq/122-eno108:45:112
11609964,1cyclictest28-21ksoftirqd/208:20:172
11609964,1cyclictest28-21ksoftirqd/208:10:192
11609961,2cyclictest240-21systemd-journal08:55:112
11609960,5cyclictest0-21swapper/209:05:142
11509963,3cyclictest0-21swapper/110:20:191
11509961,3cyclictest0-21swapper/111:35:011
11509961,3cyclictest0-21swapper/107:35:151
11509961,2cyclictest0-21swapper/110:10:141
11509960,6cyclictest0-21swapper/110:32:241
11509960,6cyclictest0-21swapper/108:05:211
11509960,5cyclictest0-21swapper/107:15:161
11509960,4cyclictest0-21swapper/111:27:121
11509960,3cyclictest0-21swapper/111:50:061
11509960,3cyclictest0-21swapper/111:00:181
11509960,3cyclictest0-21swapper/109:17:081
11509960,2cyclictest0-21swapper/111:35:131
11509960,1cyclictest0-21swapper/110:45:131
11509960,0cyclictest0-21swapper/112:31:351
11399965,1cyclictest9-21ksoftirqd/007:45:210
11399965,1cyclictest9-21ksoftirqd/007:35:010
11399960,5cyclictest5057-21ssh10:50:200
11399960,3cyclictest0-21swapper/007:55:090
11399960,0cyclictest0-21swapper/007:12:460
11699954,1cyclictest8688-21ntpq08:30:183
11699954,1cyclictest3997-21ntpq08:20:183
11699954,1cyclictest35-21ksoftirqd/308:28:453
11699953,1cyclictest17512-21grep10:25:113
11699952,2cyclictest11563-21sed10:15:213
11699952,1cyclictest240-21systemd-journal08:42:553
11699951,1cyclictest13911-21aten2.4-expect07:35:133
11699950,3cyclictest0-21swapper/309:15:383
11699950,1cyclictest240-21systemd-journal08:03:403
11699950,1cyclictest0-21swapper/310:50:533
11609955,0cyclictest61650irq/122-eno108:15:182
11609953,1cyclictest18224-21taskset07:44:032
11509954,1cyclictest21-21ksoftirqd/110:15:001
11509954,1cyclictest0-21swapper/108:15:121
11509953,1cyclictest14982sleep109:20:111
11509953,1cyclictest0-21swapper/109:55:091
11509951,1cyclictest0-21swapper/109:46:111
11509950,5cyclictest0-21swapper/112:05:431
11509950,5cyclictest0-21swapper/111:44:331
11509950,5cyclictest0-21swapper/108:25:141
11509950,4cyclictest0-21swapper/111:25:001
11509950,3cyclictest0-21swapper/112:23:191
11509950,3cyclictest0-21swapper/112:16:411
11509950,3cyclictest0-21swapper/112:00:151
11509950,3cyclictest0-21swapper/111:13:301
11509950,3cyclictest0-21swapper/107:50:121
11509950,2cyclictest0-21swapper/111:07:431
11509950,2cyclictest0-21swapper/110:57:401
11509950,2cyclictest0-21swapper/110:37:491
11509950,1cyclictest0-21swapper/112:27:001
11509950,1cyclictest0-21swapper/109:29:331
11509950,1cyclictest0-21swapper/109:08:371
11509950,0cyclictest0-21swapper/110:41:011
11509950,0cyclictest0-21swapper/108:44:591
11399954,1cyclictest9-21ksoftirqd/007:15:010
11399954,1cyclictest8448-21cat08:30:160
11399953,1cyclictest15489-21sed07:35:220
11399952,3cyclictest0-21swapper/008:10:180
11399950,4cyclictest21852-21aten2.4-expect09:00:140
11699944,0cyclictest2732-21sensors07:10:203
11699944,0cyclictest10510-21sensors07:25:183
11699943,1cyclictest10528-21fschecks_time08:35:153
11699942,1cyclictest20677-21sh07:50:003
11699942,1cyclictest19635-21cpuspeed_turbos08:55:123
11699940,2cyclictest3980-21munin-node07:15:003
11509943,1cyclictest86012sleep107:21:391
11509943,1cyclictest11712-21chrt08:36:001
11509943,1cyclictest0-21swapper/108:10:101
11509942,1cyclictest0-21swapper/109:36:131
11509942,1cyclictest0-21swapper/108:30:151
11509941,2cyclictest0-21swapper/111:55:111
11509941,2cyclictest0-21swapper/107:40:111
11509940,3cyclictest0-21swapper/108:55:141
11509940,3cyclictest0-21swapper/107:55:101
11509940,2cyclictest0-21swapper/108:45:111
11509940,2cyclictest0-21swapper/107:30:121
11509940,1cyclictest0-21swapper/111:45:161
11509940,1cyclictest0-21swapper/109:30:121
11509940,1cyclictest0-21swapper/108:50:171
11509940,1cyclictest0-21swapper/108:22:171
11509940,1cyclictest0-21swapper/107:10:201
11509940,0cyclictest0-21swapper/109:50:201
11509940,0cyclictest0-21swapper/107:25:111
11399940,0cyclictest0-21swapper/007:50:190
11509932,1cyclictest20329-21chrt07:45:491
11509930,3cyclictest0-21swapper/108:03:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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