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2026-04-30 - 17:26
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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 Apr 30, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
42502215151,50sleep00-21swapper/019:09:470
41262214153,20sleep30-21swapper/319:08:083
40772204152,40sleep10-21swapper/119:07:291
39712200161,26sleep20-21swapper/219:06:062
215062590,0sleep10-21swapper/123:28:191
88952130,0sleep00-21swapper/021:24:020
4347991311,1cyclictest28-21ksoftirqd/221:35:152
434699130,12cyclictest0-21swapper/122:00:181
4347991210,1cyclictest28-21ksoftirqd/219:19:592
434599126,5cyclictest9-21ksoftirqd/000:27:430
434599123,4cyclictest24955-21grep21:45:010
4345991211,1cyclictest9-21ksoftirqd/021:50:000
434899119,1cyclictest35-21ksoftirqd/320:40:123
434899110,9cyclictest0-21swapper/322:20:123
434899110,6cyclictest0-21swapper/321:00:113
434799119,1cyclictest28-21ksoftirqd/222:19:032
4347991111,0cyclictest28-21ksoftirqd/222:03:202
4347991111,0cyclictest28-21ksoftirqd/221:43:102
4347991111,0cyclictest28-21ksoftirqd/200:17:372
4347991110,1cyclictest28-21ksoftirqd/223:50:192
4347991110,1cyclictest28-21ksoftirqd/222:11:332
434599119,1cyclictest9-21ksoftirqd/019:40:000
4345991111,0cyclictest9-21ksoftirqd/020:10:130
4345991110,1cyclictest9-21ksoftirqd/023:45:010
434899109,1cyclictest35-21ksoftirqd/320:00:003
434799109,1cyclictest28-21ksoftirqd/221:45:112
434799109,1cyclictest28-21ksoftirqd/221:30:152
434799109,1cyclictest28-21ksoftirqd/221:25:162
434799109,1cyclictest28-21ksoftirqd/221:16:332
434799109,1cyclictest28-21ksoftirqd/220:40:202
434799109,1cyclictest28-21ksoftirqd/219:10:172
434799109,1cyclictest28-21ksoftirqd/200:20:192
434799109,1cyclictest28-21ksoftirqd/200:00:152
434799108,1cyclictest28-21ksoftirqd/223:50:002
434599109,1cyclictest9-21ksoftirqd/023:35:000
434599109,1cyclictest9-21ksoftirqd/023:10:150
434599109,1cyclictest9-21ksoftirqd/022:40:130
434599109,1cyclictest9-21ksoftirqd/021:30:150
434599109,1cyclictest9-21ksoftirqd/021:25:160
434599109,1cyclictest9-21ksoftirqd/021:14:590
434599109,1cyclictest9-21ksoftirqd/021:05:010
434599109,1cyclictest9-21ksoftirqd/020:50:150
434599109,1cyclictest9-21ksoftirqd/020:40:210
434599108,1cyclictest9-21ksoftirqd/022:55:000
434599108,1cyclictest9-21ksoftirqd/022:30:130
434599108,1cyclictest9-21ksoftirqd/022:30:130
434599108,1cyclictest9-21ksoftirqd/000:20:200
434599107,1cyclictest9-21ksoftirqd/023:25:000
4345991010,0cyclictest9-21ksoftirqd/020:05:190
182532100,0sleep10-21swapper/100:18:051
43489992,4cyclictest24525-21apt-get19:50:113
43489992,4cyclictest24525-21apt-get19:50:103
43489990,7cyclictest6910-21munin-node20:13:223
43479999,0cyclictest28-21ksoftirqd/220:50:152
43479998,1cyclictest28-21ksoftirqd/222:30:142
43479998,1cyclictest28-21ksoftirqd/222:30:132
43479998,1cyclictest28-21ksoftirqd/222:20:192
43479998,1cyclictest28-21ksoftirqd/220:25:012
43479998,0cyclictest28-21ksoftirqd/221:10:182
43479997,1cyclictest28-21ksoftirqd/221:20:162
43479997,1cyclictest28-21ksoftirqd/219:30:002
43479997,1cyclictest28-21ksoftirqd/200:34:592
43479992,3cyclictest31579-21sh22:50:092
43459998,1cyclictest9-21ksoftirqd/023:40:110
43459998,1cyclictest9-21ksoftirqd/020:25:150
43459998,1cyclictest9-21ksoftirqd/020:20:130
43459998,1cyclictest9-21ksoftirqd/000:30:130
43459998,1cyclictest9-21ksoftirqd/000:10:100
43459998,1cyclictest9-21ksoftirqd/000:00:120
43459998,0cyclictest0-21swapper/022:13:180
43459997,1cyclictest9-21ksoftirqd/023:55:000
43459997,1cyclictest9-21ksoftirqd/019:30:000
43489984,3cyclictest29827-21diskmemload22:16:193
43489981,6cyclictest6007-21cstates21:20:123
43489981,6cyclictest29827-21diskmemload00:11:023
43489981,3cyclictest0-21swapper/300:27:533
43489980,5cyclictest0-21swapper/319:20:103
43479988,0cyclictest28-21ksoftirqd/220:15:182
43479987,1cyclictest28-21ksoftirqd/223:30:122
43479987,1cyclictest28-21ksoftirqd/223:04:272
43479986,1cyclictest3477-21sh22:56:452
43479986,1cyclictest28-21ksoftirqd/223:44:592
43479986,1cyclictest28-21ksoftirqd/220:35:202
43479980,8cyclictest0-21swapper/200:25:482
43479980,6cyclictest23159-21kworker/u8:200:11:062
43479980,4cyclictest0-21swapper/219:50:102
43479980,4cyclictest0-21swapper/219:50:102
43459988,0cyclictest9-21ksoftirqd/022:20:150
43459988,0cyclictest9-21ksoftirqd/022:00:140
43459988,0cyclictest9-21ksoftirqd/021:57:330
43459988,0cyclictest9-21ksoftirqd/019:25:010
43459987,1cyclictest9-21ksoftirqd/023:00:130
43459987,1cyclictest9-21ksoftirqd/019:50:120
43459987,1cyclictest9-21ksoftirqd/019:50:120
43459987,1cyclictest9-21ksoftirqd/019:30:110
43459987,0cyclictest29040-21ssh00:35:420
43459986,1cyclictest6054-21sendmail-msp20:19:590
43459984,3cyclictest9-21ksoftirqd/021:35:170
43459984,2cyclictest240-21systemd-journal21:55:000
43459980,4cyclictest5402-21perf21:20:000
43489976,1cyclictest29827-21diskmemload23:22:203
43489976,1cyclictest2825-21ntpq23:50:173
43489976,1cyclictest24434-21ssh21:43:413
43489975,1cyclictest6306-21ssh22:05:073
43489975,1cyclictest35-21ksoftirqd/319:30:113
43489975,1cyclictest28580-21cat21:05:183
43489975,1cyclictest10538-21ssh00:03:203
43489974,1cyclictest29827-21diskmemload23:32:183
43489972,2cyclictest29827-21diskmemload21:19:133
43489971,3cyclictest29827-21diskmemload23:49:203
43489971,3cyclictest29827-21diskmemload23:19:563
43489971,3cyclictest0-21swapper/322:25:143
43489971,2cyclictest29827-21diskmemload21:33:433
43489970,4cyclictest3891-21apt-get20:15:103
43489970,3cyclictest0-21swapper/323:09:073
43489970,3cyclictest0-21swapper/322:11:373
43489970,3cyclictest0-21swapper/319:40:123
43489970,2cyclictest25791-21/usr/sbin/munin22:40:183
43479977,0cyclictest28-21ksoftirqd/223:28:242
43479977,0cyclictest28-21ksoftirqd/223:10:212
43479976,1cyclictest6916-21kworker/2:123:57:562
43479976,1cyclictest6916-21kworker/2:119:24:482
43479976,1cyclictest28-21ksoftirqd/223:40:002
43479976,1cyclictest28-21ksoftirqd/223:17:092
43479976,1cyclictest28-21ksoftirqd/223:07:532
43479976,1cyclictest28-21ksoftirqd/222:40:102
43479976,1cyclictest28-21ksoftirqd/222:35:562
43479976,1cyclictest28-21ksoftirqd/221:58:552
43479976,1cyclictest28-21ksoftirqd/221:50:122
43479976,1cyclictest28-21ksoftirqd/220:14:592
43479976,1cyclictest28-21ksoftirqd/220:00:162
43479976,1cyclictest28-21ksoftirqd/200:35:382
43479976,1cyclictest28-21ksoftirqd/200:06:202
43479975,1cyclictest28-21ksoftirqd/221:05:162
43479975,1cyclictest28-21ksoftirqd/220:25:192
43479975,1cyclictest28-21ksoftirqd/219:40:192
43469971,3cyclictest0-21swapper/123:10:111
43469970,0cyclictest0-21swapper/120:50:531
43459977,0cyclictest9-21ksoftirqd/022:35:100
43459977,0cyclictest9-21ksoftirqd/019:45:120
43459976,1cyclictest9-21ksoftirqd/023:40:010
43459976,1cyclictest9-21ksoftirqd/021:05:220
43459976,1cyclictest9-21ksoftirqd/020:45:170
43459976,1cyclictest9-21ksoftirqd/020:35:190
43459976,1cyclictest9-21ksoftirqd/020:00:160
43459976,1cyclictest9-21ksoftirqd/019:55:110
43459976,1cyclictest9-21ksoftirqd/019:40:130
43459976,1cyclictest9-21ksoftirqd/019:15:010
43459976,1cyclictest9-21ksoftirqd/000:16:540
43459976,1cyclictest4269-1kworker/u9:023:08:320
43459976,1cyclictest14059-1kworker/u9:023:17:510
43459975,1cyclictest9-21ksoftirqd/023:00:010
43459975,1cyclictest9-21ksoftirqd/019:10:120
43459974,1cyclictest9-21ksoftirqd/022:30:000
43489965,1cyclictest9538-21apt-config21:25:023
43489965,1cyclictest708-21ssh21:55:463
43489965,1cyclictest6333-21ssh23:57:103
43489965,1cyclictest4945-21ssh23:00:063
43489965,1cyclictest31073-21ssh21:50:413
43489965,1cyclictest30610-21ssh23:41:523
43489965,1cyclictest29827-21diskmemload00:16:243
43489965,1cyclictest29691-21ssh22:45:313
43489965,1cyclictest29434-21ssh00:36:483
43489965,1cyclictest27272-21ssh23:38:083
43489965,1cyclictest23819-21ssh22:35:233
43489965,1cyclictest21657-21ssh00:21:593
43489965,1cyclictest19178-21ssh21:35:203
43489963,1cyclictest32317-21tune2fs20:05:153
43489963,1cyclictest29827-21diskmemload23:28:333
43489963,1cyclictest240-21systemd-journal22:50:003
43489962,2cyclictest29827-21diskmemload00:31:343
43489962,1cyclictest29827-21diskmemload22:00:243
43489961,3cyclictest29827-21diskmemload23:10:093
43489961,3cyclictest29827-21diskmemload00:05:333
43489961,2cyclictest29827-21diskmemload21:45:343
43489961,2cyclictest29827-21diskmemload21:10:053
43489961,1cyclictest22172-21/usr/sbin/munin19:45:173
43489960,4cyclictest0-21swapper/322:30:373
43489960,4cyclictest0-21swapper/322:30:373
43489960,3cyclictest29827-21diskmemload22:57:023
43479966,0cyclictest61650irq/122-eno123:20:132
43479966,0cyclictest61650irq/122-eno122:45:352
43479966,0cyclictest61650irq/122-eno122:25:222
43479966,0cyclictest61650irq/122-eno122:05:102
43479966,0cyclictest61650irq/122-eno120:45:332
43479965,1cyclictest28-21ksoftirqd/221:00:192
43479965,1cyclictest28-21ksoftirqd/219:55:142
43479965,1cyclictest28-21ksoftirqd/219:45:102
43479965,1cyclictest28-21ksoftirqd/219:30:002
43479965,0cyclictest61650irq/122-eno119:35:162
43479964,1cyclictest28-21ksoftirqd/220:55:132
43479964,1cyclictest28-21ksoftirqd/220:05:172
43469963,3cyclictest0-21swapper/121:23:181
43469960,6cyclictest0-21swapper/100:00:141
43469960,5cyclictest0-21swapper/122:20:001
43469960,4cyclictest0-21swapper/121:10:171
43469960,3cyclictest0-21swapper/122:07:471
43469960,0cyclictest0-21swapper/122:57:081
43469960,0cyclictest0-21swapper/122:27:221
43459966,0cyclictest9-21ksoftirqd/022:45:270
43459965,1cyclictest9-21ksoftirqd/023:55:000
43459965,1cyclictest6993-1kworker/u9:022:09:570
43459965,1cyclictest5908-1kworker/u9:000:06:070
43459964,1cyclictest0-21swapper/022:19:560
43459960,5cyclictest22820-21aten_r1power_en20:55:120
43459960,3cyclictest0-21swapper/023:25:230
43489954,1cyclictest19234-21ntpq20:45:183
43489953,1cyclictest9301-21cut20:25:143
43489953,1cyclictest559-21cron19:35:003
43489953,1cyclictest20729-21expr20:50:133
43489953,1cyclictest14837-21readlink19:30:013
43489952,1cyclictest583-21in:imuxsock20:37:153
43489952,1cyclictest240-21systemd-journal20:23:593
43489951,3cyclictest30599-21which20:00:193
43489950,4cyclictest22930-21aten2.4-expect20:55:133
43489950,1cyclictest0-21swapper/320:30:133
43489950,0cyclictest0-21swapper/319:10:193
43479955,0cyclictest61650irq/122-eno120:30:102
43469955,0cyclictest0-21swapper/123:38:221
43469955,0cyclictest0-21swapper/123:20:361
43469955,0cyclictest0-21swapper/123:02:251
43469955,0cyclictest0-21swapper/119:37:461
43469954,1cyclictest0-21swapper/122:40:141
43469954,1cyclictest0-21swapper/120:10:001
43469952,1cyclictest115022sleep100:05:241
43469950,5cyclictest0-21swapper/123:19:571
43469950,5cyclictest0-21swapper/122:20:101
43469950,5cyclictest0-21swapper/120:28:021
43469950,5cyclictest0-21swapper/120:21:041
43469950,4cyclictest0-21swapper/123:55:011
43469950,4cyclictest0-21swapper/121:27:071
43469950,3cyclictest0-21swapper/123:30:111
43469950,3cyclictest0-21swapper/122:35:171
43469950,3cyclictest0-21swapper/121:55:311
43469950,3cyclictest0-21swapper/121:18:211
43469950,3cyclictest0-21swapper/120:40:121
43469950,3cyclictest0-21swapper/100:11:271
43469950,2cyclictest0-21swapper/122:49:211
43469950,2cyclictest0-21swapper/121:45:231
43469950,2cyclictest0-21swapper/121:39:531
43469950,2cyclictest0-21swapper/100:36:101
43469950,1cyclictest0-21swapper/123:46:051
43469950,1cyclictest0-21swapper/122:35:011
43469950,1cyclictest0-21swapper/122:35:001
43469950,1cyclictest0-21swapper/121:50:011
43469950,1cyclictest0-21swapper/121:40:121
43469950,1cyclictest0-21swapper/121:33:451
43469950,0cyclictest0-21swapper/120:33:201
43459954,1cyclictest9-21ksoftirqd/020:30:150
43489941,3cyclictest0-21swapper/319:15:113
43469944,0cyclictest0-21swapper/120:14:451
43469943,1cyclictest9856-21chrt23:08:161
43469943,1cyclictest217602sleep119:42:541
43469941,2cyclictest0-21swapper/122:50:191
43469941,1cyclictest0-21swapper/119:30:191
43469940,4cyclictest0-21swapper/119:55:011
43469940,4cyclictest0-21swapper/119:55:001
43469940,3cyclictest0-21swapper/123:59:171
43469940,2cyclictest0-21swapper/100:20:081
43469940,1cyclictest0-21swapper/123:40:031
43469940,1cyclictest0-21swapper/121:00:001
43469940,1cyclictest0-21swapper/119:19:571
43469940,1cyclictest0-21swapper/100:30:111
43469940,1cyclictest0-21swapper/100:27:411
43469940,0cyclictest0-21swapper/122:11:401
43469940,0cyclictest0-21swapper/121:05:211
43469940,0cyclictest0-21swapper/120:36:171
43469931,1cyclictest0-21swapper/119:25:111
43469931,0cyclictest0-21swapper/121:00:121
43469930,3cyclictest0-21swapper/120:00:191
43469930,2cyclictest0-21swapper/119:45:111
43469930,1cyclictest0-21swapper/120:45:141
43469930,1cyclictest0-21swapper/119:55:151
43469930,0cyclictest0-21swapper/120:15:141
43469930,0cyclictest0-21swapper/119:20:111
43469930,0cyclictest0-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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