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2026-05-02 - 09:45
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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 all highest latencies:
System rack1slot1.osadl.org (updated Sat May 02, 2026 00:45:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
233302223158,25sleep10-21swapper/119:06:481
235002214149,21sleep00-21swapper/019:09:020
234262214150,23sleep30-21swapper/319:08:043
233632213157,24sleep20-21swapper/219:07:152
53192720,0sleep10-21swapper/123:00:221
218252570,0sleep00-21swapper/000:05:260
275002230,0sleep10-21swapper/123:30:171
2367199140,13cyclictest0-21swapper/219:55:172
2366599140,14cyclictest0-21swapper/122:10:121
23655991413,1cyclictest9-21ksoftirqd/019:30:150
2365599123,4cyclictest6902-21sed20:50:010
23655991211,1cyclictest9-21ksoftirqd/020:10:000
23655991210,1cyclictest9-21ksoftirqd/020:05:010
2365599120,2cyclictest240-21systemd-journal22:38:540
2367199114,3cyclictest61650irq/122-eno122:50:192
2365599119,1cyclictest9-21ksoftirqd/022:45:130
2365599119,1cyclictest9-21ksoftirqd/019:15:000
23655991110,1cyclictest9-21ksoftirqd/021:55:010
2368199108,1cyclictest27291-21sh20:25:003
2366599100,9cyclictest0-21swapper/100:08:101
2365599109,1cyclictest9-21ksoftirqd/023:55:000
2365599109,1cyclictest9-21ksoftirqd/023:05:000
2365599109,1cyclictest9-21ksoftirqd/022:25:000
2365599109,1cyclictest9-21ksoftirqd/021:10:130
2365599109,1cyclictest9-21ksoftirqd/020:35:000
2365599103,3cyclictest22476-21apt-get22:00:000
2365599100,7cyclictest240-21systemd-journal22:10:000
2365599100,5cyclictest31445-21latency_hist19:25:000
2365599100,5cyclictest16518-21diskmemload21:48:040
2365599100,4cyclictest0-21swapper/019:50:110
236819997,1cyclictest16518-21diskmemload21:57:343
236819990,6cyclictest17490-21grep21:10:133
236719998,1cyclictest28-21ksoftirqd/220:50:092
236719995,2cyclictest28-21ksoftirqd/200:12:242
236719990,7cyclictest0-21swapper/223:27:592
236659995,4cyclictest203-21jbd2/sda2-822:06:131
236659990,8cyclictest0-21swapper/122:28:561
236559999,0cyclictest9-21ksoftirqd/000:15:120
236559998,1cyclictest9-21ksoftirqd/023:15:150
236819987,1cyclictest35-21ksoftirqd/319:30:003
236819987,1cyclictest30002-21apt-key20:30:013
236819985,3cyclictest769-21lldpd22:56:243
236819985,1cyclictest13650irq/124-ahci[0000:39:553
236819980,4cyclictest0-21swapper/323:40:103
236719987,1cyclictest28-21ksoftirqd/221:08:062
236719986,1cyclictest7830-21cat00:30:162
236719986,1cyclictest7830-21cat00:30:152
236719986,1cyclictest61650irq/122-eno120:45:202
236719986,1cyclictest61650irq/122-eno100:37:162
236719986,1cyclictest61650irq/122-eno100:19:592
236719984,1cyclictest240-21systemd-journal21:05:012
236719982,4cyclictest0-21swapper/220:55:112
236719982,4cyclictest0-21swapper/220:55:102
236719981,4cyclictest11761-21sh22:26:582
236719980,7cyclictest0-21swapper/200:09:152
236559988,0cyclictest9-21ksoftirqd/000:25:130
236559987,1cyclictest9-21ksoftirqd/022:55:150
236559987,1cyclictest9-21ksoftirqd/021:30:140
236559987,1cyclictest9-21ksoftirqd/021:00:130
236559987,1cyclictest9-21ksoftirqd/021:00:010
236559987,1cyclictest9-21ksoftirqd/021:00:000
236559987,1cyclictest9-21ksoftirqd/020:29:590
236559987,1cyclictest9-21ksoftirqd/019:15:010
236559987,1cyclictest9-21ksoftirqd/000:35:140
236559986,1cyclictest19825-21sh00:04:230
236559983,4cyclictest12866-21apt-get22:30:010
236559981,6cyclictest26321-21telnet23:30:120
236559981,4cyclictest24100-21/usr/sbin/munin00:10:200
12560280,0sleep10-21swapper/100:35:391
236819977,0cyclictest35-21ksoftirqd/321:49:043
236819975,1cyclictest8138-21ssh23:48:533
236819975,1cyclictest20533-21apt-get21:15:113
236819973,2cyclictest29320-21sshd20:25:563
236819973,2cyclictest240-21systemd-journal20:01:363
236819972,3cyclictest16518-21diskmemload22:50:113
236819972,3cyclictest16518-21diskmemload00:15:153
236819972,2cyclictest0-21swapper/323:51:333
236819971,3cyclictest5064-21switchtime23:00:223
236819971,3cyclictest0-21swapper/320:45:143
236819970,2cyclictest0-21swapper/322:40:193
236719976,1cyclictest61650irq/122-eno123:53:522
236719976,1cyclictest61650irq/122-eno123:20:112
236719976,1cyclictest61650irq/122-eno122:00:182
236719976,1cyclictest61650irq/122-eno121:35:102
236719976,1cyclictest61650irq/122-eno120:10:132
236719976,1cyclictest14260-21cat22:30:142
236719976,0cyclictest61650irq/122-eno123:45:122
236719976,0cyclictest61650irq/122-eno122:42:092
236719975,1cyclictest61650irq/122-eno122:10:192
236719975,1cyclictest61650irq/122-eno120:25:132
236719975,1cyclictest61650irq/122-eno119:35:142
236719975,1cyclictest28-21ksoftirqd/219:45:112
236719973,3cyclictest2125-21cron20:39:592
236719972,2cyclictest240-21systemd-journal21:29:082
236719972,2cyclictest0-21swapper/222:21:142
236719971,5cyclictest26909-21apt-get19:15:112
236719971,3cyclictest240-21systemd-journal19:55:012
236719970,5cyclictest31212-21kworker/u8:100:22:492
236719970,1cyclictest92362sleep223:05:392
236659976,1cyclictest0-21swapper/100:33:501
236659976,1cyclictest0-21swapper/100:33:491
236659970,1cyclictest0-21swapper/122:30:111
236659970,0cyclictest0-21swapper/119:15:021
236559977,0cyclictest9-21ksoftirqd/022:00:000
236559976,1cyclictest9-21ksoftirqd/023:54:590
236559976,1cyclictest9-21ksoftirqd/022:50:120
236559976,1cyclictest31428-21irqstats22:10:160
236559975,1cyclictest9-21ksoftirqd/023:45:140
236559975,1cyclictest22571-21perf20:15:000
236559973,2cyclictest240-21systemd-journal21:08:220
236559971,5cyclictest26215-21munin-node19:55:110
236559971,2cyclictest0-21swapper/019:45:120
236559970,7cyclictest26214-21kworker/0:119:40:190
236559970,6cyclictest9539-21ssh23:06:290
236559970,6cyclictest5078-21ssh21:35:160
236559970,6cyclictest28024-21ssh21:24:260
236559970,6cyclictest20530-21/usr/sbin/munin21:15:160
236559970,6cyclictest10411-21ssh21:42:510
236559970,6cyclictest0-21swapper/023:40:180
236559970,6cyclictest0-21swapper/023:10:120
236559970,6cyclictest0-21swapper/021:25:110
236559970,3cyclictest18666-21apt-get23:20:110
236559970,1cyclictest9672-21ssh00:33:020
236559970,1cyclictest9672-21ssh00:33:010
236559970,1cyclictest9314-21cat20:55:010
236559970,1cyclictest32614-21ssh23:37:460
236559970,1cyclictest32463-21cut00:20:150
236559970,1cyclictest11789-21ssh22:27:030
236819966,0cyclictest16518-21diskmemload23:08:213
236819965,1cyclictest5471-21ssh00:26:483
236819965,1cyclictest29039-21ssh23:33:173
236819965,1cyclictest28655-21ssh21:25:123
236819965,1cyclictest27444-21ssh22:48:033
236819965,1cyclictest26391-21ssh22:04:503
236819965,1cyclictest22372-21ssh00:06:003
236819965,1cyclictest2214-21ssh21:31:183
236819965,1cyclictest19014-21ssh22:35:363
236819965,1cyclictest16518-21diskmemload22:10:143
236819965,1cyclictest15215-21ssh23:57:073
236819965,1cyclictest1300-21ssh00:20:403
236819965,1cyclictest12925-21ssh23:10:263
236819964,1cyclictest8271-21ssh22:22:453
236819964,1cyclictest5078-21ssh21:35:163
236819964,1cyclictest24532-21ssh23:26:133
236819964,1cyclictest19583-21cat23:20:163
236819964,1cyclictest17874-21ssh23:18:423
236819964,1cyclictest11699-21ssh22:26:483
236819963,1cyclictest240-21systemd-journal19:52:353
236819963,1cyclictest240-21systemd-journal19:35:003
236819962,2cyclictest240-21systemd-journal20:51:073
236819962,1cyclictest3132-21ps22:15:173
236819962,1cyclictest0-21swapper/300:12:023
236819961,4cyclictest26743-21apt-get22:05:113
236819960,4cyclictest0-21swapper/323:36:263
236819960,2cyclictest0-21swapper/321:21:543
236819960,1cyclictest0-21swapper/321:50:113
236819960,1cyclictest0-21swapper/319:15:003
236819960,1cyclictest0-21swapper/300:30:213
236819960,1cyclictest0-21swapper/300:30:213
236719966,0cyclictest61650irq/122-eno123:15:172
236719966,0cyclictest61650irq/122-eno123:00:542
236719966,0cyclictest61650irq/122-eno122:55:092
236719966,0cyclictest61650irq/122-eno121:55:102
236719966,0cyclictest61650irq/122-eno121:50:112
236719966,0cyclictest61650irq/122-eno121:20:112
236719966,0cyclictest61650irq/122-eno121:15:202
236719966,0cyclictest61650irq/122-eno121:10:342
236719966,0cyclictest61650irq/122-eno120:21:592
236719966,0cyclictest61650irq/122-eno100:25:272
236719966,0cyclictest61650irq/122-eno100:00:102
236719965,1cyclictest61650irq/122-eno123:55:112
236719965,1cyclictest61650irq/122-eno122:06:502
236719965,1cyclictest61650irq/122-eno121:40:132
236719965,1cyclictest1278-21ssh23:40:102
236719965,1cyclictest1265-21ntpq21:30:172
236719964,1cyclictest61650irq/122-eno123:10:152
236719964,1cyclictest61650irq/122-eno120:40:142
236719964,1cyclictest61650irq/122-eno120:15:132
236719964,1cyclictest16518-21diskmemload22:15:132
236719963,1cyclictest0-21swapper/222:45:172
236719962,1cyclictest240-21systemd-journal22:35:242
236719960,6cyclictest0-21swapper/219:20:202
236719960,5cyclictest0-21swapper/223:35:102
236719960,4cyclictest6294-21apt-get19:40:102
236719960,4cyclictest16518-21diskmemload21:45:112
236719960,3cyclictest26191-21apt-get23:30:112
236719960,3cyclictest240-21systemd-journal20:10:002
236719960,1cyclictest0-21swapper/220:30:162
236659964,1cyclictest8468-21chrt23:49:481
236659964,0cyclictest0-21swapper/121:54:421
236659960,6cyclictest0-21swapper/122:46:371
236659960,6cyclictest0-21swapper/121:37:091
236659960,6cyclictest0-21swapper/121:20:551
236659960,6cyclictest0-21swapper/119:51:541
236659960,6cyclictest0-21swapper/100:00:001
236659960,5cyclictest0-21swapper/100:10:151
236659960,2cyclictest0-21swapper/122:19:551
236659960,2cyclictest0-21swapper/119:25:111
236659960,1cyclictest0-21swapper/123:40:161
236559965,1cyclictest500-1kworker/u9:122:15:330
236559962,2cyclictest240-21systemd-journal22:40:010
236559962,1cyclictest5062-21/usr/sbin/munin19:35:170
236559961,3cyclictest16518-21diskmemload23:25:030
236559960,6cyclictest0-21swapper/020:15:170
236559960,6cyclictest0-21swapper/019:25:160
236559960,0cyclictest0-21swapper/020:43:320
236559960,0cyclictest0-21swapper/020:35:130
236819954,1cyclictest7673-21ssh21:40:033
236819953,1cyclictest22565-21apt20:14:593
236819952,1cyclictest35-21ksoftirqd/320:17:223
236819952,1cyclictest240-21systemd-journal19:44:503
236819952,1cyclictest240-21systemd-journal19:20:513
236819950,2cyclictest1702-21/usr/sbin/munin19:30:123
236819950,2cyclictest0-21swapper/322:30:113
236819950,2cyclictest0-21swapper/300:00:103
236819950,1cyclictest240-21systemd-journal20:05:213
236819950,1cyclictest0-21swapper/321:00:173
236719955,0cyclictest61650irq/122-eno119:25:122
236719953,1cyclictest0-21swapper/219:30:092
236719950,5cyclictest0-21swapper/219:10:012
236659955,0cyclictest0-21swapper/123:39:041
236659955,0cyclictest0-21swapper/122:41:111
236659955,0cyclictest0-21swapper/122:04:131
236659955,0cyclictest0-21swapper/121:31:051
236659951,3cyclictest0-21swapper/121:40:101
236659951,3cyclictest0-21swapper/121:19:061
236659951,2cyclictest0-21swapper/120:50:151
236659950,5cyclictest0-21swapper/123:24:381
236659950,5cyclictest0-21swapper/122:51:011
236659950,5cyclictest0-21swapper/122:35:471
236659950,5cyclictest0-21swapper/121:56:521
236659950,5cyclictest0-21swapper/120:59:061
236659950,5cyclictest0-21swapper/120:59:051
236659950,5cyclictest0-21swapper/120:12:201
236659950,5cyclictest0-21swapper/100:25:141
236659950,3cyclictest0-21swapper/123:25:191
236659950,3cyclictest0-21swapper/119:20:101
236659950,3cyclictest0-21swapper/100:20:111
236659950,1cyclictest0-21swapper/121:25:121
236659950,0cyclictest0-21swapper/123:15:591
236659950,0cyclictest0-21swapper/123:08:001
236559952,1cyclictest240-21systemd-journal20:22:210
236819943,1cyclictest311-21cat20:35:123
236819942,1cyclictest2431-21cut20:40:123
236819942,1cyclictest23862-21/usr/sbin/munin19:10:113
236819942,0cyclictest13356-21apt-get19:55:103
236819941,1cyclictest15242-21if_eno121:05:153
236819940,2cyclictest0-21swapper/319:45:123
236819940,1cyclictest9867-21tr20:55:133
236819940,1cyclictest9867-21tr20:55:123
236719944,0cyclictest61650irq/122-eno120:00:142
236659944,0cyclictest0-21swapper/120:41:041
236659944,0cyclictest0-21swapper/120:22:171
236659941,1cyclictest0-21swapper/120:30:101
236659940,4cyclictest0-21swapper/120:25:291
236659940,4cyclictest0-21swapper/119:40:411
236659940,3cyclictest11429-21taskset21:45:041
236659940,3cyclictest0-21swapper/120:40:011
236659940,2cyclictest0-21swapper/123:50:101
236659940,2cyclictest0-21swapper/123:10:151
236659940,2cyclictest0-21swapper/122:55:201
236659940,2cyclictest0-21swapper/119:10:121
236659940,2cyclictest0-21swapper/100:15:141
236659940,2cyclictest0-21swapper/100:00:131
236659940,1cyclictest0-21swapper/122:24:591
236659940,1cyclictest0-21swapper/121:10:121
236659940,1cyclictest0-21swapper/121:05:121
236659940,1cyclictest0-21swapper/120:15:111
236659940,0cyclictest0-21swapper/121:01:351
236659931,1cyclictest0-21swapper/119:35:091
236659930,2cyclictest0-21swapper/120:05:121
236659930,2cyclictest0-21swapper/120:00:191
236659930,2cyclictest0-21swapper/119:55:001
236659930,1cyclictest0-21swapper/120:45:111
236659930,1cyclictest0-21swapper/119:30:101
236659930,0cyclictest0-21swapper/119:45:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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