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2026-05-16 - 13:20
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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 16, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
144302226149,22sleep30-21swapper/319:08:563
144102218143,21sleep00-21swapper/019:08:410
123982203165,24sleep20-21swapper/219:05:052
144632198160,25sleep10-21swapper/119:09:221
38962740,2sleep335-21ksoftirqd/300:40:013
274882610,0sleep30-21swapper/300:26:143
14592991919,0cyclictest9-21ksoftirqd/021:20:160
14592991716,1cyclictest9-21ksoftirqd/021:13:010
14592991716,1cyclictest9-21ksoftirqd/000:25:120
14592991716,1cyclictest9-21ksoftirqd/000:06:120
14600991612,4cyclictest21-21ksoftirqd/120:40:111
14592991616,0cyclictest9-21ksoftirqd/023:20:110
14592991616,0cyclictest9-21ksoftirqd/022:57:360
14592991616,0cyclictest9-21ksoftirqd/022:29:490
14592991615,1cyclictest9-21ksoftirqd/021:05:180
14592991615,1cyclictest9-21ksoftirqd/020:25:010
14606991515,0cyclictest28-21ksoftirqd/222:37:482
14592991515,0cyclictest9-21ksoftirqd/023:19:550
14592991515,0cyclictest9-21ksoftirqd/000:30:090
14592991514,1cyclictest9-21ksoftirqd/022:24:070
14592991514,1cyclictest9-21ksoftirqd/020:20:110
1461799140,0cyclictest0-21swapper/320:03:293
14600991410,4cyclictest21-21ksoftirqd/121:13:471
1459299149,5cyclictest9-21ksoftirqd/023:55:120
1459299147,6cyclictest9-21ksoftirqd/022:30:150
14592991414,0cyclictest9-21ksoftirqd/023:50:280
14592991414,0cyclictest9-21ksoftirqd/023:35:090
14592991414,0cyclictest9-21ksoftirqd/023:32:240
14592991413,1cyclictest9-21ksoftirqd/021:46:510
14592991413,1cyclictest9-21ksoftirqd/000:37:020
14592991412,1cyclictest9-21ksoftirqd/022:00:100
250202130,0sleep10-21swapper/119:30:001
1460099130,0cyclictest0-21swapper/121:24:581
1459299137,5cyclictest9-21ksoftirqd/021:33:570
14592991313,0cyclictest9-21ksoftirqd/023:40:190
14592991313,0cyclictest9-21ksoftirqd/023:13:340
14592991313,0cyclictest9-21ksoftirqd/022:43:020
14592991313,0cyclictest9-21ksoftirqd/022:09:440
14592991313,0cyclictest9-21ksoftirqd/019:25:160
14592991313,0cyclictest9-21ksoftirqd/000:19:350
14592991312,1cyclictest9-21ksoftirqd/022:50:000
14592991312,1cyclictest9-21ksoftirqd/021:50:130
14592991312,1cyclictest9-21ksoftirqd/021:15:250
14592991312,1cyclictest9-21ksoftirqd/000:13:050
14592991311,1cyclictest9-21ksoftirqd/022:35:190
14592991311,1cyclictest9-21ksoftirqd/021:40:000
14592991311,1cyclictest9-21ksoftirqd/020:30:120
14617991210,1cyclictest35-21ksoftirqd/321:55:003
1460699129,1cyclictest28-21ksoftirqd/219:50:002
14606991210,1cyclictest28-21ksoftirqd/200:15:142
1460099128,4cyclictest56-21kworker/1:100:01:431
14592991212,0cyclictest9-21ksoftirqd/020:40:110
14592991212,0cyclictest9-21ksoftirqd/020:10:100
14592991212,0cyclictest9-21ksoftirqd/000:05:000
14592991211,1cyclictest9-21ksoftirqd/023:25:110
14592991211,1cyclictest9-21ksoftirqd/022:10:100
14592991211,1cyclictest9-21ksoftirqd/021:55:170
14592991211,1cyclictest9-21ksoftirqd/019:20:010
14592991211,0cyclictest9-21ksoftirqd/023:00:010
14592991211,0cyclictest9-21ksoftirqd/000:20:110
14592991210,1cyclictest9-21ksoftirqd/023:45:140
14592991210,1cyclictest9-21ksoftirqd/022:15:180
14592991210,1cyclictest9-21ksoftirqd/021:45:000
14592991210,1cyclictest9-21ksoftirqd/019:10:110
14617991111,0cyclictest35-21ksoftirqd/323:00:003
14617991110,1cyclictest35-21ksoftirqd/323:35:123
14617991110,1cyclictest35-21ksoftirqd/321:35:003
1460699119,1cyclictest28-21ksoftirqd/221:30:182
14606991111,0cyclictest28-21ksoftirqd/200:12:502
14606991110,1cyclictest28-21ksoftirqd/221:44:462
1459299119,1cyclictest9-21ksoftirqd/022:50:100
1459299119,1cyclictest9-21ksoftirqd/021:25:130
1459299119,1cyclictest9-21ksoftirqd/021:00:170
1459299119,1cyclictest9-21ksoftirqd/020:55:160
1459299119,1cyclictest9-21ksoftirqd/020:39:590
1459299119,1cyclictest9-21ksoftirqd/020:15:140
1459299119,1cyclictest9-21ksoftirqd/019:45:000
1459299119,1cyclictest9-21ksoftirqd/019:45:000
1459299119,1cyclictest9-21ksoftirqd/019:35:110
1459299119,1cyclictest9-21ksoftirqd/019:30:170
1459299119,1cyclictest9-21ksoftirqd/019:20:010
14592991111,0cyclictest9-21ksoftirqd/020:45:140
14592991110,1cyclictest9-21ksoftirqd/023:05:100
14592991110,1cyclictest9-21ksoftirqd/020:10:000
14592991110,1cyclictest9-21ksoftirqd/019:55:010
1461799108,1cyclictest35-21ksoftirqd/320:25:013
14617991010,0cyclictest35-21ksoftirqd/321:45:003
1460699109,1cyclictest28-21ksoftirqd/219:30:002
1460699109,1cyclictest28-21ksoftirqd/200:35:212
1460699108,1cyclictest28-21ksoftirqd/219:10:152
14606991010,0cyclictest28-21ksoftirqd/222:56:262
1460099106,4cyclictest21-21ksoftirqd/121:02:351
1460099106,4cyclictest21-21ksoftirqd/120:51:231
1460099100,0cyclictest0-21swapper/121:36:101
1460099100,0cyclictest0-21swapper/100:12:551
1459299109,1cyclictest9-21ksoftirqd/020:50:120
1459299109,1cyclictest9-21ksoftirqd/020:00:140
1459299109,1cyclictest9-21ksoftirqd/019:50:130
7875290,0sleep10-21swapper/123:17:011
146179998,1cyclictest35-21ksoftirqd/323:15:133
146179998,0cyclictest35-21ksoftirqd/323:30:163
146179993,5cyclictest28355-21latency_hist22:20:003
146069999,0cyclictest28-21ksoftirqd/222:45:002
146069998,1cyclictest28-21ksoftirqd/223:45:112
146069998,1cyclictest28-21ksoftirqd/223:15:102
146069998,1cyclictest28-21ksoftirqd/223:00:012
146069998,1cyclictest28-21ksoftirqd/222:20:202
146069998,1cyclictest28-21ksoftirqd/222:10:152
146069998,1cyclictest28-21ksoftirqd/221:10:172
146069998,1cyclictest28-21ksoftirqd/220:20:192
146069998,1cyclictest28-21ksoftirqd/200:25:202
146069997,1cyclictest28-21ksoftirqd/223:55:132
146069997,1cyclictest28-21ksoftirqd/220:50:002
146069997,1cyclictest28-21ksoftirqd/200:35:002
146069997,1cyclictest0-21swapper/220:40:002
146069996,2cyclictest2338-21tune2fs23:10:122
146009998,1cyclictest21-21ksoftirqd/122:40:201
146009998,1cyclictest21-21ksoftirqd/119:55:131
146009990,8cyclictest111rcu_preempt22:00:291
6540280,2sleep30-21swapper/322:33:213
146179988,0cyclictest35-21ksoftirqd/323:40:123
146179988,0cyclictest35-21ksoftirqd/323:05:133
146179988,0cyclictest35-21ksoftirqd/321:00:133
146179986,1cyclictest35-21ksoftirqd/323:25:143
146069988,0cyclictest28-21ksoftirqd/223:40:152
146069988,0cyclictest28-21ksoftirqd/223:23:442
146069988,0cyclictest28-21ksoftirqd/222:51:132
146069988,0cyclictest28-21ksoftirqd/222:09:012
146069988,0cyclictest28-21ksoftirqd/221:25:172
146069988,0cyclictest28-21ksoftirqd/221:20:172
146069987,1cyclictest28-21ksoftirqd/223:55:002
146069987,1cyclictest28-21ksoftirqd/223:40:002
146069987,1cyclictest28-21ksoftirqd/223:05:352
146069987,1cyclictest28-21ksoftirqd/222:45:292
146069987,1cyclictest28-21ksoftirqd/222:28:132
146069987,1cyclictest28-21ksoftirqd/221:35:132
146069987,1cyclictest28-21ksoftirqd/220:40:112
146069987,1cyclictest28-21ksoftirqd/220:20:012
146069987,1cyclictest28-21ksoftirqd/219:35:002
146069987,1cyclictest28-21ksoftirqd/200:05:152
146069986,1cyclictest61650irq/122-eno122:00:092
146069986,1cyclictest61650irq/122-eno120:05:132
146069986,1cyclictest28-21ksoftirqd/221:51:252
146069986,1cyclictest28-21ksoftirqd/221:05:002
146069986,1cyclictest28-21ksoftirqd/219:15:012
146069982,5cyclictest29869-21kworker/2:122:30:132
146069982,4cyclictest7841-21diskmemload21:45:112
146069980,8cyclictest29869-21kworker/2:121:55:582
146069980,8cyclictest0-21swapper/222:16:092
146009988,0cyclictest21-21ksoftirqd/123:34:301
146009988,0cyclictest21-21ksoftirqd/122:55:321
146009988,0cyclictest21-21ksoftirqd/122:38:581
146009988,0cyclictest21-21ksoftirqd/121:55:441
146009988,0cyclictest21-21ksoftirqd/121:52:261
146009988,0cyclictest21-21ksoftirqd/121:16:401
146009988,0cyclictest21-21ksoftirqd/100:27:141
146009988,0cyclictest21-21ksoftirqd/100:19:541
146009988,0cyclictest0-21swapper/122:25:111
146009987,1cyclictest21-21ksoftirqd/100:35:191
146009986,1cyclictest21-21ksoftirqd/119:10:141
146009985,3cyclictest0-21swapper/123:05:461
146009984,4cyclictest0-21swapper/119:21:491
146009980,8cyclictest111rcu_preempt23:11:191
146009980,8cyclictest0-21swapper/122:11:431
146009980,8cyclictest0-21swapper/121:26:051
146009980,7cyclictest0-21swapper/123:42:011
146009980,7cyclictest0-21swapper/121:45:101
146009980,7cyclictest0-21swapper/121:40:131
146009980,7cyclictest0-21swapper/120:10:131
146179977,0cyclictest35-21ksoftirqd/322:05:113
146179976,1cyclictest8989-21cat21:10:163
146179976,1cyclictest35-21ksoftirqd/322:35:003
146179976,1cyclictest35-21ksoftirqd/321:45:173
146179976,1cyclictest35-21ksoftirqd/321:20:003
146179976,1cyclictest35-21ksoftirqd/320:55:143
146179976,1cyclictest35-21ksoftirqd/319:55:193
146179976,1cyclictest35-21ksoftirqd/300:20:153
146179976,1cyclictest32561-21perf00:35:003
146179975,1cyclictest35-21ksoftirqd/321:05:133
146179975,1cyclictest35-21ksoftirqd/319:35:003
146179975,1cyclictest35-21ksoftirqd/319:15:153
146179972,2cyclictest3683-21kworker/3:000:00:243
146179971,5cyclictest7841-21diskmemload23:15:003
146179971,2cyclictest0-21swapper/323:50:593
146179970,3cyclictest0-21swapper/300:08:463
146179970,2cyclictest0-21swapper/322:45:123
146069976,1cyclictest61650irq/122-eno123:30:222
146069976,1cyclictest61650irq/122-eno100:20:162
146069976,1cyclictest28-21ksoftirqd/223:25:102
146069976,1cyclictest28-21ksoftirqd/220:55:132
146069976,1cyclictest28-21ksoftirqd/220:55:002
146069976,1cyclictest28-21ksoftirqd/220:30:152
146069976,1cyclictest28-21ksoftirqd/220:25:182
146069976,1cyclictest28-21ksoftirqd/220:15:002
146069976,1cyclictest28-21ksoftirqd/219:35:112
146069975,1cyclictest61650irq/122-eno121:10:002
146069975,1cyclictest28-21ksoftirqd/219:50:152
146069974,1cyclictest240-21systemd-journal00:00:012
146069970,6cyclictest0-21swapper/221:15:122
146009977,0cyclictest21-21ksoftirqd/122:05:521
146009977,0cyclictest21-21ksoftirqd/121:31:381
146009977,0cyclictest21-21ksoftirqd/120:24:081
146009977,0cyclictest21-21ksoftirqd/119:17:301
146009977,0cyclictest21-21ksoftirqd/100:22:261
146009977,0cyclictest0-21swapper/123:25:171
146009976,1cyclictest21-21ksoftirqd/123:50:141
146009976,1cyclictest21-21ksoftirqd/123:36:441
146009976,1cyclictest21-21ksoftirqd/123:20:181
146009976,1cyclictest21-21ksoftirqd/121:05:131
146009976,1cyclictest21-21ksoftirqd/120:05:111
146009976,1cyclictest21-21ksoftirqd/119:50:161
146009974,3cyclictest0-21swapper/119:33:021
146009970,7cyclictest0-21swapper/123:01:371
146009970,7cyclictest0-21swapper/122:30:391
146009970,7cyclictest0-21swapper/100:06:371
146009970,6cyclictest0-21swapper/120:00:171
146009970,0cyclictest0-21swapper/122:54:531
146179966,0cyclictest35-21ksoftirqd/322:50:133
146179966,0cyclictest35-21ksoftirqd/321:20:123
146179966,0cyclictest35-21ksoftirqd/320:05:133
146179966,0cyclictest0-21swapper/321:57:083
146179965,1cyclictest35-21ksoftirqd/323:20:183
146179965,1cyclictest35-21ksoftirqd/322:10:153
146179965,1cyclictest35-21ksoftirqd/320:10:123
146179965,1cyclictest35-21ksoftirqd/319:40:173
146179965,1cyclictest35-21ksoftirqd/319:25:143
146179965,1cyclictest29981-21ssh23:04:313
146179965,1cyclictest29423-21sshd19:37:543
146179965,1cyclictest24944-21ntpq20:35:163
146179965,1cyclictest19965-21cat20:25:153
146179965,1cyclictest19877-21sshd00:15:533
146179965,1cyclictest15068-21cat00:10:143
146179964,1cyclictest35-21ksoftirqd/322:40:143
146179964,1cyclictest35-21ksoftirqd/320:40:183
146179963,1cyclictest240-21systemd-journal23:59:153
146179961,4cyclictest32212-21apt-get19:45:113
146179961,3cyclictest0-21swapper/321:35:243
146179960,4cyclictest7841-21diskmemload22:22:343
146179960,4cyclictest0-21swapper/323:48:223
146069966,0cyclictest61650irq/122-eno119:55:012
146069966,0cyclictest28-21ksoftirqd/219:43:492
146069966,0cyclictest28-21ksoftirqd/219:20:222
146069965,1cyclictest29869-21kworker/2:120:00:202
146009966,0cyclictest21-21ksoftirqd/123:56:141
146009966,0cyclictest21-21ksoftirqd/123:46:581
146009966,0cyclictest21-21ksoftirqd/122:47:001
146009966,0cyclictest21-21ksoftirqd/120:49:121
146009966,0cyclictest21-21ksoftirqd/119:40:101
146009965,1cyclictest21-21ksoftirqd/100:30:121
146009960,6cyclictest0-21swapper/120:15:131
146009960,4cyclictest0-21swapper/120:25:181
146009960,2cyclictest0-21swapper/122:15:121
146009960,1cyclictest0-21swapper/120:55:111
146179955,0cyclictest35-21ksoftirqd/321:25:113
146179955,0cyclictest35-21ksoftirqd/319:20:143
146179954,1cyclictest35-21ksoftirqd/320:51:123
146179954,1cyclictest35-21ksoftirqd/320:45:133
146179954,1cyclictest13705-21ssh22:00:043
146179953,1cyclictest35-21ksoftirqd/319:53:583
146179953,1cyclictest16938-21ls19:15:003
146179951,2cyclictest0-21swapper/322:25:143
146009955,0cyclictest21-21ksoftirqd/120:35:101
146009953,1cyclictest29258-21chrt19:35:441
146009950,0cyclictest0-21swapper/122:20:461
146179943,1cyclictest35-21ksoftirqd/320:30:153
146179942,1cyclictest14258-21telnet20:15:133
146009944,0cyclictest21-21ksoftirqd/120:32:461
146009944,0cyclictest0-21swapper/119:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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