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2026-03-12 - 05:56
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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 Mar 12, 2026 00:45:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194042223156,53sleep30-21swapper/319:08:113
195432211172,26sleep10-21swapper/119:09:581
193682203162,27sleep20-21swapper/219:07:422
193142200161,25sleep00-21swapper/019:07:000
287742660,0sleep20-21swapper/223:34:472
17582640,0sleep00-21swapper/000:21:190
38862580,1sleep33887-21fschecks_count22:20:153
110942570,0sleep10-21swapper/121:05:151
19653991918,1cyclictest35-21ksoftirqd/322:50:003
19653991817,1cyclictest35-21ksoftirqd/321:30:133
19653991715,1cyclictest35-21ksoftirqd/322:00:123
19653991715,1cyclictest35-21ksoftirqd/319:30:003
1965399167,4cyclictest35-21ksoftirqd/323:50:173
19653991614,1cyclictest35-21ksoftirqd/320:20:153
19653991515,0cyclictest35-21ksoftirqd/323:05:143
19653991515,0cyclictest35-21ksoftirqd/321:45:113
19653991514,1cyclictest35-21ksoftirqd/319:50:193
19653991514,1cyclictest35-21ksoftirqd/300:23:233
1965399144,5cyclictest35-21ksoftirqd/300:15:113
19653991414,0cyclictest35-21ksoftirqd/321:15:213
19653991414,0cyclictest35-21ksoftirqd/320:15:163
19653991414,0cyclictest35-21ksoftirqd/300:10:133
19653991413,1cyclictest35-21ksoftirqd/322:13:493
19653991413,1cyclictest35-21ksoftirqd/319:30:153
1965399139,2cyclictest35-21ksoftirqd/321:00:163
19653991313,0cyclictest35-21ksoftirqd/323:20:103
19653991312,1cyclictest35-21ksoftirqd/322:55:103
19653991312,1cyclictest35-21ksoftirqd/321:20:203
19653991312,1cyclictest35-21ksoftirqd/300:34:063
19632991311,1cyclictest9-21ksoftirqd/022:35:000
19632991311,1cyclictest9-21ksoftirqd/022:00:000
1965399129,1cyclictest35-21ksoftirqd/300:40:003
1965399123,8cyclictest35-21ksoftirqd/323:10:103
19653991212,0cyclictest35-21ksoftirqd/323:28:003
19653991212,0cyclictest35-21ksoftirqd/322:53:053
19653991212,0cyclictest35-21ksoftirqd/319:15:203
19653991211,1cyclictest35-21ksoftirqd/323:55:163
19653991211,1cyclictest35-21ksoftirqd/321:58:143
19653991211,1cyclictest35-21ksoftirqd/321:30:003
19653991211,1cyclictest35-21ksoftirqd/320:45:113
19653991211,1cyclictest35-21ksoftirqd/320:30:193
19653991211,1cyclictest35-21ksoftirqd/320:30:003
19653991211,1cyclictest35-21ksoftirqd/320:05:163
19653991211,1cyclictest35-21ksoftirqd/300:00:093
19653991210,1cyclictest35-21ksoftirqd/320:40:123
19653991210,1cyclictest35-21ksoftirqd/319:20:113
19653991210,1cyclictest35-21ksoftirqd/319:15:003
19632991211,1cyclictest9-21ksoftirqd/022:10:010
19632991210,1cyclictest9-21ksoftirqd/021:20:010
1965399119,1cyclictest35-21ksoftirqd/320:35:183
1965399119,1cyclictest35-21ksoftirqd/300:25:173
1965399119,1cyclictest35-21ksoftirqd/300:05:133
19653991111,0cyclictest35-21ksoftirqd/322:40:163
19653991111,0cyclictest35-21ksoftirqd/321:40:003
19653991111,0cyclictest35-21ksoftirqd/319:35:113
19653991110,1cyclictest35-21ksoftirqd/323:20:003
19653991110,1cyclictest35-21ksoftirqd/322:15:243
19653991110,0cyclictest35-21ksoftirqd/323:00:183
1963299119,1cyclictest9-21ksoftirqd/020:55:000
1963299119,1cyclictest9-21ksoftirqd/019:55:100
1963299110,11cyclictest10002-21sh00:32:290
51892100,1sleep10-21swapper/119:45:151
1965399109,1cyclictest35-21ksoftirqd/322:32:363
1965399109,1cyclictest35-21ksoftirqd/321:50:143
1965399109,1cyclictest35-21ksoftirqd/321:10:143
1965399109,1cyclictest35-21ksoftirqd/319:50:003
1965399109,1cyclictest35-21ksoftirqd/319:40:103
1965399108,1cyclictest35-21ksoftirqd/322:35:193
1965399108,1cyclictest35-21ksoftirqd/322:05:173
1965399108,1cyclictest35-21ksoftirqd/321:00:003
1965399108,1cyclictest35-21ksoftirqd/320:50:133
1965399107,1cyclictest35-21ksoftirqd/322:24:593
1965399107,1cyclictest35-21ksoftirqd/321:05:013
19653991010,0cyclictest35-21ksoftirqd/323:44:153
19653991010,0cyclictest35-21ksoftirqd/323:39:013
19653991010,0cyclictest35-21ksoftirqd/321:44:563
1964999108,1cyclictest28-21ksoftirqd/219:35:002
1964999106,4cyclictest4050-21sh21:39:072
1964999106,3cyclictest28-21ksoftirqd/200:25:032
1963299109,1cyclictest9-21ksoftirqd/023:35:150
1963299109,1cyclictest9-21ksoftirqd/023:05:000
1963299109,1cyclictest9-21ksoftirqd/022:15:110
1963299109,1cyclictest9-21ksoftirqd/021:20:110
1963299109,1cyclictest9-21ksoftirqd/020:05:130
1963299109,1cyclictest9-21ksoftirqd/019:55:000
1963299109,1cyclictest9-21ksoftirqd/000:05:100
1963299109,1cyclictest561-21nscd20:15:140
1963299108,1cyclictest9-21ksoftirqd/021:15:010
1963299102,4cyclictest6949-21sort22:25:000
27536290,0sleep20-21swapper/200:14:162
196539998,1cyclictest35-21ksoftirqd/320:10:143
196539998,1cyclictest35-21ksoftirqd/320:05:003
196539998,1cyclictest35-21ksoftirqd/319:55:123
196539998,0cyclictest35-21ksoftirqd/323:30:123
196539997,1cyclictest35-21ksoftirqd/323:45:133
196329998,1cyclictest9-21ksoftirqd/021:50:180
196329998,1cyclictest9-21ksoftirqd/021:30:200
196329998,1cyclictest9-21ksoftirqd/019:30:000
196329998,1cyclictest9-21ksoftirqd/000:25:160
196329998,1cyclictest9-21ksoftirqd/000:00:100
196329998,1cyclictest14532-1kworker/u9:123:59:210
196329992,6cyclictest9-21ksoftirqd/023:25:160
196499986,1cyclictest707-21snmpd23:51:182
196499986,1cyclictest707-21snmpd22:59:022
196499986,1cyclictest61650irq/122-eno123:37:252
196499986,1cyclictest61650irq/122-eno121:45:142
196499980,6cyclictest0-21swapper/222:46:432
196499980,3cyclictest0-21swapper/220:20:122
196499980,2cyclictest0-21swapper/221:40:372
196499980,1cyclictest873-21/usr/sbin/munin23:40:222
196419981,1cyclictest0-21swapper/120:57:491
196329988,0cyclictest9-21ksoftirqd/022:40:070
196329988,0cyclictest9-21ksoftirqd/020:25:200
196329987,1cyclictest9-21ksoftirqd/023:05:180
196329987,1cyclictest9-21ksoftirqd/022:35:140
196329987,1cyclictest9-21ksoftirqd/022:05:000
196329987,1cyclictest14043-21ssh00:37:530
196329986,1cyclictest9-21ksoftirqd/019:49:590
196329986,1cyclictest707-21snmpd23:15:480
196329986,1cyclictest707-21snmpd20:20:030
196329982,5cyclictest21962-21apt-get19:15:010
196329981,1cyclictest24177-21ssh00:10:040
196329980,4cyclictest27815-21latency_hist19:25:000
196329980,1cyclictest8261-21ssh23:49:480
196499976,1cyclictest6231-21sensors23:45:212
196499976,1cyclictest61650irq/122-eno123:14:202
196499976,1cyclictest61650irq/122-eno122:44:392
196499976,1cyclictest61650irq/122-eno122:27:372
196499976,1cyclictest61650irq/122-eno122:20:142
196499976,1cyclictest61650irq/122-eno122:19:502
196499976,1cyclictest61650irq/122-eno121:51:292
196499976,1cyclictest61650irq/122-eno121:35:002
196499976,1cyclictest61650irq/122-eno100:20:582
196499976,1cyclictest61650irq/122-eno100:15:122
196499976,1cyclictest61650irq/122-eno100:03:042
196499975,1cyclictest707-21snmpd23:08:202
196499975,1cyclictest707-21snmpd20:00:102
196499975,1cyclictest61650irq/122-eno122:50:212
196499975,1cyclictest61650irq/122-eno122:00:122
196499975,1cyclictest61650irq/122-eno119:15:012
196499975,1cyclictest24643-21ssh23:29:062
196499975,0cyclictest61650irq/122-eno123:03:382
196499973,2cyclictest240-21systemd-journal19:50:002
196499972,2cyclictest16993-21fschecks_time21:55:162
196499971,3cyclictest20333-21apt-get00:05:102
196499971,2cyclictest561-21nscd20:05:152
196499970,1cyclictest0-21swapper/221:25:102
196499970,1cyclictest0-21swapper/220:48:282
196499970,1cyclictest0-21swapper/200:35:162
196419971,6cyclictest0-21swapper/123:19:051
196419970,6cyclictest0-21swapper/122:25:111
196419970,4cyclictest0-21swapper/123:21:371
196419970,4cyclictest0-21swapper/122:57:461
196419970,1cyclictest0-21swapper/121:59:121
196419970,1cyclictest0-21swapper/120:49:001
196419970,1cyclictest0-21swapper/120:27:151
196329976,1cyclictest9-21ksoftirqd/023:00:000
196329976,1cyclictest9-21ksoftirqd/021:00:110
196329976,1cyclictest2711-21ssh23:40:260
196329976,1cyclictest0-21swapper/020:00:190
196329975,1cyclictest9-21ksoftirqd/021:25:160
196329975,1cyclictest707-21snmpd19:42:530
196329975,1cyclictest707-21snmpd19:37:410
196329975,1cyclictest31504-21ntpq19:30:160
196329970,7cyclictest0-21swapper/021:05:170
196329970,6cyclictest28107-21ssh00:15:090
196329970,6cyclictest28060-21aten_r1power_fr22:10:120
196329970,6cyclictest19391-21ssh23:20:300
196329970,6cyclictest12476-21diskmemload23:50:070
196329970,6cyclictest0-21swapper/022:25:150
196329970,6cyclictest0-21swapper/021:45:180
196329970,6cyclictest0-21swapper/020:34:120
196329970,4cyclictest21970-21latency_hist19:15:010
196329970,1cyclictest5623-21dpkg20:55:090
196329970,1cyclictest0-21swapper/022:45:200
196499966,0cyclictest61650irq/122-eno123:20:022
196499966,0cyclictest61650irq/122-eno123:15:192
196499966,0cyclictest61650irq/122-eno122:35:112
196499966,0cyclictest61650irq/122-eno122:30:022
196499966,0cyclictest61650irq/122-eno121:10:132
196499966,0cyclictest61650irq/122-eno121:05:372
196499966,0cyclictest61650irq/122-eno121:00:072
196499966,0cyclictest61650irq/122-eno120:42:572
196499966,0cyclictest61650irq/122-eno120:34:522
196499966,0cyclictest61650irq/122-eno120:15:412
196499966,0cyclictest61650irq/122-eno120:14:422
196499966,0cyclictest61650irq/122-eno119:55:082
196499966,0cyclictest61650irq/122-eno119:40:152
196499966,0cyclictest61650irq/122-eno100:30:252
196499965,1cyclictest707-21snmpd23:57:102
196499965,1cyclictest61650irq/122-eno121:15:142
196499964,1cyclictest30130-21idleruntime-cro19:30:002
196499963,1cyclictest240-21systemd-journal19:20:012
196499961,1cyclictest24704-21tune2fs22:05:132
196499961,1cyclictest0-21swapper/222:10:102
196499960,6cyclictest0-21swapper/219:50:202
196499960,2cyclictest0-21swapper/220:55:092
196499960,1cyclictest20690-21apt-get21:20:112
196419965,1cyclictest0-21swapper/122:10:431
196419961,2cyclictest0-21swapper/122:30:091
196419960,6cyclictest0-21swapper/123:56:431
196419960,6cyclictest0-21swapper/123:04:381
196419960,6cyclictest0-21swapper/122:49:441
196419960,6cyclictest0-21swapper/122:36:221
196419960,6cyclictest0-21swapper/122:18:481
196419960,6cyclictest0-21swapper/120:19:541
196419960,6cyclictest0-21swapper/119:58:141
196419960,6cyclictest0-21swapper/119:40:051
196419960,6cyclictest0-21swapper/119:14:431
196419960,6cyclictest0-21swapper/100:35:501
196419960,6cyclictest0-21swapper/100:15:161
196419960,5cyclictest0-21swapper/121:30:151
196419960,5cyclictest0-21swapper/120:51:521
196419960,5cyclictest0-21swapper/120:10:081
196419960,5cyclictest0-21swapper/100:07:491
196419960,3cyclictest0-21swapper/119:50:101
196419960,2cyclictest0-21swapper/120:20:171
196419960,1cyclictest0-21swapper/123:31:541
196419960,1cyclictest0-21swapper/122:05:101
196329960,6cyclictest21780-1kworker/u9:122:50:130
196329960,6cyclictest0-21swapper/021:40:150
196329960,6cyclictest0-21swapper/021:35:110
196329960,6cyclictest0-21swapper/020:10:130
196329960,5cyclictest30981-21/usr/sbin/munin20:40:160
196329960,4cyclictest0-21swapper/023:10:070
196329960,0cyclictest0-21swapper/023:30:330
196499955,0cyclictest61650irq/122-eno120:35:102
196499955,0cyclictest61650irq/122-eno119:35:152
196499952,2cyclictest24205-21cpuspeed_turbos20:25:132
196499951,4cyclictest0-21swapper/219:20:162
196499950,2cyclictest240-21systemd-journal20:55:002
196419952,2cyclictest0-21swapper/122:20:101
196419951,4cyclictest0-21swapper/120:39:501
196419951,3cyclictest0-21swapper/121:40:401
196419951,2cyclictest0-21swapper/121:29:071
196419951,2cyclictest0-21swapper/121:12:101
196419951,2cyclictest0-21swapper/100:25:151
196419950,5cyclictest0-21swapper/122:00:151
196419950,5cyclictest0-21swapper/121:35:101
196419950,5cyclictest0-21swapper/121:02:141
196419950,4cyclictest0-21swapper/123:12:251
196419950,4cyclictest0-21swapper/100:21:291
196419950,3cyclictest0-21swapper/123:50:111
196419950,3cyclictest0-21swapper/122:40:041
196419950,3cyclictest0-21swapper/121:45:171
196419950,2cyclictest0-21swapper/121:24:381
196419950,1cyclictest0-21swapper/123:36:431
196329954,1cyclictest707-21snmpd20:47:030
196329950,3cyclictest29422-21hwlatdetect20:35:140
196419941,2cyclictest0-21swapper/121:15:111
196419941,2cyclictest0-21swapper/120:00:121
196419940,4cyclictest0-21swapper/123:05:191
196419940,3cyclictest0-21swapper/123:25:201
196419940,3cyclictest0-21swapper/122:50:241
196419940,3cyclictest0-21swapper/119:35:131
196419940,2cyclictest0-21swapper/123:40:101
196419940,2cyclictest0-21swapper/120:05:111
196419940,2cyclictest0-21swapper/119:20:101
196419940,1cyclictest0-21swapper/123:45:321
196419940,1cyclictest0-21swapper/121:52:201
196419940,1cyclictest0-21swapper/120:40:151
196419940,1cyclictest0-21swapper/100:30:041
196419940,1cyclictest0-21swapper/100:10:211
196419940,1cyclictest0-21swapper/100:00:181
196419940,0cyclictest0-21swapper/119:33:171
196419931,1cyclictest0-21swapper/120:30:101
196419931,1cyclictest0-21swapper/119:15:011
196419930,1cyclictest0-21swapper/119:25:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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