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2026-08-02 - 05:42
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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 Aug 02, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146252236159,61sleep20-21swapper/219:09:032
145242214149,51sleep00-21swapper/019:07:440
143462208149,21sleep30-21swapper/319:05:263
146122201158,29sleep10-21swapper/119:08:541
83582630,0sleep20-21swapper/200:12:252
170892600,1sleep217091-21grep23:40:002
227072580,0sleep20-21swapper/219:25:012
217922160,0sleep00-21swapper/000:30:200
49812140,0sleep30-21swapper/319:55:123
1479499140,13cyclictest0-21swapper/221:20:152
14799991212,0cyclictest35-21ksoftirqd/323:20:153
1477399123,4cyclictest29250-21perf21:40:000
14799991110,1cyclictest35-21ksoftirqd/320:14:593
14794991110,1cyclictest28-21ksoftirqd/223:30:192
1477399119,1cyclictest9-21ksoftirqd/022:10:140
14773991110,1cyclictest9-21ksoftirqd/000:35:160
1479999109,1cyclictest35-21ksoftirqd/321:20:133
1479999108,1cyclictest35-21ksoftirqd/320:59:593
1479999100,7cyclictest7647-21diskmemload23:55:123
1477399109,1cyclictest9-21ksoftirqd/023:30:160
1477399109,1cyclictest9-21ksoftirqd/021:15:160
1477399109,1cyclictest9-21ksoftirqd/019:45:000
1477399109,1cyclictest9-21ksoftirqd/000:30:010
1477399108,1cyclictest9-21ksoftirqd/021:40:100
1477399100,9cyclictest11301-21snmpd23:50:550
147999999,0cyclictest35-21ksoftirqd/300:10:113
147999998,1cyclictest35-21ksoftirqd/320:40:013
147999998,1cyclictest35-21ksoftirqd/320:20:133
147999997,1cyclictest35-21ksoftirqd/321:45:003
147949990,9cyclictest0-21swapper/223:25:482
147949990,3cyclictest29197-21perf21:39:592
147739999,0cyclictest9-21ksoftirqd/023:35:160
147739999,0cyclictest9-21ksoftirqd/022:05:190
147739999,0cyclictest9-21ksoftirqd/021:30:130
147739999,0cyclictest9-21ksoftirqd/021:25:010
147739999,0cyclictest7647-21diskmemload23:10:420
147739998,1cyclictest9-21ksoftirqd/022:54:590
147739998,1cyclictest9-21ksoftirqd/022:35:150
147739998,1cyclictest9-21ksoftirqd/022:30:180
147739998,1cyclictest9-21ksoftirqd/000:05:180
147739998,1cyclictest101rcuc/022:20:160
147739998,0cyclictest7647-21diskmemload21:57:300
147739997,1cyclictest9-21ksoftirqd/023:00:140
147739997,1cyclictest9-21ksoftirqd/022:00:140
147739992,6cyclictest10316-21ssh22:45:000
9374280,1sleep20-21swapper/222:42:062
147999988,0cyclictest35-21ksoftirqd/323:25:133
147999988,0cyclictest35-21ksoftirqd/322:30:143
147999988,0cyclictest35-21ksoftirqd/321:15:203
147999988,0cyclictest35-21ksoftirqd/300:25:223
147999988,0cyclictest35-21ksoftirqd/300:20:123
147999988,0cyclictest35-21ksoftirqd/300:20:113
147999988,0cyclictest341rcuc/319:40:003
147999987,1cyclictest35-21ksoftirqd/321:05:003
147999986,1cyclictest18486-21cat22:55:153
147999986,1cyclictest14983-21cat22:50:163
147999986,1cyclictest11301-21snmpd22:11:443
147999986,1cyclictest11301-21snmpd22:08:363
147999986,1cyclictest11301-21snmpd20:06:573
147999986,1cyclictest11301-21snmpd19:44:253
147949988,0cyclictest0-21swapper/222:11:282
147949986,1cyclictest61650irq/122-eno123:15:152
147949986,1cyclictest61650irq/122-eno123:04:402
147949986,1cyclictest61650irq/122-eno122:39:592
147949986,1cyclictest61650irq/122-eno121:30:192
147949986,1cyclictest61650irq/122-eno100:35:202
147949986,1cyclictest28-21ksoftirqd/220:25:002
147949986,1cyclictest11301-21snmpd00:08:392
147949984,3cyclictest61650irq/122-eno123:55:462
147949983,3cyclictest2983-21apt-get23:20:142
147949981,2cyclictest10363-21sh21:58:302
147949980,0cyclictest0-21swapper/222:34:082
147829980,5cyclictest0-21swapper/122:55:111
147739987,1cyclictest9-21ksoftirqd/023:40:160
147739987,1cyclictest9-21ksoftirqd/023:40:150
147739987,1cyclictest9-21ksoftirqd/023:05:140
147739987,1cyclictest9-21ksoftirqd/022:15:150
147739987,1cyclictest9-21ksoftirqd/021:50:140
147739987,1cyclictest9-21ksoftirqd/000:25:010
147739987,1cyclictest9-21ksoftirqd/000:25:000
147739987,1cyclictest9-21ksoftirqd/000:00:160
147739986,1cyclictest1166-21mailstats19:45:190
147739986,1cyclictest11301-21snmpd19:19:430
147739981,1cyclictest6631-21ssh23:25:010
147739980,7cyclictest21073-21ssh21:27:080
147739980,4cyclictest27810-21apt-get23:55:120
147739980,1cyclictest0-21swapper/023:45:190
147999977,0cyclictest35-21ksoftirqd/323:05:223
147999976,1cyclictest35-21ksoftirqd/322:26:443
147999976,1cyclictest35-21ksoftirqd/321:45:153
147999976,1cyclictest35-21ksoftirqd/321:30:113
147999976,1cyclictest35-21ksoftirqd/321:05:143
147999976,1cyclictest35-21ksoftirqd/300:05:183
147999976,1cyclictest11301-21snmpd22:38:223
147999976,1cyclictest11301-21snmpd21:26:233
147999975,1cyclictest992-21ssh00:01:223
147999975,1cyclictest35-21ksoftirqd/321:40:003
147999975,1cyclictest11301-21snmpd23:19:123
147999975,1cyclictest11301-21snmpd19:45:563
147999975,1cyclictest11301-21snmpd19:20:073
147999974,2cyclictest7647-21diskmemload23:30:263
147999972,3cyclictest693-21runrttasks21:51:003
147999970,4cyclictest0-21swapper/323:50:203
147949976,1cyclictest61650irq/122-eno123:05:132
147949976,1cyclictest61650irq/122-eno122:02:472
147949976,1cyclictest61650irq/122-eno121:41:072
147949976,1cyclictest61650irq/122-eno121:15:172
147949976,1cyclictest61650irq/122-eno120:45:132
147949976,1cyclictest61650irq/122-eno120:10:192
147949976,1cyclictest61650irq/122-eno119:55:132
147949976,1cyclictest61650irq/122-eno100:19:132
147949976,1cyclictest28-21ksoftirqd/219:15:002
147949976,1cyclictest11301-21snmpd21:05:492
147949975,1cyclictest61650irq/122-eno123:10:142
147949975,1cyclictest61650irq/122-eno120:40:002
147949975,1cyclictest61650irq/122-eno100:00:132
147949975,1cyclictest11301-21snmpd22:45:162
147949975,1cyclictest11301-21snmpd21:46:422
147949974,1cyclictest61650irq/122-eno123:00:012
147949972,4cyclictest4078-21apt-get21:50:102
147949971,6cyclictest0-21swapper/219:40:112
147949970,6cyclictest0-21swapper/221:03:102
147829971,1cyclictest0-21swapper/123:51:521
147829970,6cyclictest0-21swapper/119:35:171
147829970,4cyclictest0-21swapper/100:21:291
147829970,4cyclictest0-21swapper/100:21:291
147829970,3cyclictest0-21swapper/122:40:121
147829970,2cyclictest0-21swapper/123:15:121
147829970,2cyclictest0-21swapper/120:00:101
147829970,1cyclictest0-21swapper/120:08:541
147739976,1cyclictest9-21ksoftirqd/021:10:150
147739976,1cyclictest9-21ksoftirqd/021:05:190
147739976,1cyclictest9-21ksoftirqd/020:45:150
147739976,1cyclictest9-21ksoftirqd/019:30:130
147739976,1cyclictest11301-21snmpd20:00:020
147739975,1cyclictest9-21ksoftirqd/019:25:140
147739975,1cyclictest4019-21memory23:20:200
147739974,0cyclictest9-21ksoftirqd/020:15:220
147739973,1cyclictest14986-21/usr/sbin/munin19:10:140
147739972,3cyclictest7647-21diskmemload23:15:050
147739970,6cyclictest7647-21diskmemload00:13:480
147739970,6cyclictest29399-21fschecks_time22:25:160
147739970,6cyclictest1109-21ssh21:45:160
147739970,6cyclictest0-21swapper/022:45:120
147739970,2cyclictest7647-21diskmemload00:15:120
147739970,1cyclictest19229-21sed22:55:210
147999966,0cyclictest35-21ksoftirqd/322:00:153
147999965,1cyclictest30248-21ssh23:10:473
147999965,1cyclictest23504-21ssh00:35:073
147999964,1cyclictest9458-21apt-get00:15:113
147999964,1cyclictest22761-21/usr/sbin/munin19:25:153
147999964,1cyclictest11301-21snmpd20:30:273
147999964,1cyclictest11301-21snmpd20:15:153
147999963,1cyclictest25932-21hwlatdetect19:30:143
147999962,3cyclictest23458-21taskset23:48:183
147999962,3cyclictest16765-21runrttasks19:10:473
147999962,1cyclictest7647-21diskmemload21:58:433
147999961,4cyclictest23111-21sh23:00:253
147999960,6cyclictest21736-21ssh00:30:203
147999960,5cyclictest0-21swapper/322:15:083
147999960,4cyclictest12546-21sh22:46:013
147999960,3cyclictest0-21swapper/322:20:343
147999960,2cyclictest0-21swapper/323:43:203
147999960,2cyclictest0-21swapper/323:43:193
147999960,1cyclictest0-21swapper/321:10:123
147999960,0cyclictest0-21swapper/322:42:063
147999960,0cyclictest0-21swapper/320:49:503
147949966,0cyclictest61650irq/122-eno123:50:062
147949966,0cyclictest61650irq/122-eno123:40:112
147949966,0cyclictest61650irq/122-eno123:40:102
147949966,0cyclictest61650irq/122-eno122:50:572
147949966,0cyclictest61650irq/122-eno122:25:222
147949966,0cyclictest61650irq/122-eno122:20:042
147949966,0cyclictest61650irq/122-eno122:15:422
147949966,0cyclictest61650irq/122-eno120:42:332
147949966,0cyclictest61650irq/122-eno120:30:152
147949966,0cyclictest61650irq/122-eno120:15:432
147949966,0cyclictest61650irq/122-eno119:54:522
147949966,0cyclictest61650irq/122-eno119:45:122
147949966,0cyclictest61650irq/122-eno119:33:212
147949966,0cyclictest61650irq/122-eno119:26:122
147949966,0cyclictest61650irq/122-eno119:18:372
147949966,0cyclictest61650irq/122-eno100:25:542
147949966,0cyclictest61650irq/122-eno100:20:142
147949966,0cyclictest61650irq/122-eno100:20:142
147949965,1cyclictest61650irq/122-eno122:05:192
147949965,1cyclictest61650irq/122-eno121:11:512
147949965,1cyclictest61650irq/122-eno120:25:012
147949965,1cyclictest20751-21ssh23:45:122
147949964,1cyclictest61650irq/122-eno121:25:122
147949964,1cyclictest61650irq/122-eno120:05:112
147949964,1cyclictest61650irq/122-eno100:30:122
147949960,5cyclictest0-21swapper/220:55:132
147949960,5cyclictest0-21swapper/220:01:172
147829966,0cyclictest0-21swapper/100:16:491
147829961,1cyclictest0-21swapper/100:38:391
147829960,6cyclictest0-21swapper/122:27:521
147829960,6cyclictest0-21swapper/121:14:531
147829960,6cyclictest0-21swapper/121:03:121
147829960,6cyclictest0-21swapper/120:35:471
147829960,6cyclictest0-21swapper/119:55:151
147829960,6cyclictest0-21swapper/119:51:321
147829960,6cyclictest0-21swapper/119:20:491
147829960,6cyclictest0-21swapper/119:11:331
147829960,6cyclictest0-21swapper/100:06:391
147829960,5cyclictest0-21swapper/119:40:161
147829960,4cyclictest0-21swapper/123:21:391
147829960,4cyclictest0-21swapper/123:05:211
147829960,4cyclictest0-21swapper/122:13:521
147829960,3cyclictest0-21swapper/123:30:121
147829960,3cyclictest0-21swapper/122:51:441
147829960,2cyclictest0-21swapper/122:45:111
147829960,1cyclictest0-21swapper/120:51:521
147739965,1cyclictest9-21ksoftirqd/021:00:100
147739965,1cyclictest9-21ksoftirqd/020:59:500
147739965,1cyclictest9-21ksoftirqd/020:50:150
147739965,1cyclictest9-21ksoftirqd/020:25:010
147739965,1cyclictest9-21ksoftirqd/020:20:200
147739965,1cyclictest28598-21ntpq19:35:160
147739960,5cyclictest0-21swapper/020:05:100
147739960,5cyclictest0-21swapper/019:20:150
147739960,0cyclictest0-21swapper/020:30:130
147739960,0cyclictest0-21swapper/020:11:210
147739960,0cyclictest0-21swapper/019:50:130
18614250,2sleep10-21swapper/120:25:001
147999955,0cyclictest35-21ksoftirqd/320:25:003
147999955,0cyclictest35-21ksoftirqd/319:50:143
147999954,1cyclictest35-21ksoftirqd/320:00:133
147999954,1cyclictest35-21ksoftirqd/319:15:143
147999953,1cyclictest26150-21apt-get20:40:133
147999950,1cyclictest0-21swapper/320:50:123
147999950,0cyclictest0-21swapper/323:35:033
147949955,0cyclictest61650irq/122-eno119:35:112
147949954,1cyclictest61650irq/122-eno120:50:172
147829955,0cyclictest0-21swapper/123:43:501
147829955,0cyclictest0-21swapper/123:43:501
147829955,0cyclictest0-21swapper/123:04:241
147829955,0cyclictest0-21swapper/122:36:031
147829955,0cyclictest0-21swapper/121:48:291
147829953,1cyclictest2284-21chrt22:31:541
147829951,1cyclictest0-21swapper/100:30:141
147829950,5cyclictest0-21swapper/123:11:351
147829950,5cyclictest0-21swapper/122:05:211
147829950,5cyclictest0-21swapper/121:56:141
147829950,5cyclictest0-21swapper/121:42:581
147829950,5cyclictest0-21swapper/120:55:011
147829950,5cyclictest0-21swapper/120:48:341
147829950,5cyclictest0-21swapper/120:30:231
147829950,5cyclictest0-21swapper/119:49:591
147829950,3cyclictest0-21swapper/121:22:091
147829950,3cyclictest0-21swapper/100:01:511
147829950,2cyclictest0-21swapper/121:35:161
147829950,2cyclictest0-21swapper/121:30:091
147829950,2cyclictest0-21swapper/121:28:521
147829950,0cyclictest0-21swapper/121:50:031
147739954,1cyclictest9-21ksoftirqd/020:35:110
147739954,1cyclictest9-21ksoftirqd/019:55:150
147739951,1cyclictest240-21systemd-journal20:40:010
147829941,2cyclictest0-21swapper/119:25:101
147829941,2cyclictest0-21swapper/100:25:111
147829940,4cyclictest0-21swapper/121:09:231
147829940,4cyclictest0-21swapper/120:40:501
147829940,2cyclictest0-21swapper/123:48:021
147829940,2cyclictest0-21swapper/123:35:151
147829940,2cyclictest0-21swapper/123:25:161
147829940,2cyclictest0-21swapper/122:20:021
147829940,2cyclictest0-21swapper/122:15:111
147829940,1cyclictest0-21swapper/122:02:041
147829940,1cyclictest0-21swapper/121:15:121
147829940,1cyclictest0-21swapper/120:25:181
147829940,1cyclictest0-21swapper/120:15:221
147829940,1cyclictest0-21swapper/119:34:361
147829940,1cyclictest0-21swapper/119:15:121
147829940,1cyclictest0-21swapper/100:10:191
147829940,0cyclictest0-21swapper/123:55:191
147829930,1cyclictest0-21swapper/120:10:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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