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2026-08-05 - 08:39
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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 Wed Aug 05, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322282203163,26sleep20-21swapper/219:09:002
322762199161,24sleep30-21swapper/319:09:373
320882199159,26sleep10-21swapper/119:07:111
321862198161,23sleep00-21swapper/019:08:250
204332670,0sleep30-21swapper/322:31:293
229982170,0sleep228-21ksoftirqd/221:50:152
32402991110,1cyclictest28-21ksoftirqd/222:40:002
32396991110,1cyclictest9-21ksoftirqd/000:05:450
137462110,0sleep20-21swapper/223:09:262
95742100,0sleep20-21swapper/222:16:122
3240299109,1cyclictest28-21ksoftirqd/220:40:012
3240299108,1cyclictest29630-21fschecks_count22:45:162
3239699109,1cyclictest9-21ksoftirqd/023:20:000
3239699109,1cyclictest9-21ksoftirqd/019:40:000
3239699102,4cyclictest20674-21cut00:05:000
324099998,1cyclictest35-21ksoftirqd/300:15:003
324099991,7cyclictest14749-21kworker/u8:022:26:423
324029998,1cyclictest28-21ksoftirqd/221:20:002
324029993,5cyclictest11028-21kworker/u8:222:50:122
324009990,6cyclictest0-21swapper/100:05:151
323969998,1cyclictest9-21ksoftirqd/021:20:140
323969998,1cyclictest9-21ksoftirqd/021:10:160
323969997,1cyclictest9-21ksoftirqd/019:25:000
323969990,3cyclictest0-21swapper/021:30:110
324099986,1cyclictest11301-21snmpd23:20:173
324099986,1cyclictest11301-21snmpd22:37:343
324099986,1cyclictest11301-21snmpd19:46:203
324099984,3cyclictest2327-21munin-node20:20:003
324099981,5cyclictest568-21nscd23:09:123
324099980,5cyclictest7534-21apt-get21:30:113
324099980,4cyclictest2668-21runrttasks23:39:393
324099980,4cyclictest0-21swapper/300:05:143
324029986,1cyclictest1747-21ntpd21:38:002
324029986,1cyclictest11301-21snmpd22:30:392
324029985,1cyclictest28-21ksoftirqd/219:14:562
324029984,2cyclictest240-21systemd-journal20:00:002
324029984,1cyclictest29597-21ssh00:15:212
324029980,6cyclictest21253-21/usr/sbin/munin23:20:132
324009980,5cyclictest0-21swapper/100:30:121
323969987,1cyclictest9-21ksoftirqd/021:50:000
323969987,1cyclictest25243-21diskmemload23:58:330
323969986,1cyclictest9-21ksoftirqd/021:25:300
323969986,1cyclictest11301-21snmpd22:38:360
323969986,1cyclictest11301-21snmpd21:16:060
323969986,1cyclictest11301-21snmpd19:48:370
323969986,1cyclictest11301-21snmpd19:10:030
323969986,1cyclictest11301-21snmpd00:25:330
323969983,4cyclictest11301-21snmpd23:43:400
323969982,3cyclictest17988-21perf21:45:000
323969981,1cyclictest0-21swapper/023:50:560
323969980,7cyclictest13385-21ssh22:22:050
323969980,7cyclictest10026-21latency_hist23:50:000
323969980,6cyclictest0-21swapper/000:32:140
323969980,4cyclictest1684-21grep20:20:010
13807280,0sleep10-21swapper/122:23:281
324099976,1cyclictest11301-21snmpd21:22:153
324099976,1cyclictest11301-21snmpd19:24:163
324099975,1cyclictest11301-21snmpd23:26:373
324099975,1cyclictest11301-21snmpd22:41:483
324099975,1cyclictest11301-21snmpd22:19:173
324099975,1cyclictest11301-21snmpd21:35:463
324099975,1cyclictest11301-21snmpd21:02:103
324099975,1cyclictest11301-21snmpd20:52:513
324099975,1cyclictest11301-21snmpd20:27:053
324099975,1cyclictest11301-21snmpd20:04:503
324099975,1cyclictest11301-21snmpd19:50:493
324099975,1cyclictest11301-21snmpd19:39:043
324099975,1cyclictest11301-21snmpd19:33:023
324099975,1cyclictest11301-21snmpd00:16:523
324099975,1cyclictest0-21swapper/300:25:133
324099973,3cyclictest30392-21python21:15:213
324099972,2cyclictest0-21swapper/323:49:593
324099972,1cyclictest25243-21diskmemload22:45:533
324099971,6cyclictest20678-21kworker/u8:122:52:253
324099971,5cyclictest11301-21snmpd00:30:073
324099971,3cyclictest25243-21diskmemload00:40:003
324099970,4cyclictest0-21swapper/320:45:103
324029976,1cyclictest61650irq/122-eno123:35:202
324029976,1cyclictest61650irq/122-eno123:00:172
324029976,1cyclictest61650irq/122-eno121:41:292
324029976,1cyclictest61650irq/122-eno100:30:112
324029976,1cyclictest61650irq/122-eno100:22:152
324029976,1cyclictest61650irq/122-eno100:05:232
324029976,1cyclictest28-21ksoftirqd/223:35:012
324029976,1cyclictest28-21ksoftirqd/222:30:002
324029976,1cyclictest11301-21snmpd23:25:432
324029976,0cyclictest61650irq/122-eno122:05:132
324029976,0cyclictest61650irq/122-eno121:30:142
324029975,1cyclictest61650irq/122-eno100:00:202
324029975,1cyclictest29361-21perf20:10:002
324029975,1cyclictest28-21ksoftirqd/219:35:122
324029975,1cyclictest11301-21snmpd20:54:042
324029975,1cyclictest11301-21snmpd20:29:092
324029975,1cyclictest11301-21snmpd00:35:442
324029974,2cyclictest11301-21snmpd21:58:312
324029974,2cyclictest11301-21snmpd21:58:312
324029970,4cyclictest0-21swapper/223:40:022
324029970,2cyclictest0-21swapper/219:45:122
324009977,0cyclictest21-21ksoftirqd/121:35:321
324009971,2cyclictest0-21swapper/123:00:181
324009970,4cyclictest0-21swapper/123:50:201
324009970,4cyclictest0-21swapper/119:30:131
323969976,1cyclictest9-21ksoftirqd/022:45:150
323969976,1cyclictest9-21ksoftirqd/021:55:010
323969976,1cyclictest9-21ksoftirqd/021:55:000
323969976,1cyclictest9-21ksoftirqd/019:55:410
323969976,1cyclictest9-21ksoftirqd/019:35:000
323969976,1cyclictest11301-21snmpd22:51:040
323969975,1cyclictest9757-21ssh00:35:110
323969975,1cyclictest7162-21ssh23:00:040
323969975,1cyclictest4574-21cat22:55:170
323969975,1cyclictest11301-21snmpd21:09:210
323969975,1cyclictest11301-21snmpd20:43:210
323969975,1cyclictest11301-21snmpd20:28:420
323969975,1cyclictest11301-21snmpd20:03:070
323969975,1cyclictest10217-21ssh22:18:170
323969974,1cyclictest0-21swapper/023:06:150
323969973,1cyclictest9-21ksoftirqd/021:54:330
323969971,4cyclictest27533-21ssh22:41:010
323969970,6cyclictest31660-21ssh00:20:090
323969970,6cyclictest28640-21grep23:30:120
323969970,6cyclictest25243-21diskmemload22:30:170
323969970,6cyclictest24484-21latency_hist23:25:000
323969970,6cyclictest21434-21cpu23:20:140
323969970,6cyclictest16979-21ssh23:13:310
323969970,6cyclictest0-21swapper/020:30:140
323969970,3cyclictest17408-21http19:45:010
323969970,1cyclictest29164-21ssh22:00:040
323969970,1cyclictest26325-21ssh00:10:480
323969970,1cyclictest25243-21diskmemload23:35:170
323969970,1cyclictest18912-21diskstats20:55:170
323969970,1cyclictest16838-21ssh22:26:520
323969970,1cyclictest1479-21awk22:05:190
323969970,1cyclictest0-21swapper/019:25:190
324099965,1cyclictest3895-21ssh21:25:083
324099965,1cyclictest30994-21ssh23:32:453
324099965,1cyclictest25483-21ssh21:10:063
324099965,1cyclictest16856-21ssh21:41:283
324099965,1cyclictest16146-21ssh23:10:503
324099965,1cyclictest13025-21ssh22:20:573
324099965,1cyclictest11301-21snmpd19:58:133
324099965,1cyclictest11301-21snmpd00:00:363
324099965,1cyclictest10272-21ssh23:04:313
324099965,1cyclictest10101-21ntpq20:35:173
324099964,1cyclictest3378-21tr23:40:143
324099964,1cyclictest11301-21snmpd20:18:273
324099963,2cyclictest11318-21load23:50:163
324099963,1cyclictest25243-21diskmemload21:55:433
324099963,1cyclictest25243-21diskmemload21:55:433
324099962,1cyclictest21950-21apt-get21:50:103
324099961,4cyclictest5349-21perf19:20:013
324099961,3cyclictest25243-21diskmemload23:18:413
324099961,2cyclictest13780-21ssh23:55:053
324099961,2cyclictest0-21swapper/322:55:143
324099960,3cyclictest32726-21/usr/sbin/munin22:05:243
324099960,3cyclictest25243-21diskmemload21:46:493
324099960,3cyclictest0-21swapper/322:12:043
324099960,3cyclictest0-21swapper/319:10:113
324099960,2cyclictest0-21swapper/319:40:163
324029966,0cyclictest61650irq/122-eno123:45:302
324029966,0cyclictest61650irq/122-eno122:55:192
324029966,0cyclictest61650irq/122-eno122:20:182
324029966,0cyclictest61650irq/122-eno122:10:572
324029966,0cyclictest61650irq/122-eno122:00:182
324029966,0cyclictest61650irq/122-eno121:25:092
324029966,0cyclictest61650irq/122-eno121:12:512
324029966,0cyclictest61650irq/122-eno121:07:192
324029966,0cyclictest61650irq/122-eno120:59:312
324029966,0cyclictest61650irq/122-eno120:40:592
324029966,0cyclictest61650irq/122-eno120:20:092
324029966,0cyclictest61650irq/122-eno120:18:392
324029966,0cyclictest61650irq/122-eno120:10:222
324029966,0cyclictest61650irq/122-eno119:40:152
324029965,1cyclictest61650irq/122-eno119:20:002
324029965,1cyclictest28-21ksoftirqd/219:30:002
324029965,1cyclictest13786-21ssh23:55:072
324029965,1cyclictest11671-21ntpq19:30:182
324029964,1cyclictest61650irq/122-eno123:50:102
324029964,1cyclictest61650irq/122-eno100:25:132
324029964,1cyclictest28-21ksoftirqd/220:48:162
324029964,1cyclictest26104-21grep00:10:212
324029963,2cyclictest25243-21diskmemload21:45:102
324029963,2cyclictest11301-21snmpd20:04:222
324029963,1cyclictest0-21swapper/221:20:172
324029962,3cyclictest25243-21diskmemload23:10:152
324029962,1cyclictest294-21systemd-udevd23:17:092
324029960,6cyclictest0-21swapper/222:40:182
324009962,2cyclictest0-21swapper/123:32:571
324009960,6cyclictest0-21swapper/123:37:231
324009960,6cyclictest0-21swapper/122:57:281
324009960,6cyclictest0-21swapper/122:51:411
324009960,6cyclictest0-21swapper/122:45:361
324009960,6cyclictest0-21swapper/122:26:141
324009960,6cyclictest0-21swapper/122:00:201
324009960,6cyclictest0-21swapper/121:48:341
324009960,6cyclictest0-21swapper/121:11:301
324009960,6cyclictest0-21swapper/120:50:211
324009960,6cyclictest0-21swapper/120:35:501
324009960,6cyclictest0-21swapper/120:14:581
324009960,6cyclictest0-21swapper/119:56:161
324009960,6cyclictest0-21swapper/119:52:191
324009960,6cyclictest0-21swapper/100:35:301
324009960,6cyclictest0-21swapper/100:20:211
324009960,5cyclictest0-21swapper/119:45:171
324009960,4cyclictest0-21swapper/123:08:061
324009960,4cyclictest0-21swapper/121:20:121
324009960,3cyclictest0-21swapper/122:05:131
324009960,3cyclictest0-21swapper/120:30:121
324009960,2cyclictest0-21swapper/121:52:401
324009960,1cyclictest0-21swapper/122:35:151
324009960,1cyclictest0-21swapper/121:55:121
324009960,1cyclictest0-21swapper/121:55:111
324009960,1cyclictest0-21swapper/120:15:111
324009960,1cyclictest0-21swapper/100:00:111
324009960,0cyclictest0-21swapper/119:35:461
323969965,1cyclictest9-21ksoftirqd/020:50:150
323969965,1cyclictest9-21ksoftirqd/020:05:000
323969965,1cyclictest2398-21df20:20:110
323969965,1cyclictest2327-21munin-node20:35:110
323969965,1cyclictest11301-21snmpd19:51:070
323969962,3cyclictest0-21swapper/019:15:130
323969962,2cyclictest240-21systemd-journal21:05:000
323969961,2cyclictest0-21swapper/020:10:120
323969960,6cyclictest0-21swapper/020:49:150
323969960,5cyclictest4956-21netstat22:10:170
323969960,5cyclictest11182-21apt-get21:35:140
323969960,1cyclictest28026-21ssh00:15:120
324099954,1cyclictest29171-21ssh22:00:043
324099954,1cyclictest11301-21snmpd21:09:333
324099954,1cyclictest11301-21snmpd20:09:233
324099953,1cyclictest9118-21latency19:25:173
324099952,1cyclictest29578-21/usr/sbin/munin20:10:153
324099951,0cyclictest0-21swapper/320:40:163
324099950,3cyclictest18399-21apt-get20:55:143
324099950,2cyclictest0-21swapper/300:23:353
324029955,0cyclictest61650irq/122-eno121:00:072
324029955,0cyclictest61650irq/122-eno120:30:122
324029954,1cyclictest61650irq/122-eno119:50:122
324029950,4cyclictest5600-21apt-get19:20:142
324009955,0cyclictest0-21swapper/122:30:301
324009955,0cyclictest0-21swapper/121:31:211
324009955,0cyclictest0-21swapper/100:15:171
324009953,1cyclictest0-21swapper/122:40:131
324009951,1cyclictest0-21swapper/123:40:211
324009950,5cyclictest0-21swapper/121:05:501
324009950,5cyclictest0-21swapper/120:03:561
324009950,5cyclictest0-21swapper/119:25:341
324009950,5cyclictest0-21swapper/100:28:561
324009950,5cyclictest0-21swapper/100:10:531
324009950,4cyclictest0-21swapper/123:18:531
324009950,4cyclictest0-21swapper/119:13:251
324009950,3cyclictest0-21swapper/121:16:061
324009950,2cyclictest0-21swapper/123:25:101
324009950,2cyclictest0-21swapper/123:20:151
324009950,2cyclictest0-21swapper/123:10:491
324009950,2cyclictest0-21swapper/122:16:141
324009950,2cyclictest0-21swapper/122:12:271
324009950,2cyclictest0-21swapper/121:00:201
324009950,2cyclictest0-21swapper/120:45:101
324009950,1cyclictest0-21swapper/123:55:161
324009950,1cyclictest0-21swapper/123:45:011
324009950,0cyclictest0-21swapper/121:41:141
324009950,0cyclictest0-21swapper/121:25:331
324009950,0cyclictest0-21swapper/120:56:181
324009950,0cyclictest0-21swapper/119:40:381
324009950,0cyclictest0-21swapper/119:17:111
324099943,1cyclictest6851-21cpuspeed_turbos20:30:143
324009940,0cyclictest0-21swapper/120:40:161
324009940,0cyclictest0-21swapper/120:25:201
324009932,1cyclictest55852sleep119:20:031
324009931,1cyclictest0-21swapper/120:20:091
324009930,1cyclictest0-21swapper/120:05:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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