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2026-08-01 - 03:29
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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 100 highest latencies:
System rack1slot1.osadl.org (updated Sat Aug 01, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211472218157,47sleep10-21swapper/119:07:061
213152217151,22sleep00-21swapper/019:09:170
213452202162,25sleep30-21swapper/319:09:403
213662201162,25sleep20-21swapper/219:09:562
209702570,0sleep10-21swapper/100:24:251
304512170,1sleep030454-21pmu-power21:30:190
280622150,0sleep00-21swapper/021:27:340
21470991311,1cyclictest7670-21apt-get21:45:112
2147099130,1cyclictest31220-21ssh00:38:262
2147099129,1cyclictest28-21ksoftirqd/219:55:002
2147099120,11cyclictest14309-21diskmemload23:00:122
21465991111,0cyclictest0-21swapper/120:11:041
92492100,0sleep014309-21diskmemload22:31:590
2147099100,3cyclictest0-21swapper/221:10:112
2145799108,1cyclictest9-21ksoftirqd/020:30:010
2145799108,1cyclictest9-21ksoftirqd/019:54:590
2145799108,1cyclictest9-21ksoftirqd/000:25:010
214789998,1cyclictest35-21ksoftirqd/323:45:013
214709999,0cyclictest0-21swapper/200:20:172
214579998,1cyclictest9-21ksoftirqd/020:03:180
17188290,0sleep20-21swapper/222:44:542
214789987,1cyclictest11301-21snmpd23:14:573
214789986,1cyclictest35-21ksoftirqd/321:50:013
214789986,1cyclictest11301-21snmpd23:36:303
214789986,1cyclictest11301-21snmpd22:37:493
214789986,1cyclictest11301-21snmpd20:46:043
214789982,5cyclictest23814-21munin-node00:00:373
214789980,6cyclictest32560-21sed19:30:133
214789980,3cyclictest4901-21apt-get20:50:113
214709986,2cyclictest28-21ksoftirqd/220:46:282
214709986,1cyclictest61650irq/122-eno123:40:152
214709986,1cyclictest61650irq/122-eno123:36:422
214709986,1cyclictest61650irq/122-eno121:40:002
214709986,1cyclictest61650irq/122-eno121:15:162
214709986,1cyclictest61650irq/122-eno121:15:162
214709986,1cyclictest11301-21snmpd21:20:492
214709980,8cyclictest0-21swapper/221:58:082
214709980,6cyclictest3523-21kworker/u8:023:33:372
214709980,6cyclictest3523-21kworker/u8:023:33:362
214659985,3cyclictest0-21swapper/122:23:311
214659985,0cyclictest0-21swapper/122:45:531
214659981,3cyclictest0-21swapper/121:35:111
214659980,4cyclictest0-21swapper/122:37:341
214579987,1cyclictest9-21ksoftirqd/021:20:010
214579987,1cyclictest9-21ksoftirqd/021:20:000
214579987,1cyclictest9-21ksoftirqd/021:10:010
214579987,1cyclictest9-21ksoftirqd/019:39:590
214579987,1cyclictest18252-21kworker/0:222:22:270
214579986,1cyclictest9-21ksoftirqd/020:40:000
214579986,1cyclictest11301-21snmpd20:13:210
214579986,1cyclictest11301-21snmpd19:44:080
214579982,1cyclictest24520-21/usr/sbin/munin22:55:140
214579981,6cyclictest20079-21ssh23:35:010
214579981,6cyclictest20079-21ssh23:35:000
214579980,5cyclictest0-21swapper/020:30:110
214579980,4cyclictest21526-21perf22:05:010
214789976,1cyclictest4349-21cat22:25:153
214789976,1cyclictest35-21ksoftirqd/320:15:013
214789976,1cyclictest35-21ksoftirqd/300:10:103
214789976,1cyclictest11301-21snmpd20:04:483
214789976,1cyclictest11301-21snmpd00:26:553
214789975,1cyclictest22535-21cat19:10:143
214789975,1cyclictest11301-21snmpd22:20:313
214789975,1cyclictest11301-21snmpd19:41:283
214789975,1cyclictest11301-21snmpd00:38:043
214789974,1cyclictest240-21systemd-journal20:20:013
214789972,4cyclictest18237-21apt-get22:00:123
214789972,2cyclictest240-21systemd-journal19:20:013
214789971,3cyclictest14309-21diskmemload21:51:293
214789970,3cyclictest0-21swapper/321:16:263
214789970,3cyclictest0-21swapper/321:16:263
214709976,1cyclictest8103-21sh23:15:552
214709976,1cyclictest61650irq/122-eno121:26:172
214709976,1cyclictest11301-21snmpd23:11:282
214709975,1cyclictest61650irq/122-eno123:45:142
214709975,1cyclictest61650irq/122-eno122:15:132
214709975,1cyclictest4349-21ssh23:57:032
214709975,1cyclictest11301-21snmpd00:19:212
214709975,1cyclictest11301-21snmpd00:19:212
214709972,4cyclictest61650irq/122-eno100:14:292
214709971,6cyclictest0-21swapper/219:33:462
214709970,7cyclictest0-21swapper/200:01:192
214709970,6cyclictest0-21swapper/222:36:462
214709970,6cyclictest0-21swapper/220:04:232
214709970,1cyclictest693-21runrttasks22:09:482
214659974,0cyclictest0-21swapper/121:05:101
214659971,6cyclictest203-21jbd2/sda2-822:50:591
214659971,2cyclictest0-21swapper/100:15:111
214659971,2cyclictest0-21swapper/100:15:111
214659970,6cyclictest0-21swapper/120:21:291
214659970,6cyclictest0-21swapper/100:30:201
214659970,5cyclictest0-21swapper/119:35:191
214659970,4cyclictest0-21swapper/121:34:321
214659970,4cyclictest0-21swapper/100:00:161
214659970,2cyclictest0-21swapper/100:35:261
214579976,1cyclictest9-21ksoftirqd/023:04:590
214579976,1cyclictest9-21ksoftirqd/021:57:210
214579976,1cyclictest9-21ksoftirqd/020:49:590
214579976,1cyclictest24971-21ssh00:30:120
214579976,1cyclictest0-21swapper/021:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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