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2024-04-26 - 19:50
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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 50 highest latencies:
System rack1slot1.osadl.org (updated Fri Apr 26, 2024 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253092212149,21sleep30-21swapper/307:06:193
252542211148,21sleep00-21swapper/007:05:360
254572203163,26sleep20-21swapper/207:08:152
255082198159,26sleep10-21swapper/107:08:551
316312630,0sleep20-21swapper/209:30:002
316312630,0sleep20-21swapper/209:30:002
52402130,0sleep00-21swapper/008:45:100
2568399123,4cyclictest32314-21perf11:40:000
2569899119,2cyclictest8849-21snmpd12:21:442
2569899119,1cyclictest28-21ksoftirqd/210:01:192
25706991010,0cyclictest0-21swapper/308:50:583
2569899108,1cyclictest28-21ksoftirqd/211:25:002
2569899108,1cyclictest28-21ksoftirqd/210:55:382
2568399108,1cyclictest9-21ksoftirqd/008:09:590
2568399106,3cyclictest757-21runrttasks11:20:520
2568399100,7cyclictest28038-21munin-node11:14:050
257069999,0cyclictest35-21ksoftirqd/311:35:003
256989999,0cyclictest0-21swapper/210:23:062
256989992,4cyclictest16797-21diskmemload10:15:152
256989990,4cyclictest259-21systemd-journal07:15:002
256909999,0cyclictest0-21swapper/107:51:581
256909998,1cyclictest0-21swapper/110:55:181
256909990,7cyclictest0-21swapper/109:21:361
256839995,3cyclictest3346-21ssh11:44:310
256839990,4cyclictest6562-21gpgv09:40:000
256839990,1cyclictest259-21systemd-journal07:40:010
16071290,0sleep00-21swapper/011:16:010
16071290,0sleep00-21swapper/011:16:010
257069987,1cyclictest8849-21snmpd11:36:263
257069987,1cyclictest299552sleep309:25:303
257069987,1cyclictest299552sleep309:25:303
257069986,1cyclictest8849-21snmpd09:15:003
257069986,1cyclictest8849-21snmpd08:11:133
257069986,1cyclictest8849-21snmpd08:04:133
257069984,2cyclictest259-21systemd-journal10:59:153
257069981,0cyclictest0-21swapper/308:55:203
256989986,2cyclictest28-21ksoftirqd/210:45:192
256989986,1cyclictest8849-21snmpd10:29:092
256989986,1cyclictest61250irq/122-eno111:55:212
256989986,1cyclictest61250irq/122-eno111:39:592
256989986,1cyclictest28-21ksoftirqd/209:40:012
256989986,1cyclictest28-21ksoftirqd/208:45:002
256989983,2cyclictest259-21systemd-journal10:54:592
256989982,3cyclictest16797-21diskmemload10:10:082
256989981,6cyclictest25679-21cyclictest11:09:362
256989980,8cyclictest25679-21cyclictest10:05:242
256989980,1cyclictest0-21swapper/209:15:192
256909981,6cyclictest0-21swapper/107:21:061
256909981,3cyclictest0-21swapper/111:07:251
256909980,5cyclictest0-21swapper/110:40:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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