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2025-11-17 - 23:15
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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 Mon Nov 17, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105462216149,21sleep00-21swapper/007:05:360
107732213179,22sleep10-21swapper/107:08:341
106262209132,25sleep30-21swapper/307:06:393
108112198158,27sleep20-21swapper/207:09:052
213792730,0sleep10-21swapper/109:30:391
112732160,0sleep10-21swapper/109:18:511
10980991513,1cyclictest9-21ksoftirqd/011:50:000
10997991414,0cyclictest28-21ksoftirqd/212:19:092
10997991413,1cyclictest28-21ksoftirqd/210:26:002
10997991313,0cyclictest28-21ksoftirqd/210:03:302
10997991312,1cyclictest28-21ksoftirqd/209:20:002
10997991311,1cyclictest28-21ksoftirqd/211:07:352
1098099130,12cyclictest0-21swapper/011:40:200
11010991211,1cyclictest4287-21diskmemload12:27:273
10997991211,1cyclictest28-21ksoftirqd/212:00:012
10997991211,1cyclictest28-21ksoftirqd/210:35:222
10997991211,1cyclictest28-21ksoftirqd/209:50:222
10997991210,1cyclictest28-21ksoftirqd/210:55:482
10997991210,1cyclictest28-21ksoftirqd/210:50:242
1098999120,11cyclictest0-21swapper/108:35:221
10980991211,1cyclictest9-21ksoftirqd/010:24:330
10980991210,1cyclictest9-21ksoftirqd/012:05:000
10980991210,1cyclictest9-21ksoftirqd/008:20:010
10980991210,1cyclictest9-21ksoftirqd/007:40:010
11010991110,1cyclictest35-21ksoftirqd/307:20:003
1099799119,1cyclictest28-21ksoftirqd/212:10:172
1099799119,1cyclictest28-21ksoftirqd/211:55:142
1099799119,1cyclictest28-21ksoftirqd/210:15:292
1099799119,1cyclictest28-21ksoftirqd/209:42:192
1099799119,1cyclictest28-21ksoftirqd/209:20:192
1099799119,1cyclictest28-21ksoftirqd/208:50:162
1099799119,1cyclictest28-21ksoftirqd/207:55:002
1099799118,1cyclictest28-21ksoftirqd/209:56:022
10997991111,0cyclictest28-21ksoftirqd/210:06:462
10997991110,1cyclictest28-21ksoftirqd/212:27:382
10997991110,1cyclictest28-21ksoftirqd/211:50:002
10997991110,1cyclictest28-21ksoftirqd/211:25:222
10997991110,1cyclictest28-21ksoftirqd/211:20:172
10997991110,1cyclictest28-21ksoftirqd/211:19:402
10997991110,1cyclictest28-21ksoftirqd/211:05:002
10997991110,1cyclictest28-21ksoftirqd/210:14:592
10997991110,1cyclictest28-21ksoftirqd/209:45:202
10997991110,1cyclictest28-21ksoftirqd/209:31:542
10997991110,1cyclictest28-21ksoftirqd/209:13:092
1099799110,11cyclictest60950irq/123-eno111:44:182
1098099112,4cyclictest15435-21sort12:25:000
1098099110,5cyclictest23683-21perf07:35:000
1101099100,7cyclictest13329-21munin-node12:22:193
1099799109,1cyclictest28-21ksoftirqd/212:38:022
1099799109,1cyclictest28-21ksoftirqd/212:24:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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