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2026-05-26 - 19:48
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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 Tue May 26, 2026 12:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130052230152,21sleep20-21swapper/207:05:012
151002223159,50sleep30-21swapper/307:06:423
152762213149,21sleep00-21swapper/007:09:000
152672201161,26sleep10-21swapper/107:08:541
74392600,0sleep10-21swapper/109:50:131
249452570,0sleep00-21swapper/008:35:150
15428991916,3cyclictest28-21ksoftirqd/212:04:512
316662170,0sleep08486-21diskmemload11:05:180
215002150,0sleep00-21swapper/007:20:140
15428991514,1cyclictest28-21ksoftirqd/211:49:182
1543699140,0cyclictest0-21swapper/307:57:113
15428991413,1cyclictest28-21ksoftirqd/207:40:142
15428991412,1cyclictest28-21ksoftirqd/210:40:122
15428991412,1cyclictest28-21ksoftirqd/210:05:182
15436991210,1cyclictest35-21ksoftirqd/310:35:153
1542699123,4cyclictest3806-21perf09:00:000
15426991211,1cyclictest9-21ksoftirqd/011:30:000
15426991210,1cyclictest9-21ksoftirqd/011:05:000
1542699120,12cyclictest0-21swapper/011:40:120
1542899119,1cyclictest315021/usr/sbin/munin08:50:152
1542899119,1cyclictest28-21ksoftirqd/210:25:102
1542899119,1cyclictest28-21ksoftirqd/210:14:592
1542899119,1cyclictest28-21ksoftirqd/207:40:002
1542899118,1cyclictest28-21ksoftirqd/207:49:592
15428991110,1cyclictest28-21ksoftirqd/212:30:202
15428991110,1cyclictest28-21ksoftirqd/211:10:112
1542799111,2cyclictest0-21swapper/108:55:091
15426991110,1cyclictest9-21ksoftirqd/009:55:140
15426991110,1cyclictest9-21ksoftirqd/009:55:140
15426991110,1cyclictest9-21ksoftirqd/008:20:110
1543699109,1cyclictest35-21ksoftirqd/312:15:133
1542899109,1cyclictest28-21ksoftirqd/212:25:092
1542899109,1cyclictest28-21ksoftirqd/212:05:022
1542899109,1cyclictest28-21ksoftirqd/211:39:032
1542899109,1cyclictest28-21ksoftirqd/210:48:242
1542899109,1cyclictest28-21ksoftirqd/210:37:382
1542899109,1cyclictest28-21ksoftirqd/210:15:102
1542899109,1cyclictest28-21ksoftirqd/209:45:292
1542899109,1cyclictest28-21ksoftirqd/209:32:562
1542899109,1cyclictest28-21ksoftirqd/207:20:182
1542899109,0cyclictest28-21ksoftirqd/212:10:222
1542899108,1cyclictest28-21ksoftirqd/211:20:192
1542899108,1cyclictest28-21ksoftirqd/211:15:152
1542899108,1cyclictest28-21ksoftirqd/211:00:012
1542899108,1cyclictest28-21ksoftirqd/208:20:142
15428991010,0cyclictest28-21ksoftirqd/212:35:162
15428991010,0cyclictest28-21ksoftirqd/209:40:172
1542699109,1cyclictest9-21ksoftirqd/012:40:000
1542699109,1cyclictest9-21ksoftirqd/007:49:590
1542699107,1cyclictest18004-1kworker/u9:109:34:590
15426991010,0cyclictest9-21ksoftirqd/010:20:190
1542699101,7cyclictest17796-21munin-node12:03:210
2092290,1sleep00-21swapper/011:52:370
16521290,0sleep00-21swapper/012:11:110
154369998,0cyclictest196322sleep309:23:373
154369997,1cyclictest35-21ksoftirqd/309:00:003
154369990,6cyclictest1305-21kworker/u8:010:00:323
154289999,0cyclictest32011-21sh11:50:132
154289999,0cyclictest28-21ksoftirqd/211:40:212
154289999,0cyclictest28-21ksoftirqd/210:03:572
154289999,0cyclictest0-21swapper/211:56:522
154289998,1cyclictest28-21ksoftirqd/211:25:392
154289998,1cyclictest28-21ksoftirqd/210:34:022
154289998,1cyclictest28-21ksoftirqd/210:20:562
154289998,1cyclictest28-21ksoftirqd/209:55:102
154289998,1cyclictest28-21ksoftirqd/209:55:102
154289998,1cyclictest28-21ksoftirqd/209:35:152
154289998,1cyclictest28-21ksoftirqd/209:10:002
154289998,1cyclictest28-21ksoftirqd/208:35:002
154289998,1cyclictest28-21ksoftirqd/207:15:142
154289997,1cyclictest28-21ksoftirqd/209:21:582
154289997,1cyclictest28-21ksoftirqd/209:14:512
154289997,1cyclictest28-21ksoftirqd/208:40:142
154289997,1cyclictest28-21ksoftirqd/207:55:002
154269998,1cyclictest9-21ksoftirqd/012:25:100
154269998,1cyclictest9-21ksoftirqd/012:09:590
154269998,1cyclictest9-21ksoftirqd/010:50:000
154269998,1cyclictest9-21ksoftirqd/010:25:000
154269998,1cyclictest9-21ksoftirqd/009:15:140
154269998,1cyclictest9-21ksoftirqd/008:20:010
154269997,1cyclictest9-21ksoftirqd/010:10:140
154269990,4cyclictest25786-21cut07:30:000
154369981,4cyclictest28216-21apt-get11:45:113
154369980,5cyclictest0-21swapper/309:45:103
154369980,4cyclictest0-21swapper/310:53:583
154289987,1cyclictest28-21ksoftirqd/212:16:002
154289987,1cyclictest28-21ksoftirqd/211:30:152
154289987,1cyclictest28-21ksoftirqd/211:30:152
154289987,1cyclictest28-21ksoftirqd/211:05:572
154289987,1cyclictest28-21ksoftirqd/211:02:172
154289987,1cyclictest28-21ksoftirqd/210:52:042
154289987,1cyclictest28-21ksoftirqd/209:50:102
154289987,1cyclictest28-21ksoftirqd/209:15:042
154289987,1cyclictest28-21ksoftirqd/207:10:192
154289987,0cyclictest28-21ksoftirqd/212:20:282
154289986,1cyclictest28-21ksoftirqd/209:00:002
154289986,1cyclictest28-21ksoftirqd/208:20:012
154289980,7cyclictest26598-21kworker/u8:108:10:182
154289980,7cyclictest0-21swapper/208:45:142
154279980,4cyclictest0-21swapper/111:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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