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2026-07-29 - 03:18
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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 rackdslot3.osadl.org (updated Tue Jul 28, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
186392204172,21sleep20-21swapper/207:05:462
187862203170,22sleep00-21swapper/007:07:410
187272203170,22sleep10-21swapper/107:06:531
139491203170,22phc2sys0-21swapper/307:06:233
2254021530,5sleep31926999cyclictest10:35:283
19268996524,5cyclictest33-21ksoftirqd/210:00:162
19268996326,6cyclictest33-21ksoftirqd/211:25:142
19268996223,6cyclictest33-21ksoftirqd/208:20:152
1926899616,4cyclictest16385-21cron09:20:002
19268996130,9cyclictest33-21ksoftirqd/211:55:252
19268996025,11cyclictest33-21ksoftirqd/207:57:032
19268996022,6cyclictest33-21ksoftirqd/209:40:152
19268995930,5cyclictest33-21ksoftirqd/212:15:132
19268995827,11cyclictest33-21ksoftirqd/211:22:232
19268995826,5cyclictest33-21ksoftirqd/210:55:132
19268995822,5cyclictest33-21ksoftirqd/210:15:282
19268995728,9cyclictest33-21ksoftirqd/212:35:152
19268995728,9cyclictest33-21ksoftirqd/212:35:142
19268995726,7cyclictest33-21ksoftirqd/211:10:202
19268995723,6cyclictest33-21ksoftirqd/210:35:272
19268995721,7cyclictest33-21ksoftirqd/211:16:032
19268995628,9cyclictest33-21ksoftirqd/209:00:162
19268995625,5cyclictest33-21ksoftirqd/207:35:142
19268995621,9cyclictest33-21ksoftirqd/209:25:182
19268995621,6cyclictest33-21ksoftirqd/208:50:182
19268995523,9cyclictest33-21ksoftirqd/207:45:152
19268995522,9cyclictest33-21ksoftirqd/207:33:092
19268995518,5cyclictest33-21ksoftirqd/210:45:172
19266995528,8cyclictest9-21ksoftirqd/008:05:170
139391550,1ptp4l401ktimersoftd/312:36:333
139391550,1ptp4l401ktimersoftd/312:36:333
19268995426,6cyclictest33-21ksoftirqd/208:35:212
19268995425,9cyclictest33-21ksoftirqd/211:45:012
19268995424,4cyclictest33-21ksoftirqd/208:45:142
19268995424,4cyclictest33-21ksoftirqd/208:45:142
19268995422,5cyclictest33-21ksoftirqd/209:55:222
19268995422,5cyclictest33-21ksoftirqd/209:55:222
19268995420,7cyclictest33-21ksoftirqd/209:54:292
19268995420,5cyclictest33-21ksoftirqd/212:30:202
19268995419,7cyclictest33-21ksoftirqd/209:32:352
1926899535,7cyclictest33-21ksoftirqd/208:40:292
19268995325,9cyclictest33-21ksoftirqd/209:45:242
19268995324,8cyclictest33-21ksoftirqd/208:25:142
19268995322,9cyclictest33-21ksoftirqd/209:40:002
19268995322,5cyclictest33-21ksoftirqd/209:15:002
19268995321,9cyclictest33-21ksoftirqd/207:29:402
19268995321,6cyclictest33-21ksoftirqd/211:50:242
19268995321,10cyclictest33-21ksoftirqd/208:00:212
19268995320,8cyclictest33-21ksoftirqd/207:10:222
19268995320,6cyclictest33-21ksoftirqd/208:10:242
19268995319,8cyclictest33-21ksoftirqd/210:24:192
19268995319,10cyclictest33-21ksoftirqd/212:20:182
19266995326,8cyclictest9-21ksoftirqd/008:50:260
1926899525,7cyclictest33-21ksoftirqd/208:10:002
19268995223,4cyclictest33-21ksoftirqd/210:50:182
19268995221,6cyclictest33-21ksoftirqd/210:30:272
19268995219,7cyclictest33-21ksoftirqd/207:52:102
19268995218,9cyclictest33-21ksoftirqd/210:12:152
19268995218,7cyclictest33-21ksoftirqd/211:00:202
19268995218,7cyclictest33-21ksoftirqd/208:58:422
19268995218,5cyclictest33-21ksoftirqd/211:35:072
19266995227,8cyclictest9-21ksoftirqd/007:50:190
1926899516,6cyclictest33-21ksoftirqd/212:00:262
19268995120,5cyclictest33-21ksoftirqd/211:30:292
1926899511,6cyclictest33-21ksoftirqd/207:25:002
1926899506,7cyclictest33-21ksoftirqd/210:10:012
1926899502,9cyclictest33-21ksoftirqd/212:05:222
1926699502,6cyclictest6074-21dump-pmu-power10:05:000
1926899494,6cyclictest33-21ksoftirqd/211:05:212
1926899494,6cyclictest33-21ksoftirqd/211:05:212
1926899494,6cyclictest33-21ksoftirqd/208:20:002
1926899493,4cyclictest33-21ksoftirqd/211:45:142
19269994843,3cyclictest18774-21sh09:25:003
19268994819,5cyclictest33-21ksoftirqd/208:30:152
19266994824,6cyclictest9-21ksoftirqd/011:05:010
19266994823,9cyclictest9-21ksoftirqd/012:15:160
1926899473,4cyclictest33-21ksoftirqd/210:25:182
1926899472,6cyclictest33-21ksoftirqd/207:40:242
1926899470,8cyclictest33-21ksoftirqd/212:25:122
1926899464,3cyclictest33-21ksoftirqd/209:20:192
1926899462,6cyclictest33-21ksoftirqd/209:05:202
1926899462,5cyclictest33-21ksoftirqd/212:10:202
1926699463,6cyclictest9-21ksoftirqd/009:35:290
19268994517,7cyclictest33-21ksoftirqd/210:45:012
1926699453,3cyclictest9-21ksoftirqd/011:55:260
1926699452,5cyclictest9-21ksoftirqd/008:40:180
19266994516,3cyclictest9-21ksoftirqd/010:26:290
1926899441,10cyclictest33-21ksoftirqd/207:15:252
1926699444,6cyclictest11610-21ps08:00:180
19266994417,6cyclictest9-21ksoftirqd/008:58:220
1926699441,5cyclictest10191-21cat12:25:260
19266994415,3cyclictest9-21ksoftirqd/008:17:060
139391440,0ptp4l401ktimersoftd/308:36:503
1926699433,6cyclictest9-21ksoftirqd/011:45:010
19266994327,9cyclictest9-21ksoftirqd/008:30:280
139391430,0ptp4l401ktimersoftd/307:20:253
19267994235,5cyclictest25-21ksoftirqd/107:50:001
19266994239,2cyclictest111rcuc/009:45:260
1926699423,7cyclictest9-21ksoftirqd/009:30:000
1926699422,7cyclictest9-21ksoftirqd/012:06:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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