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2026-06-28 - 18:57
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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 rackdslot4.osadl.org (updated Sun Jun 28, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
84732208173,23sleep30-21swapper/307:08:293
83182202170,21sleep20-21swapper/207:06:272
83102201168,22sleep10-21swapper/107:06:221
82492200168,21sleep00-21swapper/007:05:320
397621680,6sleep1889099cyclictest09:10:131
85982160121,13sleep20-21swapper/207:10:012
53152660,3sleep35318-21unixbench_singl11:20:253
76922570,2sleep00-21swapper/012:30:240
138491560,1ptp4l401ktimersoftd/311:27:083
138491560,1ptp4l401ktimersoftd/310:12:303
86642530,2sleep10-21swapper/111:30:141
138491530,1ptp4l401ktimersoftd/310:28:483
138491530,1ptp4l401ktimersoftd/307:51:323
8891994819,26cyclictest0-21swapper/211:40:252
889199461,42cyclictest13127-21latency_hist11:40:012
138491430,0ptp4l401ktimersoftd/312:08:443
138491430,0ptp4l401ktimersoftd/310:40:073
8890994034,3cyclictest29147-21grep11:05:181
8892993933,3cyclictest775-21ls09:05:003
8890993931,5cyclictest25-21ksoftirqd/111:40:001
138491390,16ptp4l401ktimersoftd/308:45:253
138491380,0ptp4l401ktimersoftd/308:10:123
8892993731,4cyclictest41-21ksoftirqd/311:07:573
8892993730,4cyclictest41-21ksoftirqd/308:23:583
8892993722,5cyclictest41-21ksoftirqd/309:20:153
8891993731,4cyclictest33-21ksoftirqd/211:03:252
889199370,35cyclictest0-21swapper/211:15:242
8889993730,4cyclictest9-21ksoftirqd/009:15:010
138491370,1ptp4l401ktimersoftd/308:55:003
8892993630,4cyclictest41-21ksoftirqd/311:00:353
8891993631,3cyclictest33-21ksoftirqd/208:37:452
8891993630,4cyclictest33-21ksoftirqd/209:57:372
8891993630,4cyclictest33-21ksoftirqd/207:51:122
8891993630,4cyclictest33-21ksoftirqd/207:43:492
8890993630,4cyclictest25-21ksoftirqd/111:15:301
8890993629,4cyclictest25-21ksoftirqd/109:35:051
8889993630,4cyclictest9-21ksoftirqd/011:59:540
8889993630,4cyclictest9-21ksoftirqd/011:59:540
8892993529,4cyclictest41-21ksoftirqd/312:03:343
8892993529,4cyclictest41-21ksoftirqd/310:20:323
8892993529,4cyclictest41-21ksoftirqd/309:42:203
8892993529,4cyclictest41-21ksoftirqd/308:07:463
8892993529,4cyclictest41-21ksoftirqd/308:07:463
8892993529,4cyclictest41-21ksoftirqd/308:01:353
8892993528,4cyclictest41-21ksoftirqd/307:44:593
8891993529,4cyclictest33-21ksoftirqd/212:12:592
8891993529,4cyclictest33-21ksoftirqd/212:07:352
8891993529,4cyclictest33-21ksoftirqd/210:44:172
8891993529,4cyclictest33-21ksoftirqd/209:39:032
8891993529,4cyclictest33-21ksoftirqd/207:18:342
8891993528,5cyclictest33-21ksoftirqd/211:13:182
8890993529,4cyclictest25-21ksoftirqd/111:28:491
8890993529,4cyclictest25-21ksoftirqd/110:19:381
8890993529,4cyclictest25-21ksoftirqd/110:00:161
8890993529,4cyclictest25-21ksoftirqd/109:20:331
8890993529,4cyclictest25-21ksoftirqd/108:25:361
8890993529,4cyclictest25-21ksoftirqd/107:47:261
8890993528,5cyclictest25-21ksoftirqd/109:43:511
8889993529,4cyclictest9-21ksoftirqd/012:03:240
8889993529,4cyclictest9-21ksoftirqd/011:20:270
8889993529,4cyclictest9-21ksoftirqd/008:43:450
8892993428,4cyclictest41-21ksoftirqd/309:31:383
8892993428,3cyclictest41-21ksoftirqd/308:40:123
8892993428,3cyclictest22977-21cron10:54:593
8891993429,3cyclictest33-21ksoftirqd/210:25:122
8891993428,4cyclictest33-21ksoftirqd/212:25:472
8891993428,4cyclictest33-21ksoftirqd/212:22:422
8891993428,4cyclictest33-21ksoftirqd/210:45:462
8891993428,4cyclictest33-21ksoftirqd/210:00:172
8891993428,4cyclictest33-21ksoftirqd/209:03:322
8890993428,4cyclictest25-21ksoftirqd/112:06:081
8890993428,4cyclictest25-21ksoftirqd/111:59:191
8890993428,4cyclictest25-21ksoftirqd/111:59:181
8890993428,4cyclictest25-21ksoftirqd/111:52:541
8890993428,4cyclictest25-21ksoftirqd/111:40:411
8890993428,4cyclictest25-21ksoftirqd/111:10:401
8890993428,4cyclictest25-21ksoftirqd/110:34:461
8890993428,4cyclictest25-21ksoftirqd/110:21:351
8890993428,4cyclictest25-21ksoftirqd/109:58:201
8890993428,4cyclictest25-21ksoftirqd/108:12:011
8890993428,3cyclictest27786-21md.daily11:03:241
8890993427,5cyclictest25-21ksoftirqd/107:59:371
8890993427,4cyclictest25-21ksoftirqd/110:40:111
8889993429,3cyclictest9-21ksoftirqd/011:00:000
8889993428,4cyclictest9-21ksoftirqd/011:45:500
8889993428,4cyclictest9-21ksoftirqd/011:31:020
8889993428,4cyclictest9-21ksoftirqd/010:16:360
8889993428,4cyclictest9-21ksoftirqd/009:21:160
8892993328,3cyclictest41-21ksoftirqd/312:29:253
8892993328,3cyclictest41-21ksoftirqd/311:40:053
8892993327,4cyclictest41-21ksoftirqd/309:49:313
8892993327,4cyclictest41-21ksoftirqd/309:49:313
8892993327,4cyclictest41-21ksoftirqd/307:49:083
8891993328,3cyclictest33-21ksoftirqd/210:17:322
8891993328,3cyclictest33-21ksoftirqd/207:20:112
8891993327,4cyclictest33-21ksoftirqd/211:07:492
8891993327,4cyclictest33-21ksoftirqd/210:10:412
8891993327,4cyclictest33-21ksoftirqd/209:06:022
8891993327,4cyclictest33-21ksoftirqd/208:53:382
8891993327,3cyclictest33-21ksoftirqd/211:21:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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