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2026-05-09 - 09:33
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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 Sat May 09, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19892204170,22sleep30-21swapper/319:05:383
325932202169,22sleep20-21swapper/219:05:052
325922202170,21sleep10-21swapper/119:05:041
23282201167,22sleep00-21swapper/019:09:530
1394918363,11phc2sys0-21swapper/319:10:023
2679996328,5cyclictest25-21ksoftirqd/122:55:161
2679996230,7cyclictest25-21ksoftirqd/122:50:201
9302600,3sleep0933-21hwlatdetect21:20:140
2679996030,4cyclictest25-21ksoftirqd/121:45:221
2679996029,6cyclictest25-21ksoftirqd/119:10:131
2679996027,4cyclictest25-21ksoftirqd/122:00:141
2679996027,4cyclictest25-21ksoftirqd/121:00:141
2679996027,10cyclictest25-21ksoftirqd/120:00:151
2679996027,10cyclictest25-21ksoftirqd/100:35:001
2679996026,6cyclictest25-21ksoftirqd/123:30:181
2679996022,4cyclictest25-21ksoftirqd/120:40:241
2679996020,4cyclictest25-21ksoftirqd/119:50:241
2679996020,10cyclictest25-21ksoftirqd/121:30:161
281652590,2sleep30-21swapper/323:25:133
2679995921,3cyclictest25-21ksoftirqd/119:30:241
2679995921,10cyclictest25-21ksoftirqd/121:55:161
2679995830,6cyclictest25-21ksoftirqd/120:45:261
2679995828,9cyclictest25-21ksoftirqd/100:35:131
2679995828,8cyclictest25-21ksoftirqd/122:20:241
2679995827,6cyclictest25-21ksoftirqd/120:10:241
2679995824,4cyclictest25-21ksoftirqd/121:40:231
2679995726,8cyclictest25-21ksoftirqd/122:45:151
2679995724,8cyclictest25-21ksoftirqd/100:15:141
2679995720,8cyclictest25-21ksoftirqd/123:00:201
2679995719,10cyclictest25-21ksoftirqd/121:20:211
2679995717,10cyclictest25-21ksoftirqd/123:35:241
267999566,4cyclictest17012-21basename19:40:001
2679995627,6cyclictest25-21ksoftirqd/123:25:531
2679995625,9cyclictest25-21ksoftirqd/119:55:181
2679995624,8cyclictest25-21ksoftirqd/120:25:251
267999556,7cyclictest25-21ksoftirqd/120:30:261
2679995525,7cyclictest25-21ksoftirqd/119:25:201
2679995522,7cyclictest25-21ksoftirqd/121:50:241
267999545,8cyclictest25-21ksoftirqd/123:45:241
2679995449,3cyclictest231rcuc/123:09:081
2679995425,9cyclictest25-21ksoftirqd/100:10:131
2679995425,7cyclictest25-21ksoftirqd/119:15:191
2679995419,8cyclictest25-21ksoftirqd/100:05:011
2679995419,4cyclictest25-21ksoftirqd/122:12:251
267999536,4cyclictest25-21ksoftirqd/100:00:251
267999535,8cyclictest25-21ksoftirqd/100:25:141
267999535,7cyclictest25-21ksoftirqd/122:15:241
267999535,7cyclictest25-21ksoftirqd/121:25:161
2679995318,8cyclictest25-21ksoftirqd/120:35:151
267999525,7cyclictest25-21ksoftirqd/123:15:221
267999525,7cyclictest25-21ksoftirqd/120:50:131
267999524,9cyclictest25-21ksoftirqd/119:40:181
267999524,7cyclictest25-21ksoftirqd/100:20:191
267999522,7cyclictest25-21ksoftirqd/120:15:161
2679995225,9cyclictest25-21ksoftirqd/122:05:141
2679995221,8cyclictest25-21ksoftirqd/119:50:001
2679995218,7cyclictest25-21ksoftirqd/121:10:241
250642520,2sleep30-21swapper/321:00:283
267999517,3cyclictest25-21ksoftirqd/121:35:131
267999515,7cyclictest25-21ksoftirqd/123:55:231
267999513,7cyclictest25-21ksoftirqd/123:20:221
2679995123,7cyclictest25-21ksoftirqd/123:40:131
2679995121,3cyclictest25-21ksoftirqd/122:40:151
2678995119,4cyclictest9-21ksoftirqd/023:20:170
267999505,9cyclictest25-21ksoftirqd/120:55:151
267999503,7cyclictest25-21ksoftirqd/120:20:221
2679995019,6cyclictest25-21ksoftirqd/120:05:251
267999501,8cyclictest25-21ksoftirqd/123:10:221
267999495,9cyclictest25-21ksoftirqd/122:30:241
268199481,28cyclictest20040-21kworker/3:219:42:133
2680994842,3cyclictest6139-21latency_hist22:40:012
267999485,7cyclictest25-21ksoftirqd/121:15:251
267999484,7cyclictest25-21ksoftirqd/119:20:251
2679994841,4cyclictest27826-21latency_hist21:10:001
267999472,2cyclictest121rcu_preempt22:25:231
2679994618,3cyclictest25-21ksoftirqd/122:35:151
2679994617,7cyclictest25-21ksoftirqd/123:50:151
2678994514,9cyclictest9-21ksoftirqd/022:30:190
2680994328,7cyclictest33-21ksoftirqd/221:00:202
139391420,0ptp4l401ktimersoftd/320:05:133
137512420,1sleep00-21swapper/000:00:240
268099416,7cyclictest33-21ksoftirqd/200:40:012
2680994136,3cyclictest26604-21idleruntime-cro22:15:002
139391410,0ptp4l401ktimersoftd/322:45:183
139391410,0ptp4l401ktimersoftd/322:38:163
2680994028,9cyclictest33-21ksoftirqd/222:15:252
2680994023,10cyclictest33-21ksoftirqd/200:00:242
2680994021,8cyclictest33-21ksoftirqd/223:55:172
267899404,7cyclictest9-21ksoftirqd/000:40:010
2678994035,3cyclictest9-21ksoftirqd/023:49:590
2678994035,3cyclictest9-21ksoftirqd/000:19:590
2680993934,3cyclictest33-21ksoftirqd/221:00:002
2680993927,3cyclictest33-21ksoftirqd/200:30:282
2678993934,3cyclictest9-21ksoftirqd/020:00:000
2678993934,2cyclictest9-21ksoftirqd/021:15:010
267899390,5cyclictest27345-21cstates20:00:130
139391390,0ptp4l401ktimersoftd/320:45:153
2680993832,4cyclictest33-21ksoftirqd/219:12:032
2680993827,9cyclictest321ktimersoftd/219:15:212
2678993833,3cyclictest9-21ksoftirqd/020:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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