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2026-06-24 - 04:16
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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 Wed Jun 24, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591233167,23phc2sys0-21swapper/319:05:403
73472204169,23sleep00-21swapper/019:09:580
70252204170,22sleep10-21swapper/119:05:491
70542202170,21sleep20-21swapper/219:06:102
1385918662,15phc2sys0-21swapper/319:10:003
66332620,2sleep10-21swapper/120:10:271
75332590,3sleep20-21swapper/223:30:152
764499563,8cyclictest22166-21ls20:45:012
7644995627,9cyclictest33-21ksoftirqd/219:25:252
7644995627,8cyclictest33-21ksoftirqd/200:00:232
7644995529,8cyclictest33-21ksoftirqd/222:30:252
7644995524,8cyclictest33-21ksoftirqd/200:25:002
7644995328,9cyclictest33-21ksoftirqd/221:40:162
7644995228,9cyclictest33-21ksoftirqd/219:10:132
179812520,2sleep30-21swapper/323:50:213
7644994917,3cyclictest33-21ksoftirqd/200:34:402
764499491,46cyclictest0-21swapper/220:50:232
7644994818,7cyclictest33-21ksoftirqd/219:53:312
7644994818,3cyclictest33-21ksoftirqd/222:12:062
165592480,3sleep10-21swapper/121:35:311
764499465,7cyclictest33-21ksoftirqd/223:25:262
7644994628,10cyclictest33-21ksoftirqd/220:10:252
764499462,5cyclictest321ktimersoftd/221:45:132
7644994617,3cyclictest33-21ksoftirqd/223:58:092
7644994617,3cyclictest33-21ksoftirqd/219:23:262
138491460,1ptp4l391rcuc/320:55:573
764499451,6cyclictest2956-21irqrtprio23:20:202
7644994516,3cyclictest33-21ksoftirqd/222:23:462
764499444,6cyclictest321ktimersoftd/220:45:142
764499444,5cyclictest321ktimersoftd/222:15:142
7644994421,10cyclictest33-21ksoftirqd/223:00:172
764399446,3cyclictest121rcu_preempt00:15:231
7642994339,3cyclictest9-21ksoftirqd/020:00:000
7642994337,3cyclictest27477-21fschecks_count23:05:160
138491430,0ptp4l401ktimersoftd/319:35:213
764499425,6cyclictest33-21ksoftirqd/221:00:232
764499424,7cyclictest19864-21cut19:34:592
764399425,3cyclictest25-21ksoftirqd/120:25:051
7643994237,2cyclictest241ktimersoftd/119:25:201
7642994237,3cyclictest9-21ksoftirqd/022:14:590
7642994237,3cyclictest21964-21idleruntime-cro20:45:010
764499414,4cyclictest33-21ksoftirqd/221:33:352
764499412,6cyclictest9666-21cut20:20:012
7644994125,9cyclictest33-21ksoftirqd/223:35:162
7644994124,9cyclictest33-21ksoftirqd/219:45:182
7642994137,2cyclictest9-21ksoftirqd/020:50:010
138491410,0ptp4l401ktimersoftd/322:50:143
764499405,3cyclictest33-21ksoftirqd/221:25:272
7644994037,2cyclictest311rcuc/220:09:582
7644994035,3cyclictest311rcuc/200:05:272
7644994023,10cyclictest33-21ksoftirqd/221:00:002
7644994022,10cyclictest33-21ksoftirqd/200:25:152
7644994011,6cyclictest33-21ksoftirqd/219:43:392
764399402,3cyclictest25-21ksoftirqd/119:23:501
7642994025,3cyclictest9-21ksoftirqd/023:20:150
7642994024,4cyclictest9-21ksoftirqd/021:20:140
764299402,2cyclictest121rcu_preempt20:39:170
138491400,1ptp4l401ktimersoftd/321:00:143
7645993921,16cyclictest41-21ksoftirqd/300:04:253
764499393,6cyclictest33-21ksoftirqd/221:55:002
764499393,6cyclictest33-21ksoftirqd/221:55:002
764499393,5cyclictest18239-21ps23:50:242
7644993935,3cyclictest33-21ksoftirqd/220:34:592
7642993934,3cyclictest9-21ksoftirqd/019:39:590
7642993926,3cyclictest9-21ksoftirqd/021:00:140
7642993924,4cyclictest9-21ksoftirqd/022:35:220
7642993924,4cyclictest9-21ksoftirqd/022:35:210
7642993924,4cyclictest9-21ksoftirqd/000:20:170
7642993924,4cyclictest9-21ksoftirqd/000:05:300
7642993924,3cyclictest9-21ksoftirqd/000:15:120
7642993923,4cyclictest9-21ksoftirqd/023:35:240
7642993923,4cyclictest9-21ksoftirqd/020:50:250
7642993923,4cyclictest9-21ksoftirqd/019:30:120
764499384,5cyclictest33-21ksoftirqd/222:38:582
764499384,5cyclictest33-21ksoftirqd/222:38:582
7644993834,3cyclictest33-21ksoftirqd/222:00:022
7644993833,3cyclictest33-21ksoftirqd/223:45:002
7644993821,9cyclictest33-21ksoftirqd/200:10:172
7644993816,8cyclictest33-21ksoftirqd/220:00:132
764499381,5cyclictest33-21ksoftirqd/221:35:032
7644993812,8cyclictest33-21ksoftirqd/219:38:502
7643993833,3cyclictest25-21ksoftirqd/122:00:001
7643993833,3cyclictest25-21ksoftirqd/121:50:341
7643993833,3cyclictest25-21ksoftirqd/121:50:331
7643993833,3cyclictest25-21ksoftirqd/120:20:001
764399381,3cyclictest25-21ksoftirqd/123:27:011
7642993824,3cyclictest9-21ksoftirqd/022:05:290
7642993824,3cyclictest9-21ksoftirqd/021:45:270
7642993824,3cyclictest9-21ksoftirqd/020:25:250
7642993824,3cyclictest9-21ksoftirqd/019:15:250
7642993823,3cyclictest9-21ksoftirqd/022:50:270
7642993823,3cyclictest9-21ksoftirqd/020:05:150
7642993823,3cyclictest9-21ksoftirqd/019:10:250
7645993732,3cyclictest41-21ksoftirqd/323:16:103
764499374,7cyclictest33-21ksoftirqd/219:15:132
7643993733,3cyclictest25-21ksoftirqd/123:10:001
7643993732,3cyclictest25-21ksoftirqd/123:20:141
7643993732,3cyclictest25-21ksoftirqd/121:10:191
7643993732,3cyclictest25-21ksoftirqd/121:05:131
7643993732,3cyclictest25-21ksoftirqd/121:05:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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