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2026-06-01 - 19:29
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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 792 highest latencies:
System rackdslot2.osadl.org (updated Mon Jun 01, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47082237208,19sleep20-21swapper/207:06:582
46572212169,31sleep30-21swapper/307:06:193
46402206173,22sleep10-21swapper/107:06:051
48862204170,22sleep00-21swapper/007:09:170
5242997013,11cyclictest41-21ksoftirqd/310:05:003
5240996316,7cyclictest25-21ksoftirqd/111:00:161
5239996127,5cyclictest9-21ksoftirqd/007:25:280
5241995312,12cyclictest33-21ksoftirqd/210:15:272
139291530,1ptp4l401ktimersoftd/310:35:393
524099519,8cyclictest25-21ksoftirqd/110:35:221
5240995114,7cyclictest25-21ksoftirqd/108:05:271
5240995113,8cyclictest25-21ksoftirqd/110:00:181
5240995112,7cyclictest25-21ksoftirqd/109:15:191
5239995121,7cyclictest9-21ksoftirqd/007:20:240
5241994911,9cyclictest33-21ksoftirqd/210:10:002
524099493,3cyclictest25-21ksoftirqd/107:25:271
5240994913,9cyclictest25-21ksoftirqd/111:24:591
5240994912,2cyclictest121rcu_preempt10:43:351
5239994916,4cyclictest9-21ksoftirqd/008:55:170
5240994814,8cyclictest25-21ksoftirqd/108:50:121
5239994816,4cyclictest9-21ksoftirqd/009:30:000
5239994815,9cyclictest9-21ksoftirqd/012:00:260
1395914834,8phc2sys0-21swapper/307:10:003
524099478,7cyclictest25-21ksoftirqd/112:10:131
5240994728,8cyclictest25-21ksoftirqd/107:59:421
5240994712,7cyclictest25-21ksoftirqd/108:25:141
5239994716,4cyclictest9-21ksoftirqd/009:50:010
5239994711,8cyclictest9-21ksoftirqd/009:15:000
5242994629,8cyclictest41-21ksoftirqd/307:20:183
524099467,6cyclictest25-21ksoftirqd/109:55:141
524099465,2cyclictest25-21ksoftirqd/111:05:261
5240994611,2cyclictest121rcu_preempt12:29:381
5239994612,7cyclictest9-21ksoftirqd/009:05:190
524099454,2cyclictest121rcu_preempt12:25:001
5240994528,7cyclictest25-21ksoftirqd/107:45:011
524099451,3cyclictest25-21ksoftirqd/112:35:231
524099451,3cyclictest25-21ksoftirqd/112:35:231
524099451,3cyclictest23902-21run-parts12:20:001
5242994430,5cyclictest41-21ksoftirqd/307:40:253
524099445,10cyclictest25-21ksoftirqd/107:50:221
5240994434,3cyclictest25-21ksoftirqd/111:40:001
5240994428,13cyclictest25-21ksoftirqd/110:10:121
524099440,2cyclictest25-21ksoftirqd/108:20:131
5239994412,4cyclictest9-21ksoftirqd/012:30:130
139291440,0ptp4l401ktimersoftd/310:25:543
139291440,0ptp4l401ktimersoftd/309:07:473
524299433,7cyclictest41-21ksoftirqd/310:20:263
5242994331,10cyclictest41-21ksoftirqd/308:40:203
524099439,6cyclictest25-21ksoftirqd/111:45:131
524099438,8cyclictest25-21ksoftirqd/109:45:191
524099435,2cyclictest25-21ksoftirqd/108:30:191
524099434,3cyclictest121rcu_preempt10:30:141
5240994337,3cyclictest25-21ksoftirqd/112:00:001
5240994337,3cyclictest25-21ksoftirqd/107:15:171
524099431,3cyclictest121rcu_preempt07:20:231
524099431,2cyclictest121rcu_preempt08:35:181
5240994310,7cyclictest25-21ksoftirqd/109:50:151
524099430,2cyclictest25-21ksoftirqd/110:15:241
523999435,3cyclictest121rcu_preempt07:30:260
523999435,3cyclictest121rcu_preempt07:30:250
5239994319,3cyclictest9-21ksoftirqd/011:05:190
5239994313,4cyclictest9-21ksoftirqd/010:30:220
5239994313,3cyclictest9-21ksoftirqd/012:05:130
523999430,2cyclictest121rcu_preempt10:10:000
139291430,0ptp4l401ktimersoftd/308:45:093
524299422,3cyclictest121rcu_preempt10:15:273
524099427,2cyclictest30771-21irqrtprio11:25:191
5240994237,3cyclictest25-21ksoftirqd/111:15:001
5240994237,2cyclictest25-21ksoftirqd/111:20:001
5240994236,3cyclictest25-21ksoftirqd/109:40:001
524099421,3cyclictest25-21ksoftirqd/108:40:141
524099421,2cyclictest121rcu_preempt09:25:151
524099421,2cyclictest121rcu_preempt07:30:141
524099421,2cyclictest121rcu_preempt07:30:141
524099421,2cyclictest121rcu_preempt07:10:261
5240994211,10cyclictest25-21ksoftirqd/109:30:261
523999429,4cyclictest9-21ksoftirqd/010:30:000
523999428,7cyclictest9-21ksoftirqd/008:20:230
5239994211,4cyclictest9-21ksoftirqd/012:25:230
139291420,0ptp4l401ktimersoftd/311:58:533
524299419,7cyclictest41-21ksoftirqd/310:40:223
5242994129,10cyclictest41-21ksoftirqd/309:50:173
5240994135,3cyclictest25-21ksoftirqd/111:55:001
524099413,3cyclictest121rcu_preempt11:40:221
524099413,3cyclictest121rcu_preempt11:40:221
5240994127,6cyclictest25-21ksoftirqd/110:45:171
5240994127,4cyclictest25-21ksoftirqd/110:30:001
524099412,3cyclictest121rcu_preempt12:30:231
524099411,3cyclictest121rcu_preempt12:05:211
524099411,2cyclictest121rcu_preempt10:50:171
524099411,2cyclictest121rcu_preempt09:12:371
524099410,6cyclictest5963-21cron08:20:001
524099410,3cyclictest25-21ksoftirqd/111:00:011
524099410,3cyclictest121rcu_preempt08:10:231
5239994135,3cyclictest9-21ksoftirqd/008:05:000
5239994112,4cyclictest9-21ksoftirqd/008:05:250
139291410,0ptp4l401ktimersoftd/311:11:523
524299406,4cyclictest41-21ksoftirqd/308:40:003
5242994036,2cyclictest41-21ksoftirqd/308:30:003
5242994035,3cyclictest41-21ksoftirqd/311:00:013
524299401,7cyclictest41-21ksoftirqd/312:20:003
524299400,3cyclictest121rcu_preempt10:10:583
524099405,9cyclictest25-21ksoftirqd/110:20:141
524099401,2cyclictest121rcu_preempt09:00:241
5240994012,8cyclictest25-21ksoftirqd/109:05:141
524099400,5cyclictest121rcu_preempt08:45:161
523999409,3cyclictest9-21ksoftirqd/010:10:110
5239994034,3cyclictest9-21ksoftirqd/012:15:010
5239994026,3cyclictest9-21ksoftirqd/010:35:180
523999402,2cyclictest121rcu_preempt10:50:000
523999402,2cyclictest121rcu_preempt09:20:000
5239994011,6cyclictest9-21ksoftirqd/007:44:270
5239994011,3cyclictest9-21ksoftirqd/007:55:130
524299394,2cyclictest121rcu_preempt09:55:173
5242993935,2cyclictest41-21ksoftirqd/312:35:003
5242993934,3cyclictest41-21ksoftirqd/309:35:003
5242993933,4cyclictest41-21ksoftirqd/307:15:143
5242993933,3cyclictest41-21ksoftirqd/311:25:243
5242993927,9cyclictest41-21ksoftirqd/307:35:143
5242993925,4cyclictest41-21ksoftirqd/308:00:183
5240993933,3cyclictest25-21ksoftirqd/108:05:001
524099392,3cyclictest121rcu_preempt12:00:151
524099392,3cyclictest121rcu_preempt07:35:211
524099391,3cyclictest121rcu_preempt09:20:141
524099390,2cyclictest121rcu_preempt10:05:131
523999399,4cyclictest9-21ksoftirqd/011:45:000
523999399,4cyclictest9-21ksoftirqd/011:45:000
5239993934,3cyclictest9-21ksoftirqd/007:50:000
5239993925,3cyclictest9-21ksoftirqd/009:50:140
5239993925,3cyclictest9-21ksoftirqd/008:40:220
523999392,4cyclictest9-21ksoftirqd/012:15:180
5239993924,6cyclictest9-21ksoftirqd/009:35:240
523999391,6cyclictest9-21ksoftirqd/009:04:570
524299384,3cyclictest41-21ksoftirqd/309:15:243
5242993833,3cyclictest41-21ksoftirqd/312:30:003
5242993833,3cyclictest41-21ksoftirqd/312:20:263
5242993833,3cyclictest41-21ksoftirqd/307:56:093
5242993832,4cyclictest41-21ksoftirqd/310:32:113
5242993828,9cyclictest41-21ksoftirqd/309:25:263
5241993834,3cyclictest33-21ksoftirqd/212:30:172
5241993834,2cyclictest70550irq/144-enp4s0-09:45:152
5241993833,3cyclictest33-21ksoftirqd/211:35:002
5241993833,3cyclictest33-21ksoftirqd/209:50:202
5241993833,3cyclictest33-21ksoftirqd/208:40:002
5241993833,3cyclictest33-21ksoftirqd/207:40:002
5241993832,4cyclictest33-21ksoftirqd/207:41:402
5241993831,3cyclictest33-21ksoftirqd/211:20:292
524099388,5cyclictest25-21ksoftirqd/111:30:441
5240993834,2cyclictest25-21ksoftirqd/107:45:151
523999389,3cyclictest9-21ksoftirqd/010:40:250
523999387,3cyclictest9-21ksoftirqd/008:45:010
523999386,3cyclictest9-21ksoftirqd/008:25:210
5239993832,3cyclictest9-21ksoftirqd/011:50:150
5239993831,4cyclictest9-21ksoftirqd/011:35:220
5239993824,3cyclictest9-21ksoftirqd/008:35:190
5239993824,3cyclictest9-21ksoftirqd/008:10:190
524299377,6cyclictest41-21ksoftirqd/308:55:153
5242993732,3cyclictest41-21ksoftirqd/311:53:203
5242993731,4cyclictest41-21ksoftirqd/311:42:073
5242993731,4cyclictest41-21ksoftirqd/311:42:073
5242993724,10cyclictest41-21ksoftirqd/312:35:153
5242993724,10cyclictest41-21ksoftirqd/312:35:153
5241993732,3cyclictest33-21ksoftirqd/211:19:232
5241993731,4cyclictest33-21ksoftirqd/211:43:392
5241993731,4cyclictest33-21ksoftirqd/211:43:392
5241993731,3cyclictest33-21ksoftirqd/208:50:002
5241993730,4cyclictest33-21ksoftirqd/207:49:282
5240993732,3cyclictest25-21ksoftirqd/108:55:221
5240993731,3cyclictest25-21ksoftirqd/109:40:131
523999376,3cyclictest9-21ksoftirqd/010:50:250
5239993733,2cyclictest9-21ksoftirqd/012:35:120
5239993733,2cyclictest9-21ksoftirqd/012:35:120
5239993732,3cyclictest9-21ksoftirqd/010:25:000
5239993732,3cyclictest9-21ksoftirqd/008:35:000
5239993732,3cyclictest9-21ksoftirqd/007:55:000
5239993730,3cyclictest9-21ksoftirqd/008:20:000
5239993723,4cyclictest9-21ksoftirqd/009:20:180
5239993723,3cyclictest9-21ksoftirqd/007:15:250
524299365,6cyclictest41-21ksoftirqd/311:35:193
524299364,6cyclictest41-21ksoftirqd/307:35:003
524299364,6cyclictest41-21ksoftirqd/307:35:003
524299363,3cyclictest121rcu_preempt09:40:123
5242993632,3cyclictest41-21ksoftirqd/310:05:233
5242993632,3cyclictest41-21ksoftirqd/308:50:173
5242993631,3cyclictest41-21ksoftirqd/311:15:113
5242993631,3cyclictest41-21ksoftirqd/309:46:343
5242993631,3cyclictest41-21ksoftirqd/309:05:003
5242993631,3cyclictest41-21ksoftirqd/307:25:153
5242993630,4cyclictest41-21ksoftirqd/311:46:043
5242993630,4cyclictest41-21ksoftirqd/311:20:053
524299362,8cyclictest41-21ksoftirqd/309:10:133
524299362,4cyclictest41-21ksoftirqd/309:35:133
5242993617,9cyclictest41-21ksoftirqd/307:50:153
524199367,5cyclictest33-21ksoftirqd/208:05:222
5241993631,3cyclictest33-21ksoftirqd/212:00:182
5241993631,3cyclictest33-21ksoftirqd/211:55:122
5241993631,3cyclictest33-21ksoftirqd/208:23:042
5241993630,4cyclictest33-21ksoftirqd/212:11:192
5241993630,4cyclictest33-21ksoftirqd/209:23:592
5241993630,4cyclictest33-21ksoftirqd/207:16:062
5241993630,3cyclictest33-21ksoftirqd/210:45:002
5241993630,3cyclictest33-21ksoftirqd/207:35:012
5241993630,3cyclictest33-21ksoftirqd/207:35:002
5241993629,5cyclictest33-21ksoftirqd/211:15:002
5241993623,4cyclictest33-21ksoftirqd/210:05:002
524199360,2cyclictest121rcu_preempt12:10:012
523999363,3cyclictest121rcu_preempt09:55:210
5239993631,3cyclictest9-21ksoftirqd/011:00:250
5239993631,2cyclictest9-21ksoftirqd/011:20:000
5239993631,2cyclictest111rcuc/010:00:150
5239993630,4cyclictest9-21ksoftirqd/010:19:280
5239993630,3cyclictest9-21ksoftirqd/011:45:170
5242993530,3cyclictest41-21ksoftirqd/311:34:573
5242993530,3cyclictest41-21ksoftirqd/310:50:133
5242993530,3cyclictest41-21ksoftirqd/308:15:003
5242993530,3cyclictest41-21ksoftirqd/307:50:013
5242993529,4cyclictest41-21ksoftirqd/311:04:403
5242993529,3cyclictest41-21ksoftirqd/312:05:203
5241993530,3cyclictest33-21ksoftirqd/209:35:192
5241993530,3cyclictest33-21ksoftirqd/207:30:012
5241993529,4cyclictest33-21ksoftirqd/212:36:492
5241993529,4cyclictest33-21ksoftirqd/212:36:492
5241993529,4cyclictest33-21ksoftirqd/212:21:142
5241993529,4cyclictest33-21ksoftirqd/211:02:032
5241993529,4cyclictest33-21ksoftirqd/210:51:152
5241993529,4cyclictest33-21ksoftirqd/210:33:162
5241993529,4cyclictest33-21ksoftirqd/210:20:192
524199351,4cyclictest33-21ksoftirqd/207:55:002
523999355,4cyclictest9-21ksoftirqd/011:55:170
5239993530,3cyclictest9-21ksoftirqd/011:25:140
5239993530,2cyclictest9-21ksoftirqd/012:20:230
5239993529,3cyclictest9-21ksoftirqd/010:55:190
5239993527,5cyclictest23039-21cron08:55:000
524299343,2cyclictest121rcu_preempt08:05:233
5242993430,2cyclictest41-21ksoftirqd/312:10:213
5242993430,2cyclictest41-21ksoftirqd/309:20:253
5242993429,3cyclictest41-21ksoftirqd/310:45:243
5242993429,3cyclictest41-21ksoftirqd/308:30:273
5242993429,3cyclictest41-21ksoftirqd/308:20:183
5242993428,4cyclictest41-21ksoftirqd/311:07:053
5241993430,3cyclictest33-21ksoftirqd/209:45:002
5241993430,2cyclictest33-21ksoftirqd/212:20:002
5241993429,3cyclictest70750irq/146-enp4s0-09:15:282
5241993429,3cyclictest33-21ksoftirqd/211:25:192
5241993429,3cyclictest33-21ksoftirqd/210:26:322
5241993429,3cyclictest33-21ksoftirqd/209:55:202
5241993429,3cyclictest33-21ksoftirqd/208:31:002
5241993429,3cyclictest33-21ksoftirqd/208:18:312
5241993429,3cyclictest33-21ksoftirqd/208:10:132
5241993428,4cyclictest33-21ksoftirqd/210:55:372
5241993428,4cyclictest33-21ksoftirqd/210:35:392
5241993428,4cyclictest33-21ksoftirqd/209:02:242
5241993428,3cyclictest33-21ksoftirqd/209:35:002
5239993429,3cyclictest9-21ksoftirqd/011:20:280
5239993428,3cyclictest9-21ksoftirqd/011:10:160
5239993428,3cyclictest9-21ksoftirqd/007:35:150
5239993422,3cyclictest9-21ksoftirqd/007:10:190
524299332,3cyclictest41-21ksoftirqd/312:00:223
5241993328,3cyclictest33-21ksoftirqd/210:10:162
5241993327,4cyclictest33-21ksoftirqd/212:25:552
5241993327,4cyclictest33-21ksoftirqd/211:06:362
5241993327,4cyclictest33-21ksoftirqd/210:48:192
5241993327,4cyclictest33-21ksoftirqd/208:26:292
5239993328,3cyclictest9-21ksoftirqd/009:40:180
5239993326,4cyclictest9-21ksoftirqd/009:31:580
523999332,4cyclictest9-21ksoftirqd/011:30:160
524299320,2cyclictest121rcu_preempt08:15:203
5241993228,3cyclictest33-21ksoftirqd/211:50:132
5241993228,3cyclictest33-21ksoftirqd/209:25:182
5241993227,3cyclictest33-21ksoftirqd/209:08:432
5241993227,3cyclictest33-21ksoftirqd/208:58:512
5241993227,3cyclictest33-21ksoftirqd/208:00:182
5241993221,9cyclictest33-21ksoftirqd/207:20:242
5241993127,3cyclictest33-21ksoftirqd/211:35:162
5241993126,3cyclictest33-21ksoftirqd/211:45:182
5241993126,3cyclictest33-21ksoftirqd/207:10:142
5241993024,3cyclictest33-21ksoftirqd/208:50:172
5241993018,9cyclictest33-21ksoftirqd/207:55:152
5241992924,3cyclictest33-21ksoftirqd/208:44:512
5241992923,4cyclictest33-21ksoftirqd/209:11:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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