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2026-09-21 - 16:43
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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 highest latencies:
System rackdslot2.osadl.org (updated Mon Sep 21, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45702210175,23sleep10-21swapper/107:07:271
46762209169,21sleep30-21swapper/307:08:493
46932204170,22sleep00-21swapper/007:09:020
45092204171,22sleep20-21swapper/207:06:402
3047321430,6sleep1506799cyclictest09:05:291
2767821320,4sleep2506899cyclictest07:55:172
5067996321,9cyclictest25-21ksoftirqd/110:10:191
257072610,3sleep10-21swapper/107:50:191
506799558,11cyclictest25-21ksoftirqd/108:10:161
5069995448,3cyclictest6863-21wc08:19:593
5066995321,4cyclictest9-21ksoftirqd/010:25:180
5066995321,4cyclictest9-21ksoftirqd/010:25:180
83882490,2sleep20-21swapper/210:35:242
506799486,9cyclictest25-21ksoftirqd/108:50:141
5067994813,11cyclictest25-21ksoftirqd/109:05:011
506799480,3cyclictest121rcu_preempt09:40:001
5069994731,13cyclictest41-21ksoftirqd/307:11:133
5067994610,5cyclictest25-21ksoftirqd/110:20:261
5067994437,4cyclictest25-21ksoftirqd/110:55:001
506799439,10cyclictest25-21ksoftirqd/110:35:141
506799433,8cyclictest25-21ksoftirqd/109:40:171
506799431,8cyclictest25-21ksoftirqd/107:55:251
5066994338,3cyclictest9-21ksoftirqd/007:20:000
506699430,3cyclictest121rcu_preempt08:55:000
5067994237,3cyclictest25-21ksoftirqd/109:20:161
506799421,7cyclictest25-21ksoftirqd/107:20:221
506799420,39cyclictest23095-21kworker/1:111:10:261
506799420,2cyclictest121rcu_preempt10:25:181
506799420,2cyclictest121rcu_preempt10:25:181
506799416,3cyclictest25-21ksoftirqd/111:50:261
506799416,3cyclictest25-21ksoftirqd/109:50:241
506799410,8cyclictest25-21ksoftirqd/112:25:191
5066994127,4cyclictest9-21ksoftirqd/009:40:010
506699412,5cyclictest121rcu_preempt11:30:240
139291410,0ptp4l401ktimersoftd/311:55:473
139291410,0ptp4l401ktimersoftd/311:10:163
506799407,3cyclictest25-21ksoftirqd/112:20:231
506799405,4cyclictest25-21ksoftirqd/109:10:171
506799404,8cyclictest25-21ksoftirqd/111:35:171
506799404,3cyclictest25-21ksoftirqd/107:25:271
506799401,7cyclictest25-21ksoftirqd/108:45:241
5066994035,3cyclictest9-21ksoftirqd/011:40:010
5066994010,3cyclictest9-21ksoftirqd/009:00:210
5069993932,4cyclictest41-21ksoftirqd/309:05:003
5068993932,4cyclictest33-21ksoftirqd/207:12:092
506799395,3cyclictest121rcu_preempt12:30:181
506799395,3cyclictest121rcu_preempt08:30:261
506799394,8cyclictest25-21ksoftirqd/110:20:001
506799394,8cyclictest25-21ksoftirqd/109:55:221
506799394,8cyclictest25-21ksoftirqd/109:55:211
506799393,8cyclictest25-21ksoftirqd/110:00:141
5067993934,3cyclictest25-21ksoftirqd/112:00:001
5067993934,3cyclictest25-21ksoftirqd/108:39:591
5067993933,3cyclictest25-21ksoftirqd/107:15:001
5067993932,4cyclictest25-21ksoftirqd/111:22:451
5067993927,9cyclictest25-21ksoftirqd/111:15:241
506799391,8cyclictest25-21ksoftirqd/111:30:231
506799391,5cyclictest25-21ksoftirqd/112:00:251
506799391,4cyclictest25-21ksoftirqd/112:05:221
506799391,3cyclictest25-21ksoftirqd/107:35:261
506799390,2cyclictest121rcu_preempt11:00:151
506699391,5cyclictest9-21ksoftirqd/007:35:000
5069993832,4cyclictest41-21ksoftirqd/312:04:433
5069993832,4cyclictest41-21ksoftirqd/311:19:263
5069993831,4cyclictest41-21ksoftirqd/308:53:283
5069993814,22cyclictest17423-21kworker/3:212:31:253
5068993832,4cyclictest33-21ksoftirqd/211:18:452
5068993832,4cyclictest33-21ksoftirqd/210:12:572
506799388,3cyclictest25-21ksoftirqd/108:25:111
506799386,7cyclictest25-21ksoftirqd/111:45:151
506799385,3cyclictest25-21ksoftirqd/112:10:191
506799384,7cyclictest25-21ksoftirqd/111:40:201
5067993833,3cyclictest25-21ksoftirqd/112:35:261
5067993833,3cyclictest25-21ksoftirqd/108:40:261
5067993833,3cyclictest25-21ksoftirqd/107:45:141
5067993832,3cyclictest25-21ksoftirqd/112:15:191
5067993832,3cyclictest25-21ksoftirqd/107:35:011
506699386,4cyclictest9-21ksoftirqd/012:10:290
5066993834,2cyclictest9-21ksoftirqd/008:39:590
5066993833,3cyclictest9-21ksoftirqd/010:40:000
5066993832,4cyclictest9-21ksoftirqd/011:14:380
5066993832,3cyclictest9-21ksoftirqd/011:25:000
5066993832,3cyclictest9-21ksoftirqd/010:20:000
5066993831,4cyclictest9-21ksoftirqd/007:39:420
5069993731,4cyclictest41-21ksoftirqd/311:41:453
5069993731,4cyclictest41-21ksoftirqd/311:33:063
5069993731,4cyclictest41-21ksoftirqd/309:44:343
5069993731,4cyclictest41-21ksoftirqd/308:43:443
5069993731,4cyclictest41-21ksoftirqd/307:52:213
5069993730,4cyclictest41-21ksoftirqd/308:35:143
5068993732,3cyclictest33-21ksoftirqd/209:01:492
5068993731,4cyclictest33-21ksoftirqd/212:04:342
5068993731,4cyclictest33-21ksoftirqd/211:25:112
5068993731,4cyclictest33-21ksoftirqd/211:25:112
5068993731,4cyclictest33-21ksoftirqd/207:38:122
5068993730,4cyclictest217-21systemd-journal08:25:002
506799374,6cyclictest25-21ksoftirqd/108:00:151
506799374,2cyclictest121rcu_preempt11:25:231
506799374,2cyclictest121rcu_preempt11:25:231
506799374,2cyclictest121rcu_preempt09:45:231
506799374,2cyclictest121rcu_preempt07:40:151
5067993733,2cyclictest25-21ksoftirqd/110:55:151
5067993732,3cyclictest25-21ksoftirqd/108:20:001
5067993731,3cyclictest25-21ksoftirqd/107:19:591
506799372,8cyclictest25-21ksoftirqd/111:05:131
506799370,5cyclictest25-21ksoftirqd/110:30:261
5066993733,2cyclictest9-21ksoftirqd/008:20:010
5066993732,2cyclictest9-21ksoftirqd/009:10:000
5066993731,3cyclictest9-21ksoftirqd/010:10:010
5066993731,3cyclictest9-21ksoftirqd/008:00:000
5069993631,3cyclictest41-21ksoftirqd/307:45:123
5069993631,3cyclictest41-21ksoftirqd/307:28:503
5069993630,4cyclictest41-21ksoftirqd/312:13:343
5069993630,4cyclictest41-21ksoftirqd/310:42:403
5069993630,4cyclictest41-21ksoftirqd/309:31:143
5069993630,4cyclictest41-21ksoftirqd/309:20:433
5069993630,4cyclictest41-21ksoftirqd/308:21:193
5069993630,4cyclictest41-21ksoftirqd/307:33:573
5069993630,4cyclictest41-21ksoftirqd/307:25:013
5069993629,4cyclictest41-21ksoftirqd/311:39:323
5068993630,4cyclictest33-21ksoftirqd/212:33:472
5068993630,4cyclictest33-21ksoftirqd/211:51:262
5068993630,4cyclictest33-21ksoftirqd/209:41:362
5068993630,4cyclictest33-21ksoftirqd/207:15:032
5068993629,4cyclictest33-21ksoftirqd/211:09:062
5068993629,4cyclictest33-21ksoftirqd/209:30:412
5068993629,4cyclictest33-21ksoftirqd/209:27:282
5068993629,4cyclictest33-21ksoftirqd/209:27:282
506799364,7cyclictest25-21ksoftirqd/109:25:231
506799364,7cyclictest25-21ksoftirqd/109:25:231
506799363,3cyclictest121rcu_preempt08:05:231
5067993631,3cyclictest25-21ksoftirqd/110:45:201
5067993631,3cyclictest25-21ksoftirqd/109:15:001
5067993630,3cyclictest25-21ksoftirqd/110:40:191
506799361,3cyclictest121rcu_preempt10:05:251
5066993631,3cyclictest9-21ksoftirqd/010:25:000
5066993630,4cyclictest9-21ksoftirqd/011:43:100
5066993630,4cyclictest9-21ksoftirqd/008:20:430
5066993630,3cyclictest9-21ksoftirqd/008:45:010
5066993626,3cyclictest9-21ksoftirqd/009:40:180
506699360,5cyclictest2521-21gnome-shell08:25:240
5069993530,3cyclictest41-21ksoftirqd/310:29:003
5069993530,3cyclictest41-21ksoftirqd/310:29:003
5069993530,3cyclictest41-21ksoftirqd/308:01:253
5069993529,4cyclictest41-21ksoftirqd/310:54:473
5069993529,4cyclictest41-21ksoftirqd/310:16:163
5069993529,4cyclictest41-21ksoftirqd/310:11:543
5068993529,4cyclictest33-21ksoftirqd/208:14:362
5068993528,4cyclictest33-21ksoftirqd/211:41:442
5067993531,2cyclictest25-21ksoftirqd/109:00:011
5067993529,3cyclictest25-21ksoftirqd/108:20:141
506799350,8cyclictest25-21ksoftirqd/109:30:141
5066993531,2cyclictest9-21ksoftirqd/012:30:000
5066993531,2cyclictest9-21ksoftirqd/009:50:120
5066993530,3cyclictest9-21ksoftirqd/012:40:010
5066993530,3cyclictest9-21ksoftirqd/010:50:190
5066993530,3cyclictest9-21ksoftirqd/007:27:110
5066993529,4cyclictest9-21ksoftirqd/012:01:110
5066993529,4cyclictest9-21ksoftirqd/011:47:390
5066993529,4cyclictest9-21ksoftirqd/011:29:260
5066993529,4cyclictest9-21ksoftirqd/011:29:260
5066993529,3cyclictest9-21ksoftirqd/012:20:050
5066993529,3cyclictest9-21ksoftirqd/010:55:280
5066993529,3cyclictest9-21ksoftirqd/009:15:000
5066993529,3cyclictest9-21ksoftirqd/008:35:000
506699352,4cyclictest14868-21awk11:55:260
5066993521,4cyclictest9-21ksoftirqd/007:20:190
5069993429,3cyclictest41-21ksoftirqd/310:20:133
5069993429,3cyclictest41-21ksoftirqd/308:25:323
5069993428,4cyclictest41-21ksoftirqd/312:23:253
5069993428,4cyclictest41-21ksoftirqd/309:48:273
5069993428,4cyclictest41-21ksoftirqd/307:41:583
5069993427,4cyclictest41-21ksoftirqd/309:08:243
5069993414,18cyclictest22753-21/usr/sbin/munin10:00:193
5069993413,3cyclictest308-21cron11:55:013
5068993429,3cyclictest33-21ksoftirqd/212:27:032
5068993429,3cyclictest33-21ksoftirqd/210:49:592
5068993428,4cyclictest33-21ksoftirqd/211:57:562
5068993428,4cyclictest33-21ksoftirqd/210:52:452
5068993428,4cyclictest33-21ksoftirqd/209:37:402
5068993428,4cyclictest33-21ksoftirqd/208:55:512
5068993428,4cyclictest33-21ksoftirqd/207:52:172
5066993430,2cyclictest9-21ksoftirqd/011:05:000
5066993429,3cyclictest9-21ksoftirqd/011:50:040
5066993429,3cyclictest9-21ksoftirqd/011:15:170
5066993429,3cyclictest9-21ksoftirqd/010:05:000
5066993429,3cyclictest9-21ksoftirqd/009:47:090
5066993429,3cyclictest9-21ksoftirqd/009:20:240
5066993429,3cyclictest9-21ksoftirqd/007:50:240
5066993429,3cyclictest9-21ksoftirqd/007:50:010
5066993428,4cyclictest9-21ksoftirqd/010:11:190
5066993428,4cyclictest9-21ksoftirqd/008:59:140
5066993428,3cyclictest9-21ksoftirqd/010:40:190
5066993428,3cyclictest9-21ksoftirqd/010:35:010
5066993427,3cyclictest9-21ksoftirqd/007:40:160
139291340,4ptp4l401ktimersoftd/312:25:343
5069993328,3cyclictest41-21ksoftirqd/310:58:593
5069993328,3cyclictest41-21ksoftirqd/309:58:153
5069993328,3cyclictest41-21ksoftirqd/309:58:143
5069993327,4cyclictest41-21ksoftirqd/312:19:563
5069993327,4cyclictest41-21ksoftirqd/311:23:193
5069993327,4cyclictest41-21ksoftirqd/309:29:273
5069993327,4cyclictest41-21ksoftirqd/309:29:263
5069993327,4cyclictest41-21ksoftirqd/309:15:113
5068993328,3cyclictest33-21ksoftirqd/212:38:362
5068993328,3cyclictest33-21ksoftirqd/212:20:332
5068993328,3cyclictest33-21ksoftirqd/209:05:472
5068993328,3cyclictest33-21ksoftirqd/207:22:292
5068993327,4cyclictest33-21ksoftirqd/212:19:312
5068993327,4cyclictest33-21ksoftirqd/211:38:192
5068993327,4cyclictest33-21ksoftirqd/211:02:442
5068993327,4cyclictest33-21ksoftirqd/210:22:282
5068993327,4cyclictest33-21ksoftirqd/210:16:022
5068993327,4cyclictest33-21ksoftirqd/209:18:342
5068993327,4cyclictest33-21ksoftirqd/208:08:212
5068993326,4cyclictest33-21ksoftirqd/211:21:462
5068993326,4cyclictest33-21ksoftirqd/207:34:312
5066993328,3cyclictest9-21ksoftirqd/012:15:180
5066993328,3cyclictest9-21ksoftirqd/011:05:200
5066993328,3cyclictest9-21ksoftirqd/008:45:150
5066993326,4cyclictest9-21ksoftirqd/012:33:050
5066993321,3cyclictest9-21ksoftirqd/008:00:240
5066993320,3cyclictest9-21ksoftirqd/007:10:140
5069993227,3cyclictest41-21ksoftirqd/310:09:503
5069993227,3cyclictest41-21ksoftirqd/309:14:343
5069993227,3cyclictest41-21ksoftirqd/308:55:193
5069993226,4cyclictest41-21ksoftirqd/312:38:173
5069993226,4cyclictest41-21ksoftirqd/311:46:543
5069993226,4cyclictest41-21ksoftirqd/308:11:473
5069993226,4cyclictest41-21ksoftirqd/307:36:293
5069993226,4cyclictest41-21ksoftirqd/307:16:193
5069993225,4cyclictest41-21ksoftirqd/311:04:183
5069993221,9cyclictest41-21ksoftirqd/310:30:243
5069993212,3cyclictest8922-21sshd10:36:263
5069993211,3cyclictest12018-21cat08:30:153
5068993227,3cyclictest33-21ksoftirqd/212:13:492
5068993227,3cyclictest33-21ksoftirqd/210:55:132
5068993227,3cyclictest33-21ksoftirqd/209:51:132
5068993227,3cyclictest33-21ksoftirqd/209:20:022
5068993227,3cyclictest33-21ksoftirqd/208:29:492
5068993226,4cyclictest33-21ksoftirqd/211:47:412
5066993228,2cyclictest9-21ksoftirqd/009:25:180
5066993228,2cyclictest9-21ksoftirqd/009:25:180
5066993227,3cyclictest9-21ksoftirqd/009:34:520
5066993225,5cyclictest9-21ksoftirqd/009:55:460
5066993225,5cyclictest9-21ksoftirqd/009:55:460
5066993216,4cyclictest9-21ksoftirqd/010:45:200
506699320,2cyclictest121rcu_preempt12:05:230
5069993125,4cyclictest41-21ksoftirqd/309:39:453
5069993111,4cyclictest28657-21timerandwakeup07:55:273
5069993111,3cyclictest31023-21/usr/sbin/munin11:25:263
5069993111,3cyclictest31023-21/usr/sbin/munin11:25:263
5068993126,3cyclictest33-21ksoftirqd/209:56:332
5068993126,3cyclictest33-21ksoftirqd/209:56:332
5068993126,3cyclictest33-21ksoftirqd/207:29:132
5068993125,4cyclictest33-21ksoftirqd/209:14:132
5068993125,4cyclictest33-21ksoftirqd/208:39:232
5068993125,4cyclictest33-21ksoftirqd/208:18:092
5068993125,4cyclictest33-21ksoftirqd/207:41:262
5069993025,3cyclictest41-21ksoftirqd/311:06:443
5069993025,3cyclictest41-21ksoftirqd/310:45:493
5068993025,3cyclictest33-21ksoftirqd/210:33:132
5068993025,3cyclictest33-21ksoftirqd/208:47:542
5068993024,4cyclictest33-21ksoftirqd/212:07:352
5068993024,4cyclictest33-21ksoftirqd/208:44:372
5068993024,3cyclictest33-21ksoftirqd/210:40:482
5066993026,3cyclictest9-21ksoftirqd/009:15:150
5066993025,3cyclictest9-21ksoftirqd/008:05:140
506999299,2cyclictest19228-21/usr/sbin/munin08:45:163
5068992924,3cyclictest33-21ksoftirqd/208:33:062
5068992924,3cyclictest33-21ksoftirqd/208:02:512
5066992923,4cyclictest9-21ksoftirqd/008:13:170
5069992823,3cyclictest41-21ksoftirqd/312:08:323
5069992822,4cyclictest41-21ksoftirqd/308:05:333
5068992823,3cyclictest33-21ksoftirqd/210:05:052
5068992823,3cyclictest33-21ksoftirqd/208:51:362
5069992722,3cyclictest41-21ksoftirqd/309:51:263
5068992722,3cyclictest33-21ksoftirqd/210:04:102
5068992722,3cyclictest33-21ksoftirqd/209:48:362
5068992520,3cyclictest33-21ksoftirqd/207:47:402
5068992418,4cyclictest33-21ksoftirqd/211:13:392
506899212,18cyclictest29352-21kworker/2:210:25:162
506899212,18cyclictest29352-21kworker/2:210:25:152
5068991914,3cyclictest3337-21sed11:35:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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