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2026-09-02 - 08:52
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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 rackdslot3.osadl.org (updated Wed Sep 02, 2026 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146652207181,17sleep10-21swapper/119:09:591
144282205171,23sleep20-21swapper/219:06:532
145812203170,22sleep00-21swapper/019:08:520
143182203168,23sleep30-21swapper/319:05:353
3228921560,7sleep11495899cyclictest23:05:261
244432760,8sleep01495799cyclictest22:50:210
14960995322,3cyclictest41-21ksoftirqd/322:35:273
139391530,1ptp4l401ktimersoftd/320:30:533
14960995221,3cyclictest41-21ksoftirqd/322:44:593
14960995220,9cyclictest41-21ksoftirqd/300:00:203
14960995220,9cyclictest41-21ksoftirqd/300:00:203
14960995219,4cyclictest41-21ksoftirqd/323:15:003
126062510,2sleep30-21swapper/320:10:213
14960995014,8cyclictest41-21ksoftirqd/319:49:593
65962490,2sleep00-21swapper/020:00:120
14960994920,7cyclictest41-21ksoftirqd/319:25:013
14960994920,6cyclictest41-21ksoftirqd/322:10:003
14960994919,4cyclictest41-21ksoftirqd/322:50:153
14960994919,4cyclictest41-21ksoftirqd/321:45:143
14960994916,7cyclictest41-21ksoftirqd/321:35:143
14960994817,4cyclictest41-21ksoftirqd/321:40:213
14960994812,10cyclictest41-21ksoftirqd/300:25:003
14960994720,3cyclictest41-21ksoftirqd/319:30:233
14960994719,7cyclictest41-21ksoftirqd/319:50:173
14960994718,6cyclictest41-21ksoftirqd/319:40:123
287382460,1sleep10-21swapper/120:45:171
1496099460,2cyclictest121rcu_preempt00:00:013
1496099459,3cyclictest41-21ksoftirqd/323:30:243
14960994516,7cyclictest41-21ksoftirqd/323:40:013
14960994516,3cyclictest41-21ksoftirqd/321:10:013
14960994516,3cyclictest41-21ksoftirqd/320:25:153
1496099451,3cyclictest121rcu_preempt23:10:013
14960994513,4cyclictest41-21ksoftirqd/321:25:153
14960994513,3cyclictest41-21ksoftirqd/322:00:133
14960994512,4cyclictest41-21ksoftirqd/323:25:003
1394914533,6phc2sys0-21swapper/319:10:013
48692440,1sleep00-21swapper/019:55:220
48692440,1sleep00-21swapper/019:55:220
14960994417,6cyclictest41-21ksoftirqd/320:20:273
14960994413,4cyclictest41-21ksoftirqd/300:30:183
14960994411,3cyclictest41-21ksoftirqd/320:15:143
14960994410,4cyclictest41-21ksoftirqd/321:30:233
1496099439,4cyclictest41-21ksoftirqd/319:55:173
1496099439,4cyclictest41-21ksoftirqd/319:55:173
1496099438,8cyclictest41-21ksoftirqd/321:10:133
1496099438,7cyclictest41-21ksoftirqd/320:50:143
14960994315,7cyclictest41-21ksoftirqd/322:55:123
14960994315,6cyclictest41-21ksoftirqd/323:25:123
14960994315,6cyclictest41-21ksoftirqd/319:25:143
14960994312,6cyclictest41-21ksoftirqd/320:05:233
1496099429,3cyclictest41-21ksoftirqd/323:40:223
1496099428,9cyclictest41-21ksoftirqd/320:35:203
1496099428,10cyclictest41-21ksoftirqd/319:39:593
14960994231,2cyclictest41-21ksoftirqd/300:15:203
14960994211,7cyclictest41-21ksoftirqd/321:20:273
14960994210,8cyclictest41-21ksoftirqd/321:55:243
1496099418,4cyclictest41-21ksoftirqd/323:00:003
14960994136,2cyclictest1317-21runrttasks22:27:383
14960994116,7cyclictest41-21ksoftirqd/321:05:013
14960994110,7cyclictest41-21ksoftirqd/321:50:163
14959994126,12cyclictest33-21ksoftirqd/222:10:172
14959994126,12cyclictest33-21ksoftirqd/222:10:162
1496099406,3cyclictest41-21ksoftirqd/320:40:163
14960994037,2cyclictest41-21ksoftirqd/300:10:013
1496099398,6cyclictest41-21ksoftirqd/320:56:263
1496099398,6cyclictest41-21ksoftirqd/320:56:263
1496099397,8cyclictest41-21ksoftirqd/322:30:133
1496099397,7cyclictest41-21ksoftirqd/319:15:173
1496099397,4cyclictest41-21ksoftirqd/322:25:013
14960993934,3cyclictest41-21ksoftirqd/322:15:013
14960993934,3cyclictest41-21ksoftirqd/322:15:013
14960993923,8cyclictest41-21ksoftirqd/323:50:003
1496099390,2cyclictest1300-21snmpd00:35:243
1496099382,2cyclictest121rcu_preempt23:15:013
1496099382,2cyclictest121rcu_preempt23:15:003
1496099380,8cyclictest41-21ksoftirqd/320:00:253
14958993833,3cyclictest16782-21sshd21:26:331
14960993733,3cyclictest41-21ksoftirqd/300:30:003
1496099372,3cyclictest121rcu_preempt22:20:013
1496099370,3cyclictest121rcu_preempt20:45:273
14959993731,4cyclictest33-21ksoftirqd/222:52:002
14958993732,3cyclictest25-21ksoftirqd/123:16:541
14958993732,3cyclictest25-21ksoftirqd/100:35:151
14958993731,4cyclictest25-21ksoftirqd/100:06:481
14958993730,5cyclictest25-21ksoftirqd/120:55:001
1496099368,7cyclictest41-21ksoftirqd/322:45:213
14960993632,3cyclictest41-21ksoftirqd/323:55:013
14960993630,3cyclictest41-21ksoftirqd/300:10:193
14960993629,4cyclictest41-21ksoftirqd/321:19:423
14959993631,3cyclictest33-21ksoftirqd/220:05:002
14959993630,4cyclictest33-21ksoftirqd/223:55:332
14959993630,4cyclictest33-21ksoftirqd/219:23:272
14959993630,4cyclictest33-21ksoftirqd/219:14:442
1495999362,2cyclictest121rcu_preempt21:44:212
14958993630,4cyclictest25-21ksoftirqd/123:36:231
14958993630,4cyclictest25-21ksoftirqd/122:41:101
14958993630,4cyclictest25-21ksoftirqd/120:05:061
14958993630,3cyclictest25-21ksoftirqd/120:30:121
14958993629,5cyclictest25-21ksoftirqd/119:59:161
14958993629,5cyclictest25-21ksoftirqd/119:59:161
14958993629,5cyclictest25-21ksoftirqd/119:16:001
14958993629,4cyclictest25-21ksoftirqd/122:13:151
14958993629,4cyclictest25-21ksoftirqd/122:13:141
14957993631,3cyclictest9-21ksoftirqd/000:25:000
14957993630,4cyclictest9-21ksoftirqd/021:25:000
14957993629,5cyclictest9-21ksoftirqd/019:48:400
14959993530,3cyclictest33-21ksoftirqd/200:14:392
14959993529,4cyclictest33-21ksoftirqd/223:19:162
14958993529,4cyclictest25-21ksoftirqd/123:59:381
14958993529,4cyclictest25-21ksoftirqd/123:53:451
14958993529,4cyclictest25-21ksoftirqd/120:00:491
14958993529,4cyclictest25-21ksoftirqd/119:47:361
14958993529,4cyclictest25-21ksoftirqd/119:28:231
14958993528,5cyclictest25-21ksoftirqd/123:25:391
14957993530,3cyclictest9-21ksoftirqd/020:10:000
14957993529,4cyclictest9-21ksoftirqd/020:25:430
14959993429,3cyclictest33-21ksoftirqd/223:00:102
14959993428,4cyclictest33-21ksoftirqd/223:34:242
14959993428,4cyclictest33-21ksoftirqd/222:22:462
14959993428,4cyclictest33-21ksoftirqd/222:16:562
14959993428,4cyclictest33-21ksoftirqd/221:59:042
14959993428,4cyclictest33-21ksoftirqd/221:24:342
14959993428,4cyclictest33-21ksoftirqd/220:55:122
14959993428,4cyclictest33-21ksoftirqd/220:55:122
14959993428,4cyclictest33-21ksoftirqd/220:33:432
14959993428,4cyclictest33-21ksoftirqd/219:48:222
14959993428,4cyclictest33-21ksoftirqd/219:39:442
14959993428,4cyclictest33-21ksoftirqd/200:00:432
14959993428,4cyclictest33-21ksoftirqd/200:00:432
14959993428,3cyclictest33-21ksoftirqd/221:31:282
14959993427,5cyclictest33-21ksoftirqd/221:38:302
14958993428,4cyclictest25-21ksoftirqd/122:20:371
14958993427,5cyclictest25-21ksoftirqd/121:49:191
14957993429,3cyclictest9-21ksoftirqd/022:56:280
14959993328,3cyclictest33-21ksoftirqd/223:26:572
14959993328,3cyclictest33-21ksoftirqd/223:21:322
14959993328,3cyclictest33-21ksoftirqd/222:56:132
14959993328,3cyclictest33-21ksoftirqd/220:41:342
14959993328,3cyclictest33-21ksoftirqd/219:54:472
14959993327,4cyclictest33-21ksoftirqd/223:50:362
14959993327,4cyclictest33-21ksoftirqd/223:06:072
14959993327,4cyclictest33-21ksoftirqd/222:42:052
14959993327,4cyclictest33-21ksoftirqd/220:36:442
14958993327,4cyclictest25-21ksoftirqd/123:45:541
14958993327,4cyclictest25-21ksoftirqd/123:32:291
14958993327,4cyclictest25-21ksoftirqd/123:13:131
14958993327,4cyclictest25-21ksoftirqd/123:13:131
14958993327,4cyclictest25-21ksoftirqd/123:01:441
14958993327,4cyclictest25-21ksoftirqd/119:10:581
14958993327,4cyclictest25-21ksoftirqd/100:18:311
14957993328,3cyclictest9-21ksoftirqd/023:25:110
14957993328,3cyclictest9-21ksoftirqd/023:15:350
14957993328,3cyclictest9-21ksoftirqd/022:40:100
14957993328,3cyclictest9-21ksoftirqd/022:00:120
14957993327,4cyclictest9-21ksoftirqd/023:58:520
14957993327,4cyclictest9-21ksoftirqd/023:48:170
14957993327,4cyclictest9-21ksoftirqd/023:33:140
14957993327,4cyclictest9-21ksoftirqd/021:18:130
14957993327,4cyclictest9-21ksoftirqd/020:50:500
14957993327,4cyclictest9-21ksoftirqd/020:40:350
14957993327,4cyclictest9-21ksoftirqd/019:37:530
14957993327,4cyclictest9-21ksoftirqd/000:11:040
14957993326,5cyclictest9-21ksoftirqd/023:43:560
14959993228,3cyclictest33-21ksoftirqd/200:21:272
14959993227,3cyclictest33-21ksoftirqd/222:29:592
14959993227,3cyclictest33-21ksoftirqd/200:35:552
14959993226,4cyclictest33-21ksoftirqd/223:10:322
14959993226,4cyclictest33-21ksoftirqd/223:10:322
14959993226,4cyclictest33-21ksoftirqd/221:47:092
14959993226,4cyclictest33-21ksoftirqd/221:18:272
14959993226,4cyclictest33-21ksoftirqd/220:17:102
14959993226,4cyclictest33-21ksoftirqd/220:09:152
14958993227,3cyclictest25-21ksoftirqd/121:58:371
14958993227,3cyclictest25-21ksoftirqd/119:39:591
14958993226,4cyclictest25-21ksoftirqd/122:06:561
14958993226,4cyclictest25-21ksoftirqd/121:11:451
14958993226,3cyclictest7925-21sh23:25:001
14957993227,3cyclictest9-21ksoftirqd/000:25:130
14957993227,3cyclictest9-21ksoftirqd/000:05:110
14957993226,4cyclictest9-21ksoftirqd/022:26:450
14957993226,4cyclictest9-21ksoftirqd/021:30:580
14957993226,4cyclictest9-21ksoftirqd/020:22:450
14957993226,4cyclictest9-21ksoftirqd/019:20:120
14959993127,2cyclictest33-21ksoftirqd/200:15:202
14959993126,3cyclictest33-21ksoftirqd/222:04:442
14959993126,3cyclictest33-21ksoftirqd/221:26:342
14959993126,3cyclictest33-21ksoftirqd/219:55:122
14959993126,3cyclictest33-21ksoftirqd/219:55:122
14959993126,3cyclictest33-21ksoftirqd/219:40:112
14959993125,4cyclictest33-21ksoftirqd/222:49:592
14959993125,4cyclictest33-21ksoftirqd/222:32:212
14959993125,4cyclictest33-21ksoftirqd/220:53:412
14958993127,3cyclictest25-21ksoftirqd/122:50:191
14958993126,3cyclictest25-21ksoftirqd/122:15:311
14958993126,3cyclictest25-21ksoftirqd/120:19:351
14958993125,4cyclictest25-21ksoftirqd/121:19:361
14958993125,4cyclictest25-21ksoftirqd/121:06:441
14958993125,4cyclictest25-21ksoftirqd/119:54:061
14958993125,4cyclictest25-21ksoftirqd/119:24:221
14957993126,3cyclictest9-21ksoftirqd/021:11:150
14957993126,3cyclictest9-21ksoftirqd/021:09:550
14957993125,4cyclictest9-21ksoftirqd/021:36:440
14957993125,4cyclictest9-21ksoftirqd/020:47:090
14957993125,4cyclictest9-21ksoftirqd/019:17:470
14957993125,3cyclictest9-21ksoftirqd/021:27:160
14957993125,3cyclictest9-21ksoftirqd/019:25:120
14959993025,3cyclictest33-21ksoftirqd/223:35:452
14959993025,3cyclictest33-21ksoftirqd/220:26:352
14959993024,4cyclictest33-21ksoftirqd/221:06:482
14959993024,4cyclictest33-21ksoftirqd/221:02:512
14959993024,4cyclictest33-21ksoftirqd/219:25:112
14958993025,3cyclictest25-21ksoftirqd/119:32:271
14958993024,4cyclictest25-21ksoftirqd/120:44:531
14958993024,3cyclictest25-21ksoftirqd/121:40:101
14957993025,3cyclictest9-21ksoftirqd/023:20:380
14957993025,3cyclictest9-21ksoftirqd/023:02:590
14957993025,3cyclictest9-21ksoftirqd/022:21:430
14957993025,3cyclictest9-21ksoftirqd/021:50:000
14957993025,3cyclictest9-21ksoftirqd/020:36:460
14957993024,4cyclictest9-21ksoftirqd/020:57:080
14957993024,4cyclictest9-21ksoftirqd/020:57:080
14957993024,4cyclictest9-21ksoftirqd/019:14:460
14957993024,4cyclictest9-21ksoftirqd/000:16:170
14957993023,5cyclictest9-21ksoftirqd/022:06:240
14959992924,3cyclictest33-21ksoftirqd/223:48:072
14959992924,3cyclictest33-21ksoftirqd/222:36:452
14959992924,3cyclictest33-21ksoftirqd/220:14:262
14959992924,3cyclictest33-21ksoftirqd/200:30:552
14959992924,3cyclictest33-21ksoftirqd/200:25:492
14959992923,4cyclictest33-21ksoftirqd/223:43:422
14958992925,3cyclictest25-21ksoftirqd/120:39:591
14958992923,4cyclictest25-21ksoftirqd/122:46:041
14958992923,4cyclictest25-21ksoftirqd/122:01:271
14958992923,4cyclictest25-21ksoftirqd/119:43:151
14957992924,3cyclictest9-21ksoftirqd/000:31:280
14957992923,4cyclictest9-21ksoftirqd/023:07:290
14957992923,4cyclictest9-21ksoftirqd/022:17:140
14957992923,4cyclictest9-21ksoftirqd/022:10:540
14957992923,4cyclictest9-21ksoftirqd/022:10:530
14957992923,4cyclictest9-21ksoftirqd/020:17:560
14957992923,4cyclictest9-21ksoftirqd/020:13:590
14957992923,4cyclictest9-21ksoftirqd/000:37:120
14957992922,5cyclictest9-21ksoftirqd/022:32:110
14959992822,3cyclictest33-21ksoftirqd/221:50:122
14958992823,3cyclictest25-21ksoftirqd/123:43:461
14958992823,3cyclictest25-21ksoftirqd/122:30:161
14958992822,4cyclictest25-21ksoftirqd/122:36:411
14958992822,4cyclictest25-21ksoftirqd/122:26:311
14958992822,4cyclictest25-21ksoftirqd/121:36:031
14958992822,4cyclictest25-21ksoftirqd/121:33:511
14957992822,4cyclictest9-21ksoftirqd/021:56:540
14957992822,4cyclictest9-21ksoftirqd/021:54:450
14957992822,4cyclictest9-21ksoftirqd/021:00:280
14957992822,4cyclictest9-21ksoftirqd/020:34:010
14957992822,4cyclictest9-21ksoftirqd/019:31:470
14959992722,3cyclictest33-21ksoftirqd/219:16:372
14959992722,3cyclictest33-21ksoftirqd/200:08:592
14959992721,4cyclictest33-21ksoftirqd/222:09:552
14958992722,3cyclictest25-21ksoftirqd/121:00:421
14958992722,3cyclictest25-21ksoftirqd/120:13:281
14958992722,3cyclictest25-21ksoftirqd/100:02:261
14958992722,3cyclictest25-21ksoftirqd/100:02:261
14957992722,3cyclictest9-21ksoftirqd/021:40:130
14957992721,4cyclictest9-21ksoftirqd/023:36:010
14959992621,3cyclictest33-21ksoftirqd/220:23:052
14957992620,4cyclictest9-21ksoftirqd/019:53:380
14957992620,4cyclictest9-21ksoftirqd/000:03:580
14957992620,4cyclictest9-21ksoftirqd/000:03:580
14959992519,4cyclictest33-21ksoftirqd/220:48:042
14958992520,3cyclictest25-21ksoftirqd/120:55:131
14958992520,3cyclictest25-21ksoftirqd/120:55:131
14958992520,3cyclictest25-21ksoftirqd/100:33:261
14958992520,3cyclictest25-21ksoftirqd/100:28:391
14958992519,4cyclictest25-21ksoftirqd/122:55:021
14958992419,3cyclictest25-21ksoftirqd/121:22:001
14957992418,4cyclictest9-21ksoftirqd/023:51:060
14957992418,4cyclictest9-21ksoftirqd/022:46:000
14959992318,3cyclictest33-21ksoftirqd/219:34:272
14958992318,3cyclictest25-21ksoftirqd/100:20:131
14958992317,4cyclictest25-21ksoftirqd/120:22:071
14957992318,3cyclictest9-21ksoftirqd/023:10:190
14957992318,3cyclictest9-21ksoftirqd/023:10:190
14957992318,3cyclictest9-21ksoftirqd/019:42:050
14958992217,3cyclictest25-21ksoftirqd/120:25:031
14957992217,3cyclictest9-21ksoftirqd/022:35:180
14959992115,4cyclictest33-21ksoftirqd/221:10:572
14958991914,3cyclictest27726-21kernelversion21:50:191
14958991813,3cyclictest25-21ksoftirqd/100:15:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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