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2026-03-22 - 10:24
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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 Sun Mar 22, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2759223270,8sleep341-21ksoftirqd/319:05:263
282322203170,22sleep00-21swapper/019:09:250
281472203169,23sleep20-21swapper/219:08:192
279632202169,22sleep10-21swapper/119:06:011
83852740,3sleep0111rcuc/019:35:000
179762600,2sleep30-21swapper/319:55:003
28568995622,4cyclictest9-21ksoftirqd/023:35:190
28571995420,4cyclictest41-21ksoftirqd/300:30:013
28571994919,3cyclictest41-21ksoftirqd/323:10:223
28571994916,8cyclictest41-21ksoftirqd/319:45:003
28571994819,4cyclictest41-21ksoftirqd/323:40:163
28571994819,4cyclictest41-21ksoftirqd/322:05:183
28571994816,7cyclictest41-21ksoftirqd/322:45:113
28571994717,7cyclictest41-21ksoftirqd/323:20:013
28571994717,4cyclictest41-21ksoftirqd/322:40:223
28571994715,7cyclictest41-21ksoftirqd/323:35:273
28571994715,5cyclictest41-21ksoftirqd/322:10:123
28571994714,8cyclictest41-21ksoftirqd/320:40:243
2856899475,3cyclictest9-21ksoftirqd/000:40:010
28571994618,3cyclictest41-21ksoftirqd/323:30:263
28571994618,3cyclictest41-21ksoftirqd/323:30:263
28571994614,8cyclictest41-21ksoftirqd/323:45:163
28571994614,7cyclictest41-21ksoftirqd/319:25:123
28571994614,4cyclictest41-21ksoftirqd/320:10:263
2857199458,4cyclictest41-21ksoftirqd/322:55:243
28571994518,7cyclictest41-21ksoftirqd/321:50:193
28571994515,7cyclictest41-21ksoftirqd/321:35:133
28571994514,7cyclictest41-21ksoftirqd/300:00:003
28571994514,4cyclictest41-21ksoftirqd/321:45:193
28571994511,10cyclictest41-21ksoftirqd/323:30:003
28571994510,8cyclictest41-21ksoftirqd/321:30:013
28571994417,3cyclictest41-21ksoftirqd/320:20:183
28571994414,8cyclictest41-21ksoftirqd/322:00:013
28571994414,8cyclictest41-21ksoftirqd/322:00:013
28571994412,4cyclictest41-21ksoftirqd/321:30:193
28571994412,4cyclictest41-21ksoftirqd/320:25:193
28571994411,8cyclictest41-21ksoftirqd/319:15:153
2856899443,3cyclictest121rcu_preempt20:37:370
2857199439,8cyclictest41-21ksoftirqd/321:20:213
2857199438,5cyclictest41-21ksoftirqd/300:20:273
2857199438,11cyclictest41-21ksoftirqd/320:15:183
28571994314,7cyclictest41-21ksoftirqd/300:10:003
28571994313,8cyclictest41-21ksoftirqd/319:35:003
28571994312,4cyclictest41-21ksoftirqd/300:00:253
28571994311,4cyclictest41-21ksoftirqd/319:45:273
28571994311,4cyclictest41-21ksoftirqd/319:45:273
28571994310,3cyclictest41-21ksoftirqd/320:55:253
28568994311,4cyclictest9-21ksoftirqd/023:25:170
2857199429,8cyclictest41-21ksoftirqd/322:20:143
2857199429,8cyclictest41-21ksoftirqd/322:20:003
28571994230,3cyclictest41-21ksoftirqd/322:35:153
2857199422,3cyclictest121rcu_preempt00:38:453
28571994214,7cyclictest41-21ksoftirqd/322:54:593
28571994212,6cyclictest41-21ksoftirqd/322:00:263
28571994210,4cyclictest41-21ksoftirqd/323:05:013
28571994210,4cyclictest41-21ksoftirqd/300:15:253
28568994235,3cyclictest9-21ksoftirqd/000:05:000
2857199419,8cyclictest41-21ksoftirqd/320:40:003
2857199419,4cyclictest41-21ksoftirqd/319:40:003
2857199418,4cyclictest41-21ksoftirqd/323:15:193
2857199418,4cyclictest41-21ksoftirqd/323:05:123
28571994110,4cyclictest41-21ksoftirqd/300:30:153
28571994110,4cyclictest41-21ksoftirqd/300:30:153
28569994136,3cyclictest25-21ksoftirqd/122:19:591
2856899415,3cyclictest121rcu_preempt20:05:200
139391410,33ptp4l0-21swapper/319:10:003
139391410,0ptp4l401ktimersoftd/322:25:093
2857199407,3cyclictest41-21ksoftirqd/321:15:203
28571994010,8cyclictest41-21ksoftirqd/320:55:013
28571994010,4cyclictest41-21ksoftirqd/321:05:163
28571994010,4cyclictest41-21ksoftirqd/320:45:163
28569994036,2cyclictest25-21ksoftirqd/123:40:011
28569994035,3cyclictest25-21ksoftirqd/122:35:011
2856899405,3cyclictest121rcu_preempt19:50:150
28568994035,3cyclictest9-21ksoftirqd/000:10:010
2857199397,8cyclictest41-21ksoftirqd/323:50:143
2857199397,7cyclictest41-21ksoftirqd/320:30:213
2857199397,4cyclictest41-21ksoftirqd/322:30:143
28571993910,3cyclictest41-21ksoftirqd/321:40:203
28569993935,3cyclictest25-21ksoftirqd/122:40:011
28569993934,3cyclictest25-21ksoftirqd/122:00:011
28569993934,3cyclictest25-21ksoftirqd/122:00:011
28569993934,3cyclictest25-21ksoftirqd/121:40:001
28569993934,3cyclictest25-21ksoftirqd/100:40:001
28568993934,3cyclictest9-21ksoftirqd/000:19:590
28571993832,3cyclictest41-21ksoftirqd/319:20:263
28570993832,4cyclictest33-21ksoftirqd/219:45:002
28568993834,2cyclictest9-21ksoftirqd/019:20:000
28568993833,3cyclictest21327-21dump-pmu-power23:24:590
28568993832,3cyclictest207-21systemd-journal21:49:550
28568993822,4cyclictest9-21ksoftirqd/020:45:140
2857199377,4cyclictest41-21ksoftirqd/320:00:263
2857199374,4cyclictest41-21ksoftirqd/321:00:133
28571993732,3cyclictest41-21ksoftirqd/300:10:153
2857199370,5cyclictest41-21ksoftirqd/321:10:243
28570993731,4cyclictest33-21ksoftirqd/223:31:492
28570993731,4cyclictest33-21ksoftirqd/223:31:492
28569993731,4cyclictest25-21ksoftirqd/122:42:551
28569993731,4cyclictest25-21ksoftirqd/100:31:461
28569993731,4cyclictest25-21ksoftirqd/100:31:461
28569993731,3cyclictest25-21ksoftirqd/120:00:001
2856899373,6cyclictest9-21ksoftirqd/020:50:170
28568993732,3cyclictest9-21ksoftirqd/022:05:000
28568993732,3cyclictest9-21ksoftirqd/020:00:010
28568993731,4cyclictest9-21ksoftirqd/022:10:130
28568993730,5cyclictest9-21ksoftirqd/020:45:000
28570993630,4cyclictest33-21ksoftirqd/223:26:282
28570993630,4cyclictest33-21ksoftirqd/223:03:292
28570993630,4cyclictest33-21ksoftirqd/221:38:582
28569993632,3cyclictest25-21ksoftirqd/120:40:001
28569993631,3cyclictest25-21ksoftirqd/122:45:151
28569993631,3cyclictest25-21ksoftirqd/120:10:191
28569993631,3cyclictest25-21ksoftirqd/119:30:181
28569993631,3cyclictest25-21ksoftirqd/100:00:101
28569993630,4cyclictest25-21ksoftirqd/123:32:091
28569993630,4cyclictest25-21ksoftirqd/123:32:091
28569993630,4cyclictest25-21ksoftirqd/123:26:441
28569993630,4cyclictest25-21ksoftirqd/123:22:151
28569993630,4cyclictest25-21ksoftirqd/121:08:311
28569993630,4cyclictest25-21ksoftirqd/100:29:101
28568993632,3cyclictest9-21ksoftirqd/022:50:000
28568993632,2cyclictest20787-21cpuspeed_turbos20:00:140
28568993630,3cyclictest9-21ksoftirqd/020:35:010
28568993622,4cyclictest9-21ksoftirqd/000:25:250
28571993530,3cyclictest41-21ksoftirqd/319:55:223
28570993529,4cyclictest33-21ksoftirqd/221:43:432
28570993529,4cyclictest33-21ksoftirqd/221:33:202
28570993529,4cyclictest33-21ksoftirqd/221:00:472
28570993529,4cyclictest33-21ksoftirqd/219:45:052
28570993529,4cyclictest33-21ksoftirqd/219:45:042
28570993529,4cyclictest33-21ksoftirqd/200:12:062
28570993529,3cyclictest33-21ksoftirqd/220:30:132
28569993530,3cyclictest25-21ksoftirqd/120:20:181
28569993530,3cyclictest25-21ksoftirqd/119:13:231
28569993529,4cyclictest25-21ksoftirqd/123:00:081
28569993529,4cyclictest25-21ksoftirqd/122:58:191
28569993529,4cyclictest25-21ksoftirqd/121:48:271
28569993529,4cyclictest25-21ksoftirqd/119:25:571
28569993529,3cyclictest25-21ksoftirqd/122:54:591
28569993529,3cyclictest25-21ksoftirqd/119:45:001
28568993530,3cyclictest9-21ksoftirqd/022:00:000
28568993530,3cyclictest9-21ksoftirqd/022:00:000
28568993529,4cyclictest9-21ksoftirqd/022:35:000
28568993529,4cyclictest9-21ksoftirqd/021:30:570
28568993528,5cyclictest9-21ksoftirqd/021:55:000
2857199345,3cyclictest121rcu_preempt20:05:153
28570993429,3cyclictest33-21ksoftirqd/223:15:112
28570993429,3cyclictest33-21ksoftirqd/200:36:112
28570993429,3cyclictest23738-21cron21:15:002
28570993428,4cyclictest33-21ksoftirqd/223:42:002
28570993428,4cyclictest33-21ksoftirqd/222:11:192
28570993428,4cyclictest33-21ksoftirqd/219:32:332
28570993428,4cyclictest33-21ksoftirqd/200:16:262
28570993428,4cyclictest33-21ksoftirqd/200:07:362
28569993430,3cyclictest25-21ksoftirqd/120:17:241
28569993429,3cyclictest25-21ksoftirqd/121:50:191
28569993429,3cyclictest25-21ksoftirqd/121:21:481
28569993429,3cyclictest25-21ksoftirqd/120:35:001
28569993429,3cyclictest25-21ksoftirqd/119:15:181
28569993428,4cyclictest25-21ksoftirqd/123:58:011
28569993428,4cyclictest25-21ksoftirqd/122:02:481
28569993428,4cyclictest25-21ksoftirqd/121:41:371
28569993428,4cyclictest25-21ksoftirqd/121:27:091
28569993428,4cyclictest25-21ksoftirqd/121:14:261
28569993428,4cyclictest25-21ksoftirqd/120:26:101
28569993428,4cyclictest25-21ksoftirqd/100:18:341
28569993428,4cyclictest25-21ksoftirqd/100:12:441
28569993423,9cyclictest25-21ksoftirqd/120:00:201
28568993429,3cyclictest9-21ksoftirqd/022:30:000
28568993429,3cyclictest19270-21egrep21:05:140
28568993428,4cyclictest9-21ksoftirqd/020:13:340
2856899341,4cyclictest9-21ksoftirqd/021:25:210
28570993330,2cyclictest33-21ksoftirqd/223:54:592
28570993329,3cyclictest33-21ksoftirqd/222:23:472
28570993329,3cyclictest33-21ksoftirqd/221:22:552
28570993328,3cyclictest33-21ksoftirqd/223:49:552
28570993327,4cyclictest33-21ksoftirqd/223:37:552
28570993327,4cyclictest33-21ksoftirqd/223:07:222
28570993327,4cyclictest33-21ksoftirqd/222:06:422
28570993327,4cyclictest33-21ksoftirqd/220:23:362
28570993327,4cyclictest33-21ksoftirqd/220:16:182
28570993327,4cyclictest33-21ksoftirqd/219:51:112
28570993327,4cyclictest33-21ksoftirqd/200:21:042
28569993329,3cyclictest25-21ksoftirqd/121:00:011
28569993327,4cyclictest25-21ksoftirqd/123:18:541
28569993327,4cyclictest25-21ksoftirqd/123:13:521
28569993327,4cyclictest25-21ksoftirqd/122:13:581
28569993327,4cyclictest25-21ksoftirqd/121:01:181
28569993327,4cyclictest25-21ksoftirqd/120:52:471
28569993327,4cyclictest25-21ksoftirqd/120:41:441
28568993330,2cyclictest9-21ksoftirqd/022:55:130
28568993329,3cyclictest9-21ksoftirqd/022:15:190
28568993328,3cyclictest9-21ksoftirqd/022:52:460
28568993328,3cyclictest9-21ksoftirqd/021:10:190
28568993327,4cyclictest9-21ksoftirqd/021:15:170
28568993327,3cyclictest9-21ksoftirqd/021:20:190
2856899331,2cyclictest121rcu_preempt00:20:140
28570993226,4cyclictest33-21ksoftirqd/222:37:342
28569993227,3cyclictest25-21ksoftirqd/122:05:191
28569993227,3cyclictest25-21ksoftirqd/120:05:201
28569993226,4cyclictest25-21ksoftirqd/123:46:421
28569993226,4cyclictest25-21ksoftirqd/121:33:311
28569993226,4cyclictest25-21ksoftirqd/119:48:291
28569993226,4cyclictest25-21ksoftirqd/119:48:291
28569993226,4cyclictest25-21ksoftirqd/100:22:481
28568993229,2cyclictest9-21ksoftirqd/020:25:190
28568993228,2cyclictest9-21ksoftirqd/020:20:120
28568993227,3cyclictest9-21ksoftirqd/023:14:590
28568993227,3cyclictest9-21ksoftirqd/022:40:000
28568993227,3cyclictest9-21ksoftirqd/021:35:120
28568993227,3cyclictest9-21ksoftirqd/020:16:270
28568993227,3cyclictest9-21ksoftirqd/019:25:010
28568993226,4cyclictest9-21ksoftirqd/000:34:540
28568993226,4cyclictest9-21ksoftirqd/000:34:540
28568993226,3cyclictest9-21ksoftirqd/023:15:180
28568993226,3cyclictest9-21ksoftirqd/023:05:000
28568993226,3cyclictest9-21ksoftirqd/022:20:120
28570993127,3cyclictest33-21ksoftirqd/220:53:562
28570993126,3cyclictest33-21ksoftirqd/223:24:592
28570993126,3cyclictest33-21ksoftirqd/220:05:122
28570993125,4cyclictest33-21ksoftirqd/222:19:252
28570993125,4cyclictest33-21ksoftirqd/219:13:442
28569993125,4cyclictest25-21ksoftirqd/123:42:571
28569993125,4cyclictest25-21ksoftirqd/119:53:021
28569993125,4cyclictest25-21ksoftirqd/119:36:491
2856999311,2cyclictest121rcu_preempt19:25:011
28568993128,2cyclictest9-21ksoftirqd/019:45:180
28568993128,2cyclictest9-21ksoftirqd/019:45:180
28568993127,3cyclictest9-21ksoftirqd/019:40:180
28568993127,2cyclictest9-21ksoftirqd/023:55:120
28568993127,2cyclictest9-21ksoftirqd/023:55:000
28568993126,3cyclictest9-21ksoftirqd/019:35:200
28568993125,4cyclictest9-21ksoftirqd/021:43:410
28570993025,3cyclictest33-21ksoftirqd/223:12:042
28570993025,3cyclictest33-21ksoftirqd/221:45:122
28570993025,3cyclictest33-21ksoftirqd/221:29:082
28570993025,3cyclictest33-21ksoftirqd/219:59:352
28570993025,3cyclictest33-21ksoftirqd/219:16:332
28570993024,4cyclictest33-21ksoftirqd/222:58:012
28570993024,4cyclictest33-21ksoftirqd/221:54:062
28570993024,4cyclictest33-21ksoftirqd/220:14:082
28569993024,4cyclictest25-21ksoftirqd/120:48:261
28569993018,4cyclictest25-21ksoftirqd/100:05:131
2856899305,3cyclictest9-21ksoftirqd/021:00:230
28568993026,3cyclictest9-21ksoftirqd/019:30:010
28568993026,2cyclictest9-21ksoftirqd/022:05:140
28568993025,3cyclictest9-21ksoftirqd/023:30:190
28568993025,3cyclictest9-21ksoftirqd/023:30:190
28568993025,3cyclictest9-21ksoftirqd/000:15:010
28568993024,4cyclictest9-21ksoftirqd/022:40:450
28568993015,5cyclictest9-21ksoftirqd/023:49:500
28570992924,3cyclictest33-21ksoftirqd/222:00:202
28570992924,3cyclictest33-21ksoftirqd/221:57:552
28570992924,3cyclictest33-21ksoftirqd/221:57:552
28570992924,3cyclictest33-21ksoftirqd/221:16:322
28570992924,3cyclictest33-21ksoftirqd/219:28:212
28570992923,4cyclictest33-21ksoftirqd/220:37:282
28570992923,4cyclictest33-21ksoftirqd/219:24:512
28569992924,3cyclictest25-21ksoftirqd/122:21:311
28569992924,3cyclictest25-21ksoftirqd/121:15:541
28569992923,4cyclictest25-21ksoftirqd/123:06:581
28569992911,11cyclictest25-21ksoftirqd/122:25:191
28570992824,3cyclictest33-21ksoftirqd/220:56:012
28570992823,3cyclictest33-21ksoftirqd/222:45:252
28570992823,3cyclictest33-21ksoftirqd/220:04:312
28570992823,3cyclictest33-21ksoftirqd/219:38:432
28570992823,3cyclictest33-21ksoftirqd/200:27:522
28568992822,4cyclictest9-21ksoftirqd/023:09:090
28570992722,3cyclictest33-21ksoftirqd/223:56:002
28570992722,3cyclictest33-21ksoftirqd/222:51:192
28570992722,3cyclictest33-21ksoftirqd/221:07:512
28570992722,3cyclictest33-21ksoftirqd/200:00:112
28570992720,5cyclictest33-21ksoftirqd/222:26:272
28569992722,3cyclictest25-21ksoftirqd/123:52:541
28568992722,3cyclictest9-21ksoftirqd/023:40:120
28568992722,3cyclictest9-21ksoftirqd/019:15:000
28570992622,3cyclictest33-21ksoftirqd/222:40:572
28570992621,3cyclictest33-21ksoftirqd/222:30:442
28570992621,3cyclictest33-21ksoftirqd/220:47:202
28570992620,4cyclictest33-21ksoftirqd/200:34:452
28570992620,4cyclictest33-21ksoftirqd/200:34:442
28570992520,3cyclictest33-21ksoftirqd/220:41:362
28568992520,3cyclictest9-21ksoftirqd/020:55:280
28570992318,3cyclictest33-21ksoftirqd/220:25:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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