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2026-05-13 - 14:44
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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 376 highest latencies:
System rackdslot2.osadl.org (updated Wed May 13, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2734623450,10sleep233-21ksoftirqd/219:05:142
291622252197,44sleep30-21swapper/319:09:593
291222207175,21sleep10-21swapper/119:09:291
290042207173,23sleep00-21swapper/019:07:540
3178021320,2sleep00-21swapper/019:15:000
139291610,53ptp4l0-21swapper/319:10:013
187232580,6sleep118726-21cpuspeed_turbos19:55:131
37862570,2sleep00-21swapper/022:45:170
29458995315,7cyclictest41-21ksoftirqd/323:45:003
29458995121,3cyclictest41-21ksoftirqd/300:30:203
29458995119,4cyclictest41-21ksoftirqd/300:20:163
29458994943,4cyclictest17216-21cron23:15:013
29458994917,3cyclictest41-21ksoftirqd/323:00:303
2945899491,3cyclictest121rcu_preempt19:30:003
139291490,1ptp4l401ktimersoftd/323:06:213
135291490,2getstats0-21swapper/321:25:103
29458994816,3cyclictest41-21ksoftirqd/319:55:193
139291480,0ptp4l401ktimersoftd/319:17:033
139291480,0ptp4l401ktimersoftd/319:17:023
29458994717,4cyclictest41-21ksoftirqd/323:25:243
29458994716,4cyclictest41-21ksoftirqd/321:55:193
29458994617,4cyclictest41-21ksoftirqd/322:37:003
29458994615,8cyclictest41-21ksoftirqd/319:20:253
29458994615,4cyclictest41-21ksoftirqd/320:17:153
29458994614,3cyclictest41-21ksoftirqd/321:00:253
29458994613,3cyclictest41-21ksoftirqd/320:35:123
29458994612,4cyclictest41-21ksoftirqd/322:15:273
29458994612,4cyclictest41-21ksoftirqd/321:00:013
29458994612,4cyclictest41-21ksoftirqd/300:05:013
29458994611,3cyclictest41-21ksoftirqd/321:20:003
2945899459,8cyclictest41-21ksoftirqd/322:45:243
29458994517,7cyclictest41-21ksoftirqd/320:00:133
29458994513,5cyclictest41-21ksoftirqd/323:00:003
29458994513,4cyclictest41-21ksoftirqd/321:10:283
29458994513,4cyclictest41-21ksoftirqd/319:40:143
29458994512,8cyclictest41-21ksoftirqd/322:30:213
2945899448,4cyclictest41-21ksoftirqd/321:40:263
29458994416,3cyclictest41-21ksoftirqd/323:55:183
29458994415,8cyclictest41-21ksoftirqd/300:05:143
29458994415,7cyclictest41-21ksoftirqd/319:30:193
29458994415,6cyclictest41-21ksoftirqd/321:50:143
29458994414,4cyclictest41-21ksoftirqd/320:25:203
29458994413,4cyclictest41-21ksoftirqd/320:50:183
29458994413,4cyclictest41-21ksoftirqd/300:20:003
29458994412,8cyclictest41-21ksoftirqd/320:25:013
29458994411,8cyclictest41-21ksoftirqd/323:45:253
29458994411,8cyclictest41-21ksoftirqd/319:50:143
29458994410,4cyclictest41-21ksoftirqd/322:00:183
2945899439,3cyclictest41-21ksoftirqd/320:40:143
29458994311,7cyclictest41-21ksoftirqd/300:10:013
29458994311,4cyclictest41-21ksoftirqd/300:35:173
29458994210,8cyclictest41-21ksoftirqd/323:35:243
29458994210,7cyclictest41-21ksoftirqd/322:30:003
29458994210,3cyclictest41-21ksoftirqd/300:25:263
139291420,0ptp4l401ktimersoftd/322:41:043
2945899416,7cyclictest41-21ksoftirqd/321:05:143
2945899416,7cyclictest41-21ksoftirqd/321:05:143
29458994110,7cyclictest41-21ksoftirqd/323:30:133
29458994110,7cyclictest41-21ksoftirqd/323:15:173
29457994137,2cyclictest33-21ksoftirqd/222:40:012
139291410,0ptp4l401ktimersoftd/320:47:273
2945899409,4cyclictest41-21ksoftirqd/321:35:143
2945899409,4cyclictest41-21ksoftirqd/321:35:143
2945899407,7cyclictest41-21ksoftirqd/322:50:263
2945899407,4cyclictest41-21ksoftirqd/320:05:203
2945899404,4cyclictest41-21ksoftirqd/319:35:213
2945899402,7cyclictest41-21ksoftirqd/321:20:123
29458994013,6cyclictest41-21ksoftirqd/319:45:233
2945899393,4cyclictest41-21ksoftirqd/322:20:143
2945899393,4cyclictest41-21ksoftirqd/320:10:143
29458993934,3cyclictest41-21ksoftirqd/322:10:273
29458993910,7cyclictest41-21ksoftirqd/321:45:273
29457993934,3cyclictest33-21ksoftirqd/223:21:562
2945699390,37cyclictest0-21swapper/122:26:051
29455993933,3cyclictest7613-21ls20:39:590
29455993932,4cyclictest18661-21cron22:10:010
29455993932,4cyclictest18661-21cron22:10:000
29458993831,4cyclictest41-21ksoftirqd/323:52:273
2945899383,11cyclictest41-21ksoftirqd/321:30:253
29457993832,4cyclictest33-21ksoftirqd/221:46:462
29457993832,4cyclictest33-21ksoftirqd/200:08:352
29456993832,4cyclictest25-21ksoftirqd/121:35:301
29456993832,4cyclictest25-21ksoftirqd/121:35:301
29455993833,3cyclictest9-21ksoftirqd/000:00:000
29458993732,3cyclictest41-21ksoftirqd/320:30:153
29457993732,3cyclictest33-21ksoftirqd/220:39:182
29457993732,3cyclictest33-21ksoftirqd/219:57:512
29457993731,4cyclictest33-21ksoftirqd/200:23:032
29456993732,3cyclictest25-21ksoftirqd/100:08:001
29456993731,4cyclictest25-21ksoftirqd/120:25:101
29455993731,4cyclictest9-21ksoftirqd/023:24:320
41298360,2rtkit-daemon0-21swapper/023:30:070
29458993631,3cyclictest41-21ksoftirqd/322:08:453
29458993631,3cyclictest41-21ksoftirqd/322:08:443
29458993631,2cyclictest41-21ksoftirqd/323:20:203
29457993631,3cyclictest33-21ksoftirqd/222:55:272
29457993630,4cyclictest33-21ksoftirqd/223:48:212
29457993630,4cyclictest33-21ksoftirqd/220:42:402
29457993630,4cyclictest33-21ksoftirqd/220:16:202
29457993630,4cyclictest33-21ksoftirqd/220:13:162
29457993630,4cyclictest33-21ksoftirqd/219:52:162
29457993630,4cyclictest33-21ksoftirqd/200:38:322
29456993630,4cyclictest25-21ksoftirqd/100:24:311
29455993630,4cyclictest9-21ksoftirqd/023:50:200
29455993630,3cyclictest9-21ksoftirqd/020:40:200
29457993530,3cyclictest33-21ksoftirqd/223:55:122
29457993530,3cyclictest33-21ksoftirqd/219:21:452
29457993529,4cyclictest33-21ksoftirqd/223:19:052
29457993529,4cyclictest33-21ksoftirqd/222:15:302
29457993529,4cyclictest33-21ksoftirqd/222:14:502
29457993529,4cyclictest33-21ksoftirqd/222:01:192
29457993529,4cyclictest33-21ksoftirqd/221:41:122
29457993529,4cyclictest33-21ksoftirqd/219:17:392
29457993529,4cyclictest33-21ksoftirqd/219:17:392
29457993529,4cyclictest33-21ksoftirqd/200:19:142
29456993530,3cyclictest25-21ksoftirqd/122:59:071
29456993530,3cyclictest25-21ksoftirqd/119:20:371
29456993529,4cyclictest25-21ksoftirqd/123:46:001
29456993529,4cyclictest25-21ksoftirqd/122:46:391
29456993529,4cyclictest25-21ksoftirqd/122:41:451
29456993529,4cyclictest25-21ksoftirqd/121:47:021
29456993529,4cyclictest25-21ksoftirqd/121:42:241
29456993529,4cyclictest25-21ksoftirqd/121:32:211
29456993529,4cyclictest25-21ksoftirqd/120:18:191
29456993529,4cyclictest25-21ksoftirqd/119:25:441
29456993529,4cyclictest25-21ksoftirqd/100:28:361
29456993526,5cyclictest25-21ksoftirqd/123:35:121
29455993530,3cyclictest9-21ksoftirqd/022:25:150
29455993529,4cyclictest9-21ksoftirqd/021:46:200
29455993529,4cyclictest9-21ksoftirqd/020:01:540
29455993529,3cyclictest9-21ksoftirqd/019:40:000
29457993429,3cyclictest33-21ksoftirqd/223:39:592
29457993429,3cyclictest33-21ksoftirqd/223:07:032
29457993429,3cyclictest33-21ksoftirqd/222:55:002
29457993429,3cyclictest33-21ksoftirqd/220:55:112
29457993429,3cyclictest33-21ksoftirqd/219:35:182
29457993428,4cyclictest33-21ksoftirqd/223:27:432
29457993428,4cyclictest33-21ksoftirqd/221:22:122
29457993428,4cyclictest33-21ksoftirqd/220:21:572
29457993428,4cyclictest33-21ksoftirqd/220:01:402
29457993428,4cyclictest33-21ksoftirqd/219:30:392
29456993429,3cyclictest25-21ksoftirqd/123:40:011
29456993429,3cyclictest25-21ksoftirqd/123:24:501
29456993429,3cyclictest25-21ksoftirqd/123:06:311
29456993429,3cyclictest25-21ksoftirqd/120:22:441
29456993428,4cyclictest25-21ksoftirqd/100:11:521
29456993428,4cyclictest25-21ksoftirqd/100:04:371
29455993429,3cyclictest9-21ksoftirqd/019:34:100
29455993428,4cyclictest9-21ksoftirqd/023:38:000
29455993428,4cyclictest9-21ksoftirqd/021:38:130
29455993428,4cyclictest9-21ksoftirqd/021:38:130
29455993428,4cyclictest9-21ksoftirqd/020:54:090
29455993428,4cyclictest9-21ksoftirqd/020:19:430
29455993428,4cyclictest9-21ksoftirqd/019:57:010
29455993428,4cyclictest9-21ksoftirqd/019:18:420
29455993428,4cyclictest9-21ksoftirqd/019:18:420
29455993428,4cyclictest9-21ksoftirqd/000:38:300
29455993428,4cyclictest9-21ksoftirqd/000:26:150
29455993428,3cyclictest9-21ksoftirqd/000:35:000
29455993426,5cyclictest9-21ksoftirqd/021:05:230
29455993426,5cyclictest9-21ksoftirqd/021:05:230
29457993328,3cyclictest33-21ksoftirqd/222:07:362
29457993328,3cyclictest33-21ksoftirqd/222:07:362
29457993328,3cyclictest33-21ksoftirqd/220:54:422
29457993328,3cyclictest33-21ksoftirqd/220:25:142
29457993327,4cyclictest33-21ksoftirqd/221:51:242
29457993327,4cyclictest33-21ksoftirqd/221:30:542
29457993327,4cyclictest33-21ksoftirqd/200:11:202
29457993327,3cyclictest33-21ksoftirqd/222:45:192
29457993322,9cyclictest33-21ksoftirqd/200:25:162
29457993321,10cyclictest33-21ksoftirqd/219:45:262
29456993328,3cyclictest25-21ksoftirqd/123:30:471
29456993328,3cyclictest25-21ksoftirqd/123:10:141
29456993328,3cyclictest25-21ksoftirqd/121:25:431
29456993328,3cyclictest25-21ksoftirqd/120:05:001
29456993328,3cyclictest25-21ksoftirqd/119:39:551
29456993328,3cyclictest25-21ksoftirqd/100:35:371
29456993327,4cyclictest25-21ksoftirqd/123:58:431
29456993327,4cyclictest25-21ksoftirqd/122:36:431
29456993327,4cyclictest25-21ksoftirqd/122:22:521
29456993327,4cyclictest25-21ksoftirqd/122:04:221
29456993327,4cyclictest25-21ksoftirqd/121:18:491
29456993327,4cyclictest25-21ksoftirqd/120:33:081
29456993327,4cyclictest25-21ksoftirqd/120:10:091
29456993327,4cyclictest25-21ksoftirqd/119:52:121
29456993327,4cyclictest25-21ksoftirqd/100:32:491
29455993328,3cyclictest9-21ksoftirqd/019:50:180
29455993327,4cyclictest9-21ksoftirqd/022:52:390
29455993327,4cyclictest9-21ksoftirqd/022:34:470
29455993327,4cyclictest9-21ksoftirqd/022:11:150
29455993327,4cyclictest9-21ksoftirqd/021:57:200
29455993327,4cyclictest9-21ksoftirqd/021:34:250
29455993327,4cyclictest9-21ksoftirqd/020:28:530
29455993327,4cyclictest9-21ksoftirqd/000:20:370
29457993227,3cyclictest33-21ksoftirqd/223:01:382
29457993227,3cyclictest33-21ksoftirqd/221:09:372
29457993227,3cyclictest33-21ksoftirqd/221:09:372
29457993226,4cyclictest33-21ksoftirqd/223:13:312
29457993226,4cyclictest33-21ksoftirqd/222:27:302
29457993226,4cyclictest33-21ksoftirqd/222:22:162
29457993226,4cyclictest33-21ksoftirqd/200:01:172
29457993226,3cyclictest33-21ksoftirqd/222:40:142
29457993221,9cyclictest33-21ksoftirqd/222:30:132
29456993227,3cyclictest25-21ksoftirqd/121:50:061
29456993227,3cyclictest25-21ksoftirqd/120:47:141
29456993227,3cyclictest25-21ksoftirqd/119:34:581
29456993227,3cyclictest25-21ksoftirqd/100:15:121
29456993226,4cyclictest25-21ksoftirqd/123:02:281
29456993226,4cyclictest25-21ksoftirqd/122:34:071
29456993226,4cyclictest25-21ksoftirqd/121:03:211
29456993226,4cyclictest25-21ksoftirqd/119:42:181
29455993227,3cyclictest9-21ksoftirqd/021:29:160
29455993227,3cyclictest9-21ksoftirqd/020:55:190
29455993227,3cyclictest9-21ksoftirqd/000:07:050
29455993226,4cyclictest9-21ksoftirqd/023:47:030
29455993226,4cyclictest9-21ksoftirqd/022:36:030
29455993226,4cyclictest9-21ksoftirqd/021:01:390
29455993226,4cyclictest9-21ksoftirqd/000:12:180
29455993226,3cyclictest9-21ksoftirqd/020:05:050
29457993127,2cyclictest33-21ksoftirqd/221:14:242
29457993126,3cyclictest33-21ksoftirqd/221:35:112
29457993126,3cyclictest33-21ksoftirqd/221:35:112
29457993126,3cyclictest33-21ksoftirqd/221:26:032
29457993126,3cyclictest33-21ksoftirqd/220:35:002
29457993125,4cyclictest33-21ksoftirqd/223:52:342
29457993125,4cyclictest33-21ksoftirqd/200:32:022
29456993126,3cyclictest25-21ksoftirqd/122:51:091
29456993126,3cyclictest25-21ksoftirqd/121:06:221
29456993126,3cyclictest25-21ksoftirqd/121:06:221
29456993126,3cyclictest25-21ksoftirqd/119:13:131
29456993125,4cyclictest25-21ksoftirqd/122:11:571
29456993125,3cyclictest25-21ksoftirqd/120:40:191
29455993126,3cyclictest9-21ksoftirqd/023:29:340
29455993126,3cyclictest9-21ksoftirqd/023:04:300
29455993126,3cyclictest9-21ksoftirqd/021:40:200
29455993126,3cyclictest9-21ksoftirqd/019:46:200
29455993126,3cyclictest9-21ksoftirqd/019:28:290
29455993125,4cyclictest9-21ksoftirqd/019:20:380
29455993125,4cyclictest9-21ksoftirqd/000:03:440
29457993025,3cyclictest33-21ksoftirqd/223:43:302
29457993025,3cyclictest33-21ksoftirqd/219:10:182
29457993019,9cyclictest33-21ksoftirqd/220:45:142
29456993026,3cyclictest25-21ksoftirqd/123:20:011
29456993025,3cyclictest25-21ksoftirqd/122:15:191
29456993025,3cyclictest25-21ksoftirqd/121:55:111
29456993025,3cyclictest25-21ksoftirqd/121:20:051
29456993025,3cyclictest25-21ksoftirqd/120:38:261
29456993025,3cyclictest25-21ksoftirqd/119:18:381
29456993025,3cyclictest25-21ksoftirqd/119:18:371
29455993025,3cyclictest9-21ksoftirqd/021:50:450
29455993025,3cyclictest9-21ksoftirqd/021:17:200
29455993024,4cyclictest9-21ksoftirqd/020:45:390
29457992924,3cyclictest33-21ksoftirqd/221:55:572
29457992924,3cyclictest33-21ksoftirqd/221:16:382
29457992924,3cyclictest33-21ksoftirqd/219:26:282
29456992923,4cyclictest25-21ksoftirqd/121:11:191
29455992924,3cyclictest9-21ksoftirqd/023:20:000
29455992924,3cyclictest9-21ksoftirqd/023:08:040
29455992924,3cyclictest9-21ksoftirqd/021:23:120
29455992923,4cyclictest9-21ksoftirqd/022:57:450
29457992823,3cyclictest33-21ksoftirqd/221:00:192
29457992823,3cyclictest33-21ksoftirqd/219:40:402
29456992822,4cyclictest25-21ksoftirqd/123:52:461
29455992824,2cyclictest9-21ksoftirqd/021:10:240
29455992823,3cyclictest9-21ksoftirqd/023:41:410
29455992823,3cyclictest9-21ksoftirqd/023:14:370
29455992823,3cyclictest9-21ksoftirqd/022:20:580
29455992823,3cyclictest9-21ksoftirqd/022:20:000
29455992823,3cyclictest9-21ksoftirqd/000:15:110
29455992822,4cyclictest9-21ksoftirqd/022:40:450
29455992822,4cyclictest9-21ksoftirqd/020:11:050
29456992722,3cyclictest25-21ksoftirqd/120:52:521
29456992721,4cyclictest25-21ksoftirqd/120:58:511
29456992721,4cyclictest25-21ksoftirqd/119:48:391
29455992721,4cyclictest9-21ksoftirqd/020:32:420
29455992721,4cyclictest9-21ksoftirqd/019:44:560
29457992621,3cyclictest33-21ksoftirqd/223:32:142
29456992621,3cyclictest25-21ksoftirqd/123:29:511
29456992620,4cyclictest25-21ksoftirqd/120:07:281
29455992620,4cyclictest9-21ksoftirqd/020:22:150
29457992520,3cyclictest33-21ksoftirqd/220:05:392
29455992519,4cyclictest9-21ksoftirqd/022:03:420
29456992217,3cyclictest25-21ksoftirqd/122:09:321
29456992217,3cyclictest25-21ksoftirqd/122:09:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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