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2026-04-20 - 09:35
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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 Apr 20, 2026 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118702236168,23sleep00-21swapper/019:07:380
99142231168,52sleep10-21swapper/119:05:021
139591230168,50phc2sys0-21swapper/319:06:433
118272204171,22sleep20-21swapper/219:07:042
2106521720,5sleep01234499cyclictest20:35:150
41298920,70rtkit-daemon0-21swapper/119:10:011
139291620,1ptp4l401ktimersoftd/323:39:083
225482590,7sleep01234499cyclictest19:30:160
211862590,2sleep00-21swapper/022:50:170
282402580,8sleep11234599cyclictest21:55:271
139291550,1ptp4l401ktimersoftd/323:00:253
139291520,1ptp4l391rcuc/323:15:163
180642500,2sleep00-21swapper/022:45:010
41298480,11rtkit-daemon0-21swapper/122:23:001
156202480,2sleep30-21swapper/323:45:173
12347994741,4cyclictest7293-21cron21:15:003
152602450,2sleep10-21swapper/120:20:281
139291450,0ptp4l401ktimersoftd/300:39:293
139291440,0ptp4l401ktimersoftd/321:51:173
139291430,0ptp4l401ktimersoftd/323:28:333
12345994234,4cyclictest25-21ksoftirqd/120:10:131
41298410,2rtkit-daemon0-21swapper/022:55:120
12344994135,3cyclictest9-21ksoftirqd/022:29:590
12347994035,3cyclictest41-21ksoftirqd/300:25:013
12347994033,4cyclictest18233-21cron20:30:003
12346994025,13cyclictest33-21ksoftirqd/200:15:362
1234599390,38cyclictest0-21swapper/100:36:551
139291380,1ptp4l401ktimersoftd/320:21:303
12347993833,3cyclictest41-21ksoftirqd/319:15:243
12347993832,4cyclictest41-21ksoftirqd/322:17:163
12347993832,4cyclictest41-21ksoftirqd/319:59:563
12346993833,3cyclictest13202-21cron22:35:002
12346993833,3cyclictest13202-21cron22:35:002
1234699383,2cyclictest121rcu_preempt21:17:022
12347993732,3cyclictest41-21ksoftirqd/321:50:013
12347993732,3cyclictest41-21ksoftirqd/321:40:013
12347993732,3cyclictest41-21ksoftirqd/300:00:123
12347993731,4cyclictest41-21ksoftirqd/319:53:223
12347993731,4cyclictest41-21ksoftirqd/300:12:093
12347993731,4cyclictest41-21ksoftirqd/300:12:093
12346993732,3cyclictest33-21ksoftirqd/221:02:292
12346993732,3cyclictest33-21ksoftirqd/221:02:292
12346993731,4cyclictest33-21ksoftirqd/223:36:422
12346993731,4cyclictest33-21ksoftirqd/220:52:582
12346993731,4cyclictest33-21ksoftirqd/220:23:542
12346993731,4cyclictest33-21ksoftirqd/200:05:382
12345993731,4cyclictest25-21ksoftirqd/121:51:461
12345993731,4cyclictest25-21ksoftirqd/121:11:261
12345993731,4cyclictest25-21ksoftirqd/120:54:181
12344993733,3cyclictest9-21ksoftirqd/023:30:000
12344993732,3cyclictest9-21ksoftirqd/021:54:590
12344993731,4cyclictest9-21ksoftirqd/023:13:170
12344993731,4cyclictest9-21ksoftirqd/020:07:270
41298360,2rtkit-daemon0-21swapper/019:26:580
12347993632,3cyclictest41-21ksoftirqd/322:40:203
12347993631,3cyclictest41-21ksoftirqd/322:25:003
12347993631,3cyclictest41-21ksoftirqd/320:57:203
12347993631,3cyclictest41-21ksoftirqd/319:50:003
12347993631,3cyclictest41-21ksoftirqd/300:32:543
12347993631,3cyclictest41-21ksoftirqd/300:26:103
12347993630,4cyclictest41-21ksoftirqd/322:57:233
12347993630,4cyclictest41-21ksoftirqd/322:36:123
12347993630,4cyclictest41-21ksoftirqd/322:07:203
12347993630,4cyclictest41-21ksoftirqd/321:44:423
12347993630,4cyclictest41-21ksoftirqd/320:31:013
12347993630,4cyclictest41-21ksoftirqd/319:42:393
12347993630,3cyclictest41-21ksoftirqd/323:55:003
12346993630,4cyclictest33-21ksoftirqd/221:07:422
12346993630,4cyclictest33-21ksoftirqd/220:33:532
12346993630,4cyclictest33-21ksoftirqd/220:08:132
12345993631,3cyclictest25-21ksoftirqd/123:09:521
12345993631,3cyclictest25-21ksoftirqd/122:55:011
12345993631,3cyclictest25-21ksoftirqd/121:20:121
12345993631,3cyclictest25-21ksoftirqd/119:37:551
12345993630,4cyclictest25-21ksoftirqd/123:41:501
12345993630,4cyclictest25-21ksoftirqd/122:40:071
12345993630,4cyclictest25-21ksoftirqd/122:26:201
12345993630,4cyclictest25-21ksoftirqd/121:35:581
12345993630,4cyclictest25-21ksoftirqd/121:25:591
12345993630,4cyclictest25-21ksoftirqd/119:15:421
12344993630,4cyclictest9-21ksoftirqd/021:49:240
12344993630,4cyclictest9-21ksoftirqd/021:15:070
12344993630,4cyclictest9-21ksoftirqd/020:22:030
12344993629,5cyclictest9-21ksoftirqd/000:36:010
1234499360,2cyclictest121rcu_preempt23:21:120
12347993532,2cyclictest41-21ksoftirqd/322:55:013
12347993531,3cyclictest41-21ksoftirqd/319:20:143
12347993530,3cyclictest41-21ksoftirqd/321:27:093
12347993530,3cyclictest41-21ksoftirqd/320:45:123
12347993529,4cyclictest41-21ksoftirqd/323:32:013
12347993529,4cyclictest41-21ksoftirqd/320:54:403
12347993529,4cyclictest41-21ksoftirqd/319:39:503
12346993530,3cyclictest33-21ksoftirqd/223:55:132
12346993530,3cyclictest33-21ksoftirqd/222:03:272
12346993530,3cyclictest33-21ksoftirqd/220:02:562
12346993530,3cyclictest29167-21cron19:45:002
12346993529,4cyclictest33-21ksoftirqd/222:13:502
12346993529,4cyclictest33-21ksoftirqd/222:07:402
12346993529,4cyclictest33-21ksoftirqd/221:41:042
12346993529,4cyclictest33-21ksoftirqd/220:38:022
12346993529,4cyclictest33-21ksoftirqd/219:29:302
12346993529,4cyclictest33-21ksoftirqd/219:11:162
12345993530,3cyclictest25-21ksoftirqd/100:08:261
12345993529,4cyclictest25-21ksoftirqd/121:40:591
12345993529,4cyclictest25-21ksoftirqd/120:59:151
12345993515,3cyclictest15190-21uptime22:35:261
12344993529,4cyclictest9-21ksoftirqd/023:50:400
12344993529,4cyclictest9-21ksoftirqd/023:09:200
12344993529,4cyclictest9-21ksoftirqd/021:27:060
12344993529,4cyclictest9-21ksoftirqd/019:52:350
12344993529,3cyclictest9-21ksoftirqd/021:55:140
12344993528,5cyclictest9-21ksoftirqd/020:03:300
12347993430,3cyclictest41-21ksoftirqd/300:15:153
12347993429,3cyclictest41-21ksoftirqd/321:20:003
12347993429,3cyclictest41-21ksoftirqd/321:01:503
12347993429,3cyclictest41-21ksoftirqd/321:01:503
12347993428,4cyclictest41-21ksoftirqd/323:23:183
12347993428,4cyclictest41-21ksoftirqd/321:23:563
12347993428,4cyclictest41-21ksoftirqd/321:09:203
12347993427,4cyclictest41-21ksoftirqd/323:05:093
12346993429,3cyclictest33-21ksoftirqd/223:27:472
12346993429,3cyclictest33-21ksoftirqd/223:11:532
12346993428,4cyclictest33-21ksoftirqd/222:35:402
12346993428,4cyclictest33-21ksoftirqd/221:13:162
12346993428,4cyclictest33-21ksoftirqd/220:12:542
12346993428,4cyclictest33-21ksoftirqd/200:11:042
12346993428,4cyclictest33-21ksoftirqd/200:11:032
12345993429,3cyclictest25-21ksoftirqd/123:11:121
12345993429,3cyclictest25-21ksoftirqd/123:04:311
12345993429,3cyclictest25-21ksoftirqd/121:30:121
12345993429,3cyclictest25-21ksoftirqd/121:17:441
12345993428,4cyclictest25-21ksoftirqd/122:02:251
12345993428,4cyclictest25-21ksoftirqd/119:51:231
12345993428,4cyclictest25-21ksoftirqd/119:32:101
12344993429,3cyclictest9-21ksoftirqd/023:48:150
12344993429,3cyclictest9-21ksoftirqd/023:16:570
12344993429,3cyclictest9-21ksoftirqd/022:12:270
12344993428,4cyclictest9-21ksoftirqd/022:33:580
12344993428,4cyclictest9-21ksoftirqd/022:33:580
12344993428,4cyclictest9-21ksoftirqd/021:13:330
12344993428,4cyclictest9-21ksoftirqd/020:57:290
12344993428,4cyclictest9-21ksoftirqd/019:16:480
12344993428,4cyclictest9-21ksoftirqd/019:13:510
12344993428,4cyclictest9-21ksoftirqd/000:31:040
12344993428,4cyclictest9-21ksoftirqd/000:17:430
139291330,0ptp4l401ktimersoftd/300:05:003
12347993328,3cyclictest41-21ksoftirqd/322:45:143
12347993327,4cyclictest41-21ksoftirqd/321:55:053
12347993327,4cyclictest41-21ksoftirqd/320:05:453
12346993329,3cyclictest33-21ksoftirqd/200:02:532
12346993328,3cyclictest33-21ksoftirqd/222:41:082
12346993328,3cyclictest33-21ksoftirqd/222:26:202
12346993328,3cyclictest33-21ksoftirqd/220:47:042
12346993328,3cyclictest33-21ksoftirqd/200:25:542
12346993328,3cyclictest33-21ksoftirqd/200:22:202
12346993327,4cyclictest33-21ksoftirqd/219:37:122
12346993327,4cyclictest33-21ksoftirqd/219:17:542
12346993323,4cyclictest33-21ksoftirqd/221:33:422
12345993329,3cyclictest25-21ksoftirqd/120:17:531
12345993328,3cyclictest25-21ksoftirqd/120:30:051
12345993327,4cyclictest25-21ksoftirqd/123:32:271
12345993327,4cyclictest25-21ksoftirqd/123:29:221
12345993327,4cyclictest25-21ksoftirqd/120:26:211
12345993327,4cyclictest25-21ksoftirqd/100:21:181
12344993329,2cyclictest9-21ksoftirqd/019:20:190
12344993328,3cyclictest9-21ksoftirqd/022:47:420
12344993328,3cyclictest9-21ksoftirqd/021:21:160
12344993327,4cyclictest9-21ksoftirqd/023:56:130
12344993327,4cyclictest9-21ksoftirqd/023:42:290
12344993327,4cyclictest9-21ksoftirqd/020:32:500
12344993327,3cyclictest9-21ksoftirqd/020:44:090
12344993326,4cyclictest9-21ksoftirqd/000:21:160
139291320,0ptp4l401ktimersoftd/320:41:243
12347993228,2cyclictest41-21ksoftirqd/323:59:593
12347993227,3cyclictest41-21ksoftirqd/320:11:263
12347993226,4cyclictest41-21ksoftirqd/322:01:423
12347993226,4cyclictest41-21ksoftirqd/320:00:523
12347993226,4cyclictest41-21ksoftirqd/319:14:303
12347993220,10cyclictest41-21ksoftirqd/322:10:253
12346993227,3cyclictest33-21ksoftirqd/221:53:102
12346993227,3cyclictest33-21ksoftirqd/221:49:012
12346993227,3cyclictest33-21ksoftirqd/221:23:182
12346993227,3cyclictest33-21ksoftirqd/219:59:142
12346993227,3cyclictest33-21ksoftirqd/219:34:152
12346993226,3cyclictest33-21ksoftirqd/219:49:242
12345993227,3cyclictest25-21ksoftirqd/120:45:391
12345993227,3cyclictest25-21ksoftirqd/119:21:541
12345993226,4cyclictest25-21ksoftirqd/122:59:381
12345993226,4cyclictest25-21ksoftirqd/120:00:581
12345993226,4cyclictest25-21ksoftirqd/119:55:201
12345993226,4cyclictest25-21ksoftirqd/100:02:271
12344993227,3cyclictest9-21ksoftirqd/019:49:060
12344993227,3cyclictest9-21ksoftirqd/019:44:290
12344993227,3cyclictest9-21ksoftirqd/019:37:100
12344993226,4cyclictest9-21ksoftirqd/020:17:540
12344993226,4cyclictest9-21ksoftirqd/000:29:270
12344993226,4cyclictest9-21ksoftirqd/000:13:020
12344993226,4cyclictest9-21ksoftirqd/000:13:010
12344993226,3cyclictest9-21ksoftirqd/022:20:130
12344993225,5cyclictest9-21ksoftirqd/021:32:520
139291310,0ptp4l401ktimersoftd/319:25:513
12347993126,3cyclictest41-21ksoftirqd/323:13:183
12347993126,3cyclictest41-21ksoftirqd/322:33:533
12347993126,3cyclictest41-21ksoftirqd/322:33:523
12347993126,3cyclictest41-21ksoftirqd/320:15:123
12347993126,3cyclictest41-21ksoftirqd/319:35:003
12346993126,3cyclictest33-21ksoftirqd/200:39:522
12346993125,4cyclictest33-21ksoftirqd/223:23:382
12346993125,4cyclictest33-21ksoftirqd/221:57:252
12346993125,4cyclictest33-21ksoftirqd/221:39:482
12346993125,4cyclictest33-21ksoftirqd/220:58:362
12346993125,4cyclictest33-21ksoftirqd/219:23:402
12345993126,3cyclictest25-21ksoftirqd/119:43:001
12345993125,4cyclictest25-21ksoftirqd/100:19:011
12344993126,3cyclictest9-21ksoftirqd/023:02:550
12344993126,3cyclictest9-21ksoftirqd/022:36:280
12344993126,3cyclictest9-21ksoftirqd/020:13:410
12344993125,4cyclictest9-21ksoftirqd/022:15:480
12344993124,4cyclictest9-21ksoftirqd/021:42:430
12346993025,3cyclictest33-21ksoftirqd/221:25:252
12346993024,4cyclictest33-21ksoftirqd/223:53:582
12346993024,4cyclictest33-21ksoftirqd/223:19:012
12346993023,4cyclictest33-21ksoftirqd/223:47:592
12345993025,3cyclictest25-21ksoftirqd/122:30:531
12345993025,3cyclictest25-21ksoftirqd/122:30:531
12345993025,3cyclictest25-21ksoftirqd/119:49:591
12345993025,3cyclictest25-21ksoftirqd/119:27:441
12345993024,4cyclictest25-21ksoftirqd/123:52:051
12345993024,4cyclictest25-21ksoftirqd/122:09:141
12344993025,3cyclictest9-21ksoftirqd/022:05:410
12344993025,3cyclictest9-21ksoftirqd/022:04:580
12344993024,4cyclictest9-21ksoftirqd/023:32:230
12344993024,4cyclictest9-21ksoftirqd/020:29:210
12344993024,3cyclictest9-21ksoftirqd/000:04:240
2361522923,3sleep233-21ksoftirqd/220:40:152
12347992924,3cyclictest41-21ksoftirqd/323:43:453
12346992924,3cyclictest33-21ksoftirqd/223:07:412
12346992924,3cyclictest33-21ksoftirqd/223:00:072
12346992924,3cyclictest33-21ksoftirqd/222:16:532
12346992923,4cyclictest33-21ksoftirqd/223:43:542
12345992924,3cyclictest25-21ksoftirqd/121:48:401
12345992924,3cyclictest25-21ksoftirqd/120:35:521
12345992923,4cyclictest25-21ksoftirqd/123:46:521
12344992924,3cyclictest9-21ksoftirqd/021:03:280
12344992924,3cyclictest9-21ksoftirqd/021:03:280
12344992923,4cyclictest9-21ksoftirqd/000:05:560
12347992823,3cyclictest41-21ksoftirqd/322:27:183
12347992823,3cyclictest41-21ksoftirqd/320:38:213
12346992823,3cyclictest33-21ksoftirqd/222:20:322
12346992823,3cyclictest33-21ksoftirqd/220:16:042
12346992823,3cyclictest33-21ksoftirqd/219:53:352
12346992822,4cyclictest33-21ksoftirqd/223:33:292
12346992822,4cyclictest33-21ksoftirqd/220:29:192
12345992823,3cyclictest25-21ksoftirqd/123:36:081
12345992823,3cyclictest25-21ksoftirqd/123:23:231
12345992823,3cyclictest25-21ksoftirqd/122:18:501
12345992823,3cyclictest25-21ksoftirqd/120:07:561
12345992822,4cyclictest25-21ksoftirqd/123:57:031
12345992822,4cyclictest25-21ksoftirqd/122:13:121
12345992822,4cyclictest25-21ksoftirqd/100:27:121
12344992823,3cyclictest9-21ksoftirqd/023:37:250
12344992823,3cyclictest9-21ksoftirqd/021:06:360
12347992722,3cyclictest41-21ksoftirqd/321:30:203
12346992722,3cyclictest33-21ksoftirqd/222:57:122
12346992722,3cyclictest33-21ksoftirqd/222:54:452
12345992722,3cyclictest25-21ksoftirqd/121:09:551
12345992721,4cyclictest25-21ksoftirqd/123:18:311
12345992721,4cyclictest25-21ksoftirqd/100:13:401
12345992721,4cyclictest25-21ksoftirqd/100:13:401
12344992722,3cyclictest9-21ksoftirqd/020:45:530
12344992722,3cyclictest9-21ksoftirqd/019:59:370
12344992721,4cyclictest9-21ksoftirqd/020:54:530
12346992621,3cyclictest33-21ksoftirqd/200:33:202
12345992621,3cyclictest25-21ksoftirqd/120:41:181
12345992621,3cyclictest25-21ksoftirqd/100:33:041
12344992622,2cyclictest9-21ksoftirqd/021:35:220
12346992520,3cyclictest33-21ksoftirqd/222:46:462
12345992318,3cyclictest25-21ksoftirqd/122:45:531
12345991813,3cyclictest1887-21timedrift21:00:281
12345991813,3cyclictest1887-21timedrift21:00:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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