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2026-05-06 - 03:44
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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 all highest latencies:
System rackdslot2.osadl.org (updated Wed May 06, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591231168,51phc2sys0-21swapper/319:05:393
112012228168,49sleep10-21swapper/119:07:061
112322208174,23sleep20-21swapper/219:07:312
113122203168,23sleep00-21swapper/019:08:330
1124621640,3sleep11171899cyclictest23:35:261
1461821550,6sleep11171899cyclictest23:45:131
139291570,1ptp4l13165-21ls21:25:243
154752560,2sleep015474-21phc2sys-jitter21:30:210
139291560,1ptp4l401ktimersoftd/320:44:333
139291550,1ptp4l401ktimersoftd/323:38:483
139291540,0ptp4l401ktimersoftd/321:34:553
139291520,1ptp4l401ktimersoftd/323:50:253
139291520,1ptp4l401ktimersoftd/323:00:253
139291490,1ptp4l401ktimersoftd/319:11:023
135191490,2getstats0-21swapper/320:25:293
11719994827,18cyclictest33-21ksoftirqd/219:45:002
135191440,6getstats1172099cyclictest19:55:283
11718994337,3cyclictest11217-21dump-pmu-power21:24:591
139291410,0ptp4l401ktimersoftd/323:30:163
11718994136,3cyclictest25-21ksoftirqd/123:20:001
11718994136,2cyclictest20757-21tr22:50:151
139291400,0ptp4l401ktimersoftd/322:44:363
139291400,0ptp4l401ktimersoftd/321:40:213
139291400,0ptp4l401ktimersoftd/319:34:553
1171999400,2cyclictest121rcu_preempt23:25:262
139291390,0ptp4l401ktimersoftd/322:20:143
11720993934,3cyclictest41-21ksoftirqd/322:00:183
11720993934,3cyclictest41-21ksoftirqd/300:40:003
11718993934,3cyclictest25-21ksoftirqd/122:20:001
11718993934,3cyclictest25-21ksoftirqd/120:40:011
11718993934,3cyclictest20328-21cron22:50:011
11720993832,4cyclictest41-21ksoftirqd/321:59:333
11720993832,4cyclictest41-21ksoftirqd/320:12:133
11719993832,4cyclictest33-21ksoftirqd/219:26:002
11718993834,3cyclictest25-21ksoftirqd/121:20:001
11718993833,3cyclictest25-21ksoftirqd/119:20:001
11718993832,3cyclictest25-21ksoftirqd/100:40:001
11717993833,3cyclictest9-21ksoftirqd/023:35:010
11717993831,4cyclictest9-21ksoftirqd/023:15:010
139291370,3ptp4l41-21ksoftirqd/322:52:463
139291370,0ptp4l401ktimersoftd/321:02:163
11720993732,3cyclictest41-21ksoftirqd/323:20:113
11720993731,4cyclictest41-21ksoftirqd/322:45:393
11720993731,4cyclictest41-21ksoftirqd/322:36:483
11720993731,4cyclictest41-21ksoftirqd/320:58:513
11719993732,3cyclictest33-21ksoftirqd/220:35:192
11719993718,16cyclictest33-21ksoftirqd/200:30:002
11718993732,3cyclictest25-21ksoftirqd/123:45:001
11718993732,3cyclictest25-21ksoftirqd/119:50:011
11718993732,3cyclictest25-21ksoftirqd/119:35:001
11717993731,4cyclictest9-21ksoftirqd/020:56:350
1171799371,3cyclictest20992-21cron19:30:000
139291360,15ptp4l401ktimersoftd/322:10:013
11720993631,3cyclictest41-21ksoftirqd/320:30:133
11720993630,4cyclictest41-21ksoftirqd/322:31:513
11720993630,4cyclictest41-21ksoftirqd/322:08:073
11720993630,4cyclictest41-21ksoftirqd/321:09:583
11720993630,4cyclictest41-21ksoftirqd/320:53:383
11719993632,3cyclictest33-21ksoftirqd/222:30:002
11719993630,4cyclictest33-21ksoftirqd/220:41:572
11719993625,9cyclictest33-21ksoftirqd/220:25:252
11718993631,3cyclictest25-21ksoftirqd/121:50:011
11718993631,3cyclictest25-21ksoftirqd/120:35:001
11718993631,3cyclictest25-21ksoftirqd/100:10:181
11718993630,4cyclictest25-21ksoftirqd/121:07:431
11718993630,4cyclictest25-21ksoftirqd/100:04:271
11718993630,3cyclictest25-21ksoftirqd/119:35:191
11718993629,4cyclictest25-21ksoftirqd/121:55:061
11720993530,3cyclictest41-21ksoftirqd/320:16:143
11720993529,4cyclictest41-21ksoftirqd/319:18:503
11720993529,4cyclictest41-21ksoftirqd/300:20:433
11720993528,4cyclictest41-21ksoftirqd/300:30:093
11719993530,3cyclictest50792irq/128-enp1s0-22:20:332
11719993530,3cyclictest33-21ksoftirqd/222:43:002
11719993530,3cyclictest33-21ksoftirqd/220:00:192
11719993529,4cyclictest33-21ksoftirqd/221:42:312
11719993529,4cyclictest33-21ksoftirqd/221:13:352
11719993529,4cyclictest33-21ksoftirqd/220:34:072
11719993529,4cyclictest33-21ksoftirqd/219:49:422
11719993529,4cyclictest33-21ksoftirqd/219:21:382
11719993529,4cyclictest33-21ksoftirqd/200:35:092
11719993529,3cyclictest33-21ksoftirqd/221:20:242
11719993527,5cyclictest33-21ksoftirqd/223:15:012
11718993530,3cyclictest25-21ksoftirqd/121:43:391
11718993530,3cyclictest25-21ksoftirqd/120:40:201
11718993529,4cyclictest25-21ksoftirqd/122:23:421
11718993529,4cyclictest25-21ksoftirqd/120:58:421
11718993529,4cyclictest25-21ksoftirqd/120:27:091
11718993528,5cyclictest25-21ksoftirqd/120:20:001
11718993528,4cyclictest25-21ksoftirqd/121:51:291
11717993530,3cyclictest9-21ksoftirqd/022:42:540
11717993530,3cyclictest9-21ksoftirqd/022:10:210
11717993530,3cyclictest9-21ksoftirqd/019:54:590
11717993529,4cyclictest9-21ksoftirqd/023:55:550
11717993529,4cyclictest9-21ksoftirqd/022:28:430
11717993529,4cyclictest9-21ksoftirqd/020:46:200
11717993529,4cyclictest9-21ksoftirqd/019:14:500
11720993429,3cyclictest41-21ksoftirqd/323:56:403
11720993429,3cyclictest41-21ksoftirqd/323:09:093
11720993429,3cyclictest41-21ksoftirqd/321:53:233
11720993429,3cyclictest41-21ksoftirqd/320:06:493
11720993429,3cyclictest41-21ksoftirqd/320:06:493
11720993428,4cyclictest41-21ksoftirqd/319:41:093
11719993429,3cyclictest33-21ksoftirqd/223:59:382
11719993429,3cyclictest33-21ksoftirqd/223:08:132
11719993429,3cyclictest33-21ksoftirqd/220:56:182
11719993429,3cyclictest33-21ksoftirqd/220:52:442
11719993428,4cyclictest33-21ksoftirqd/223:17:472
11719993428,4cyclictest33-21ksoftirqd/222:57:482
11719993428,4cyclictest33-21ksoftirqd/222:05:342
11719993428,4cyclictest33-21ksoftirqd/221:36:052
11719993428,4cyclictest33-21ksoftirqd/221:07:052
11719993428,4cyclictest33-21ksoftirqd/219:14:572
11718993431,2cyclictest25-21ksoftirqd/122:29:591
11718993430,3cyclictest25-21ksoftirqd/122:35:001
11718993429,3cyclictest25-21ksoftirqd/123:15:001
11718993429,3cyclictest25-21ksoftirqd/122:45:011
11718993429,3cyclictest25-21ksoftirqd/121:05:001
11718993429,3cyclictest25-21ksoftirqd/100:05:201
11718993428,4cyclictest25-21ksoftirqd/122:08:371
11718993428,4cyclictest25-21ksoftirqd/119:54:271
11718993428,4cyclictest25-21ksoftirqd/119:42:071
11717993430,3cyclictest9-21ksoftirqd/019:30:190
11717993429,3cyclictest9-21ksoftirqd/023:07:020
11717993429,3cyclictest9-21ksoftirqd/022:51:420
11717993429,3cyclictest9-21ksoftirqd/021:41:520
11717993429,3cyclictest9-21ksoftirqd/021:15:140
11717993428,4cyclictest9-21ksoftirqd/022:22:290
11717993428,4cyclictest9-21ksoftirqd/019:47:150
11717993428,4cyclictest9-21ksoftirqd/000:39:160
11717993428,4cyclictest9-21ksoftirqd/000:25:480
11717993427,5cyclictest9-21ksoftirqd/023:54:430
11717993427,5cyclictest9-21ksoftirqd/023:47:530
11717993427,5cyclictest9-21ksoftirqd/020:40:300
11717993427,5cyclictest9-21ksoftirqd/000:24:200
11720993328,3cyclictest41-21ksoftirqd/323:40:093
11720993328,3cyclictest41-21ksoftirqd/321:40:013
11720993328,3cyclictest41-21ksoftirqd/320:37:133
11720993328,3cyclictest41-21ksoftirqd/320:02:463
11720993328,3cyclictest41-21ksoftirqd/319:50:053
11720993328,3cyclictest41-21ksoftirqd/319:21:443
11720993327,4cyclictest41-21ksoftirqd/322:15:053
11720993327,4cyclictest41-21ksoftirqd/300:15:293
11720993327,4cyclictest41-21ksoftirqd/300:07:463
11719993328,3cyclictest33-21ksoftirqd/222:50:122
11719993328,3cyclictest33-21ksoftirqd/221:19:112
11719993328,3cyclictest33-21ksoftirqd/200:30:182
11719993328,3cyclictest33-21ksoftirqd/200:12:382
11719993327,4cyclictest33-21ksoftirqd/223:46:432
11719993327,4cyclictest33-21ksoftirqd/223:00:292
11719993327,4cyclictest33-21ksoftirqd/222:01:042
11719993327,4cyclictest33-21ksoftirqd/221:49:332
11719993327,4cyclictest33-21ksoftirqd/221:03:482
11719993327,4cyclictest33-21ksoftirqd/200:16:592
11719993327,3cyclictest33-21ksoftirqd/221:55:322
11719993326,5cyclictest33-21ksoftirqd/221:50:332
11718993328,3cyclictest25-21ksoftirqd/123:26:391
11718993328,3cyclictest25-21ksoftirqd/123:05:131
11718993328,3cyclictest25-21ksoftirqd/120:04:541
11718993327,4cyclictest25-21ksoftirqd/123:24:591
11718993326,5cyclictest25-21ksoftirqd/100:24:181
11717993329,3cyclictest9-21ksoftirqd/000:10:170
11717993328,3cyclictest9-21ksoftirqd/023:15:190
11717993328,3cyclictest9-21ksoftirqd/022:59:430
11717993328,3cyclictest9-21ksoftirqd/022:08:240
11717993328,3cyclictest9-21ksoftirqd/020:22:560
11717993328,3cyclictest9-21ksoftirqd/020:17:340
11717993328,3cyclictest9-21ksoftirqd/019:57:430
11717993328,3cyclictest9-21ksoftirqd/019:20:010
11717993328,3cyclictest9-21ksoftirqd/000:17:340
11717993327,4cyclictest9-21ksoftirqd/023:42:350
11717993327,4cyclictest9-21ksoftirqd/023:27:040
11717993327,4cyclictest9-21ksoftirqd/023:20:380
11717993327,4cyclictest9-21ksoftirqd/022:16:270
11717993327,4cyclictest9-21ksoftirqd/021:54:440
11717993327,4cyclictest9-21ksoftirqd/021:22:040
11717993327,4cyclictest9-21ksoftirqd/021:12:130
11717993327,4cyclictest9-21ksoftirqd/019:37:040
11717993327,4cyclictest9-21ksoftirqd/019:24:530
11717993326,4cyclictest9-21ksoftirqd/000:00:130
11720993227,3cyclictest41-21ksoftirqd/323:18:193
11720993227,3cyclictest41-21ksoftirqd/319:28:383
11720993226,4cyclictest41-21ksoftirqd/323:48:453
11719993227,3cyclictest33-21ksoftirqd/221:30:002
11719993227,3cyclictest33-21ksoftirqd/220:09:372
11719993227,3cyclictest33-21ksoftirqd/220:09:372
11719993227,3cyclictest33-21ksoftirqd/200:21:212
11719993226,4cyclictest33-21ksoftirqd/200:09:172
11718993228,3cyclictest25-21ksoftirqd/123:30:121
11718993228,2cyclictest25-21ksoftirqd/120:50:011
11718993227,3cyclictest25-21ksoftirqd/123:00:001
11718993227,3cyclictest25-21ksoftirqd/120:10:181
11718993226,4cyclictest25-21ksoftirqd/122:40:011
11718993226,4cyclictest25-21ksoftirqd/122:03:451
11718993226,4cyclictest25-21ksoftirqd/120:53:081
11718993226,4cyclictest25-21ksoftirqd/100:28:031
11718993226,3cyclictest25-21ksoftirqd/120:05:201
11718993226,3cyclictest25-21ksoftirqd/120:05:201
11718993226,3cyclictest25-21ksoftirqd/100:30:191
1171899320,2cyclictest121rcu_preempt00:15:291
11717993228,2cyclictest9-21ksoftirqd/023:35:180
11717993227,3cyclictest9-21ksoftirqd/022:33:160
11717993227,3cyclictest9-21ksoftirqd/021:56:390
11717993227,3cyclictest9-21ksoftirqd/021:39:480
11717993227,3cyclictest9-21ksoftirqd/020:28:280
11717993226,4cyclictest9-21ksoftirqd/023:02:200
11720993125,4cyclictest41-21ksoftirqd/322:55:103
11720993125,4cyclictest41-21ksoftirqd/321:16:283
11720993125,4cyclictest41-21ksoftirqd/319:39:013
11720993125,4cyclictest41-21ksoftirqd/300:02:483
11719993126,3cyclictest33-21ksoftirqd/219:30:062
11719993126,3cyclictest33-21ksoftirqd/219:20:012
11719993125,4cyclictest33-21ksoftirqd/222:49:422
1171999311,2cyclictest121rcu_preempt23:51:172
11718993127,2cyclictest25-21ksoftirqd/121:30:181
11718993126,3cyclictest25-21ksoftirqd/122:10:001
11718993126,3cyclictest25-21ksoftirqd/121:10:161
11718993126,3cyclictest25-21ksoftirqd/119:25:051
11718993126,3cyclictest25-21ksoftirqd/119:22:451
11718993125,4cyclictest25-21ksoftirqd/123:53:001
11717993126,3cyclictest9-21ksoftirqd/022:00:140
11717993126,3cyclictest9-21ksoftirqd/021:00:530
11717993126,3cyclictest9-21ksoftirqd/020:32:400
11717993126,3cyclictest9-21ksoftirqd/020:15:010
11717993126,3cyclictest9-21ksoftirqd/000:32:400
11717993125,4cyclictest9-21ksoftirqd/020:52:340
139291300,0ptp4l401ktimersoftd/321:11:413
11719993025,3cyclictest33-21ksoftirqd/222:35:202
11719993025,3cyclictest33-21ksoftirqd/220:13:212
11719993024,4cyclictest33-21ksoftirqd/219:54:122
11718993025,3cyclictest25-21ksoftirqd/123:00:141
11718993025,3cyclictest25-21ksoftirqd/121:35:211
11718993024,3cyclictest25-21ksoftirqd/123:55:211
11717993024,4cyclictest9-21ksoftirqd/021:46:500
11717993024,4cyclictest9-21ksoftirqd/000:05:020
11720992924,3cyclictest41-21ksoftirqd/319:45:383
11719992923,4cyclictest33-21ksoftirqd/221:31:312
11719992923,4cyclictest33-21ksoftirqd/200:02:192
11719992919,9cyclictest33-21ksoftirqd/219:55:162
11718992925,3cyclictest25-21ksoftirqd/121:29:591
11717992925,3cyclictest9-21ksoftirqd/020:00:270
11717992924,3cyclictest9-21ksoftirqd/022:35:140
11717992924,3cyclictest9-21ksoftirqd/021:09:390
11717992924,3cyclictest9-21ksoftirqd/019:42:090
11717992923,4cyclictest9-21ksoftirqd/020:38:260
11717992923,4cyclictest9-21ksoftirqd/020:06:090
11717992923,4cyclictest9-21ksoftirqd/020:06:090
11717992916,4cyclictest9-21ksoftirqd/021:30:010
139291280,9ptp4l401ktimersoftd/320:22:333
11720992824,3cyclictest41-21ksoftirqd/300:25:143
11720992822,4cyclictest41-21ksoftirqd/321:23:303
11719992823,3cyclictest33-21ksoftirqd/222:18:262
11719992823,3cyclictest33-21ksoftirqd/220:18:532
11719992822,4cyclictest33-21ksoftirqd/220:45:262
11719992821,5cyclictest33-21ksoftirqd/222:15:012
11719992817,9cyclictest33-21ksoftirqd/223:40:252
11718992824,2cyclictest25-21ksoftirqd/119:59:261
11718992824,2cyclictest25-21ksoftirqd/119:15:001
11718992823,3cyclictest25-21ksoftirqd/120:25:001
11720992722,3cyclictest41-21ksoftirqd/300:11:513
11717992722,3cyclictest9-21ksoftirqd/022:46:350
11720992621,3cyclictest41-21ksoftirqd/323:29:583
11719992621,3cyclictest33-21ksoftirqd/223:40:002
11719992621,3cyclictest33-21ksoftirqd/222:30:192
11719992621,3cyclictest33-21ksoftirqd/220:21:032
11720992520,3cyclictest41-21ksoftirqd/323:10:463
11720992520,3cyclictest41-21ksoftirqd/321:48:383
11720992520,3cyclictest41-21ksoftirqd/320:45:123
11719992522,2cyclictest33-21ksoftirqd/219:35:182
139291240,1ptp4l401ktimersoftd/322:25:213
11719992421,2cyclictest33-21ksoftirqd/223:20:012
1171999213,16cyclictest9426-21awk23:35:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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