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2026-01-07 - 07:40
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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 rackdslot4.osadl.org (updated Wed Jan 07, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278682208167,22sleep30-21swapper/319:08:433
277162200167,22sleep00-21swapper/019:06:430
277132200167,22sleep20-21swapper/219:06:412
279902199166,22sleep10-21swapper/119:09:461
1308321810,2sleep32830499cyclictest20:50:003
2997321580,7sleep22830399cyclictest00:35:252
445121440,4sleep22830399cyclictest19:25:232
74732550,1sleep10-21swapper/122:45:231
138491550,1ptp4l401ktimersoftd/323:40:183
138491550,1ptp4l401ktimersoftd/322:00:233
320972540,2sleep00-21swapper/023:35:210
51482460,1sleep10-21swapper/123:45:241
138491450,0ptp4l401ktimersoftd/320:05:313
50798430,8rtkit-daemon0-21swapper/119:45:211
138491430,0ptp4l401ktimersoftd/323:52:393
138491430,0ptp4l401ktimersoftd/320:15:063
138491430,0ptp4l401ktimersoftd/300:25:033
28303994237,3cyclictest9799-21mailstats21:45:222
138491420,1ptp4l401ktimersoftd/321:18:143
138491420,0ptp4l401ktimersoftd/322:29:143
138491420,0ptp4l401ktimersoftd/322:21:283
138491420,0ptp4l401ktimersoftd/321:03:253
138491420,0ptp4l401ktimersoftd/320:50:223
28301994033,4cyclictest20841-21cron23:14:590
138491400,1ptp4l401ktimersoftd/320:25:593
138491400,0ptp4l401ktimersoftd/321:08:343
28303993934,3cyclictest33-21ksoftirqd/223:19:592
28302993934,3cyclictest25-21ksoftirqd/119:55:001
28302993934,3cyclictest25-21ksoftirqd/119:20:001
28302993933,4cyclictest25-21ksoftirqd/122:25:001
28302993834,3cyclictest25-21ksoftirqd/100:15:001
28302993833,3cyclictest25-21ksoftirqd/122:05:011
28302993833,3cyclictest25-21ksoftirqd/122:00:011
28301993833,3cyclictest9-21ksoftirqd/022:20:000
138491380,0ptp4l401ktimersoftd/319:45:113
28304993732,3cyclictest41-21ksoftirqd/322:40:003
28303993732,3cyclictest33-21ksoftirqd/200:05:122
28303993731,4cyclictest33-21ksoftirqd/221:15:062
28302993732,3cyclictest25-21ksoftirqd/100:10:001
28302993730,4cyclictest29041-21irqrtprio20:15:181
28304993632,2cyclictest41-21ksoftirqd/300:19:593
28304993630,4cyclictest41-21ksoftirqd/323:01:593
28304993629,5cyclictest41-21ksoftirqd/319:27:293
28303993631,3cyclictest33-21ksoftirqd/223:42:052
28303993630,4cyclictest33-21ksoftirqd/223:01:002
28302993631,3cyclictest25-21ksoftirqd/121:00:011
28302993631,3cyclictest25-21ksoftirqd/100:00:001
28302993630,4cyclictest25-21ksoftirqd/122:52:101
28302993630,4cyclictest25-21ksoftirqd/100:32:341
28302993630,3cyclictest25-21ksoftirqd/120:10:001
28302993629,4cyclictest25-21ksoftirqd/121:35:171
28301993631,3cyclictest9-21ksoftirqd/019:40:130
28301993631,3cyclictest9-21ksoftirqd/019:35:000
28301993630,4cyclictest9-21ksoftirqd/019:38:200
28301993630,3cyclictest9-21ksoftirqd/021:11:580
28301993629,4cyclictest9-21ksoftirqd/021:54:240
28304993530,3cyclictest41-21ksoftirqd/300:35:183
28304993529,4cyclictest41-21ksoftirqd/323:11:333
28304993529,4cyclictest41-21ksoftirqd/321:47:173
28304993529,4cyclictest41-21ksoftirqd/320:38:083
28304993529,4cyclictest41-21ksoftirqd/320:01:023
28304993529,4cyclictest41-21ksoftirqd/319:18:543
28304993529,4cyclictest41-21ksoftirqd/300:11:553
28303993531,3cyclictest33-21ksoftirqd/220:26:392
28303993529,4cyclictest33-21ksoftirqd/223:58:062
28303993529,4cyclictest33-21ksoftirqd/223:22:592
28303993529,4cyclictest33-21ksoftirqd/222:38:592
28303993529,4cyclictest33-21ksoftirqd/220:53:402
28303993529,4cyclictest33-21ksoftirqd/200:02:432
28303993529,3cyclictest33-21ksoftirqd/222:05:002
28303993528,4cyclictest33-21ksoftirqd/221:25:442
28303993527,5cyclictest33-21ksoftirqd/221:09:082
28302993530,3cyclictest25-21ksoftirqd/119:55:191
28302993529,4cyclictest25-21ksoftirqd/123:16:411
28302993529,3cyclictest25-21ksoftirqd/120:10:191
28301993532,2cyclictest9-21ksoftirqd/019:55:000
28301993531,2cyclictest9-21ksoftirqd/022:05:010
28301993530,3cyclictest9-21ksoftirqd/019:28:050
28301993530,3cyclictest9-21ksoftirqd/000:35:140
28301993530,3cyclictest9-21ksoftirqd/000:02:150
28301993529,4cyclictest9-21ksoftirqd/023:08:080
28301993529,4cyclictest9-21ksoftirqd/020:21:210
28301993529,4cyclictest9-21ksoftirqd/020:21:210
28301993528,4cyclictest9-21ksoftirqd/000:20:550
28304993430,2cyclictest41-21ksoftirqd/300:00:003
28304993429,3cyclictest41-21ksoftirqd/321:13:073
28304993428,4cyclictest41-21ksoftirqd/323:21:563
28304993428,4cyclictest41-21ksoftirqd/322:55:413
28304993428,4cyclictest41-21ksoftirqd/319:34:423
28304993428,4cyclictest41-21ksoftirqd/300:03:273
28304993427,4cyclictest41-21ksoftirqd/319:24:153
28303993431,2cyclictest33-21ksoftirqd/220:00:002
28303993429,3cyclictest33-21ksoftirqd/223:50:092
28303993429,3cyclictest33-21ksoftirqd/222:56:022
28303993428,4cyclictest33-21ksoftirqd/223:39:282
28303993428,4cyclictest33-21ksoftirqd/221:55:302
28303993428,4cyclictest33-21ksoftirqd/220:37:482
28303993428,4cyclictest33-21ksoftirqd/200:20:442
28302993430,3cyclictest25-21ksoftirqd/121:45:171
28302993429,3cyclictest25-21ksoftirqd/120:30:001
28302993428,4cyclictest25-21ksoftirqd/123:12:031
28302993428,4cyclictest25-21ksoftirqd/122:07:011
28302993427,5cyclictest25-21ksoftirqd/123:54:551
28302993427,4cyclictest25-21ksoftirqd/120:50:001
28301993430,3cyclictest9-21ksoftirqd/021:20:200
28301993430,2cyclictest9-21ksoftirqd/023:19:590
28301993429,2cyclictest9-21ksoftirqd/023:40:140
28301993428,4cyclictest9-21ksoftirqd/022:37:080
28301993428,4cyclictest9-21ksoftirqd/022:31:070
28301993428,4cyclictest9-21ksoftirqd/022:08:310
28301993428,4cyclictest9-21ksoftirqd/021:33:100
28301993428,4cyclictest9-21ksoftirqd/021:04:170
28301993428,4cyclictest9-21ksoftirqd/020:51:050
28301993428,4cyclictest9-21ksoftirqd/000:18:300
28301993428,3cyclictest9-21ksoftirqd/000:25:130
28301993427,5cyclictest9-21ksoftirqd/023:24:540
28304993327,4cyclictest41-21ksoftirqd/323:31:273
28304993327,4cyclictest41-21ksoftirqd/322:33:093
28304993327,4cyclictest41-21ksoftirqd/322:17:343
28304993327,4cyclictest41-21ksoftirqd/322:07:513
28304993327,4cyclictest41-21ksoftirqd/319:59:413
28304993327,4cyclictest41-21ksoftirqd/319:40:003
28304993327,4cyclictest41-21ksoftirqd/300:24:053
28303993328,3cyclictest33-21ksoftirqd/221:24:112
28303993327,4cyclictest33-21ksoftirqd/222:28:122
28303993327,4cyclictest33-21ksoftirqd/221:30:312
28303993327,4cyclictest33-21ksoftirqd/219:16:042
28302993329,3cyclictest25-21ksoftirqd/123:25:191
28302993328,3cyclictest25-21ksoftirqd/121:30:181
28302993328,3cyclictest25-21ksoftirqd/120:35:171
28302993328,3cyclictest25-21ksoftirqd/100:20:131
28302993328,3cyclictest25-21ksoftirqd/100:15:141
28302993327,4cyclictest25-21ksoftirqd/123:36:551
28302993327,4cyclictest25-21ksoftirqd/123:32:331
28302993327,4cyclictest25-21ksoftirqd/120:03:001
28302993327,4cyclictest25-21ksoftirqd/119:20:441
28302993327,3cyclictest25-21ksoftirqd/119:30:191
28302993326,4cyclictest18714-21fschecks_count21:00:161
28302993325,6cyclictest25-21ksoftirqd/123:02:371
28302993325,4cyclictest25-21ksoftirqd/100:00:001
28301993329,3cyclictest9-21ksoftirqd/023:05:010
28301993329,3cyclictest9-21ksoftirqd/019:15:180
28301993328,3cyclictest9-21ksoftirqd/020:50:000
28301993328,3cyclictest9-21ksoftirqd/019:20:190
28301993328,3cyclictest9-21ksoftirqd/000:05:190
28301993327,4cyclictest9-21ksoftirqd/023:28:340
28301993327,4cyclictest9-21ksoftirqd/020:59:520
28301993327,4cyclictest9-21ksoftirqd/020:41:470
28301993327,4cyclictest9-21ksoftirqd/020:08:010
28301993327,4cyclictest9-21ksoftirqd/000:11:550
28301993327,3cyclictest9-21ksoftirqd/023:55:200
28304993227,3cyclictest41-21ksoftirqd/321:55:313
28304993227,3cyclictest41-21ksoftirqd/320:57:033
28304993227,3cyclictest41-21ksoftirqd/320:20:183
28304993227,3cyclictest41-21ksoftirqd/320:20:183
28304993227,3cyclictest41-21ksoftirqd/319:52:183
28304993227,3cyclictest41-21ksoftirqd/319:45:003
28304993226,4cyclictest41-21ksoftirqd/320:34:083
28303993228,3cyclictest33-21ksoftirqd/200:30:192
28303993227,3cyclictest33-21ksoftirqd/222:15:132
28303993226,4cyclictest33-21ksoftirqd/221:44:032
28303993226,4cyclictest33-21ksoftirqd/219:48:332
28303993226,4cyclictest33-21ksoftirqd/219:41:072
28303993226,4cyclictest33-21ksoftirqd/219:21:132
28302993227,3cyclictest25-21ksoftirqd/123:20:191
28302993227,3cyclictest25-21ksoftirqd/122:35:211
28302993227,3cyclictest25-21ksoftirqd/121:25:131
28302993227,3cyclictest25-21ksoftirqd/121:10:001
28302993227,3cyclictest25-21ksoftirqd/119:40:131
28302993227,3cyclictest25-21ksoftirqd/119:40:001
28302993227,3cyclictest25-21ksoftirqd/119:10:201
28302993227,3cyclictest25-21ksoftirqd/100:35:131
28302993226,3cyclictest25-21ksoftirqd/121:20:001
28301993227,3cyclictest9-21ksoftirqd/023:30:180
28301993227,3cyclictest9-21ksoftirqd/022:55:200
28301993227,3cyclictest9-21ksoftirqd/022:29:420
28301993226,4cyclictest9-21ksoftirqd/023:52:300
28301993226,4cyclictest9-21ksoftirqd/022:44:550
28301993226,4cyclictest9-21ksoftirqd/021:48:020
28301993226,4cyclictest9-21ksoftirqd/021:19:020
28301993226,4cyclictest9-21ksoftirqd/019:48:030
28301993226,4cyclictest9-21ksoftirqd/000:34:140
28301993225,4cyclictest9-21ksoftirqd/022:11:200
28304993126,3cyclictest41-21ksoftirqd/323:05:113
28304993126,3cyclictest41-21ksoftirqd/322:10:153
28304993126,3cyclictest41-21ksoftirqd/321:50:193
28304993126,3cyclictest41-21ksoftirqd/300:08:183
28304993125,4cyclictest41-21ksoftirqd/322:49:313
28303993126,3cyclictest33-21ksoftirqd/220:15:332
28303993126,3cyclictest33-21ksoftirqd/219:14:402
28303993125,4cyclictest33-21ksoftirqd/222:47:252
28303993125,4cyclictest33-21ksoftirqd/221:52:492
28303993125,4cyclictest33-21ksoftirqd/220:57:412
28302993127,3cyclictest25-21ksoftirqd/123:05:171
28302993127,3cyclictest25-21ksoftirqd/122:15:001
28302993126,3cyclictest25-21ksoftirqd/123:00:011
28302993126,3cyclictest25-21ksoftirqd/122:35:001
28302993126,3cyclictest25-21ksoftirqd/121:15:001
28302993126,3cyclictest25-21ksoftirqd/120:45:001
28302993125,4cyclictest25-21ksoftirqd/123:42:231
28301993127,3cyclictest9-21ksoftirqd/022:00:010
28301993126,3cyclictest9-21ksoftirqd/022:45:190
28301993126,3cyclictest9-21ksoftirqd/021:45:000
28301993126,3cyclictest9-21ksoftirqd/020:36:490
28301993126,3cyclictest9-21ksoftirqd/020:34:490
28301993125,4cyclictest9-21ksoftirqd/023:46:160
28301993125,4cyclictest9-21ksoftirqd/021:06:540
28301993125,4cyclictest9-21ksoftirqd/019:11:280
28304993025,3cyclictest41-21ksoftirqd/320:43:093
28303993024,4cyclictest33-21ksoftirqd/223:11:512
28303993024,4cyclictest33-21ksoftirqd/221:39:172
28303993024,4cyclictest33-21ksoftirqd/220:04:382
28303993024,3cyclictest33-21ksoftirqd/220:50:002
28302993024,4cyclictest25-21ksoftirqd/122:42:101
28302993024,4cyclictest25-21ksoftirqd/121:42:321
28302993024,4cyclictest25-21ksoftirqd/119:26:211
28302993022,3cyclictest25-21ksoftirqd/121:55:011
28302993019,10cyclictest25-21ksoftirqd/122:15:181
28301993025,3cyclictest9-21ksoftirqd/022:52:410
28301993025,3cyclictest9-21ksoftirqd/020:15:130
28301993024,4cyclictest9-21ksoftirqd/020:14:550
28301993024,3cyclictest9-21ksoftirqd/020:02:110
138491300,0ptp4l401ktimersoftd/323:45:473
138491300,0ptp4l401ktimersoftd/320:12:203
28304992925,2cyclictest41-21ksoftirqd/322:40:173
28304992924,3cyclictest41-21ksoftirqd/321:20:533
28304992919,3cyclictest41-21ksoftirqd/323:30:013
28303992924,3cyclictest33-21ksoftirqd/222:41:002
28303992923,4cyclictest33-21ksoftirqd/222:14:082
28303992923,4cyclictest33-21ksoftirqd/220:09:272
28303992923,4cyclictest33-21ksoftirqd/200:25:222
28303992923,4cyclictest33-21ksoftirqd/200:10:052
28303992923,3cyclictest33-21ksoftirqd/220:33:062
28303992919,9cyclictest33-21ksoftirqd/222:00:252
28302992924,3cyclictest25-21ksoftirqd/122:30:011
28302992924,3cyclictest25-21ksoftirqd/121:21:491
28302992924,3cyclictest25-21ksoftirqd/120:35:011
138491290,0ptp4l401ktimersoftd/321:33:523
28304992823,3cyclictest41-21ksoftirqd/322:50:443
28303992824,2cyclictest33-21ksoftirqd/222:30:132
28303992824,2cyclictest33-21ksoftirqd/221:14:592
28303992823,3cyclictest33-21ksoftirqd/220:40:192
28303992822,3cyclictest33-21ksoftirqd/223:45:122
28303992818,9cyclictest33-21ksoftirqd/220:20:232
28303992818,9cyclictest33-21ksoftirqd/220:20:232
28303992817,9cyclictest33-21ksoftirqd/223:05:222
28302992824,2cyclictest25-21ksoftirqd/100:25:191
28302992823,3cyclictest25-21ksoftirqd/120:55:001
28302992823,3cyclictest25-21ksoftirqd/120:20:101
28302992823,3cyclictest25-21ksoftirqd/120:20:101
28301992823,3cyclictest9-21ksoftirqd/021:37:430
28301992823,3cyclictest9-21ksoftirqd/020:25:210
28304992721,4cyclictest41-21ksoftirqd/323:18:593
28304992721,4cyclictest41-21ksoftirqd/300:34:573
28303992722,3cyclictest33-21ksoftirqd/200:17:562
28303992721,4cyclictest33-21ksoftirqd/219:39:022
28303992716,9cyclictest33-21ksoftirqd/223:30:202
28301992722,3cyclictest9-21ksoftirqd/021:26:240
28304992622,2cyclictest41-21ksoftirqd/321:43:253
28304992621,3cyclictest41-21ksoftirqd/321:27:233
28304992620,4cyclictest41-21ksoftirqd/319:10:033
28303992622,2cyclictest33-21ksoftirqd/222:20:212
28301992622,2cyclictest28305-21basename22:25:000
28301992620,4cyclictest9-21ksoftirqd/019:55:050
28303992521,3cyclictest33-21ksoftirqd/219:35:002
28303992521,2cyclictest33-21ksoftirqd/222:50:242
28303992520,3cyclictest33-21ksoftirqd/221:00:292
28303992519,4cyclictest33-21ksoftirqd/220:14:372
28303992419,3cyclictest33-21ksoftirqd/223:29:072
138491240,0ptp4l401ktimersoftd/323:35:273
138491240,0ptp4l401ktimersoftd/321:35:183
28303992217,3cyclictest33-21ksoftirqd/219:54:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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