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2026-05-26 - 09:01
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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 Tue May 26, 2026 00:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591224162,50phc2sys0-21swapper/319:09:403
99572202169,22sleep20-21swapper/219:07:272
100472202169,22sleep00-21swapper/019:08:380
98662201170,21sleep10-21swapper/119:06:221
1787121520,5sleep31044699cyclictest19:25:123
138491700,1ptp4l391rcuc/321:24:403
60072590,4sleep06012-21irqrtprio23:20:190
138491550,1ptp4l401ktimersoftd/323:54:333
134991480,1getstats0-21swapper/320:05:113
134991480,1getstats0-21swapper/320:05:113
138491460,1ptp4l401ktimersoftd/322:54:073
10446994538,4cyclictest24927-21ls00:00:013
10445994539,3cyclictest22558-21ls19:34:592
138491440,1ptp4l401ktimersoftd/323:47:473
10446994436,4cyclictest41-21ksoftirqd/321:00:003
1044599442,39cyclictest14794-21cron21:30:002
10444994418,25cyclictest2380-21kworker/1:120:03:251
138491430,0ptp4l401ktimersoftd/322:44:163
138491430,0ptp4l401ktimersoftd/300:14:163
10446994335,5cyclictest22524-21cron19:35:003
1044399431,39cyclictest30772-21fschecks_count00:10:130
134991420,5getstats1044699cyclictest21:55:383
10446994136,3cyclictest41-21ksoftirqd/320:45:003
138491390,0ptp4l401ktimersoftd/321:25:203
138491390,0ptp4l401ktimersoftd/300:15:143
10444993911,27cyclictest0-21swapper/121:30:341
10446993831,4cyclictest41-21ksoftirqd/322:00:013
10444993830,5cyclictest25-21ksoftirqd/120:10:011
10444993830,5cyclictest25-21ksoftirqd/120:10:011
1044499380,36cyclictest0-21swapper/120:22:031
10446993732,3cyclictest41-21ksoftirqd/320:15:013
10446993732,3cyclictest41-21ksoftirqd/319:15:013
10446993731,3cyclictest41-21ksoftirqd/319:50:183
10446993731,3cyclictest41-21ksoftirqd/300:05:273
10445993732,3cyclictest33-21ksoftirqd/222:50:002
10445993731,4cyclictest33-21ksoftirqd/223:46:152
10445993730,4cyclictest33-21ksoftirqd/222:02:092
10445993730,4cyclictest33-21ksoftirqd/221:08:222
10444993731,4cyclictest25-21ksoftirqd/121:54:461
10443993729,6cyclictest9-21ksoftirqd/019:35:000
10446993632,2cyclictest41-21ksoftirqd/321:20:003
10446993632,2cyclictest41-21ksoftirqd/300:35:273
10446993631,3cyclictest41-21ksoftirqd/322:59:593
10446993631,3cyclictest41-21ksoftirqd/321:10:233
10446993631,3cyclictest41-21ksoftirqd/319:59:593
10446993630,4cyclictest41-21ksoftirqd/323:12:063
10446993630,3cyclictest41-21ksoftirqd/323:05:263
10446993630,3cyclictest41-21ksoftirqd/322:35:153
10446993630,3cyclictest41-21ksoftirqd/322:15:183
10446993630,3cyclictest41-21ksoftirqd/321:45:003
10446993630,3cyclictest41-21ksoftirqd/320:45:183
10446993630,3cyclictest41-21ksoftirqd/320:24:593
10446993628,5cyclictest41-21ksoftirqd/323:40:313
10446993617,17cyclictest41-21ksoftirqd/300:05:023
10445993630,4cyclictest33-21ksoftirqd/222:35:402
10445993630,4cyclictest33-21ksoftirqd/220:53:262
10445993630,4cyclictest33-21ksoftirqd/219:29:372
10445993629,4cyclictest33-21ksoftirqd/200:19:342
10444993630,4cyclictest25-21ksoftirqd/121:39:411
1044499360,34cyclictest0-21swapper/121:59:041
138491350,0ptp4l401ktimersoftd/321:00:263
10446993530,3cyclictest41-21ksoftirqd/321:44:593
10446993529,4cyclictest41-21ksoftirqd/323:34:333
10446993529,4cyclictest41-21ksoftirqd/322:08:203
10446993529,4cyclictest41-21ksoftirqd/321:52:363
10446993529,4cyclictest41-21ksoftirqd/320:34:133
10446993529,3cyclictest41-21ksoftirqd/323:40:003
10446993529,3cyclictest41-21ksoftirqd/322:25:183
10445993530,3cyclictest33-21ksoftirqd/221:45:122
10445993529,4cyclictest33-21ksoftirqd/223:22:212
10445993529,4cyclictest33-21ksoftirqd/222:51:072
10445993529,4cyclictest33-21ksoftirqd/222:40:082
10445993529,4cyclictest33-21ksoftirqd/222:21:392
10445993529,4cyclictest33-21ksoftirqd/221:44:252
10445993529,4cyclictest33-21ksoftirqd/220:40:342
10445993529,4cyclictest33-21ksoftirqd/219:37:192
10445993529,4cyclictest33-21ksoftirqd/219:16:052
10445993529,3cyclictest33-21ksoftirqd/220:00:282
10444993530,3cyclictest25-21ksoftirqd/123:05:101
10444993529,4cyclictest25-21ksoftirqd/123:29:131
10444993529,4cyclictest25-21ksoftirqd/122:58:161
10444993529,4cyclictest25-21ksoftirqd/121:06:521
10444993529,4cyclictest25-21ksoftirqd/121:01:511
10444993529,4cyclictest25-21ksoftirqd/120:32:191
10444993529,4cyclictest25-21ksoftirqd/120:18:021
10444993529,4cyclictest25-21ksoftirqd/119:33:131
10444993528,4cyclictest25-21ksoftirqd/100:05:041
10443993529,4cyclictest9-21ksoftirqd/023:55:480
10443993529,4cyclictest9-21ksoftirqd/023:50:390
10443993529,4cyclictest9-21ksoftirqd/022:31:160
10443993529,4cyclictest9-21ksoftirqd/020:37:340
10443993529,4cyclictest9-21ksoftirqd/020:08:220
10443993529,4cyclictest9-21ksoftirqd/020:08:220
10446993428,4cyclictest41-21ksoftirqd/319:36:283
10445993429,3cyclictest33-21ksoftirqd/220:15:132
10445993429,3cyclictest33-21ksoftirqd/220:10:112
10445993429,3cyclictest33-21ksoftirqd/219:53:542
10445993428,4cyclictest33-21ksoftirqd/223:13:302
10445993428,4cyclictest33-21ksoftirqd/221:37:232
10445993428,4cyclictest33-21ksoftirqd/220:56:102
10445993428,4cyclictest33-21ksoftirqd/220:24:052
10445993428,4cyclictest33-21ksoftirqd/219:45:382
10445993427,4cyclictest33-21ksoftirqd/200:34:092
10444993428,4cyclictest25-21ksoftirqd/123:43:581
10444993428,4cyclictest25-21ksoftirqd/122:30:041
10444993428,4cyclictest25-21ksoftirqd/120:27:521
10444993428,4cyclictest25-21ksoftirqd/119:38:591
10444993428,4cyclictest25-21ksoftirqd/119:20:051
10443993430,3cyclictest9-21ksoftirqd/023:20:000
10443993430,2cyclictest9-21ksoftirqd/019:30:000
10443993429,3cyclictest9-21ksoftirqd/019:52:460
10443993428,4cyclictest9-21ksoftirqd/023:43:290
10443993428,4cyclictest9-21ksoftirqd/022:06:170
10443993428,4cyclictest9-21ksoftirqd/021:26:490
10443993428,4cyclictest9-21ksoftirqd/021:16:230
10443993428,4cyclictest12341-21cron21:25:010
138491330,0ptp4l401ktimersoftd/320:00:323
10446993329,3cyclictest41-21ksoftirqd/320:50:143
10446993329,3cyclictest41-21ksoftirqd/320:25:213
10446993329,2cyclictest41-21ksoftirqd/321:30:193
10446993328,3cyclictest41-21ksoftirqd/300:35:003
10446993328,3cyclictest41-21ksoftirqd/300:20:183
10446993327,4cyclictest41-21ksoftirqd/322:10:443
10446993327,4cyclictest41-21ksoftirqd/320:36:063
10446993327,4cyclictest41-21ksoftirqd/320:15:033
10446993327,4cyclictest41-21ksoftirqd/319:43:143
10446993327,4cyclictest41-21ksoftirqd/300:26:293
10446993326,4cyclictest41-21ksoftirqd/322:50:013
10445993328,3cyclictest33-21ksoftirqd/219:45:012
10445993328,3cyclictest33-21ksoftirqd/200:27:492
10445993327,4cyclictest33-21ksoftirqd/223:31:272
10445993327,4cyclictest33-21ksoftirqd/223:08:412
10445993327,4cyclictest33-21ksoftirqd/222:58:172
10445993327,4cyclictest33-21ksoftirqd/220:27:022
10445993327,4cyclictest33-21ksoftirqd/219:11:152
10445993327,4cyclictest33-21ksoftirqd/200:24:472
10444993328,3cyclictest25-21ksoftirqd/123:57:431
10444993328,3cyclictest25-21ksoftirqd/121:17:091
10444993328,3cyclictest25-21ksoftirqd/120:58:371
10444993328,3cyclictest25-21ksoftirqd/100:37:441
10444993327,4cyclictest25-21ksoftirqd/123:36:401
10444993327,4cyclictest25-21ksoftirqd/123:17:381
10444993327,4cyclictest25-21ksoftirqd/122:03:571
10444993327,4cyclictest25-21ksoftirqd/120:50:431
10444993327,4cyclictest25-21ksoftirqd/119:50:051
10444993327,4cyclictest25-21ksoftirqd/119:16:211
10444993326,4cyclictest25-21ksoftirqd/122:22:591
10443993328,3cyclictest9-21ksoftirqd/021:54:100
10443993328,3cyclictest9-21ksoftirqd/021:50:000
10443993328,3cyclictest9-21ksoftirqd/020:45:340
10443993328,3cyclictest9-21ksoftirqd/020:15:000
10443993328,3cyclictest9-21ksoftirqd/019:35:090
10443993327,4cyclictest9-21ksoftirqd/023:01:360
10443993327,4cyclictest9-21ksoftirqd/022:11:550
10443993327,4cyclictest9-21ksoftirqd/019:16:060
10443993327,4cyclictest9-21ksoftirqd/000:30:000
10443993327,4cyclictest9-21ksoftirqd/000:19:560
10446993229,2cyclictest41-21ksoftirqd/323:30:003
10446993228,3cyclictest41-21ksoftirqd/323:20:003
10446993227,3cyclictest41-21ksoftirqd/322:30:273
10446993227,3cyclictest41-21ksoftirqd/322:20:203
10446993227,3cyclictest41-21ksoftirqd/321:05:183
10446993226,3cyclictest41-21ksoftirqd/319:15:203
10445993227,3cyclictest33-21ksoftirqd/223:00:112
10445993227,3cyclictest33-21ksoftirqd/222:06:312
10445993226,4cyclictest33-21ksoftirqd/223:52:052
10445993226,4cyclictest33-21ksoftirqd/200:36:462
10444993227,3cyclictest25-21ksoftirqd/100:01:001
10444993226,4cyclictest25-21ksoftirqd/122:16:451
10444993226,4cyclictest25-21ksoftirqd/121:49:401
10444993226,4cyclictest25-21ksoftirqd/121:44:431
10444993226,4cyclictest25-21ksoftirqd/121:28:511
10443993228,3cyclictest9-21ksoftirqd/023:35:170
10443993228,2cyclictest9-21ksoftirqd/022:24:590
10443993227,3cyclictest9-21ksoftirqd/022:44:240
10443993227,3cyclictest9-21ksoftirqd/022:36:140
10443993227,3cyclictest9-21ksoftirqd/021:38:480
10443993227,3cyclictest9-21ksoftirqd/000:35:190
10443993226,4cyclictest9-21ksoftirqd/022:52:580
10443993226,4cyclictest9-21ksoftirqd/022:18:440
10443993226,4cyclictest9-21ksoftirqd/021:42:420
10443993226,4cyclictest9-21ksoftirqd/020:17:010
10443993226,4cyclictest9-21ksoftirqd/019:41:140
10443993225,4cyclictest9-21ksoftirqd/023:05:060
10446993126,3cyclictest41-21ksoftirqd/319:20:113
10446993125,4cyclictest41-21ksoftirqd/323:01:033
10445993126,3cyclictest33-21ksoftirqd/223:55:562
10445993126,3cyclictest33-21ksoftirqd/222:26:462
10445993126,3cyclictest33-21ksoftirqd/221:19:092
10445993126,3cyclictest33-21ksoftirqd/220:39:192
10445993125,4cyclictest33-21ksoftirqd/223:43:062
10445993125,4cyclictest33-21ksoftirqd/222:33:512
10445993124,4cyclictest33-21ksoftirqd/219:59:502
1044599310,2cyclictest121rcu_preempt21:55:002
10444993126,3cyclictest25-21ksoftirqd/123:20:391
10444993126,3cyclictest25-21ksoftirqd/122:27:341
10444993126,3cyclictest25-21ksoftirqd/122:08:531
10444993125,4cyclictest25-21ksoftirqd/123:52:481
10444993125,4cyclictest25-21ksoftirqd/123:30:101
10444993125,4cyclictest25-21ksoftirqd/100:25:511
10444993125,4cyclictest25-21ksoftirqd/100:23:451
10443993127,3cyclictest9-21ksoftirqd/023:30:000
10443993127,3cyclictest9-21ksoftirqd/021:30:180
10443993126,3cyclictest9-21ksoftirqd/021:04:590
10443993126,3cyclictest9-21ksoftirqd/020:50:130
10443993126,3cyclictest9-21ksoftirqd/019:56:510
10443993126,3cyclictest9-21ksoftirqd/019:46:320
10443993126,3cyclictest9-21ksoftirqd/000:05:030
10443993125,4cyclictest9-21ksoftirqd/022:48:570
10443993125,4cyclictest9-21ksoftirqd/022:29:510
10443993125,4cyclictest9-21ksoftirqd/021:55:570
10443993125,4cyclictest9-21ksoftirqd/020:42:000
10446993026,3cyclictest41-21ksoftirqd/321:35:183
10446993025,3cyclictest41-21ksoftirqd/319:45:173
10445993026,3cyclictest33-21ksoftirqd/200:09:162
10445993024,4cyclictest33-21ksoftirqd/222:11:452
10445993024,4cyclictest33-21ksoftirqd/221:22:472
10445993023,4cyclictest33-21ksoftirqd/200:11:392
10444993025,3cyclictest25-21ksoftirqd/122:13:321
10444993025,3cyclictest25-21ksoftirqd/120:49:501
10444993025,3cyclictest25-21ksoftirqd/119:57:281
10444993025,3cyclictest25-21ksoftirqd/119:40:031
10443993024,4cyclictest9-21ksoftirqd/021:08:110
10445992924,3cyclictest33-21ksoftirqd/221:32:582
10445992924,3cyclictest33-21ksoftirqd/221:13:262
10445992924,3cyclictest33-21ksoftirqd/220:09:472
10445992924,3cyclictest33-21ksoftirqd/220:09:472
10445992923,4cyclictest33-21ksoftirqd/221:04:522
10445992923,4cyclictest33-21ksoftirqd/219:22:152
10444992924,3cyclictest25-21ksoftirqd/123:48:141
10444992924,3cyclictest25-21ksoftirqd/123:12:311
10444992924,3cyclictest25-21ksoftirqd/122:53:071
10444992924,3cyclictest25-21ksoftirqd/100:32:231
10444992924,3cyclictest25-21ksoftirqd/100:10:091
10444992923,4cyclictest25-21ksoftirqd/120:42:461
10444992923,4cyclictest25-21ksoftirqd/119:25:301
10444992923,4cyclictest25-21ksoftirqd/100:15:111
1044499291,2cyclictest121rcu_preempt19:48:411
10443992925,3cyclictest9-21ksoftirqd/021:13:170
10443992923,4cyclictest9-21ksoftirqd/023:45:530
10443992923,4cyclictest9-21ksoftirqd/020:24:520
10443992922,4cyclictest9-21ksoftirqd/020:57:580
10445992823,3cyclictest33-21ksoftirqd/200:04:082
10445992822,4cyclictest33-21ksoftirqd/223:26:132
10445992822,3cyclictest33-21ksoftirqd/223:15:062
10445992821,4cyclictest33-21ksoftirqd/223:35:162
10445992821,4cyclictest33-21ksoftirqd/221:55:512
10444992823,3cyclictest9936-21ls20:15:011
10444992823,3cyclictest25-21ksoftirqd/122:35:261
10444992823,3cyclictest25-21ksoftirqd/119:11:351
10444992822,4cyclictest25-21ksoftirqd/122:47:331
10444992822,4cyclictest25-21ksoftirqd/121:20:401
10443992823,3cyclictest9-21ksoftirqd/022:00:180
10443992823,3cyclictest9-21ksoftirqd/020:04:080
10443992823,3cyclictest9-21ksoftirqd/019:10:410
10443992823,3cyclictest9-21ksoftirqd/000:02:440
10443992822,3cyclictest9-21ksoftirqd/022:55:120
10445992722,3cyclictest33-21ksoftirqd/220:45:132
10444992721,4cyclictest25-21ksoftirqd/123:01:451
10444992721,4cyclictest25-21ksoftirqd/121:11:571
10444992720,4cyclictest25-21ksoftirqd/120:36:241
10443992722,3cyclictest9-21ksoftirqd/023:30:250
10443992722,3cyclictest9-21ksoftirqd/019:20:180
10443992721,4cyclictest9-21ksoftirqd/020:29:570
10446992620,3cyclictest41-21ksoftirqd/323:20:253
10445992620,4cyclictest33-21ksoftirqd/220:31:032
10443992623,2cyclictest9-21ksoftirqd/000:35:000
10443992622,3cyclictest9-21ksoftirqd/020:34:590
10443992621,3cyclictest9-21ksoftirqd/000:24:430
10445992520,3cyclictest33-21ksoftirqd/222:17:452
10443992521,3cyclictest9-21ksoftirqd/023:10:140
10444992419,3cyclictest25-21ksoftirqd/122:40:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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