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2026-04-02 - 07:18
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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 rackdslot3.osadl.org (updated Thu Apr 02, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491205172,22phc2sys0-21swapper/319:09:203
88522203170,22sleep00-21swapper/019:08:170
88492202168,23sleep20-21swapper/219:08:152
86842201168,22sleep10-21swapper/119:06:061
1978821400,7sleep0928299cyclictest21:45:140
139391710,0ptp4l401ktimersoftd/321:57:233
139391670,1ptp4l401ktimersoftd/323:48:463
139391650,1ptp4l401ktimersoftd/300:22:073
261302580,4sleep10-21swapper/100:10:211
9283995611,7cyclictest25-21ksoftirqd/120:09:221
9284995518,7cyclictest33-21ksoftirqd/222:20:132
9283995414,8cyclictest25-21ksoftirqd/120:15:011
9283995411,9cyclictest25-21ksoftirqd/122:15:011
305632540,1sleep00-21swapper/023:15:000
305632540,1sleep00-21swapper/023:15:000
139391540,8ptp4l0-21swapper/320:29:133
9283995318,6cyclictest25-21ksoftirqd/119:30:011
9283995314,4cyclictest25-21ksoftirqd/120:30:111
212342520,1sleep20-21swapper/220:40:132
139391520,1ptp4l401ktimersoftd/322:35:353
9284995131,9cyclictest33-21ksoftirqd/219:35:242
9283995118,4cyclictest25-21ksoftirqd/123:25:261
9283995117,2cyclictest121rcu_preempt20:55:141
139391510,1ptp4l401ktimersoftd/320:32:513
9282995017,4cyclictest9-21ksoftirqd/022:50:010
139391500,1ptp4l391rcuc/320:48:433
9284994920,19cyclictest33-21ksoftirqd/223:10:232
9284994920,19cyclictest33-21ksoftirqd/223:10:232
928399492,8cyclictest25-21ksoftirqd/120:30:011
928399482,3cyclictest25-21ksoftirqd/122:00:011
134491480,2getstats0-21swapper/323:10:013
9283994713,9cyclictest25-21ksoftirqd/122:55:131
9283994613,7cyclictest25-21ksoftirqd/122:15:271
9283994612,6cyclictest25-21ksoftirqd/121:05:001
9284994523,11cyclictest33-21ksoftirqd/219:45:002
928399459,4cyclictest25-21ksoftirqd/121:30:131
928399458,4cyclictest25-21ksoftirqd/119:50:141
928399457,4cyclictest25-21ksoftirqd/122:00:241
9283994532,3cyclictest25-21ksoftirqd/123:45:141
928399450,2cyclictest7298-21sh21:19:591
928399448,4cyclictest25-21ksoftirqd/123:10:141
928399448,4cyclictest25-21ksoftirqd/123:10:141
928399448,10cyclictest25-21ksoftirqd/119:10:161
928399445,2cyclictest25-21ksoftirqd/120:00:001
9283994438,3cyclictest25-21ksoftirqd/120:40:001
928399441,3cyclictest25-21ksoftirqd/123:50:181
139391440,0ptp4l401ktimersoftd/321:12:333
9284994331,9cyclictest33-21ksoftirqd/220:15:262
9284994325,4cyclictest33-21ksoftirqd/222:30:012
9284994324,9cyclictest33-21ksoftirqd/219:15:242
9284994322,8cyclictest33-21ksoftirqd/223:55:012
9284994320,11cyclictest33-21ksoftirqd/219:30:212
9284994313,9cyclictest33-21ksoftirqd/219:50:202
9283994332,2cyclictest25-21ksoftirqd/119:15:131
928399432,3cyclictest25-21ksoftirqd/120:20:171
928399432,2cyclictest25-21ksoftirqd/120:15:131
928399431,7cyclictest25-21ksoftirqd/122:50:211
928399431,2cyclictest25-21ksoftirqd/122:40:221
928399430,3cyclictest25-21ksoftirqd/123:30:171
928299439,3cyclictest9-21ksoftirqd/020:44:590
139391430,0ptp4l401ktimersoftd/321:47:323
9284994222,10cyclictest33-21ksoftirqd/222:30:192
928399426,3cyclictest121rcu_preempt21:50:151
928399425,6cyclictest25-21ksoftirqd/122:20:161
928399424,3cyclictest121rcu_preempt22:50:001
928399424,3cyclictest121rcu_preempt19:20:231
9283994238,2cyclictest25-21ksoftirqd/123:40:001
9283994236,3cyclictest25-21ksoftirqd/123:25:011
9283994236,3cyclictest25-21ksoftirqd/121:50:011
928399423,2cyclictest25-21ksoftirqd/121:40:261
9283994232,2cyclictest25-21ksoftirqd/120:51:351
928399421,5cyclictest25-21ksoftirqd/100:05:121
928299421,2cyclictest121rcu_preempt23:05:190
9282994211,4cyclictest9-21ksoftirqd/000:30:160
9282994210,8cyclictest9-21ksoftirqd/019:45:240
9282994210,3cyclictest9-21ksoftirqd/019:40:130
139391420,0ptp4l401ktimersoftd/321:24:323
134491420,1getstats0-21swapper/323:45:003
928399416,9cyclictest25-21ksoftirqd/123:58:041
928399416,32cyclictest24132-21irqrtprio20:45:181
928399415,2cyclictest25-21ksoftirqd/123:40:181
928399414,2cyclictest121rcu_preempt20:00:161
928399414,2cyclictest121rcu_preempt19:35:221
9283994137,2cyclictest25-21ksoftirqd/123:10:001
9283994136,3cyclictest25-21ksoftirqd/123:00:221
9283994136,3cyclictest25-21ksoftirqd/100:25:001
9283994136,2cyclictest25-21ksoftirqd/122:40:001
9283994135,3cyclictest25-21ksoftirqd/123:20:011
9283994134,4cyclictest25-21ksoftirqd/100:05:001
9283994134,3cyclictest25-21ksoftirqd/120:40:131
9283994124,4cyclictest25-21ksoftirqd/119:40:101
928399411,5cyclictest25-21ksoftirqd/121:20:211
928299419,4cyclictest9-21ksoftirqd/023:29:590
928299418,3cyclictest9-21ksoftirqd/021:20:130
9282994121,9cyclictest9-21ksoftirqd/020:55:220
139391410,0ptp4l401ktimersoftd/320:51:283
139391410,0ptp4l401ktimersoftd/319:28:363
9284994030,8cyclictest33-21ksoftirqd/200:00:152
9284994029,9cyclictest33-21ksoftirqd/221:25:142
9284994023,5cyclictest33-21ksoftirqd/220:10:172
9284994019,9cyclictest33-21ksoftirqd/222:40:192
928399405,4cyclictest25-21ksoftirqd/119:48:311
9283994036,2cyclictest25-21ksoftirqd/100:35:171
9283994035,3cyclictest25-21ksoftirqd/100:20:001
928399403,2cyclictest121rcu_preempt00:25:141
928399400,7cyclictest12038-21cron21:30:001
9282994019,3cyclictest9-21ksoftirqd/022:00:230
9282994013,6cyclictest9-21ksoftirqd/021:10:260
928299401,2cyclictest23125-21systemctl23:00:000
928299401,2cyclictest121rcu_preempt20:20:250
9282994010,3cyclictest9-21ksoftirqd/023:15:140
134491400,1getstats0-21swapper/300:20:003
9284993930,7cyclictest33-21ksoftirqd/220:09:222
9284993925,4cyclictest33-21ksoftirqd/223:05:242
9284993923,4cyclictest33-21ksoftirqd/223:30:132
9284993920,9cyclictest33-21ksoftirqd/220:50:012
9284993917,10cyclictest33-21ksoftirqd/220:20:252
928399398,9cyclictest25-21ksoftirqd/122:05:211
9283993934,3cyclictest25-21ksoftirqd/122:30:001
9283993934,3cyclictest25-21ksoftirqd/100:34:591
9283993927,3cyclictest25-21ksoftirqd/119:30:011
928399392,2cyclictest121rcu_preempt21:05:191
928299398,7cyclictest9-21ksoftirqd/022:15:170
9282993934,3cyclictest9-21ksoftirqd/023:45:000
9284993834,3cyclictest33-21ksoftirqd/221:00:012
9284993833,3cyclictest33-21ksoftirqd/223:35:222
9284993833,3cyclictest33-21ksoftirqd/219:14:592
9284993824,4cyclictest33-21ksoftirqd/220:50:242
9284993817,4cyclictest33-21ksoftirqd/222:05:202
9284993814,10cyclictest33-21ksoftirqd/221:00:192
9283993833,3cyclictest25-21ksoftirqd/122:30:181
9283993832,3cyclictest25-21ksoftirqd/121:35:131
9283993831,3cyclictest25-21ksoftirqd/121:14:591
9282993833,3cyclictest9-21ksoftirqd/022:05:170
9282993833,3cyclictest9-21ksoftirqd/020:49:590
9282993832,4cyclictest9-21ksoftirqd/000:20:000
9282993832,3cyclictest9-21ksoftirqd/019:40:010
9282993825,3cyclictest9-21ksoftirqd/021:30:190
9282993824,3cyclictest9-21ksoftirqd/020:50:130
9282993824,3cyclictest9-21ksoftirqd/000:25:100
139391380,0ptp4l401ktimersoftd/322:55:113
9285993732,3cyclictest41-21ksoftirqd/320:10:013
9285993731,3cyclictest41-21ksoftirqd/300:05:133
9284993722,4cyclictest33-21ksoftirqd/200:08:192
9284993721,8cyclictest33-21ksoftirqd/222:45:262
9284993720,5cyclictest33-21ksoftirqd/222:15:282
9284993716,9cyclictest33-21ksoftirqd/222:10:132
928299377,3cyclictest9-21ksoftirqd/020:20:010
9282993732,3cyclictest9-21ksoftirqd/000:05:130
9282993724,4cyclictest9-21ksoftirqd/020:30:010
9282993724,3cyclictest9-21ksoftirqd/021:40:170
9282993724,3cyclictest9-21ksoftirqd/020:35:130
9285993631,3cyclictest41-21ksoftirqd/319:20:003
9285993630,3cyclictest41-21ksoftirqd/322:55:003
9284993631,3cyclictest33-21ksoftirqd/221:45:132
9284993631,3cyclictest33-21ksoftirqd/220:25:252
9284993631,3cyclictest33-21ksoftirqd/219:55:272
9284993631,3cyclictest33-21ksoftirqd/219:25:002
9284993631,3cyclictest33-21ksoftirqd/200:35:192
9284993630,4cyclictest33-21ksoftirqd/200:20:412
9284993623,4cyclictest33-21ksoftirqd/221:30:142
928299365,6cyclictest9-21ksoftirqd/000:40:010
928299365,3cyclictest9-21ksoftirqd/021:54:240
928299364,3cyclictest9-21ksoftirqd/019:20:110
9282993631,3cyclictest9-21ksoftirqd/023:35:130
9282993631,3cyclictest9-21ksoftirqd/022:00:000
9282993631,3cyclictest9-21ksoftirqd/021:35:190
9282993631,3cyclictest9-21ksoftirqd/021:05:180
9282993631,3cyclictest9-21ksoftirqd/020:15:010
9282993631,3cyclictest9-21ksoftirqd/020:00:270
9282993631,3cyclictest9-21ksoftirqd/019:50:260
9282993631,3cyclictest9-21ksoftirqd/019:30:000
928299362,3cyclictest121rcu_preempt22:10:180
9285993531,2cyclictest41-21ksoftirqd/323:35:003
9285993530,3cyclictest41-21ksoftirqd/322:50:003
9285993529,4cyclictest41-21ksoftirqd/323:16:573
9285993529,4cyclictest41-21ksoftirqd/321:07:343
9285993529,4cyclictest41-21ksoftirqd/319:33:123
9285993529,4cyclictest41-21ksoftirqd/300:34:103
9285993529,4cyclictest30422-21cron23:15:013
9285993529,4cyclictest30422-21cron23:15:013
9285993529,3cyclictest41-21ksoftirqd/319:55:183
9284993529,4cyclictest33-21ksoftirqd/223:28:262
9284993528,4cyclictest33-21ksoftirqd/221:55:112
9284993524,7cyclictest33-21ksoftirqd/221:15:012
9284993524,10cyclictest33-21ksoftirqd/223:00:202
9284993520,4cyclictest33-21ksoftirqd/221:35:192
9284993519,8cyclictest33-21ksoftirqd/219:45:242
9284993518,8cyclictest33-21ksoftirqd/222:55:232
9284993518,4cyclictest33-21ksoftirqd/222:55:012
928299356,3cyclictest9-21ksoftirqd/000:10:100
928299356,2cyclictest121rcu_preempt22:40:140
928299353,3cyclictest9-21ksoftirqd/000:00:230
928299353,3cyclictest121rcu_preempt23:50:190
9282993530,3cyclictest9-21ksoftirqd/023:30:250
9282993530,3cyclictest9-21ksoftirqd/022:25:130
9282993530,3cyclictest9-21ksoftirqd/021:25:180
9282993530,3cyclictest9-21ksoftirqd/000:20:120
9282993530,2cyclictest9-21ksoftirqd/019:55:280
9282993529,3cyclictest9-21ksoftirqd/023:20:100
9282993529,3cyclictest9-21ksoftirqd/023:00:260
9282993529,3cyclictest9-21ksoftirqd/000:00:000
9282993523,3cyclictest9-21ksoftirqd/019:15:180
9282993522,3cyclictest9-21ksoftirqd/023:45:230
139391350,0ptp4l401ktimersoftd/319:23:293
9285993430,3cyclictest41-21ksoftirqd/320:15:183
9285993429,3cyclictest41-21ksoftirqd/322:10:193
9285993429,3cyclictest41-21ksoftirqd/320:55:193
9285993429,3cyclictest41-21ksoftirqd/320:40:003
9285993428,4cyclictest41-21ksoftirqd/300:02:013
9285993428,3cyclictest41-21ksoftirqd/322:15:193
928599341,3cyclictest121rcu_preempt23:55:003
9284993429,3cyclictest33-21ksoftirqd/223:40:182
9284993428,4cyclictest33-21ksoftirqd/223:17:352
9284993428,3cyclictest33-21ksoftirqd/222:05:002
9284993428,3cyclictest33-21ksoftirqd/220:05:012
9284993419,4cyclictest33-21ksoftirqd/221:20:262
9284993418,4cyclictest33-21ksoftirqd/200:25:132
9284993417,9cyclictest33-21ksoftirqd/200:14:482
928299345,3cyclictest9-21ksoftirqd/022:50:200
9282993430,3cyclictest9-21ksoftirqd/022:30:140
9282993429,3cyclictest9-21ksoftirqd/020:30:220
9282993429,3cyclictest9-21ksoftirqd/020:10:010
9282993429,3cyclictest9-21ksoftirqd/019:10:180
9282993428,3cyclictest9-21ksoftirqd/022:40:010
9285993329,2cyclictest41-21ksoftirqd/323:25:013
9285993328,3cyclictest41-21ksoftirqd/323:59:273
9285993328,3cyclictest41-21ksoftirqd/321:15:163
9285993327,4cyclictest41-21ksoftirqd/323:04:403
9285993327,4cyclictest41-21ksoftirqd/322:41:533
9285993327,4cyclictest41-21ksoftirqd/322:26:093
9285993327,4cyclictest41-21ksoftirqd/322:04:563
9285993327,4cyclictest41-21ksoftirqd/321:03:213
9285993327,4cyclictest41-21ksoftirqd/300:37:353
9285993326,4cyclictest41-21ksoftirqd/321:32:453
9284993328,3cyclictest33-21ksoftirqd/220:35:002
9284993328,3cyclictest33-21ksoftirqd/200:30:472
9284993326,4cyclictest17965-21uname21:40:192
9284993319,4cyclictest33-21ksoftirqd/222:35:242
9284993319,4cyclictest33-21ksoftirqd/221:16:502
9284993316,9cyclictest33-21ksoftirqd/221:53:512
9284993316,9cyclictest33-21ksoftirqd/200:15:222
9282993329,3cyclictest9-21ksoftirqd/019:35:010
9282993327,3cyclictest9-21ksoftirqd/021:20:010
9285993228,2cyclictest41-21ksoftirqd/320:14:233
9285993227,3cyclictest41-21ksoftirqd/322:21:443
9285993227,3cyclictest41-21ksoftirqd/320:22:353
9285993226,4cyclictest41-21ksoftirqd/321:36:033
9285993226,4cyclictest41-21ksoftirqd/300:29:373
9285993226,3cyclictest41-21ksoftirqd/319:49:593
928499326,3cyclictest33-21ksoftirqd/219:25:172
9284993217,7cyclictest33-21ksoftirqd/221:09:032
9282993228,2cyclictest9-21ksoftirqd/021:00:240
9282993226,3cyclictest9-21ksoftirqd/022:20:190
139391320,0ptp4l401ktimersoftd/322:30:183
9285993126,3cyclictest41-21ksoftirqd/321:25:233
9285993126,3cyclictest41-21ksoftirqd/319:10:193
9285993125,4cyclictest41-21ksoftirqd/319:44:073
9285993120,9cyclictest41-21ksoftirqd/319:50:253
928599310,9cyclictest41-21ksoftirqd/322:05:223
9284993126,3cyclictest33-21ksoftirqd/223:45:182
9284993125,4cyclictest33-21ksoftirqd/223:20:522
9284993114,9cyclictest33-21ksoftirqd/223:56:032
139391310,0ptp4l401ktimersoftd/321:44:513
139391310,0ptp4l401ktimersoftd/320:01:513
9284993025,3cyclictest33-21ksoftirqd/220:35:182
139391300,0ptp4l401ktimersoftd/323:28:503
139391300,0ptp4l401ktimersoftd/300:13:463
139391290,0ptp4l401ktimersoftd/323:39:283
9285992822,4cyclictest41-21ksoftirqd/321:54:143
9285992822,4cyclictest41-21ksoftirqd/320:44:003
9285992621,3cyclictest41-21ksoftirqd/319:35:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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