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2026-08-15 - 04:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackbslot6.osadl.org (updated Sat Aug 15, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3032121710,5sleep12782899cyclictest23:33:391
1068911630,4ptp4l401ktimersoftd/321:23:463
1037521610,6sleep12782899cyclictest23:01:031
207512770,2sleep30-21swapper/302:10:593
271852744,10sleep00-21swapper/021:21:160
27835996956,5cyclictest33-21ksoftirqd/222:05:592
207142660,3sleep10-21swapper/101:03:241
6102630,3sleep341-21ksoftirqd/302:22:283
27835996251,5cyclictest33-21ksoftirqd/202:26:042
98592610,5sleep031219-1kworker/u9:201:26:040
116562590,2sleep30-21swapper/321:56:063
106891580,1ptp4l401ktimersoftd/302:34:033
106891580,1ptp4l401ktimersoftd/300:54:423
27835995744,6cyclictest33-21ksoftirqd/202:46:052
27835995645,5cyclictest33-21ksoftirqd/200:56:032
106891560,1ptp4l401ktimersoftd/302:07:143
106891560,1ptp4l401ktimersoftd/301:39:253
27835995547,4cyclictest33-21ksoftirqd/200:26:032
27835995431,3cyclictest33-21ksoftirqd/221:56:152
156982540,2sleep20-21swapper/202:05:532
106891530,1ptp4l401ktimersoftd/300:56:183
27835995233,3cyclictest33-21ksoftirqd/222:16:052
27835995233,3cyclictest33-21ksoftirqd/222:16:052
87722500,2sleep30-21swapper/301:24:583
288362500,4sleep12782899cyclictest01:45:521
27835994837,5cyclictest33-21ksoftirqd/200:16:042
27835994732,3cyclictest33-21ksoftirqd/202:06:212
27835994723,7cyclictest33-21ksoftirqd/222:40:522
27835994720,4cyclictest33-21ksoftirqd/223:45:492
27835994538,3cyclictest33-21ksoftirqd/221:45:502
27835994525,3cyclictest33-21ksoftirqd/202:51:042
27835994437,3cyclictest33-21ksoftirqd/201:21:042
27835994433,4cyclictest33-21ksoftirqd/221:26:022
27835994427,14cyclictest33-21ksoftirqd/200:42:172
106891440,2ptp4l22369-21kworker/3:222:49:513
27835994318,4cyclictest33-21ksoftirqd/200:46:042
27835994217,4cyclictest33-21ksoftirqd/201:27:592
27835994217,4cyclictest33-21ksoftirqd/200:01:182
27835994217,4cyclictest33-21ksoftirqd/200:01:182
27835994126,12cyclictest33-21ksoftirqd/223:51:202
193892410,2sleep10-21swapper/122:11:091
106891410,2ptp4l14598-21kworker/3:201:32:263
106891410,1ptp4l401ktimersoftd/301:56:053
27835994027,10cyclictest33-21ksoftirqd/201:46:202
27835994027,10cyclictest33-21ksoftirqd/201:36:122
27835994025,11cyclictest33-21ksoftirqd/222:01:002
27835994017,4cyclictest33-21ksoftirqd/200:11:082
27835994016,4cyclictest33-21ksoftirqd/200:00:272
27835994013,4cyclictest33-21ksoftirqd/201:51:562
27828994033,4cyclictest25-21ksoftirqd/101:31:011
106891400,1ptp4l401ktimersoftd/323:31:033
106891400,1ptp4l401ktimersoftd/300:29:093
27835993928,3cyclictest33-21ksoftirqd/222:21:012
27835993928,3cyclictest33-21ksoftirqd/222:21:012
27835993923,4cyclictest33-21ksoftirqd/200:51:212
27835993918,8cyclictest33-21ksoftirqd/202:16:542
27835993915,4cyclictest33-21ksoftirqd/201:01:102
27835993915,13cyclictest33-21ksoftirqd/201:15:522
27835993914,4cyclictest33-21ksoftirqd/201:34:302
170122390,3sleep30-21swapper/322:06:093
106891390,1ptp4l401ktimersoftd/323:37:363
106891390,1ptp4l401ktimersoftd/300:21:433
106891390,1ptp4l401ktimersoftd/300:06:023
106891390,1ptp4l401ktimersoftd/300:06:023
27835993824,10cyclictest33-21ksoftirqd/200:36:062
27835993820,8cyclictest33-21ksoftirqd/200:31:112
27835993816,7cyclictest33-21ksoftirqd/202:31:132
27835993815,3cyclictest33-21ksoftirqd/222:51:102
2783599381,4cyclictest1075-21sh00:10:502
2783599381,4cyclictest1075-21sh00:10:502
27828993831,3cyclictest25-21ksoftirqd/101:11:011
106891380,1ptp4l401ktimersoftd/323:06:473
106891380,1ptp4l401ktimersoftd/302:18:223
106891380,0ptp4l401ktimersoftd/302:42:333
106891380,0ptp4l401ktimersoftd/300:37:093
27835993732,3cyclictest33-21ksoftirqd/221:55:462
27835993724,10cyclictest33-21ksoftirqd/201:41:192
27835993723,11cyclictest33-21ksoftirqd/222:11:022
27835993721,3cyclictest33-21ksoftirqd/202:21:072
27835993718,10cyclictest33-21ksoftirqd/200:21:062
27835993716,8cyclictest33-21ksoftirqd/222:31:012
27835993716,7cyclictest33-21ksoftirqd/201:57:442
2783599371,3cyclictest33-21ksoftirqd/202:36:222
2783599370,3cyclictest121rcu_preempt01:15:552
2782899370,3cyclictest121rcu_preempt22:35:481
106891370,2ptp4l3785-21kworker/3:002:36:193
106891370,1ptp4l401ktimersoftd/302:30:363
106891370,1ptp4l401ktimersoftd/302:03:383
106891370,1ptp4l401ktimersoftd/301:55:153
106891370,1ptp4l401ktimersoftd/301:43:303
106891370,1ptp4l401ktimersoftd/301:06:013
106891370,1ptp4l401ktimersoftd/300:43:193
106891370,1ptp4l401ktimersoftd/300:05:433
106891370,1ptp4l401ktimersoftd/300:05:433
27835993630,3cyclictest14900-21apt-get23:10:532
27835993629,4cyclictest33-21ksoftirqd/223:31:122
27835993629,3cyclictest33-21ksoftirqd/222:40:482
27835993627,3cyclictest33-21ksoftirqd/223:39:392
27835993619,13cyclictest33-21ksoftirqd/202:41:172
27835993613,4cyclictest33-21ksoftirqd/221:36:002
27835993612,4cyclictest33-21ksoftirqd/222:26:032
27835993611,4cyclictest33-21ksoftirqd/201:10:212
2783599360,3cyclictest121rcu_preempt23:26:182
27828993630,4cyclictest25-21ksoftirqd/100:55:511
268802363,19sleep126944-21which21:21:091
106891360,2ptp4l22369-21kworker/3:222:23:413
106891360,2ptp4l22369-21kworker/3:222:23:413
106891360,1ptp4l401ktimersoftd/323:41:163
106891360,1ptp4l401ktimersoftd/323:30:053
106891360,1ptp4l401ktimersoftd/301:19:323
106891360,1ptp4l401ktimersoftd/300:15:253
106891360,0ptp4l401ktimersoftd/301:29:313
106891360,0ptp4l401ktimersoftd/300:46:543
2783599357,10cyclictest33-21ksoftirqd/223:46:022
2783599354,10cyclictest33-21ksoftirqd/202:11:092
27835993529,4cyclictest33-21ksoftirqd/222:50:492
27835993529,3cyclictest10138-21tr23:01:012
106891350,1ptp4l401ktimersoftd/321:43:263
106891350,1ptp4l401ktimersoftd/302:50:003
106891350,0ptp4l401ktimersoftd/301:49:033
106891350,0ptp4l401ktimersoftd/300:19:493
27835993424,3cyclictest33-21ksoftirqd/221:35:472
27828993429,3cyclictest25-21ksoftirqd/121:55:461
106891340,2ptp4l22369-21kworker/3:223:50:383
106891340,1ptp4l401ktimersoftd/301:03:513
27835993318,12cyclictest33-21ksoftirqd/221:41:052
106891330,11ptp4l401ktimersoftd/301:10:533
27835993227,3cyclictest33-21ksoftirqd/223:10:492
2783599322,2cyclictest121rcu_preempt22:57:332
27828993227,3cyclictest25-21ksoftirqd/123:15:491
27828993227,3cyclictest25-21ksoftirqd/102:23:491
27828993226,3cyclictest25-21ksoftirqd/122:05:591
106891320,1ptp4l6758-21kworker/3:121:52:263
106891320,1ptp4l401ktimersoftd/323:56:263
106891320,1ptp4l401ktimersoftd/323:52:333
106891320,1ptp4l401ktimersoftd/323:21:083
106891320,1ptp4l401ktimersoftd/323:20:023
106891320,1ptp4l401ktimersoftd/323:11:193
106891320,1ptp4l401ktimersoftd/322:56:183
106891320,1ptp4l401ktimersoftd/321:36:013
106891320,1ptp4l401ktimersoftd/321:25:513
106891320,1ptp4l401ktimersoftd/302:50:583
27835993125,3cyclictest19684-21acpi23:21:002
2783599310,3cyclictest121rcu_preempt23:16:182
27828993126,3cyclictest25-21ksoftirqd/100:36:011
27828993125,3cyclictest25-21ksoftirqd/102:40:541
2558423110,9sleep20-21swapper/221:20:502
106891310,1ptp4l401ktimersoftd/322:41:233
106891310,0ptp4l401ktimersoftd/322:38:573
27828993025,3cyclictest25-21ksoftirqd/121:45:461
27828993024,4cyclictest25-21ksoftirqd/122:05:471
27828993023,5cyclictest25-21ksoftirqd/123:41:001
27828993022,4cyclictest25-21ksoftirqd/102:16:061
106891300,1ptp4l401ktimersoftd/321:46:053
106891300,1ptp4l401ktimersoftd/321:34:163
106891300,0ptp4l401ktimersoftd/322:53:303
27828992924,3cyclictest25-21ksoftirqd/101:20:511
27828992924,3cyclictest25-21ksoftirqd/100:15:501
27828992923,3cyclictest25-21ksoftirqd/123:36:021
27828992923,3cyclictest25-21ksoftirqd/123:25:501
27828992923,3cyclictest25-21ksoftirqd/102:51:121
27828992923,3cyclictest25-21ksoftirqd/100:30:511
27823992923,3cyclictest9-21ksoftirqd/000:50:310
27828992823,3cyclictest25-21ksoftirqd/123:55:491
27828992823,3cyclictest25-21ksoftirqd/122:50:491
27828992823,3cyclictest25-21ksoftirqd/102:01:121
27828992822,3cyclictest25-21ksoftirqd/100:01:051
27828992822,3cyclictest25-21ksoftirqd/100:01:051
27828992821,4cyclictest25-21ksoftirqd/122:16:011
27828992821,4cyclictest25-21ksoftirqd/122:16:011
27828992722,3cyclictest25-21ksoftirqd/123:50:501
27828992722,3cyclictest25-21ksoftirqd/123:21:071
27828992722,3cyclictest25-21ksoftirqd/101:26:091
27828992721,4cyclictest25-21ksoftirqd/122:45:481
27828992721,3cyclictest25-21ksoftirqd/123:56:071
27828992721,3cyclictest25-21ksoftirqd/102:11:101
27823992721,3cyclictest9-21ksoftirqd/002:40:540
27828992621,3cyclictest25-21ksoftirqd/101:56:091
27828992620,3cyclictest25-21ksoftirqd/101:51:231
2782399264,13cyclictest19411-21ssh01:36:050
27823992621,3cyclictest9-21ksoftirqd/001:46:090
27823992619,4cyclictest9-21ksoftirqd/023:25:430
27823992619,4cyclictest13717-21ssh02:02:310
106891260,0ptp4l401ktimersoftd/322:28:283
27841992519,3cyclictest41-21ksoftirqd/322:32:123
27841992518,4cyclictest41-21ksoftirqd/322:20:343
27841992518,4cyclictest41-21ksoftirqd/322:20:343
27828992520,3cyclictest25-21ksoftirqd/123:10:491
27828992520,3cyclictest25-21ksoftirqd/100:46:071
27828992520,3cyclictest25-21ksoftirqd/100:06:081
27828992520,3cyclictest25-21ksoftirqd/100:06:081
27828992519,3cyclictest25-21ksoftirqd/122:40:361
27828992519,3cyclictest25-21ksoftirqd/101:36:061
27828992519,3cyclictest25-21ksoftirqd/100:31:081
27828992519,3cyclictest25-21ksoftirqd/100:16:101
27828992516,6cyclictest25-21ksoftirqd/122:51:021
27828992515,6cyclictest25-21ksoftirqd/100:41:031
27823992519,3cyclictest9-21ksoftirqd/023:08:330
27823992519,3cyclictest9-21ksoftirqd/022:44:240
27823992519,3cyclictest9-21ksoftirqd/022:32:160
27823992519,3cyclictest9-21ksoftirqd/002:41:130
27823992519,3cyclictest9-21ksoftirqd/000:51:040
27823992519,3cyclictest16084-21cut22:06:020
27823992518,4cyclictest9-21ksoftirqd/022:50:540
27823992518,4cyclictest9-21ksoftirqd/022:20:350
27823992518,4cyclictest9-21ksoftirqd/022:20:350
106891250,1ptp4l401ktimersoftd/322:12:073
27828992419,3cyclictest25-21ksoftirqd/102:31:061
27828992419,3cyclictest25-21ksoftirqd/102:26:131
27828992418,4cyclictest25-21ksoftirqd/101:22:351
27828992418,3cyclictest25-21ksoftirqd/121:47:391
27828992418,3cyclictest25-21ksoftirqd/121:26:091
27828992418,3cyclictest25-21ksoftirqd/102:46:061
27828992417,4cyclictest25-21ksoftirqd/122:28:431
27828992413,7cyclictest0-21swapper/101:46:031
27823992419,3cyclictest9-21ksoftirqd/023:51:040
27823992419,3cyclictest9-21ksoftirqd/023:31:170
27823992419,3cyclictest9-21ksoftirqd/002:46:130
27823992419,3cyclictest9-21ksoftirqd/000:20:490
27823992418,3cyclictest9-21ksoftirqd/023:17:350
27823992418,3cyclictest9-21ksoftirqd/021:59:510
27823992417,4cyclictest9-21ksoftirqd/022:04:380
27823992417,4cyclictest29775-21ssh00:40:010
106891240,1ptp4l401ktimersoftd/300:30:533
27828992317,4cyclictest25-21ksoftirqd/102:41:111
27828992316,5cyclictest25-21ksoftirqd/102:07:001
27828992316,4cyclictest25-21ksoftirqd/123:19:021
27823992318,3cyclictest9-21ksoftirqd/002:10:530
27823992317,3cyclictest9-21ksoftirqd/022:36:250
27823992317,3cyclictest9-21ksoftirqd/001:55:530
27823992316,4cyclictest9-21ksoftirqd/023:14:430
27823992316,4cyclictest9-21ksoftirqd/022:48:380
27823992316,4cyclictest5354-21grep01:21:070
106891230,1ptp4l401ktimersoftd/323:01:033
106891230,1ptp4l401ktimersoftd/322:00:593
27828992217,3cyclictest25-21ksoftirqd/122:56:041
27828992217,3cyclictest25-21ksoftirqd/121:40:471
27828992217,3cyclictest25-21ksoftirqd/121:35:471
27828992216,3cyclictest25-21ksoftirqd/122:23:231
27828992216,3cyclictest25-21ksoftirqd/122:23:231
27828992216,3cyclictest25-21ksoftirqd/100:21:031
27828992214,6cyclictest0-21swapper/101:06:101
2782399229,7cyclictest101ktimersoftd/000:11:030
2782399224,3cyclictest121rcu_preempt00:27:310
27823992218,3cyclictest21324-1kworker/u9:001:08:250
27823992217,3cyclictest9-21ksoftirqd/002:10:580
27823992217,3cyclictest9-21ksoftirqd/001:01:010
27823992216,4cyclictest9-21ksoftirqd/023:01:150
27823992216,3cyclictest9-21ksoftirqd/022:25:110
27823992216,3cyclictest9-21ksoftirqd/022:25:110
27823992216,3cyclictest9-21ksoftirqd/002:27:020
27823992216,3cyclictest9-21ksoftirqd/001:11:080
27823992216,3cyclictest25898-21grep02:16:070
27823992215,4cyclictest10483-21idleruntime-cro21:55:460
27823992214,5cyclictest3540-21grep21:41:000
27828992116,3cyclictest25-21ksoftirqd/121:56:081
2782899211,4cyclictest14909-21ssh00:56:431
2782399212,11cyclictest27654-21ssh02:51:050
27823992115,3cyclictest9-21ksoftirqd/001:35:110
27823992114,4cyclictest2762-21sh02:25:530
27823992015,3cyclictest9-21ksoftirqd/001:56:050
27823992015,3cyclictest9-21ksoftirqd/001:16:160
27823992015,3cyclictest9-21ksoftirqd/000:06:030
27823992015,3cyclictest9-21ksoftirqd/000:06:030
27823992014,4cyclictest24137-21sh00:33:390
27823992014,3cyclictest9-21ksoftirqd/023:50:240
27823992014,3cyclictest9-21ksoftirqd/022:11:520
27823992014,3cyclictest9-21ksoftirqd/000:21:080
27823992013,4cyclictest6425-21tail21:46:010
27823992013,4cyclictest24144-21seq01:41:010
27823992013,4cyclictest23548-21seq23:26:110
27823992013,4cyclictest21802-21diskmemload23:41:210
2782399200,11cyclictest190722ssh23:55:530
27823991914,3cyclictest9-21ksoftirqd/000:01:170
27823991914,3cyclictest9-21ksoftirqd/000:01:170
27823991913,3cyclictest9-21ksoftirqd/022:29:110
27823991913,3cyclictest9-21ksoftirqd/021:36:040
27823991913,3cyclictest9-21ksoftirqd/002:31:060
27823991913,3cyclictest8320-21irqrtprio22:56:060
27823991912,4cyclictest590-21sed23:36:080
27823991912,4cyclictest30532-21timerwakeupswit21:30:480
27823991912,4cyclictest28234-21cut21:26:040
27823991912,4cyclictest13366-21sh00:56:070
27823991813,3cyclictest30590-21/usr/sbin/munin00:41:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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