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2026-06-01 - 05:19
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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 Mon Jun 01, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911550,5ptp4l401ktimersoftd/320:40:353
1068911550,5ptp4l401ktimersoftd/320:40:353
1934621540,5sleep32755499cyclictest23:14:483
1113721470,4sleep12754499cyclictest23:06:391
1712721450,3sleep22754999cyclictest23:45:142
106891710,1ptp4l401ktimersoftd/323:01:183
106891680,1ptp4l401ktimersoftd/301:53:563
246952620,2sleep10-21swapper/122:47:561
187192610,4sleep09-21ksoftirqd/022:39:400
76532600,2sleep10-21swapper/100:43:151
316192580,2sleep20-21swapper/200:00:082
106891570,1ptp4l401ktimersoftd/323:27:313
106891570,1ptp4l401ktimersoftd/300:36:093
271502554,38sleep10-21swapper/120:40:401
271502554,38sleep10-21swapper/120:40:401
27540994942,4cyclictest9-21ksoftirqd/002:04:420
27540994942,4cyclictest9-21ksoftirqd/002:04:420
30092480,2sleep10-21swapper/122:04:521
106891480,0ptp4l401ktimersoftd/300:25:193
106891460,1ptp4l401ktimersoftd/323:46:163
27540994539,3cyclictest9-21ksoftirqd/023:29:380
27540994539,3cyclictest9-21ksoftirqd/020:49:360
106891450,2ptp4l24704-21kworker/3:100:19:483
27540994437,4cyclictest9-21ksoftirqd/020:59:360
27540994437,4cyclictest9-21ksoftirqd/001:59:420
27540994437,4cyclictest9-21ksoftirqd/001:59:420
254152440,1sleep20-21swapper/222:49:092
106891440,1ptp4l401ktimersoftd/301:19:363
27540994338,3cyclictest9-21ksoftirqd/023:24:370
27540994336,4cyclictest9-21ksoftirqd/023:59:390
27540994336,4cyclictest9-21ksoftirqd/022:59:370
27540994336,4cyclictest9-21ksoftirqd/021:14:340
27554994236,3cyclictest41-21ksoftirqd/301:09:403
27554994235,3cyclictest41-21ksoftirqd/301:04:393
27540994236,3cyclictest9-21ksoftirqd/020:54:350
27540994235,4cyclictest9-21ksoftirqd/022:19:380
2742424220,11sleep09-21ksoftirqd/020:44:100
2742424220,11sleep09-21ksoftirqd/020:44:100
27540994135,3cyclictest9-21ksoftirqd/000:19:400
27554994033,4cyclictest41-21ksoftirqd/301:14:413
106891400,0ptp4l401ktimersoftd/322:56:513
106891390,1ptp4l401ktimersoftd/323:50:313
106891390,1ptp4l401ktimersoftd/323:40:063
27554993831,4cyclictest41-21ksoftirqd/300:09:403
27540993832,3cyclictest9-21ksoftirqd/021:29:340
27540993831,4cyclictest9-21ksoftirqd/021:44:380
27540993831,4cyclictest9-21ksoftirqd/021:39:390
2754099382,5cyclictest28476-21diskstats01:04:430
106891380,1ptp4l401ktimersoftd/323:35:143
106891380,1ptp4l401ktimersoftd/322:45:263
106891380,1ptp4l401ktimersoftd/302:11:523
106891380,1ptp4l401ktimersoftd/302:02:333
106891380,1ptp4l401ktimersoftd/302:02:333
106891380,1ptp4l401ktimersoftd/301:26:243
106891380,1ptp4l401ktimersoftd/301:03:363
106891380,1ptp4l401ktimersoftd/300:55:483
106891380,1ptp4l401ktimersoftd/300:00:523
27554993730,4cyclictest41-21ksoftirqd/322:39:383
27540993721,6cyclictest9-21ksoftirqd/023:04:550
106891370,2ptp4l24704-21kworker/3:121:44:553
106891370,1ptp4l401ktimersoftd/323:58:063
106891370,1ptp4l401ktimersoftd/323:04:403
106891370,1ptp4l401ktimersoftd/322:53:273
106891370,1ptp4l401ktimersoftd/322:04:403
106891370,1ptp4l401ktimersoftd/302:05:353
106891370,1ptp4l401ktimersoftd/302:05:353
106891370,1ptp4l401ktimersoftd/301:49:013
106891370,1ptp4l401ktimersoftd/301:35:043
106891370,1ptp4l401ktimersoftd/301:29:303
106891370,1ptp4l401ktimersoftd/300:30:373
106891370,0ptp4l401ktimersoftd/323:31:463
106891370,0ptp4l401ktimersoftd/301:39:433
27554993630,3cyclictest41-21ksoftirqd/323:19:383
27554993629,4cyclictest41-21ksoftirqd/300:39:403
27540993630,3cyclictest9-21ksoftirqd/021:49:360
27540993628,3cyclictest9-21ksoftirqd/000:14:380
27540993628,3cyclictest9-21ksoftirqd/000:14:380
106891360,1ptp4l401ktimersoftd/321:02:243
106891360,1ptp4l401ktimersoftd/300:52:273
106891360,0ptp4l401ktimersoftd/300:16:053
106891360,0ptp4l401ktimersoftd/300:16:053
27540993529,3cyclictest9-21ksoftirqd/000:54:400
27540993528,4cyclictest9-21ksoftirqd/000:34:430
27540993527,4cyclictest9-21ksoftirqd/000:29:390
106891350,1ptp4l401ktimersoftd/322:19:253
106891350,1ptp4l401ktimersoftd/321:39:443
106891350,1ptp4l401ktimersoftd/301:55:523
106891350,0ptp4l401ktimersoftd/322:34:503
27549993426,4cyclictest33-21ksoftirqd/201:44:372
27540993428,4cyclictest9-21ksoftirqd/000:04:430
106891340,1ptp4l401ktimersoftd/322:09:393
106891340,1ptp4l401ktimersoftd/300:45:033
106891340,1ptp4l401ktimersoftd/300:06:173
27554993328,3cyclictest41-21ksoftirqd/323:14:263
27549993320,10cyclictest33-21ksoftirqd/201:04:482
27549993319,3cyclictest33-21ksoftirqd/223:14:492
27540993321,10cyclictest9-21ksoftirqd/001:54:480
27540993319,10cyclictest9-21ksoftirqd/022:44:450
2754099331,8cyclictest121rcu_preempt01:50:450
106891330,11ptp4l401ktimersoftd/322:04:143
27549993226,3cyclictest33-21ksoftirqd/202:14:302
27544993226,3cyclictest25-21ksoftirqd/123:54:261
27540993226,3cyclictest9-21ksoftirqd/023:54:400
27540993226,3cyclictest9-21ksoftirqd/022:39:250
27540993226,3cyclictest9-21ksoftirqd/000:44:280
27540993224,6cyclictest9-21ksoftirqd/001:09:520
27540993219,10cyclictest9-21ksoftirqd/021:59:360
106891320,10ptp4l401ktimersoftd/320:45:303
27554993125,3cyclictest41-21ksoftirqd/322:34:243
27549993126,3cyclictest33-21ksoftirqd/201:34:432
27549993125,3cyclictest33-21ksoftirqd/223:39:402
27549993125,3cyclictest33-21ksoftirqd/223:04:252
27549993125,3cyclictest33-21ksoftirqd/220:54:372
27549993124,4cyclictest33-21ksoftirqd/201:24:592
27549993113,16cyclictest33-21ksoftirqd/201:13:192
27544993126,3cyclictest25-21ksoftirqd/100:54:281
2754099315,3cyclictest121rcu_preempt02:09:570
27540993126,3cyclictest9-21ksoftirqd/023:09:390
27540993126,3cyclictest9-21ksoftirqd/022:54:250
27540993125,3cyclictest9-21ksoftirqd/023:24:270
27540993125,3cyclictest9-21ksoftirqd/022:14:240
27540993125,3cyclictest9-21ksoftirqd/000:49:560
27540993125,3cyclictest9-21ksoftirqd/000:44:420
27540993124,3cyclictest9-21ksoftirqd/001:29:460
27540993119,9cyclictest9-21ksoftirqd/000:09:430
2754099311,7cyclictest9-21ksoftirqd/023:39:480
203782310,1sleep10-21swapper/100:22:471
106891310,1ptp4l401ktimersoftd/321:57:113
27554993024,3cyclictest41-21ksoftirqd/321:04:363
27554993024,3cyclictest41-21ksoftirqd/320:49:253
27554993023,4cyclictest41-21ksoftirqd/321:19:373
27549993025,3cyclictest33-21ksoftirqd/201:44:292
27549993024,3cyclictest33-21ksoftirqd/200:49:432
27549993024,3cyclictest33-21ksoftirqd/200:09:272
2754099307,7cyclictest9-21ksoftirqd/022:29:390
27540993025,3cyclictest9-21ksoftirqd/023:49:430
27540993025,3cyclictest9-21ksoftirqd/022:24:480
27540993025,3cyclictest9-21ksoftirqd/001:40:220
27540993025,3cyclictest9-21ksoftirqd/001:29:290
27540993025,3cyclictest9-21ksoftirqd/001:19:410
27540993025,3cyclictest9-21ksoftirqd/001:14:520
27540993024,3cyclictest9-21ksoftirqd/023:44:410
27540993024,3cyclictest9-21ksoftirqd/022:09:240
27540993024,3cyclictest9-21ksoftirqd/001:39:280
253942306,10sleep20-21swapper/220:39:362
253942306,10sleep20-21swapper/220:39:362
106891300,1ptp4l401ktimersoftd/321:54:223
106891300,1ptp4l401ktimersoftd/321:35:183
27549992923,3cyclictest33-21ksoftirqd/222:49:412
27549992923,3cyclictest33-21ksoftirqd/221:24:432
27549992923,3cyclictest33-21ksoftirqd/200:14:272
27544992924,3cyclictest25-21ksoftirqd/123:49:261
27544992924,3cyclictest25-21ksoftirqd/123:44:271
27544992924,3cyclictest25-21ksoftirqd/123:39:271
27544992924,3cyclictest25-21ksoftirqd/122:39:251
27544992924,3cyclictest25-21ksoftirqd/102:14:301
27544992923,3cyclictest25-21ksoftirqd/100:39:281
2754499291,21cyclictest13189-21ssh23:09:371
27540992924,3cyclictest9-21ksoftirqd/023:34:480
27540992924,3cyclictest9-21ksoftirqd/021:24:430
27540992924,3cyclictest9-21ksoftirqd/021:19:510
27540992924,3cyclictest9-21ksoftirqd/001:45:540
27540992923,3cyclictest9-21ksoftirqd/000:24:420
27540992922,4cyclictest9-21ksoftirqd/001:04:290
27554992822,3cyclictest41-21ksoftirqd/321:34:243
27554992822,3cyclictest41-21ksoftirqd/321:14:233
27554992821,3cyclictest41-21ksoftirqd/322:29:253
27549992822,4cyclictest33-21ksoftirqd/201:59:442
27549992822,4cyclictest33-21ksoftirqd/201:59:442
27549992822,3cyclictest33-21ksoftirqd/201:24:292
27544992823,3cyclictest25-21ksoftirqd/121:24:231
27544992823,3cyclictest25-21ksoftirqd/102:09:291
27544992823,3cyclictest25-21ksoftirqd/102:09:291
27544992823,3cyclictest25-21ksoftirqd/101:39:291
27544992823,3cyclictest25-21ksoftirqd/100:59:471
27544992823,3cyclictest25-21ksoftirqd/100:09:461
27544992823,3cyclictest25-21ksoftirqd/100:04:261
27544992822,3cyclictest25-21ksoftirqd/123:29:271
27544992822,3cyclictest25-21ksoftirqd/122:09:361
27544992822,3cyclictest25-21ksoftirqd/120:54:421
27544992821,5cyclictest25-21ksoftirqd/123:16:191
27544992821,4cyclictest25-21ksoftirqd/101:19:471
2754099284,3cyclictest121rcu_preempt22:58:270
27540992823,3cyclictest9-21ksoftirqd/023:14:520
27540992822,3cyclictest9-21ksoftirqd/021:14:230
27540992822,3cyclictest9-21ksoftirqd/021:04:360
27554992722,3cyclictest41-21ksoftirqd/322:19:453
2755499271,3cyclictest121rcu_preempt21:24:383
27549992722,3cyclictest33-21ksoftirqd/221:54:442
27549992722,3cyclictest33-21ksoftirqd/220:44:382
27549992721,3cyclictest33-21ksoftirqd/223:04:382
27549992721,3cyclictest33-21ksoftirqd/221:19:232
27549992721,3cyclictest33-21ksoftirqd/200:34:462
27549992717,8cyclictest33-21ksoftirqd/222:56:322
27544992722,3cyclictest25-21ksoftirqd/120:59:421
27544992722,3cyclictest25-21ksoftirqd/101:29:491
27544992722,3cyclictest25-21ksoftirqd/101:04:461
27544992722,3cyclictest25-21ksoftirqd/100:04:471
27540992721,3cyclictest9-21ksoftirqd/022:14:540
27540992721,3cyclictest9-21ksoftirqd/020:49:220
106891270,0ptp4l401ktimersoftd/320:58:383
2754999269,3cyclictest33-21ksoftirqd/202:05:322
2754999269,3cyclictest33-21ksoftirqd/202:05:322
27549992621,3cyclictest33-21ksoftirqd/223:49:442
27549992621,3cyclictest33-21ksoftirqd/222:04:422
27549992621,3cyclictest33-21ksoftirqd/221:09:382
27549992621,3cyclictest33-21ksoftirqd/221:04:392
27549992621,3cyclictest33-21ksoftirqd/200:14:542
27549992621,3cyclictest33-21ksoftirqd/200:14:542
27549992620,3cyclictest33-21ksoftirqd/201:01:382
27544992621,3cyclictest25-21ksoftirqd/123:29:381
27544992621,3cyclictest25-21ksoftirqd/122:44:251
27544992621,3cyclictest25-21ksoftirqd/121:39:461
27544992621,3cyclictest25-21ksoftirqd/120:49:221
27544992621,3cyclictest25-21ksoftirqd/101:49:501
27544992621,3cyclictest25-21ksoftirqd/101:29:291
27544992621,3cyclictest25-21ksoftirqd/101:14:471
27544992621,3cyclictest25-21ksoftirqd/101:09:441
27544992620,3cyclictest25-21ksoftirqd/121:24:361
27540992612,11cyclictest9-21ksoftirqd/021:34:400
27554992519,3cyclictest41-21ksoftirqd/321:14:523
2754999256,8cyclictest5797-21gltestperf23:34:462
2754999254,4cyclictest27930-21ssh23:24:382
27549992521,3cyclictest33-21ksoftirqd/222:29:432
27549992520,3cyclictest33-21ksoftirqd/223:19:452
27549992520,3cyclictest33-21ksoftirqd/222:39:252
27549992520,3cyclictest33-21ksoftirqd/222:14:252
27549992520,3cyclictest33-21ksoftirqd/201:54:512
27549992519,3cyclictest33-21ksoftirqd/222:39:452
27549992519,3cyclictest33-21ksoftirqd/221:47:332
27549992519,3cyclictest33-21ksoftirqd/221:32:272
27549992519,3cyclictest33-21ksoftirqd/201:14:572
27549992518,4cyclictest33-21ksoftirqd/222:13:402
27549992518,4cyclictest33-21ksoftirqd/222:04:052
27544992520,3cyclictest25-21ksoftirqd/123:24:261
27544992520,3cyclictest25-21ksoftirqd/122:59:361
27544992520,3cyclictest25-21ksoftirqd/122:54:261
27544992520,3cyclictest25-21ksoftirqd/122:19:391
27544992520,3cyclictest25-21ksoftirqd/121:29:411
27544992520,3cyclictest25-21ksoftirqd/121:09:411
27544992520,3cyclictest25-21ksoftirqd/101:44:551
27540992519,3cyclictest9-21ksoftirqd/021:54:420
27549992419,3cyclictest33-21ksoftirqd/223:56:072
27549992419,3cyclictest33-21ksoftirqd/223:09:542
27549992419,3cyclictest33-21ksoftirqd/220:49:242
27549992419,3cyclictest33-21ksoftirqd/200:44:282
27549992418,3cyclictest33-21ksoftirqd/222:24:392
27549992418,3cyclictest33-21ksoftirqd/222:19:442
27549992418,3cyclictest33-21ksoftirqd/220:59:372
27544992419,3cyclictest25-21ksoftirqd/122:29:251
27544992419,3cyclictest25-21ksoftirqd/101:59:291
27544992419,3cyclictest25-21ksoftirqd/100:49:281
27544992418,3cyclictest25-21ksoftirqd/122:02:311
27544992418,3cyclictest25-21ksoftirqd/100:14:421
27544992418,3cyclictest25-21ksoftirqd/100:14:421
27544992417,4cyclictest25-21ksoftirqd/121:35:411
27544992417,4cyclictest25-21ksoftirqd/121:17:271
2754999233,9cyclictest121rcu_preempt00:44:532
27549992317,3cyclictest33-21ksoftirqd/201:49:502
27549992316,4cyclictest33-21ksoftirqd/221:34:262
27544992318,3cyclictest25-21ksoftirqd/121:54:441
27544992318,3cyclictest25-21ksoftirqd/100:24:471
27544992317,3cyclictest25-21ksoftirqd/100:54:471
27544992316,4cyclictest25-21ksoftirqd/122:16:361
27549992217,3cyclictest33-21ksoftirqd/223:29:502
27549992217,3cyclictest33-21ksoftirqd/221:39:402
27549992212,5cyclictest33-21ksoftirqd/200:54:402
27544992218,3cyclictest25-21ksoftirqd/101:59:521
27544992218,3cyclictest25-21ksoftirqd/101:59:521
27544992217,3cyclictest25-21ksoftirqd/122:34:241
27544992217,3cyclictest25-21ksoftirqd/121:44:491
27544992217,3cyclictest25-21ksoftirqd/121:04:411
27544992215,5cyclictest25-21ksoftirqd/100:32:121
27544992214,5cyclictest47050irq/101-ens3-Tx01:40:221
27549992116,3cyclictest33-21ksoftirqd/201:29:462
27549992115,4cyclictest33-21ksoftirqd/221:20:132
27549992115,3cyclictest33-21ksoftirqd/221:49:382
27549992115,3cyclictest33-21ksoftirqd/200:19:452
2754999210,5cyclictest25287-21ssh00:27:532
2754499212,7cyclictest121rcu_preempt23:54:401
27544992116,3cyclictest25-21ksoftirqd/122:54:401
27544992114,4cyclictest25-21ksoftirqd/120:52:541
2754999203,5cyclictest121rcu_preempt00:29:562
27544991913,3cyclictest25-21ksoftirqd/121:50:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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