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2026-04-26 - 02:56
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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 Sun Apr 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2131621710,5sleep13096499cyclictest23:59:521
1128621490,3sleep13096499cyclictest23:16:041
106891980,6ptp4l391rcuc/320:19:563
61142670,2sleep20-21swapper/201:23:242
84672650,1sleep18466-21if_err_ens300:19:521
153832650,3sleep23097299cyclictest22:48:032
17432640,1sleep20-21swapper/221:34:522
72972590,5sleep27299-21irqrtprio20:39:482
30980995919,9cyclictest41-21ksoftirqd/322:09:533
24842590,4sleep1231rcuc/120:29:471
101172590,2sleep20-21swapper/222:42:492
101172590,2sleep20-21swapper/222:42:492
30980995820,8cyclictest41-21ksoftirqd/300:49:513
97922570,2sleep19794-21ssh22:42:151
97922570,2sleep19794-21ssh22:42:151
325022570,3sleep03095999cyclictest00:44:480
3096499555,14cyclictest14120-21vmstat01:30:041
3096499554,19cyclictest697-21sed23:05:011
3096499554,19cyclictest15781-21cpuspeed_turbos23:54:471
3096499554,12cyclictest7479-21grep01:24:491
3096499553,13cyclictest19932-21sshd00:30:521
30959995518,4cyclictest9-21ksoftirqd/022:31:040
30972995423,10cyclictest33-21ksoftirqd/200:24:332
3096499545,12cyclictest10596-21grep20:44:581
3096499543,14cyclictest31009-21/usr/sbin/munin01:14:561
3096499543,14cyclictest27582-21tr00:39:471
3096499543,14cyclictest27582-21tr00:39:471
3096499543,13cyclictest23335-21sed22:54:591
3096499543,13cyclictest23335-21sed22:54:591
21152540,2sleep20-21swapper/201:19:352
30980995321,4cyclictest41-21ksoftirqd/300:19:463
30980995318,8cyclictest41-21ksoftirqd/300:04:573
30980995317,8cyclictest41-21ksoftirqd/301:24:503
30972995319,9cyclictest33-21ksoftirqd/200:54:572
30972995312,5cyclictest33-21ksoftirqd/201:34:552
3096499534,14cyclictest19359-21cut23:24:501
3096499533,12cyclictest23960-21tail23:29:471
3096499532,14cyclictest16485-21grep00:59:581
106152530,3sleep210618-21irqrtprio21:54:472
3096499525,12cyclictest16448-21/usr/sbin/munin20:59:451
3096499524,13cyclictest982-21awk21:34:461
3096499524,13cyclictest4809-21sh00:49:341
3096499524,12cyclictest30743-21fschecks_time00:09:491
3096499523,18cyclictest20808-21irqrtprio01:04:531
3096499523,17cyclictest12507-21rm00:56:131
3096499523,14cyclictest13942-21/usr/sbin/munin00:24:541
3096499523,13cyclictest23551-21fschecks_time21:14:471
3096499523,12cyclictest30013-21sed21:29:291
3096499523,12cyclictest28010-21sed22:59:591
3096499522,14cyclictest3073-21cut01:19:541
3096499522,12cyclictest5567-21cat23:44:331
3096499520,17cyclictest0-21swapper/122:54:311
3096499520,17cyclictest0-21swapper/122:54:311
3097299519,5cyclictest33-21ksoftirqd/223:04:462
3096499514,12cyclictest7541-21sed23:45:021
3096499513,13cyclictest21085-21grep21:09:431
3096499513,12cyclictest6837-21/usr/sbin/munin20:39:431
3096499513,12cyclictest24217-21timerwakeupswit00:35:021
3096499512,20cyclictest26439-21latency00:04:521
3096499512,20cyclictest12562-21irqrtprio22:44:511
3096499512,14cyclictest30191-21sed22:29:511
3096499512,13cyclictest5549-21ls23:09:591
3096499512,13cyclictest4709-21awk00:15:041
3096499512,13cyclictest26937-21/usr/sbin/munin01:45:051
3096499512,12cyclictest3272-21ssh22:34:591
3096499512,12cyclictest23828-21timerwakeupswit01:40:071
3096499512,12cyclictest18421-21cut23:24:321
3096499511,17cyclictest17182-21cat01:34:471
30959995133,3cyclictest9-21ksoftirqd/022:54:310
30959995133,3cyclictest9-21ksoftirqd/022:54:310
30980995020,3cyclictest41-21ksoftirqd/323:01:393
30980995018,3cyclictest41-21ksoftirqd/322:16:183
30972995024,4cyclictest33-21ksoftirqd/222:24:502
3096499505,18cyclictest1415-21rm01:50:111
3096499503,16cyclictest12090-21irqrtprio20:49:481
3096499503,13cyclictest19806-21sed21:04:561
3096499503,13cyclictest19806-21sed21:04:561
3096499503,12cyclictest570-21ssh00:44:531
3096499503,12cyclictest20315-21/usr/sbin/munin22:14:501
3096499502,13cyclictest3515-21irqrtprio21:39:471
3096499502,13cyclictest12184-21sh23:49:561
3096499502,13cyclictest11616-21awk21:54:581
30959995032,3cyclictest9-21ksoftirqd/021:14:280
30959995029,3cyclictest9-21ksoftirqd/020:29:420
30959995019,7cyclictest9-21ksoftirqd/000:34:500
30959995018,6cyclictest9-21ksoftirqd/023:04:510
3098099493,8cyclictest3318-21perl00:14:513
30980994922,3cyclictest41-21ksoftirqd/322:55:093
30980994922,3cyclictest41-21ksoftirqd/322:55:093
30972994938,4cyclictest33-21ksoftirqd/201:24:482
30972994920,4cyclictest33-21ksoftirqd/201:40:072
3096499497,12cyclictest18443-21switchtime22:09:571
3096499492,13cyclictest7489-21acpi21:49:391
3096499492,10cyclictest22102-21expr22:19:461
30959994924,6cyclictest9-21ksoftirqd/001:29:530
30959994923,7cyclictest9-21ksoftirqd/000:24:510
30959994920,6cyclictest9-21ksoftirqd/022:39:300
30959994920,6cyclictest9-21ksoftirqd/020:44:280
3098099486,3cyclictest121rcu_preempt23:34:323
30980994824,3cyclictest41-21ksoftirqd/322:40:423
30980994824,3cyclictest41-21ksoftirqd/322:40:423
30980994824,3cyclictest41-21ksoftirqd/320:34:273
30972994825,10cyclictest33-21ksoftirqd/200:34:462
30972994821,4cyclictest33-21ksoftirqd/200:49:342
30972994819,7cyclictest33-21ksoftirqd/222:14:312
30972994814,4cyclictest33-21ksoftirqd/222:54:312
30972994814,4cyclictest33-21ksoftirqd/222:54:312
3096499483,18cyclictest6206-21sed21:44:491
3096499482,19cyclictest13085-21cut21:59:491
3096499482,13cyclictest30416-21/usr/sbin/munin21:29:421
3096499482,13cyclictest15311-21cat22:04:481
3096499482,12cyclictest14346-21irqrtprio20:54:471
3096499481,17cyclictest23865-21diskmemload01:12:351
30959994830,7cyclictest9-21ksoftirqd/023:19:460
30959994830,3cyclictest9-21ksoftirqd/023:09:510
30959994821,7cyclictest9-21ksoftirqd/023:34:460
30959994821,6cyclictest9-21ksoftirqd/001:34:550
30959994820,5cyclictest9-21ksoftirqd/001:19:510
30959994818,6cyclictest9-21ksoftirqd/021:04:400
30959994818,6cyclictest9-21ksoftirqd/021:04:400
30959994816,6cyclictest9-21ksoftirqd/022:44:480
3098099473,8cyclictest16479-21ssh00:59:583
3098099472,7cyclictest41-21ksoftirqd/322:39:303
30980994722,5cyclictest41-21ksoftirqd/321:29:293
30980994719,5cyclictest41-21ksoftirqd/323:04:503
30980994719,4cyclictest41-21ksoftirqd/300:29:453
30980994718,4cyclictest41-21ksoftirqd/300:45:023
30980994712,9cyclictest41-21ksoftirqd/320:34:503
3097299476,8cyclictest33-21ksoftirqd/200:09:442
30972994739,5cyclictest0-21swapper/220:24:282
30972994720,4cyclictest33-21ksoftirqd/200:39:532
30972994720,4cyclictest33-21ksoftirqd/200:39:532
3096499476,6cyclictest0-21swapper/120:39:281
3096499472,19cyclictest29708-21ssh23:34:551
3096499471,19cyclictest32435-21ptp4l20:24:511
3096499471,12cyclictest25715-21sensors22:24:541
3095999474,6cyclictest9626-21idleruntime-cro21:54:300
30959994723,5cyclictest9-21ksoftirqd/021:34:450
30959994721,7cyclictest9-21ksoftirqd/001:49:550
30959994721,4cyclictest9-21ksoftirqd/023:14:560
30959994720,8cyclictest9-21ksoftirqd/022:54:440
30959994720,8cyclictest9-21ksoftirqd/022:54:440
30959994719,5cyclictest9-21ksoftirqd/023:29:470
30959994718,6cyclictest9-21ksoftirqd/000:59:570
3098099465,7cyclictest41-21ksoftirqd/300:41:403
3098099465,7cyclictest41-21ksoftirqd/300:41:403
30980994628,3cyclictest41-21ksoftirqd/321:54:583
30980994622,3cyclictest41-21ksoftirqd/301:30:473
30980994619,3cyclictest41-21ksoftirqd/321:17:493
30980994618,3cyclictest41-21ksoftirqd/320:51:393
30980994618,10cyclictest41-21ksoftirqd/323:14:323
30980994617,5cyclictest41-21ksoftirqd/301:09:513
3095999465,9cyclictest9-21ksoftirqd/020:49:450
30959994621,6cyclictest9-21ksoftirqd/000:20:130
30959994620,7cyclictest9-21ksoftirqd/023:59:470
30959994620,5cyclictest9-21ksoftirqd/022:04:410
30959994611,4cyclictest15329-21wc23:54:330
307222464,30sleep10-21swapper/120:22:491
30980994528,3cyclictest41-21ksoftirqd/300:01:353
30980994525,3cyclictest41-21ksoftirqd/320:39:483
30980994520,3cyclictest41-21ksoftirqd/301:36:553
30980994518,4cyclictest41-21ksoftirqd/323:57:343
30980994516,6cyclictest41-21ksoftirqd/320:59:343
30972994536,5cyclictest33-21ksoftirqd/223:24:432
30972994520,4cyclictest33-21ksoftirqd/222:59:522
30972994520,4cyclictest33-21ksoftirqd/200:29:332
30972994518,4cyclictest33-21ksoftirqd/201:49:352
30972994518,4cyclictest33-21ksoftirqd/200:49:502
3096499451,18cyclictest26295-21irqrtprio21:19:481
30959994530,3cyclictest9-21ksoftirqd/021:59:470
30959994527,8cyclictest9-21ksoftirqd/021:39:580
3095999452,6cyclictest9-21ksoftirqd/000:39:490
3095999452,6cyclictest9-21ksoftirqd/000:39:490
30959994525,6cyclictest9-21ksoftirqd/000:54:450
30959994517,5cyclictest9-21ksoftirqd/000:04:470
30959994510,4cyclictest9-21ksoftirqd/022:25:010
30959994510,3cyclictest9-21ksoftirqd/000:50:020
30980994422,8cyclictest41-21ksoftirqd/322:24:493
30980994421,5cyclictest41-21ksoftirqd/323:14:483
3098099441,8cyclictest41-21ksoftirqd/301:49:503
30980994417,4cyclictest41-21ksoftirqd/321:39:433
30980994414,8cyclictest41-21ksoftirqd/323:44:453
30980994413,8cyclictest41-21ksoftirqd/323:34:503
30972994433,4cyclictest33-21ksoftirqd/200:59:462
30972994427,10cyclictest33-21ksoftirqd/201:04:532
30972994419,4cyclictest33-21ksoftirqd/220:29:552
30972994417,4cyclictest33-21ksoftirqd/223:29:512
30972994410,9cyclictest33-21ksoftirqd/200:04:462
3095999449,3cyclictest9-21ksoftirqd/023:39:510
3095999448,8cyclictest9-21ksoftirqd/021:14:470
3095999444,7cyclictest9-21ksoftirqd/020:29:280
3095999444,3cyclictest9-21ksoftirqd/000:14:560
30959994432,3cyclictest9-21ksoftirqd/022:19:470
30959994425,8cyclictest9-21ksoftirqd/000:34:330
30959994421,7cyclictest9-21ksoftirqd/022:14:500
30959994420,7cyclictest9-21ksoftirqd/023:54:550
30959994416,4cyclictest9-21ksoftirqd/022:59:450
3098099436,7cyclictest41-21ksoftirqd/323:29:003
3098099436,3cyclictest121rcu_preempt01:39:533
3098099435,3cyclictest121rcu_preempt01:04:513
3098099434,8cyclictest41-21ksoftirqd/320:44:473
3098099434,7cyclictest41-21ksoftirqd/323:19:503
3098099433,7cyclictest41-21ksoftirqd/323:39:463
3098099432,8cyclictest41-21ksoftirqd/322:24:303
30980994326,3cyclictest41-21ksoftirqd/322:46:403
30980994320,4cyclictest41-21ksoftirqd/320:54:503
30980994319,3cyclictest41-21ksoftirqd/322:00:163
30980994319,3cyclictest41-21ksoftirqd/321:51:133
30980994319,3cyclictest41-21ksoftirqd/321:05:203
30980994319,3cyclictest41-21ksoftirqd/321:05:203
30980994319,3cyclictest41-21ksoftirqd/301:46:053
30980994318,8cyclictest41-21ksoftirqd/301:19:583
30980994317,3cyclictest41-21ksoftirqd/322:08:313
3098099431,6cyclictest41-21ksoftirqd/321:39:293
30980994313,8cyclictest41-21ksoftirqd/300:35:003
3097299439,8cyclictest33-21ksoftirqd/220:24:442
30972994331,6cyclictest33-21ksoftirqd/220:59:412
3097299432,37cyclictest27605-21cron21:24:292
30972994318,4cyclictest33-21ksoftirqd/223:34:482
30972994318,3cyclictest33-21ksoftirqd/223:59:522
30972994317,4cyclictest33-21ksoftirqd/201:29:542
3095999439,3cyclictest9-21ksoftirqd/001:39:470
3095999438,3cyclictest9-21ksoftirqd/021:44:500
3095999437,8cyclictest9-21ksoftirqd/020:34:440
3095999437,3cyclictest9-21ksoftirqd/000:09:460
3095999436,8cyclictest9-21ksoftirqd/001:44:530
30959994331,3cyclictest9-21ksoftirqd/001:04:520
30959994327,7cyclictest9-21ksoftirqd/001:27:190
30959994324,8cyclictest9-21ksoftirqd/021:19:480
30959994322,10cyclictest9-21ksoftirqd/021:29:290
3095999431,6cyclictest9-21ksoftirqd/001:09:520
30980994230,3cyclictest41-21ksoftirqd/321:29:573
3098099422,8cyclictest41-21ksoftirqd/322:49:503
3098099422,8cyclictest41-21ksoftirqd/322:49:503
3098099422,7cyclictest41-21ksoftirqd/323:54:333
3098099422,7cyclictest41-21ksoftirqd/300:09:463
3098099422,6cyclictest41-21ksoftirqd/300:24:463
30980994226,3cyclictest41-21ksoftirqd/301:16:513
30980994218,3cyclictest41-21ksoftirqd/321:14:183
30980994212,7cyclictest41-21ksoftirqd/321:46:073
3097299428,8cyclictest33-21ksoftirqd/223:15:512
30972994232,5cyclictest33-21ksoftirqd/220:44:412
30972994221,5cyclictest33-21ksoftirqd/220:54:472
30972994218,3cyclictest33-21ksoftirqd/221:14:452
30972994217,4cyclictest33-21ksoftirqd/220:34:472
30972994216,4cyclictest33-21ksoftirqd/223:54:522
30972994216,4cyclictest33-21ksoftirqd/220:54:282
30972994215,8cyclictest33-21ksoftirqd/222:24:302
30972994214,4cyclictest33-21ksoftirqd/221:44:482
3095999429,3cyclictest9-21ksoftirqd/022:43:540
3095999429,3cyclictest9-21ksoftirqd/022:43:540
3095999425,6cyclictest9-21ksoftirqd/023:44:510
30959994231,3cyclictest9-21ksoftirqd/020:44:470
30959994230,3cyclictest9-21ksoftirqd/023:24:450
30959994222,5cyclictest9-21ksoftirqd/001:14:530
30959994221,7cyclictest9-21ksoftirqd/021:29:400
30959994218,4cyclictest9-21ksoftirqd/021:54:560
30959994215,4cyclictest9-21ksoftirqd/022:09:480
3098099414,7cyclictest41-21ksoftirqd/322:29:523
3098099414,7cyclictest41-21ksoftirqd/320:24:483
30980994121,3cyclictest41-21ksoftirqd/300:56:003
30972994116,4cyclictest33-21ksoftirqd/223:21:592
30972994116,4cyclictest33-21ksoftirqd/222:54:582
30972994116,4cyclictest33-21ksoftirqd/222:54:582
30972994116,4cyclictest33-21ksoftirqd/222:04:302
30972994116,4cyclictest33-21ksoftirqd/200:29:502
30972994116,3cyclictest33-21ksoftirqd/221:54:302
30972994115,7cyclictest33-21ksoftirqd/221:29:522
30972994115,6cyclictest33-21ksoftirqd/222:04:462
30972994114,4cyclictest33-21ksoftirqd/222:29:482
30972994114,4cyclictest33-21ksoftirqd/201:49:582
30972994113,4cyclictest33-21ksoftirqd/223:44:322
30959994118,4cyclictest9-21ksoftirqd/020:59:420
30959994117,4cyclictest9-21ksoftirqd/020:54:390
3098099405,7cyclictest41-21ksoftirqd/321:19:593
3097299407,12cyclictest33-21ksoftirqd/222:14:442
30972994030,3cyclictest33-21ksoftirqd/221:04:572
30972994030,3cyclictest33-21ksoftirqd/221:04:572
30972994019,10cyclictest33-21ksoftirqd/223:49:322
3097299400,8cyclictest121rcu_preempt21:29:292
3097299400,5cyclictest121rcu_preempt01:09:502
30972993928,3cyclictest33-21ksoftirqd/200:14:512
30972993915,4cyclictest33-21ksoftirqd/223:09:372
30972993913,4cyclictest33-21ksoftirqd/221:09:392
30972993912,8cyclictest33-21ksoftirqd/222:34:452
30972993910,5cyclictest33-21ksoftirqd/221:39:422
30972993811,4cyclictest33-21ksoftirqd/223:54:332
30959993825,3cyclictest9-21ksoftirqd/020:24:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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