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2026-08-25 - 23:02
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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 Tue Aug 25, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2703721820,4sleep3257599cyclictest14:13:453
1068911810,5ptp4l401ktimersoftd/309:26:493
1689321620,4sleep3257599cyclictest12:57:043
2560997260,6cyclictest25-21ksoftirqd/109:31:531
156002690,5sleep233-21ksoftirqd/212:56:512
2560996653,6cyclictest25-21ksoftirqd/113:46:521
2560996653,6cyclictest25-21ksoftirqd/113:46:521
21992664,10sleep20-21swapper/209:28:222
185572640,4sleep0255499cyclictest12:26:540
216142630,4sleep321616-21grep14:41:553
24232624,10sleep10-21swapper/109:31:161
192092620,4sleep1241ktimersoftd/111:11:521
35826044,9sleep0494-21cpuspeed_turbos09:26:470
2560996050,5cyclictest25-21ksoftirqd/113:31:521
57932580,2sleep30-21swapper/311:41:373
18592570,1sleep10-21swapper/114:21:541
2560995442,5cyclictest25-21ksoftirqd/112:36:511
2560995346,4cyclictest25-21ksoftirqd/111:31:491
2560995344,4cyclictest25-21ksoftirqd/112:11:501
138622520,2sleep00-21swapper/012:54:410
308322510,2sleep00-21swapper/013:11:590
2575995021,9cyclictest41-21ksoftirqd/313:04:443
256099504,4cyclictest121rcu_preempt10:56:471
257599497,8cyclictest41-21ksoftirqd/312:06:513
257599496,9cyclictest41-21ksoftirqd/313:42:033
257599496,9cyclictest41-21ksoftirqd/313:42:033
257599494,8cyclictest41-21ksoftirqd/314:37:023
2575994921,8cyclictest41-21ksoftirqd/313:29:123
2575994920,8cyclictest41-21ksoftirqd/312:54:323
2575994919,9cyclictest41-21ksoftirqd/311:59:233
257599487,9cyclictest19008-21ssh13:32:093
2575994822,7cyclictest41-21ksoftirqd/314:29:443
2575994820,9cyclictest41-21ksoftirqd/314:24:193
2560994823,3cyclictest25-21ksoftirqd/112:41:521
257599476,9cyclictest41-21ksoftirqd/312:41:563
257599476,8cyclictest41-21ksoftirqd/313:17:453
257599476,7cyclictest41-21ksoftirqd/309:41:473
257599475,8cyclictest41-21ksoftirqd/313:51:403
257599475,8cyclictest41-21ksoftirqd/313:51:403
257599474,7cyclictest41-21ksoftirqd/312:47:103
257599474,7cyclictest41-21ksoftirqd/309:31:543
257599468,8cyclictest13665-21turbostat.cron11:01:363
257599466,8cyclictest13843-21munin-run14:01:403
257599466,7cyclictest41-21ksoftirqd/315:01:413
257599466,7cyclictest41-21ksoftirqd/312:11:523
257599466,7cyclictest41-21ksoftirqd/309:41:343
257599466,10cyclictest41-21ksoftirqd/314:46:583
257599465,9cyclictest41-21ksoftirqd/314:06:593
257599465,9cyclictest41-21ksoftirqd/312:32:063
257599465,7cyclictest41-21ksoftirqd/310:42:033
257599463,8cyclictest41-21ksoftirqd/309:51:533
257599463,7cyclictest41-21ksoftirqd/314:17:023
2575994622,7cyclictest41-21ksoftirqd/309:51:343
2560994639,4cyclictest25-21ksoftirqd/109:41:381
2560994628,10cyclictest25-21ksoftirqd/109:46:511
106891460,1ptp4l401ktimersoftd/311:34:593
257599457,9cyclictest41-21ksoftirqd/313:07:003
257599457,9cyclictest41-21ksoftirqd/312:22:033
257599456,8cyclictest41-21ksoftirqd/314:01:573
257599453,6cyclictest41-21ksoftirqd/312:37:093
2560994520,8cyclictest25-21ksoftirqd/113:16:381
257599447,8cyclictest41-21ksoftirqd/311:42:003
257599447,8cyclictest41-21ksoftirqd/311:06:373
257599447,6cyclictest41-21ksoftirqd/313:36:583
257599446,9cyclictest41-21ksoftirqd/312:02:093
257599446,9cyclictest41-21ksoftirqd/312:02:093
257599446,8cyclictest41-21ksoftirqd/313:52:023
257599446,8cyclictest41-21ksoftirqd/310:16:533
257599446,8cyclictest41-21ksoftirqd/310:16:353
257599446,8cyclictest41-21ksoftirqd/310:16:353
257599446,10cyclictest41-21ksoftirqd/313:22:043
257599445,7cyclictest41-21ksoftirqd/311:51:373
257599444,7cyclictest41-21ksoftirqd/311:22:003
257599443,8cyclictest41-21ksoftirqd/311:55:013
257599437,7cyclictest41-21ksoftirqd/311:16:553
257599436,8cyclictest41-21ksoftirqd/310:51:523
257599436,7cyclictest41-21ksoftirqd/311:06:493
257599436,7cyclictest41-21ksoftirqd/310:11:343
257599436,10cyclictest41-21ksoftirqd/312:18:433
257599435,8cyclictest41-21ksoftirqd/314:31:423
257599435,8cyclictest41-21ksoftirqd/310:36:543
257599435,10cyclictest41-21ksoftirqd/311:12:053
257599434,8cyclictest41-21ksoftirqd/312:26:593
257599433,7cyclictest41-21ksoftirqd/310:31:513
257599433,10cyclictest41-21ksoftirqd/310:26:573
257599431,5cyclictest0-21swapper/314:51:593
2560994319,4cyclictest25-21ksoftirqd/114:57:091
257599426,7cyclictest41-21ksoftirqd/310:46:523
257599425,8cyclictest41-21ksoftirqd/310:01:523
257599425,8cyclictest41-21ksoftirqd/309:56:483
257599424,8cyclictest41-21ksoftirqd/313:16:043
257599423,6cyclictest26588-21fschecks_time11:26:533
2560994217,4cyclictest25-21ksoftirqd/113:10:381
257599414,7cyclictest41-21ksoftirqd/310:21:513
2560994134,4cyclictest25-21ksoftirqd/114:46:531
2560994125,6cyclictest25-21ksoftirqd/112:06:591
2560994122,3cyclictest25-21ksoftirqd/111:56:591
2564994014,4cyclictest31269-21fschecks_count12:06:522
2560994034,3cyclictest25-21ksoftirqd/112:46:521
2560994033,4cyclictest25-21ksoftirqd/113:21:531
256499393,12cyclictest6155-21ssh11:41:492
256499393,12cyclictest19750-21kworker/u8:114:36:532
2560993934,3cyclictest25-21ksoftirqd/113:01:511
2560993926,3cyclictest25-21ksoftirqd/111:56:371
2560993920,8cyclictest25-21ksoftirqd/112:27:021
2560993915,4cyclictest25-21ksoftirqd/113:41:581
2560993915,4cyclictest25-21ksoftirqd/113:41:581
2560993915,4cyclictest25-21ksoftirqd/113:26:591
256499385,11cyclictest8357-21ssh12:16:492
256499383,10cyclictest30133-21apt-get13:11:532
256099384,3cyclictest121rcu_preempt14:27:531
2560993832,3cyclictest25-21ksoftirqd/114:21:411
256099381,9cyclictest25-21ksoftirqd/111:51:371
256099378,8cyclictest25-21ksoftirqd/113:16:591
256099378,11cyclictest25-21ksoftirqd/114:11:411
256099375,9cyclictest25-21ksoftirqd/112:16:521
2560993729,4cyclictest25-21ksoftirqd/114:01:531
2560993723,11cyclictest25-21ksoftirqd/112:55:101
2560993715,4cyclictest25-21ksoftirqd/113:52:021
2560993630,3cyclictest25-21ksoftirqd/114:41:421
2560993630,3cyclictest25-21ksoftirqd/113:41:391
2560993630,3cyclictest25-21ksoftirqd/110:01:341
2560993619,6cyclictest25-21ksoftirqd/114:32:011
2560993614,3cyclictest25-21ksoftirqd/110:41:541
256099361,3cyclictest121rcu_preempt12:31:401
256099361,3cyclictest121rcu_preempt12:24:481
2560993613,4cyclictest25-21ksoftirqd/113:01:391
2560993612,4cyclictest25-21ksoftirqd/111:45:281
2560993612,4cyclictest25-21ksoftirqd/111:06:521
256099359,4cyclictest25-21ksoftirqd/113:56:531
256099355,7cyclictest25-21ksoftirqd/111:16:591
256099353,3cyclictest121rcu_preempt10:36:511
2560993529,3cyclictest25-21ksoftirqd/114:11:451
2560993529,3cyclictest25-21ksoftirqd/109:41:341
2560993523,3cyclictest25-21ksoftirqd/109:51:501
2560993512,7cyclictest25-21ksoftirqd/110:31:521
256099345,5cyclictest25-21ksoftirqd/111:36:511
2560993428,3cyclictest25-21ksoftirqd/110:56:361
2560993421,3cyclictest25-21ksoftirqd/111:27:061
255499343,5cyclictest121rcu_preempt14:17:000
2560993327,3cyclictest25-21ksoftirqd/114:51:591
2560993327,3cyclictest25-21ksoftirqd/111:21:531
2560993323,3cyclictest25-21ksoftirqd/110:27:051
2560993321,9cyclictest25-21ksoftirqd/114:42:001
2560993227,3cyclictest25-21ksoftirqd/110:16:351
2560993227,3cyclictest25-21ksoftirqd/110:16:351
2560993226,3cyclictest25-21ksoftirqd/112:01:501
2560993226,3cyclictest25-21ksoftirqd/112:01:501
2560993226,3cyclictest25-21ksoftirqd/111:01:551
2560993226,3cyclictest25-21ksoftirqd/110:46:581
256499315,15cyclictest24297-21ssh14:11:542
256099315,3cyclictest121rcu_preempt10:01:511
2560993126,3cyclictest25-21ksoftirqd/110:26:351
2560993125,3cyclictest25-21ksoftirqd/110:16:541
2560993125,3cyclictest25-21ksoftirqd/110:06:561
160192310,2sleep00-21swapper/011:51:410
256499296,14cyclictest21476-21ssh14:41:542
2564992923,3cyclictest33-21ksoftirqd/212:31:302
2564992822,3cyclictest33-21ksoftirqd/212:24:342
2554992821,4cyclictest9-21ksoftirqd/010:47:340
2564992721,3cyclictest33-21ksoftirqd/209:37:252
2554992721,3cyclictest9-21ksoftirqd/009:36:300
2554992720,4cyclictest17142-21grep12:57:070
256499268,14cyclictest29862-21irqrtprio14:16:592
2564992620,3cyclictest33-21ksoftirqd/214:33:552
2564992620,3cyclictest33-21ksoftirqd/211:09:262
2564992619,4cyclictest33-21ksoftirqd/214:54:512
2564992619,4cyclictest33-21ksoftirqd/214:06:292
2564992619,4cyclictest33-21ksoftirqd/209:49:152
2554992620,3cyclictest9-21ksoftirqd/013:27:030
2554992620,3cyclictest9-21ksoftirqd/009:55:560
2554992620,3cyclictest28322-21diskmemload13:39:300
2554992619,4cyclictest9-21ksoftirqd/009:51:130
56932250,2sleep00-21swapper/011:41:340
2564992520,3cyclictest33-21ksoftirqd/214:56:532
2564992520,3cyclictest33-21ksoftirqd/211:38:192
2564992519,3cyclictest33-21ksoftirqd/213:17:552
2564992519,3cyclictest33-21ksoftirqd/212:42:102
2564992519,3cyclictest33-21ksoftirqd/211:20:232
2564992519,3cyclictest33-21ksoftirqd/210:43:462
2564992519,3cyclictest33-21ksoftirqd/210:06:412
2564992519,3cyclictest33-21ksoftirqd/210:05:162
2564992518,4cyclictest33-21ksoftirqd/214:11:032
2564992518,4cyclictest33-21ksoftirqd/209:44:052
2554992519,3cyclictest9-21ksoftirqd/010:43:120
2554992519,3cyclictest9-21ksoftirqd/009:45:350
2554992518,4cyclictest9680-21sed10:51:540
256499242,16cyclictest6865-21apt-get10:46:482
2564992419,3cyclictest33-21ksoftirqd/211:28:362
2564992418,3cyclictest33-21ksoftirqd/213:25:462
2564992417,4cyclictest33-21ksoftirqd/210:37:562
2564992417,4cyclictest33-21ksoftirqd/210:30:092
2554992418,3cyclictest9-21ksoftirqd/012:05:380
2554992418,3cyclictest9-21ksoftirqd/012:05:380
2554992418,3cyclictest9-21ksoftirqd/011:14:350
2554992418,3cyclictest9-21ksoftirqd/010:29:460
2554992418,3cyclictest9-21ksoftirqd/010:12:290
2554992418,3cyclictest9-21ksoftirqd/010:12:290
2554992417,4cyclictest9-21ksoftirqd/013:43:030
2554992417,4cyclictest9-21ksoftirqd/013:43:030
255499241,3cyclictest22702-21apt-get12:31:430
71852230,4sleep233-21ksoftirqd/213:53:402
256499238,12cyclictest28322-21diskmemload13:10:442
2564992318,3cyclictest33-21ksoftirqd/213:28:392
2564992317,3cyclictest33-21ksoftirqd/210:18:272
2564992316,4cyclictest33-21ksoftirqd/213:34:502
2564992316,4cyclictest33-21ksoftirqd/209:57:212
2564992310,6cyclictest11597-21apt-get10:56:472
255499234,11cyclictest1055-21runrttasks11:16:480
255499233,12cyclictest4449-21ssh13:51:500
2554992318,3cyclictest9-21ksoftirqd/013:02:010
2554992317,3cyclictest9-21ksoftirqd/013:24:160
2554992317,3cyclictest9-21ksoftirqd/011:36:280
2554992316,4cyclictest9-21ksoftirqd/011:28:330
256499226,9cyclictest0-21swapper/210:31:472
256499222,15cyclictest13185-21apt-get09:51:462
2564992216,3cyclictest23893-21apt-get11:21:492
2564992215,4cyclictest33-21ksoftirqd/211:15:142
2564992215,4cyclictest33-21ksoftirqd/210:24:232
2564992215,4cyclictest33-21ksoftirqd/209:34:332
2554992217,3cyclictest9-21ksoftirqd/014:43:520
2554992216,3cyclictest9-21ksoftirqd/011:05:560
2554992216,3cyclictest9-21ksoftirqd/009:39:530
2554992215,4cyclictest9-21ksoftirqd/010:07:470
2554992215,4cyclictest9-21ksoftirqd/009:58:440
2554992215,4cyclictest9077-21sh12:16:560
2554992215,4cyclictest29899-21wc12:37:080
2554992215,4cyclictest16699-21tr14:36:550
2554992214,5cyclictest26382-21needreboot13:06:590
255499221,19cyclictest0-21swapper/013:58:250
255499221,18cyclictest16022-21grep14:02:110
255499221,18cyclictest1009-21snmp_o5powerctl13:47:040
255499221,18cyclictest1009-21snmp_o5powerctl13:47:040
2564992115,3cyclictest7696-21needreboot14:27:032
2564992114,4cyclictest8235-21sh12:48:252
2564992114,4cyclictest7168-21sh12:15:192
2564992114,4cyclictest4232-21sed13:51:402
2564992114,4cyclictest4232-21sed13:51:402
2564992114,4cyclictest25965-21/usr/sbin/munin12:01:572
2564992114,4cyclictest25965-21/usr/sbin/munin12:01:572
2564992114,4cyclictest10976-21/usr/sbin/munin11:47:052
2564992114,4cyclictest1055-21runrttasks13:37:402
256499211,18cyclictest0-21swapper/212:32:032
256499211,17cyclictest30179-21snmp_o5powerctl11:32:012
2554992116,3cyclictest9-21ksoftirqd/011:00:150
2554992115,3cyclictest9-21ksoftirqd/011:23:310
2554992115,3cyclictest9-21ksoftirqd/010:02:370
2554992114,4cyclictest9-21ksoftirqd/010:36:380
2554992114,4cyclictest28421-21sh14:16:070
2554992114,4cyclictest27439-21missed_timers14:47:010
2554992114,4cyclictest26096-21cut10:16:560
255499211,3cyclictest7116-21snmp_o5powerctl12:47:070
255499211,2cyclictest0-21swapper/014:34:050
2564992015,3cyclictest20657-21ssh13:01:552
2564992014,3cyclictest33-21ksoftirqd/212:37:002
2564992014,3cyclictest33-21ksoftirqd/211:06:142
2564992014,3cyclictest31504-21sh13:46:312
2564992014,3cyclictest31504-21sh13:46:312
2564992014,3cyclictest30537-21sh14:51:102
2564992014,3cyclictest1733-21cpuspeed_turbos14:21:542
2564992013,4cyclictest12312-21sh13:59:052
256499201,2cyclictest0-21swapper/212:53:352
256499201,2cyclictest0-21swapper/211:59:102
256499201,17cyclictest0-21swapper/211:53:142
2554992015,3cyclictest9-21ksoftirqd/012:22:250
2554992014,3cyclictest9-21ksoftirqd/010:22:440
255499201,3cyclictest22537-21snmp_o5powerctl11:57:020
2554992013,4cyclictest3726-21sh12:11:530
2554992013,4cyclictest28322-21diskmemload14:56:560
255499201,2cyclictest0-21swapper/010:33:200
255499201,17cyclictest0-21swapper/014:23:490
255499201,16cyclictest17302-21apt-get13:31:520
2564991912,4cyclictest9708-21sed10:51:552
2554991914,3cyclictest9-21ksoftirqd/014:27:090
2554991914,3cyclictest11423-21fschecks_time11:46:530
2554991913,3cyclictest28322-21diskmemload13:20:440
2554991913,3cyclictest28322-21diskmemload12:41:510
2554991913,3cyclictest17358-21missed_timers11:06:560
2554991912,4cyclictest6884-21irqrtprio11:41:550
2554991912,4cyclictest32537-21expr12:07:050
2554991912,4cyclictest31617-21fschecks_count14:51:580
2554991912,4cyclictest19577-21tr14:06:560
2564991812,3cyclictest23146-21hddtemp_smartct10:11:512
2564991812,3cyclictest23146-21hddtemp_smartct10:11:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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