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2026-05-28 - 23:43
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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 Thu May 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911670,4ptp4l401ktimersoftd/308:39:053
1289521610,4sleep32490599cyclictest13:54:443
36352660,1sleep00-21swapper/013:45:380
321742650,2sleep332177-21mailstats13:07:553
106891650,1ptp4l401ktimersoftd/313:03:443
20082620,5sleep32010-21fschecks_count10:07:453
106891620,1ptp4l401ktimersoftd/310:27:483
136032610,1sleep00-21swapper/012:16:290
106891610,1ptp4l401ktimersoftd/308:45:583
199702600,2sleep10-21swapper/111:48:361
111822580,4sleep311180-21ssh12:12:553
106891580,1ptp4l401ktimersoftd/314:09:553
106891570,1ptp4l401ktimersoftd/311:32:003
235902560,4sleep32490599cyclictest12:59:163
235902560,4sleep32490599cyclictest12:59:163
303842540,2sleep10-21swapper/109:57:471
2489199536,17cyclictest18242-21diskmemload12:15:291
2489199534,20cyclictest0-21swapper/113:54:561
249712520,4sleep02488799cyclictest13:01:380
249712520,4sleep02488799cyclictest13:01:380
54202510,2sleep30-21swapper/311:33:363
2489199517,18cyclictest24761-21phc2sys10:47:501
2489199507,12cyclictest3251-21sed10:07:571
106891500,1ptp4l401ktimersoftd/313:14:403
2489199497,11cyclictest320-21latency_hist08:57:271
268792480,2sleep00-21swapper/009:52:280
2489199476,18cyclictest12779-21switchtime10:27:561
2489199473,16cyclictest0-21swapper/110:53:261
2489199466,18cyclictest1421-21ssh12:37:361
106891460,2ptp4l27286-21kworker/3:012:53:133
106891440,1ptp4l401ktimersoftd/311:16:123
24897994332,5cyclictest33-21ksoftirqd/212:37:432
2489199427,8cyclictest9190-21snmp_o5powerctl09:12:531
2489199416,12cyclictest22719-21cpu11:52:431
24891994124,8cyclictest998-21apt-get10:57:401
2489199409,17cyclictest9283-21/usr/sbin/munin11:37:511
2489199409,15cyclictest6677-21users12:07:591
106891400,1ptp4l401ktimersoftd/313:46:103
24891993910,12cyclictest12191-21/usr/sbin/munin11:07:511
240742397,14sleep20-21swapper/208:37:532
106891390,1ptp4l401ktimersoftd/311:00:283
2489199389,17cyclictest18242-21diskmemload14:05:211
2489199389,13cyclictest5169-21awk09:07:261
2489199386,8cyclictest22473-21snmp_o5powerctl12:57:561
2489199386,8cyclictest22473-21snmp_o5powerctl12:57:561
24891993810,15cyclictest1464-21snmp_o5powerctl12:02:571
106891380,1ptp4l401ktimersoftd/313:23:203
106891380,1ptp4l401ktimersoftd/312:47:183
106891380,1ptp4l401ktimersoftd/312:02:563
106891380,1ptp4l401ktimersoftd/311:40:253
106891380,1ptp4l401ktimersoftd/311:09:173
106891380,1ptp4l401ktimersoftd/311:04:403
106891380,1ptp4l401ktimersoftd/310:56:343
106891380,1ptp4l401ktimersoftd/308:47:543
2489199379,15cyclictest27113-21phc2sys-jitter13:02:521
2489199379,12cyclictest6001-21awk09:07:421
2489199378,14cyclictest5836-21ssh11:02:401
24891993722,9cyclictest27821-21apt-get13:37:441
24891993722,7cyclictest30495-21apt-get11:27:411
106891370,1ptp4l401ktimersoftd/314:00:123
106891370,1ptp4l401ktimersoftd/313:51:503
106891370,1ptp4l401ktimersoftd/313:35:283
106891370,1ptp4l401ktimersoftd/313:19:013
106891370,1ptp4l401ktimersoftd/312:28:053
106891370,1ptp4l401ktimersoftd/312:19:053
106891370,1ptp4l401ktimersoftd/311:24:363
106891370,1ptp4l401ktimersoftd/311:20:083
106891370,1ptp4l401ktimersoftd/310:44:423
106891370,0ptp4l401ktimersoftd/314:05:463
78492360,2sleep00-21swapper/011:37:310
50872360,4sleep02488799cyclictest10:12:480
106891360,1ptp4l401ktimersoftd/312:51:163
106891360,1ptp4l401ktimersoftd/312:24:223
106891360,1ptp4l401ktimersoftd/312:02:013
106891360,0ptp4l401ktimersoftd/313:38:533
106891360,0ptp4l401ktimersoftd/311:53:223
106891360,0ptp4l401ktimersoftd/311:50:293
106891360,0ptp4l401ktimersoftd/310:51:363
2489199358,14cyclictest28023-21ssh12:31:131
2489199357,14cyclictest15139-21ssh12:51:291
24891993512,19cyclictest12855-21fschecks_count09:22:421
24891993510,22cyclictest18242-21diskmemload13:33:471
106891350,1ptp4l401ktimersoftd/313:31:323
106891350,1ptp4l401ktimersoftd/311:45:583
24897993427,4cyclictest33-21ksoftirqd/213:27:432
2489199347,12cyclictest17092-21apt-config09:32:271
24891993422,6cyclictest27045-21apt-get09:52:401
24891993422,6cyclictest25588-21apt-get11:22:411
24891993420,6cyclictest3199-21apt-get11:32:411
106891340,1ptp4l401ktimersoftd/312:41:003
106891340,1ptp4l401ktimersoftd/309:12:473
24897993327,3cyclictest33-21ksoftirqd/212:52:322
24897993326,4cyclictest33-21ksoftirqd/211:02:412
2489199339,9cyclictest5434-21df_inode13:47:471
2489199339,8cyclictest8539-21munin-run10:22:291
2489199337,15cyclictest23926-21munin-run12:27:321
2489199334,12cyclictest0-21swapper/108:42:521
24891993321,6cyclictest16179-21apt-get12:52:441
2488799331,8cyclictest13176-21diskstats11:42:440
24905993226,3cyclictest41-21ksoftirqd/308:57:273
2489799322,6cyclictest121rcu_preempt13:01:102
2489799322,6cyclictest121rcu_preempt13:01:102
24897993223,5cyclictest33-21ksoftirqd/212:12:412
2489199326,13cyclictest29368-21ssh12:32:441
2489199324,13cyclictest0-21swapper/108:47:301
24891993217,11cyclictest0-21swapper/111:12:421
24891993214,13cyclictest0-21swapper/112:17:431
106891320,9ptp4l401ktimersoftd/309:09:463
106891320,1ptp4l401ktimersoftd/312:08:273
106891320,1ptp4l401ktimersoftd/310:32:533
106891320,1ptp4l401ktimersoftd/309:43:333
106891320,1ptp4l401ktimersoftd/309:43:333
106891320,10ptp4l401ktimersoftd/309:06:303
106891320,0ptp4l401ktimersoftd/310:22:033
24905993124,4cyclictest41-21ksoftirqd/309:47:433
24897993126,3cyclictest33-21ksoftirqd/212:47:312
24897993125,3cyclictest33-21ksoftirqd/212:32:472
24891993110,18cyclictest22415-21grep11:17:591
24887993125,3cyclictest9-21ksoftirqd/013:12:320
24897993025,3cyclictest33-21ksoftirqd/213:02:502
24897993024,3cyclictest33-21ksoftirqd/212:27:442
24897993024,3cyclictest33-21ksoftirqd/212:22:492
24897993024,3cyclictest33-21ksoftirqd/211:57:472
24897993024,3cyclictest33-21ksoftirqd/210:47:482
24897993024,3cyclictest33-21ksoftirqd/210:17:482
24897993024,3cyclictest33-21ksoftirqd/209:12:262
24897993023,4cyclictest33-21ksoftirqd/211:07:582
2489199305,10cyclictest0-21swapper/109:42:461
2489199305,10cyclictest0-21swapper/109:42:461
2489199304,12cyclictest0-21swapper/112:02:051
2489199304,10cyclictest0-21swapper/114:07:521
24891993018,6cyclictest32692-21apt-get13:42:441
24891993018,6cyclictest13805-21apt-get10:32:401
210492300,2sleep00-21swapper/010:43:550
24905992923,3cyclictest41-21ksoftirqd/309:37:453
24905992923,3cyclictest41-21ksoftirqd/309:17:403
24897992924,3cyclictest33-21ksoftirqd/209:32:462
24897992923,3cyclictest33-21ksoftirqd/213:37:342
24897992923,3cyclictest33-21ksoftirqd/213:25:292
24897992923,3cyclictest33-21ksoftirqd/212:02:442
24897992923,3cyclictest33-21ksoftirqd/210:52:492
24897992923,3cyclictest33-21ksoftirqd/210:32:292
24897992923,3cyclictest33-21ksoftirqd/209:52:472
24897992923,3cyclictest33-21ksoftirqd/209:27:272
24897992922,4cyclictest33-21ksoftirqd/208:42:552
2489199296,8cyclictest16897-21ssh13:26:381
24891992916,9cyclictest14348-21snmp_o5powerctl11:42:551
24891992911,15cyclictest14823-21rm13:57:421
2488799292,4cyclictest15761-21apt-get11:12:420
24887992924,3cyclictest9-21ksoftirqd/012:27:500
245632295,10sleep00-21swapper/008:39:410
226482296,10sleep10-21swapper/108:37:361
24905992821,4cyclictest41-21ksoftirqd/309:52:473
24897992823,3cyclictest33-21ksoftirqd/213:17:492
24897992823,3cyclictest33-21ksoftirqd/209:57:462
24897992822,4cyclictest33-21ksoftirqd/213:42:512
24897992822,3cyclictest33-21ksoftirqd/213:12:482
24897992822,3cyclictest33-21ksoftirqd/212:12:312
24897992822,3cyclictest33-21ksoftirqd/211:47:492
24897992822,3cyclictest33-21ksoftirqd/211:37:452
24897992822,3cyclictest33-21ksoftirqd/211:22:482
24897992822,3cyclictest33-21ksoftirqd/210:57:472
24897992822,3cyclictest33-21ksoftirqd/208:57:272
24897992817,8cyclictest33-21ksoftirqd/210:42:562
24897992815,4cyclictest33-21ksoftirqd/209:47:432
24897992811,15cyclictest33-21ksoftirqd/211:18:532
2489199282,11cyclictest0-21swapper/113:19:321
24891992815,9cyclictest0-21swapper/110:22:411
24891992811,14cyclictest31316-21rm13:07:491
24891992811,14cyclictest21546-21rm13:31:151
24891992810,15cyclictest5014-21sed13:13:011
24887992822,3cyclictest27410-21unixbench_singl11:22:590
214302280,2sleep00-21swapper/011:51:080
24905992721,4cyclictest41-21ksoftirqd/309:32:283
24897992722,3cyclictest33-21ksoftirqd/214:12:352
24897992722,3cyclictest33-21ksoftirqd/209:12:452
24897992721,4cyclictest33-21ksoftirqd/209:42:452
24897992721,4cyclictest33-21ksoftirqd/209:42:452
24897992721,3cyclictest33-21ksoftirqd/214:07:352
24897992721,3cyclictest33-21ksoftirqd/211:32:302
24897992720,4cyclictest33-21ksoftirqd/212:22:212
24897992717,8cyclictest33-21ksoftirqd/209:17:422
24891992721,3cyclictest25-21ksoftirqd/109:52:281
24891992710,14cyclictest8979-21rm12:44:161
2488799274,14cyclictest30498-21ssh11:27:400
24887992720,4cyclictest9-21ksoftirqd/008:55:520
24897992621,3cyclictest33-21ksoftirqd/213:47:512
24897992621,3cyclictest33-21ksoftirqd/213:42:332
24897992621,3cyclictest33-21ksoftirqd/213:07:552
24897992621,3cyclictest33-21ksoftirqd/210:07:462
24897992621,3cyclictest33-21ksoftirqd/210:02:462
24897992620,3cyclictest33-21ksoftirqd/211:12:572
24897992620,3cyclictest33-21ksoftirqd/210:12:412
2489199262,10cyclictest0-21swapper/110:42:471
24891992614,9cyclictest18819-21awk09:32:501
24891992614,8cyclictest32425-21ps10:02:461
24887992621,3cyclictest9-21ksoftirqd/013:37:330
24887992621,3cyclictest9-21ksoftirqd/012:32:440
24887992621,3cyclictest9-21ksoftirqd/011:02:580
24887992620,3cyclictest9-21ksoftirqd/013:27:490
24887992619,4cyclictest9-21ksoftirqd/010:34:150
24887992615,5cyclictest9-21ksoftirqd/013:37:440
24887992612,11cyclictest29206-21cut14:12:340
106891260,0ptp4l401ktimersoftd/309:58:383
24905992520,3cyclictest41-21ksoftirqd/312:33:303
24905992519,3cyclictest41-21ksoftirqd/310:03:243
24905992519,3cyclictest41-21ksoftirqd/308:57:443
24897992520,3cyclictest33-21ksoftirqd/208:57:442
24897992520,3cyclictest33-21ksoftirqd/208:52:272
24897992518,4cyclictest33-21ksoftirqd/211:36:162
2489799251,22cyclictest20400-21kworker/2:209:07:262
2489199258,13cyclictest0-21swapper/110:37:391
24891992518,4cyclictest25-21ksoftirqd/110:16:181
24891992515,7cyclictest2347-21grep08:57:551
24891992512,10cyclictest12272-21turbostat.cron09:22:271
24887992520,3cyclictest9-21ksoftirqd/013:18:000
24887992520,3cyclictest9-21ksoftirqd/012:17:510
24887992520,3cyclictest9-21ksoftirqd/010:57:400
24887992519,3cyclictest9-21ksoftirqd/014:02:160
24887992519,3cyclictest9-21ksoftirqd/009:24:500
24887992519,3cyclictest14536-21sh13:57:340
24887992518,4cyclictest9-21ksoftirqd/010:24:400
106891250,1ptp4l401ktimersoftd/310:40:453
106891250,1ptp4l401ktimersoftd/310:22:493
24905992419,3cyclictest41-21ksoftirqd/309:32:283
24897992419,3cyclictest33-21ksoftirqd/213:57:542
24897992419,3cyclictest33-21ksoftirqd/213:52:522
24897992419,3cyclictest33-21ksoftirqd/211:52:502
24897992419,3cyclictest33-21ksoftirqd/210:22:442
24897992419,3cyclictest33-21ksoftirqd/209:37:432
24897992418,4cyclictest33-21ksoftirqd/209:27:382
24891992411,9cyclictest0-21swapper/109:37:391
2488799242,3cyclictest121rcu_preempt11:58:400
24887992419,3cyclictest9-21ksoftirqd/013:12:490
24887992419,3cyclictest8527-21cron10:22:290
24887992418,3cyclictest9-21ksoftirqd/009:18:040
24887992418,3cyclictest9-21ksoftirqd/009:02:020
106891240,1ptp4l401ktimersoftd/309:22:383
24887992318,3cyclictest9-21ksoftirqd/012:22:430
24887992318,3cyclictest9-21ksoftirqd/009:36:140
24887992316,4cyclictest9-21ksoftirqd/009:53:490
24887992316,4cyclictest9-21ksoftirqd/009:40:520
106891230,1ptp4l401ktimersoftd/310:12:403
24897992216,3cyclictest33-21ksoftirqd/210:32:392
24897992215,4cyclictest33-21ksoftirqd/210:42:002
24887992217,3cyclictest9-21ksoftirqd/013:03:000
24887992217,3cyclictest9-21ksoftirqd/012:43:110
24887992217,3cyclictest9-21ksoftirqd/011:07:520
24887992216,3cyclictest9-21ksoftirqd/010:10:390
24887992216,3cyclictest9-21ksoftirqd/009:32:270
24897992114,4cyclictest13072-21cstates11:42:432
24887992116,3cyclictest9-21ksoftirqd/014:02:490
24887992116,3cyclictest9-21ksoftirqd/011:52:500
24887992116,3cyclictest9-21ksoftirqd/010:37:510
24887992115,3cyclictest9-21ksoftirqd/008:49:330
24887992115,3cyclictest17644-21sed13:27:330
24887992114,4cyclictest26407-21find08:42:490
24887992114,4cyclictest12200-21sed10:27:470
24887992113,5cyclictest46950irq/100-ens3-Tx12:52:440
195282210,2sleep20-21swapper/212:55:382
24887992015,3cyclictest9-21ksoftirqd/012:37:520
24887992015,3cyclictest9-21ksoftirqd/010:47:450
24887992015,3cyclictest9-21ksoftirqd/010:04:240
24887992014,3cyclictest5377-21/usr/sbin/munin09:07:480
24887992013,4cyclictest18242-21diskmemload12:47:430
24887992013,4cyclictest1371-21mailstats12:02:540
2488799200,18cyclictest0-21swapper/010:52:410
24887991915,2cyclictest9-21ksoftirqd/009:02:440
24887991914,3cyclictest9-21ksoftirqd/010:02:280
24887991913,3cyclictest18242-21diskmemload11:18:290
24887991912,4cyclictest5464-21fschecks_count13:47:480
24887991912,4cyclictest24337-21latency_hist09:47:280
24887991912,4cyclictest24337-21latency_hist09:47:280
24887991912,4cyclictest18242-21diskmemload12:07:500
24887991912,4cyclictest18242-21diskmemload11:39:060
24887991811,4cyclictest8224-21fschecks_time09:12:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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