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2026-04-17 - 15:55
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Fri Apr 17, 2026 12:45:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2011123730,1sleep119245-21kworker/u8:512:30:131
3226723550,2sleep20-21swapper/211:45:152
3130223460,2sleep10-21swapper/107:45:271
1004723390,7sleep28581-1kworker/u9:209:45:122
2528523370,2sleep20-21swapper/210:17:352
1007023250,2sleep10-21swapper/109:45:191
1361423230,2sleep10-21swapper/108:30:371
3229323180,2sleep132292-21ssh11:45:221
844423150,2sleep10-21swapper/112:04:211
698823130,2sleep10-21swapper/108:10:281
922623110,2sleep10-21swapper/109:43:301
1597223080,2sleep20-21swapper/209:57:182
239523040,1sleep22189-21kworker/u8:1009:28:032
2082823040,2sleep220824-21ssh12:30:392
2053723020,2sleep20-21swapper/207:14:492
1595622990,6sleep215680-21kworker/u8:2608:40:002
1855522980,2sleep10-21swapper/110:02:451
375522970,2sleep10-21swapper/109:30:311
2192522960,2sleep10-21swapper/108:55:381
1992122940,2sleep119915-21ssh10:05:311
1992122940,2sleep119915-21ssh10:05:311
2226122910,2sleep10-21swapper/110:10:331
1418722910,1sleep111283-21kworker/u8:409:54:321
2822522900,1sleep127702-21kworker/u8:909:15:011
2822522900,1sleep127702-21kworker/u8:909:15:011
430822890,1sleep22896-21kworker/u8:108:02:002
2451022880,2sleep124503-21ssh10:15:361
1396322860,2sleep20-21swapper/212:15:282
1396322860,2sleep20-21swapper/212:15:282
178022840,2sleep117030-1kworker/u9:407:55:191
1020122830,2sleep20-21swapper/212:06:552
1020122830,2sleep20-21swapper/212:06:542
2812922820,1sleep122063-21kworker/u8:1311:35:291
1834722790,2sleep10-21swapper/112:25:241
1574322790,1sleep111284-21kworker/u8:509:56:091
2932322780,2sleep129315-21ssh09:15:351
2128022780,2sleep20-21swapper/207:15:262
2128022780,2sleep20-21swapper/207:15:252
3005122770,3sleep130050-21diskstats11:40:181
1739522770,2sleep117006-21kworker/u8:812:24:061
2343322750,1sleep20-21swapper/212:35:412
1032322740,1sleep19414-21kworker/u8:008:20:331
700422730,2sleep20-21swapper/208:10:282
2316622730,1sleep121943-21kworker/u8:2407:20:351
1345622730,2sleep20-21swapper/209:51:072
1144022720,1sleep29414-21kworker/u8:008:25:162
2456422710,2sleep20-21swapper/211:27:532
803522700,2sleep28034-21ssh12:02:242
482022690,2sleep20-21swapper/211:55:222
2671522680,1sleep222062-21kworker/u8:1211:32:282
535322670,5sleep225-21ksoftirqd/208:05:262
336522670,2sleep20-21swapper/210:40:292
2681722660,1sleep225202-21kworker/u8:510:20:352
231222660,6sleep12311-21ssh10:39:231
401622650,2sleep10-21swapper/111:54:441
2150122650,3sleep119-21ksoftirqd/111:20:371
1795022650,1sleep215393-21kworker/u8:911:13:502
749822640,1sleep26300-21kworker/u8:710:50:232
1689822640,2sleep10-21swapper/111:10:311
670422630,2sleep10-21swapper/110:48:491
1179522630,1sleep11259-21kworker/u8:412:10:361
1176122630,1sleep110833-21kworker/u8:411:00:141
618322620,1sleep122062-21kworker/u8:1211:59:261
1406422620,1sleep17868-21kworker/u8:312:15:351
1406422620,1sleep17868-21kworker/u8:312:15:341
1265822620,2sleep20-21swapper/212:13:052
2412822610,1sleep122063-21kworker/u8:1311:25:481
2347622610,1sleep122430-21kworker/u8:309:00:261
210122610,2sleep22095-21awk07:55:292
1858122610,3sleep218580-21ntpq12:25:362
1133222610,1sleep17563-21kworker/u8:208:25:151
1003022610,2sleep210026-21ssh10:55:252
1526022600,7sleep2241rcuc/211:06:422
354122590,1sleep12896-21kworker/u8:108:00:231
2803922590,2sleep10-21swapper/107:35:311
2803922590,2sleep10-21swapper/107:35:301
2670122590,5sleep27637-21kworker/2:109:10:242
2670122590,5sleep27637-21kworker/2:109:10:242
216022590,2sleep12162-21rm09:26:531
2711122580,2sleep20-21swapper/207:34:272
1709922580,1sleep115671-21kworker/u8:1708:40:391
1203722580,2sleep20-21swapper/211:00:202
1018722580,2sleep20-21swapper/208:20:252
841622570,1sleep27563-21kworker/u8:208:15:242
3196822570,1sleep218577-21kworker/u8:210:32:052
2892522570,4sleep228917-21ssh10:25:252
2073722570,2sleep27637-21kworker/2:110:07:242
2073722570,2sleep27637-21kworker/2:110:07:242
532422560,1sleep12192-21kworker/u8:1409:35:131
3131022560,2sleep10-21swapper/110:30:351
2707522560,2sleep10-21swapper/107:34:021
2046122560,4sleep115393-21kworker/u8:911:19:561
2006222560,2sleep20-21swapper/211:18:002
1998722560,1sleep118957-21kworker/u8:1108:50:241
1423522560,2sleep114213-21ssh11:05:181
130322560,2sleep20-21swapper/207:55:012
865922550,2sleep10-21swapper/108:15:311
640122550,2sleep20-21swapper/209:35:432
3100422550,2sleep20-21swapper/211:41:212
2991922550,2sleep10-21swapper/110:28:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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