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2025-12-22 - 19:43
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackfslot4.osadl.org (updated Mon Dec 22, 2025 12:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
581024170,1sleep13484-21kworker/u8:108:25:131
744423470,8sleep26168-21kworker/u8:510:45:232
744423470,8sleep26168-21kworker/u8:510:45:222
2560723450,2sleep10-21swapper/111:20:281
2805523350,2sleep128056-21/usr/sbin/munin09:20:271
2923023220,1sleep226586-21kworker/u8:209:21:192
2138423160,1sleep220752-21kworker/u8:612:20:002
3167523130,1sleep130653-21kworker/u8:510:30:181
917823120,1sleep20-21swapper/209:45:362
1136823070,3sleep211148-21latency_hist08:40:012
2185023060,2sleep10-21swapper/111:14:331
2589723050,1sleep120770-21kworker/u8:2007:50:341
3121523030,1sleep230653-21kworker/u8:510:30:022
1207123030,2sleep212064-21apt-get07:15:182
1207123030,2sleep212064-21apt-get07:15:182
1216523000,1sleep28710-21kworker/u8:1110:55:162
2064822970,2sleep20-21swapper/209:05:142
2064822970,2sleep20-21swapper/209:05:142
2818322930,3sleep228169-21ssh11:25:322
849722920,2sleep20-21swapper/208:30:332
849722920,2sleep20-21swapper/208:30:322
2526422910,3sleep14372-21kworker/u8:912:25:371
3216922870,1sleep126351-21kworker/u8:611:34:361
2212022870,1sleep118996-21kworker/u8:407:40:291
2765922850,1sleep223327-21kworker/u8:812:30:402
2526822850,2sleep125183-21ssh09:15:191
1866622850,1sleep210004-21kworker/u8:010:05:222
789122820,2sleep10-21swapper/108:30:191
789122820,2sleep10-21swapper/108:30:191
2252622820,1sleep220752-21kworker/u8:612:20:282
3199122800,1sleep230652-21kworker/u8:210:30:312
2034522800,1sleep119003-21kworker/u8:1207:35:351
193322800,1sleep131947-21kworker/u8:409:31:281
193322800,1sleep131947-21kworker/u8:409:31:281
1394822800,2sleep20-21swapper/207:20:162
2998822790,2sleep10-21swapper/112:35:271
3119222780,1sleep130651-21kworker/u8:110:30:001
76622770,2sleep20-21swapper/208:10:262
2700622770,3sleep127005-21ssh10:20:351
3126822760,6sleep231267-21ssh09:25:382
2981822750,2sleep10-21swapper/108:00:411
2879722750,2sleep10-21swapper/112:34:261
2497122750,2sleep24372-21kworker/u8:912:25:272
2025822750,1sleep219003-21kworker/u8:1207:35:282
1676922740,2sleep116761-21ssh10:00:351
1260522740,1sleep22130-21kworker/u8:909:53:092
1918622730,1sleep114865-21kworker/u8:410:05:291
1292122730,2sleep10-21swapper/109:54:361
2475122720,1sleep122523-21kworker/u8:110:15:551
1611522710,1sleep214865-21kworker/u8:410:00:212
1066022710,3sleep210658-21ssh10:50:382
1791122700,3sleep114630-21kworker/u8:308:55:411
1589522700,3sleep225-21ksoftirqd/208:50:312
1492822700,2sleep232615-1kworker/u9:111:00:182
612022680,2sleep16114-21ssh11:45:341
1411222680,3sleep114111-21ssh12:00:571
659322670,1sleep24893-21kworker/u8:009:40:342
1669722670,2sleep116698-21sh08:55:001
1177922670,1sleep126351-21kworker/u8:611:56:471
1025122670,2sleep210250-21ssh11:55:142
98722660,2sleep20-21swapper/211:35:342
2367622660,1sleep222522-21kworker/u8:010:15:192
1990722660,2sleep119866-21ssh12:15:291
1795822660,1sleep215671-21kworker/u8:112:10:552
2314722650,1sleep121226-21kworker/u8:1411:15:331
2314722650,1sleep121226-21kworker/u8:1411:15:331
1656822650,2sleep10-21swapper/107:25:301
2760522640,1sleep222654-21kworker/u8:3307:55:262
270322640,4sleep119-21ksoftirqd/110:35:321
2469222640,2sleep20-21swapper/209:14:472
2426822640,2sleep20-21swapper/211:19:002
2426822640,2sleep20-21swapper/211:19:002
2146522640,1sleep120120-21kworker/u8:509:05:301
2146522640,1sleep120120-21kworker/u8:509:05:291
1490922640,1sleep113431-21kworker/u8:1207:20:391
1664122630,1sleep213426-21kworker/u8:707:25:352
1402922630,1sleep212772-21kworker/u8:808:45:282
1349322630,5sleep119-21ksoftirqd/110:55:551
572622620,2sleep10-21swapper/109:40:101
457022620,2sleep20-21swapper/209:35:562
1270122620,1sleep110885-21kworker/u8:008:41:211
1119722620,1sleep110885-21kworker/u8:008:40:001
2288222610,1sleep222640-21kworker/u8:1107:44:402
1886222610,1sleep115671-21kworker/u8:112:15:001
1745422610,1sleep111248-21kworker/u8:011:05:201
1628822610,2sleep20-21swapper/212:09:512
1107922610,1sleep16168-21kworker/u8:510:51:241
485622600,1sleep13491-21kworker/u8:908:20:381
3085922600,1sleep228162-21kworker/u8:412:37:212
1422422600,1sleep110004-21kworker/u8:009:55:361
1391122600,2sleep20-21swapper/209:55:252
364022590,1sleep126351-21kworker/u8:611:40:351
364022590,1sleep126351-21kworker/u8:611:40:341
652122580,2sleep20-21swapper/211:45:432
3153122580,6sleep227287-1kworker/u9:111:31:352
290922580,1sleep228195-21kworker/u8:608:15:342
290922580,1sleep228195-21kworker/u8:608:15:332
2774422580,1sleep122654-21kworker/u8:3307:55:371
2351422580,1sleep122654-21kworker/u8:3307:45:241
1284222580,1sleep14145-21kworker/u8:1807:15:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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