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2025-12-03 - 22:11
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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 Wed Dec 03, 2025 12:45:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1384923260,2sleep211735-21kworker/u8:3607:10:002
1354122720,2sleep30-21swapper/307:06:153
1375622590,1sleep113599-21kworker/u8:207:08:581
1391398225213,8cyclictest25121-21kworker/u8:2209:11:471
1391398225213,8cyclictest25121-21kworker/u8:2209:11:461
1391198213207,3cyclictest1050ksoftirqd/009:11:460
1391198213207,3cyclictest1050ksoftirqd/009:11:460
1391498174165,6cyclictest26974-21kworker/u8:2709:11:472
1391498174165,6cyclictest26974-21kworker/u8:2709:11:462
1391998134125,6cyclictest25120-21kworker/u8:2109:11:463
1391998134125,6cyclictest25120-21kworker/u8:2109:11:463
13913987568,4cyclictest24572-21kworker/u8:1611:26:561
13913987568,4cyclictest19693-21kworker/u8:2807:32:391
13911987462,9cyclictest10-21ksoftirqd/007:32:390
13911987161,7cyclictest10-21ksoftirqd/011:26:560
220482630,3sleep219701-21kworker/u8:3607:30:172
13913986256,4cyclictest7760-21kworker/u8:5408:31:541
13911986251,8cyclictest10-21ksoftirqd/008:31:540
13911985545,7cyclictest10-21ksoftirqd/011:06:270
13911985545,7cyclictest10-21ksoftirqd/011:06:270
91692480,3sleep19141-21ssh11:50:591
13913984842,4cyclictest2893-21kworker/u8:910:41:531
13911984737,7cyclictest10-21ksoftirqd/010:41:530
128602450,2sleep30-21swapper/309:45:293
20782440,16sleep225-21ksoftirqd/208:01:292
20782440,16sleep225-21ksoftirqd/208:01:292
34292390,1sleep10-21swapper/110:34:291
1391498381,3cyclictest121rcu_preempt10:25:142
60252360,10sleep26026-21cat09:30:402
60252360,10sleep26026-21cat09:30:392
13913983628,4cyclictest4009-21kworker/u8:2708:22:371
13911983627,6cyclictest10-21ksoftirqd/008:25:160
103992350,15sleep331-21ksoftirqd/311:55:123
13911983422,9cyclictest10-21ksoftirqd/008:22:370
97032310,3sleep10-21swapper/110:45:431
284782310,4sleep1191ksoftirqd/107:45:401
274402310,4sleep127438-21ntpq10:15:301
257072310,3sleep225206-21apt-get11:20:072
255692310,7sleep331-21ksoftirqd/310:11:033
155872310,2chrt15581-21ssh09:50:411
13922310,5sleep11397-21cat08:00:311
13922310,5sleep11397-21cat08:00:311
13913983116,4cyclictest19-21ksoftirqd/108:35:441
13913983116,4cyclictest19-21ksoftirqd/108:35:431
13911983123,6cyclictest10-21ksoftirqd/009:30:150
13911983123,6cyclictest10-21ksoftirqd/009:30:150
26212300,2sleep20-21swapper/208:05:152
13913983023,4cyclictest16135-21kworker/u8:2409:56:501
13913983015,4cyclictest19-21ksoftirqd/110:50:401
196832290,2sleep20-21swapper/212:14:532
1391998291,9cyclictest144672basename07:10:323
1391998291,4cyclictest121rcu_preempt09:20:163
1391998291,4cyclictest121rcu_preempt09:20:153
13911982922,5cyclictest10-21ksoftirqd/008:40:140
13911982922,4cyclictest111rcuc/011:30:170
121642290,2sleep10-21swapper/109:45:031
100372290,2sleep20-21swapper/209:40:322
90302280,2sleep27813-21kworker/u8:210:45:232
257912280,2sleep10-21swapper/110:12:171
238872280,1sleep121566-21kworker/u8:5507:35:191
1391498284,4cyclictest25-21ksoftirqd/209:54:142
1391498284,3cyclictest121rcu_preempt11:40:162
13913982821,4cyclictest17741-21kworker/u8:1208:47:111
13911982818,8cyclictest10-21ksoftirqd/009:56:490
122122280,2sleep20-21swapper/209:45:112
66102270,6sleep119-21ksoftirqd/109:33:251
66102270,6sleep119-21ksoftirqd/109:33:251
40842270,2sleep10-21swapper/108:08:191
310792270,10sleep1121rcu_preempt12:37:161
300012270,3sleep213908-21cyclictest09:15:122
300012270,3sleep213908-21cyclictest09:15:122
240962270,2sleep10-21swapper/112:23:211
216212270,2sleep10-21swapper/112:17:381
212392270,1sleep20-21swapper/210:03:252
208452270,5sleep1191ksoftirqd/110:01:141
18592270,2sleep11858-21ssh11:36:231
156452270,5sleep2251ksoftirqd/207:11:222
1391498274,4cyclictest121rcu_preempt09:00:362
1391498274,4cyclictest121rcu_preempt09:00:352
1391498272,4cyclictest121rcu_preempt11:25:192
1391398271,4cyclictest121rcu_preempt10:35:141
13911982720,4cyclictest10-21ksoftirqd/008:00:410
13911982720,4cyclictest10-21ksoftirqd/008:00:400
110772270,6sleep2121rcu_preempt10:50:112
99552260,2sleep20-21swapper/211:54:022
89372260,2sleep331561-21kworker/u8:809:38:043
85792260,15sleep10-21swapper/109:36:141
58482260,1sleep14009-21kworker/u8:2708:12:211
56052260,6sleep156011telnet11:45:201
3472260,14sleep330793-21kworker/u8:2907:59:213
326532260,14sleep230793-21kworker/u8:2907:57:152
316702260,1sleep131566-21kworker/u8:1209:17:281
316702260,1sleep131566-21kworker/u8:1209:17:271
29332260,2sleep20-21swapper/210:31:572
245682260,15sleep3301rcuc/307:35:333
232962260,5sleep123295-21ssh10:06:341
232942260,1sleep27739-21kworker/u8:3308:57:192
187022260,2sleep20-21swapper/209:57:422
178742260,1sleep115096-21kworker/u8:1711:04:171
178742260,1sleep115096-21kworker/u8:1711:04:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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