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2026-03-12 - 22:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rackaslot8.osadl.org (updated Thu Mar 12, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139512280253,17sleep20-21swapper/207:07:322
138092276249,18sleep10-21swapper/107:05:421
141012272241,20sleep00-21swapper/007:09:270
140082254226,18sleep30-21swapper/307:08:173
287902890,0sleep00-21swapper/009:43:090
258082650,0sleep20-21swapper/211:56:502
58442630,0sleep00-21swapper/011:45:100
97782610,1sleep20-21swapper/210:10:152
318142610,0sleep20-21swapper/210:42:512
321152600,1sleep30-21swapper/311:02:183
137992590,0sleep00-21swapper/009:34:290
138852560,0sleep20-21swapper/209:15:082
67862540,0sleep20-21swapper/210:27:442
53232190,0sleep10-21swapper/109:48:361
198872150,0sleep00-21swapper/011:14:520
1425099140,11cyclictest26185-21ssh09:21:532
1425099140,11cyclictest19897-21sed08:30:112
1425099140,11cyclictest19449-21ssh10:55:062
1425099140,11cyclictest13657-21ssh10:51:032
1425099140,11cyclictest10118-21ssh09:31:382
1425099140,10cyclictest9909-21ssh10:49:352
1425099140,10cyclictest23243-21ssh11:16:022
323652130,0sleep30-21swapper/310:43:153
1425099130,9cyclictest4519-21ssh09:47:592
1425099130,9cyclictest16189-21ssh11:50:462
1425099130,9cyclictest14444-21sh11:30:192
1425099130,9cyclictest12191-21ssh11:49:052
1425099130,8cyclictest1046-21ssh12:20:372
1425099130,8cyclictest1046-21ssh12:20:372
1425099130,11cyclictest29401-21ssh10:21:502
1425099130,11cyclictest29401-21ssh10:21:502
1425099130,11cyclictest23427-21ssh10:18:392
1425099130,11cyclictest16852-21chrt10:34:062
1425099130,10cyclictest9301-21ssh11:08:062
1425099130,10cyclictest7959-21grep08:05:132
1425099130,10cyclictest3919-21ssh10:06:342
1425099130,10cyclictest31184-21ssh09:45:002
1425099130,10cyclictest3004-21ssh09:27:332
1425099130,10cyclictest26222-21ssh12:16:252
1425099130,10cyclictest21507-21ssh10:36:172
1425099130,10cyclictest20526-21ssh12:32:512
1425099130,10cyclictest18937-21ssh09:56:102
1425099130,10cyclictest18833-21ssh11:14:032
1425099130,10cyclictest17002-21ssh12:10:462
1425099130,10cyclictest11794-21ssh09:13:442
1425099130,10cyclictest10164-21ssh09:50:542
203472120,0sleep00-21swapper/009:18:510
1425099121,7cyclictest0-21swapper/208:54:112
1425099120,9cyclictest9671-11brltty09:02:552
1425099120,9cyclictest9637-21ssh12:25:502
1425099120,9cyclictest32608-21runrttasks08:59:222
1425099120,9cyclictest23565-21ssh12:35:022
1425099120,9cyclictest11780-21ssh11:29:232
1425099120,8cyclictest30601-21chrt07:42:312
1425099120,8cyclictest28833-21sh11:20:082
1425099120,8cyclictest27009-21expr08:45:172
1425099120,8cyclictest19527-21chrt07:20:062
1425099120,7cyclictest7431-21awk12:05:172
1425099120,7cyclictest30629-21ssh11:01:092
1425099120,7cyclictest21195-21ssh11:35:042
1425099120,7cyclictest14772-21ssh09:35:022
1425099120,10cyclictest32765-21ssh11:41:222
1425099120,10cyclictest26853-21ssh10:00:472
1425099110,8cyclictest4796-21seq09:07:172
1425099110,8cyclictest2590-21taskset07:52:022
1425099110,8cyclictest23342-21chrt08:38:292
1425099110,8cyclictest19133-21chrt07:18:262
1425099110,8cyclictest16206-21chrt07:12:242
1425099110,8cyclictest10050-21taskset08:10:062
1425099110,7cyclictest881-21ssh12:01:132
1425099110,7cyclictest6329-21awk08:00:142
1425099110,7cyclictest32366-21find07:45:182
1425099110,7cyclictest28458-21taskset07:38:452
1425099110,7cyclictest25708-21cron08:45:002
1425499107,3cyclictest21786-21apt-get07:25:133
1425099100,7cyclictest5164-21chrt07:57:412
1425099100,7cyclictest13985-21taskset08:16:372
1425099100,6cyclictest16243-21taskset08:21:442
1425099100,6cyclictest16243-21taskset08:21:432
142549993,4cyclictest34-21ksoftirqd/312:16:403
142549993,4cyclictest34-21ksoftirqd/311:11:403
142549993,4cyclictest34-21ksoftirqd/310:06:583
142549993,4cyclictest34-21ksoftirqd/309:58:233
142549993,4cyclictest34-21ksoftirqd/309:33:363
142549992,5cyclictest34-21ksoftirqd/311:17:513
142549992,5cyclictest0-21swapper/311:59:443
142549992,5cyclictest0-21swapper/311:51:553
142549992,4cyclictest34-21ksoftirqd/310:35:553
142549991,2cyclictest5026-21diskmemload10:27:263
142549990,6cyclictest25606-21rm10:58:413
142509990,8cyclictest0-21swapper/207:30:022
142509990,8cyclictest0-21swapper/207:25:132
3926280,0sleep10-21swapper/109:05:141
142549987,1cyclictest331rcuc/312:01:563
142549987,0cyclictest21376-21apt-get11:35:123
142549987,0cyclictest10084-21apt-get08:10:103
142549986,1cyclictest6910-21fw_packets12:05:133
142549985,2cyclictest4030-21ssh11:05:123
142549984,3cyclictest3584-21memory10:45:173
142549984,3cyclictest24302-21apt-get07:30:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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