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2025-11-22 - 16:23
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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
Characteristics of the 792 highest latencies:
System rackcslot2.osadl.org (updated Sat Nov 22, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2391527149,17sleep10-21swapper/107:02:241
228832700,0sleep00-21swapper/009:27:050
2396326949,8sleep00-21swapper/007:02:530
33302660,0sleep00-21swapper/011:08:070
220322650,0sleep10-21swapper/110:08:001
91302640,0sleep10-21swapper/109:52:001
321662630,0sleep10-21swapper/107:26:461
24517993710,0cyclictest0-21swapper/107:48:061
24517993410,23cyclictest0-21swapper/110:06:131
24516993410,24cyclictest0-21swapper/009:15:460
2451699340,2cyclictest101rcu_sched11:16:460
24517993310,22cyclictest0-21swapper/110:37:341
24517993110,4cyclictest0-21swapper/109:57:361
2451699310,30cyclictest1111-21runrttasks12:35:030
24517992910,3cyclictest0-21swapper/111:10:441
2451799280,27cyclictest0-21swapper/110:36:151
24516992810,5cyclictest0-21swapper/011:20:340
2451699280,27cyclictest27939-21kworker/u4:111:29:260
2451699280,1cyclictest0-21swapper/010:03:390
2451699277,19cyclictest0-21swapper/012:25:130
24516992727,0cyclictest0-21swapper/009:43:310
24516992720,2cyclictest23562-21ls12:17:050
24516992710,1cyclictest0-21swapper/008:02:490
24517992619,4cyclictest1978-21apache211:25:151
24517992610,3cyclictest0-21swapper/112:07:341
2451699260,21cyclictest0-21swapper/009:05:170
24517992522,2cyclictest0-21swapper/109:40:561
24517992510,4cyclictest0-21swapper/110:24:531
2451799250,5cyclictest0-21swapper/111:12:301
24516992519,1cyclictest0-21swapper/009:49:140
24516992510,1cyclictest0-21swapper/010:19:030
24517992420,3cyclictest1964-21apache210:17:551
24517992418,4cyclictest1978-21apache212:00:191
24517992410,7cyclictest0-21swapper/109:15:351
24517992410,6cyclictest0-21swapper/109:50:041
24517992410,2cyclictest0-21swapper/110:46:581
2451799240,1cyclictest0-21swapper/112:14:521
24516992417,6cyclictest1978-21apache212:01:510
2451699240,23cyclictest0-21swapper/010:01:050
2451699240,1cyclictest12816-21sshd10:38:270
2451699240,18cyclictest6014-21diskmemload11:49:370
629522310,2sleep10-21swapper/110:30:411
2451799237,15cyclictest0-21swapper/111:33:081
24517992321,1cyclictest20167-21ssh11:30:521
24517992317,6cyclictest1978-21apache212:17:011
24517992310,7cyclictest97750irq/106-eth1-rx09:09:301
24517992310,6cyclictest0-21swapper/108:54:041
2451699235,14cyclictest0-21swapper/010:27:050
24516992321,1cyclictest817-21apache207:37:510
24516992314,6cyclictest1964-21apache210:44:530
24516992310,6cyclictest0-21swapper/010:57:030
2451699230,20cyclictest0-21swapper/008:27:060
2451799223,15cyclictest21868-21apache_processe09:26:571
2451799222,2cyclictest0-21swapper/112:27:111
24517992221,1cyclictest0-21swapper/108:02:051
24517992219,3cyclictest1964-21apache211:50:031
24517992218,2cyclictest1964-21apache207:59:561
24517992213,7cyclictest15001-21ssh12:06:451
24517992210,9cyclictest0-21swapper/111:37:041
24517992210,0cyclictest0-21swapper/108:29:411
2451799220,19cyclictest6014-21diskmemload12:34:521
24516992220,2cyclictest1964-21apache210:47:460
24516992218,3cyclictest0-21swapper/011:02:580
24516992218,1cyclictest0-21swapper/010:15:250
24516992210,4cyclictest0-21swapper/007:12:030
24516992210,0cyclictest0-21swapper/009:07:240
299722110,0sleep10-21swapper/109:43:091
2451799216,14cyclictest0-21swapper/107:06:591
2451799213,9cyclictest30829-21apache_processe08:46:571
24517992116,3cyclictest6920-21apache207:28:511
24517992116,3cyclictest6920-21apache207:28:511
2451799211,1cyclictest0-21swapper/111:00:361
24517992111,7cyclictest6014-21diskmemload11:03:301
24517992110,2cyclictest0-21swapper/111:42:031
2451799210,2cyclictest0-21swapper/109:34:511
2451699211,19cyclictest0-21swapper/012:31:430
24516992111,7cyclictest22800-21kworker/u4:011:40:330
24516992110,5cyclictest0-21swapper/007:21:590
2889122010,2sleep10-21swapper/108:41:501
2451799206,9cyclictest0-21swapper/107:32:001
2451799203,1cyclictest0-21swapper/110:12:301
2451799202,4cyclictest0-21swapper/110:44:001
24517992012,7cyclictest0-21swapper/109:18:341
2451799201,1cyclictest0-21swapper/111:17:351
24517992010,6cyclictest0-21swapper/109:22:411
24517992010,6cyclictest0-21swapper/107:52:031
24517992010,4cyclictest0-21swapper/112:22:081
24517992010,3cyclictest0-21swapper/110:53:451
2451699207,5cyclictest636-21nscd10:55:520
2451699205,10cyclictest6014-21diskmemload10:06:580
2451699204,7cyclictest636-21nscd10:34:090
2451699204,10cyclictest0-21swapper/008:06:580
2451699203,8cyclictest0-21swapper/012:01:280
2451699202,8cyclictest0-21swapper/011:22:060
24516992010,5cyclictest0-21swapper/009:21:580
24516992010,4cyclictest0-21swapper/007:42:300
952821910,0sleep00-21swapper/007:51:390
2451799195,8cyclictest0-21swapper/111:55:051
2451799193,12cyclictest0-21swapper/107:42:071
24517991910,4cyclictest0-21swapper/108:32:031
2451699198,6cyclictest0-21swapper/007:32:000
2451699194,6cyclictest10336-21ls07:52:030
2451699194,12cyclictest0-21swapper/008:52:060
2451699193,7cyclictest0-21swapper/007:17:010
2451699191,4cyclictest0-21swapper/011:42:110
24516991910,7cyclictest0-21swapper/009:34:520
24516991910,5cyclictest636-21nscd09:37:320
24516991910,4cyclictest0-21swapper/011:32:410
2451699190,7cyclictest0-21swapper/009:18:490
2281521910,0sleep00-21swapper/008:25:100
2451799185,6cyclictest0-21swapper/108:21:591
24517991810,5cyclictest0-21swapper/108:17:071
2451699185,7cyclictest0-21swapper/007:07:070
24516991812,2cyclictest0-21swapper/009:52:060
24516991810,6cyclictest97750irq/106-eth1-rx08:46:570
24516991810,6cyclictest1964-21apache211:55:410
24516991810,4cyclictest0-21swapper/007:57:030
2451699180,7cyclictest0-21swapper/012:12:030
2451799173,9cyclictest0-21swapper/108:07:011
2451799172,11cyclictest0-21swapper/107:17:081
2451799171,3cyclictest27208-21df_inode08:36:591
24517991710,3cyclictest0-21swapper/107:12:021
2451699174,11cyclictest0-21swapper/008:42:000
2451699173,4cyclictest2425-21ssh10:25:330
24516991710,1cyclictest17840-21ssh12:09:560
139721710,0sleep00-21swapper/007:29:420
139721710,0sleep00-21swapper/007:29:420
24517991610,2cyclictest0-21swapper/108:11:581
24517991610,0cyclictest0-21swapper/107:37:161
2451699162,9cyclictest0-21swapper/008:36:580
24516991614,1cyclictest7-21ksoftirqd/008:36:450
24516991610,2cyclictest0-21swapper/008:12:020
2451699160,16cyclictest0-21swapper/009:01:390
24517991510,5cyclictest0-21swapper/108:59:181
24517991510,2cyclictest0-21swapper/109:01:501
2451699153,9cyclictest0-21swapper/008:16:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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