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2025-07-02 - 17:56
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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 highest latencies:
System rackcslot2.osadl.org (updated Wed Jul 02, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1470326856,8sleep00-21swapper/007:04:240
1463326856,8sleep10-21swapper/107:03:381
15216993710,8cyclictest0-21swapper/010:48:390
15216993510,4cyclictest0-21swapper/011:33:420
15217993121,10cyclictest25046-21kworker/1:207:39:211
15217993011,5cyclictest0-21swapper/111:01:111
15216993029,0cyclictest0-21swapper/011:06:550
15216992925,3cyclictest4114-21sh09:16:160
15216992910,11cyclictest0-21swapper/009:10:190
15216992827,1cyclictest0-21swapper/012:20:280
15216992810,2cyclictest0-21swapper/010:42:250
15217992710,15cyclictest29722-21kworker/1:107:24:171
1521799270,24cyclictest0-21swapper/110:42:501
1521799262,19cyclictest0-21swapper/109:40:241
1521799260,20cyclictest0-21swapper/109:09:241
1521799258,12cyclictest0-21swapper/111:27:501
15217992510,8cyclictest0-21swapper/109:43:031
1521699252,2cyclictest0-21swapper/011:56:130
15216992520,3cyclictest25089-21apache207:39:320
1521699251,3cyclictest0-21swapper/009:44:180
15216992510,14cyclictest0-21swapper/007:13:050
1521799247,10cyclictest0-21swapper/110:53:021
1521799247,10cyclictest0-21swapper/110:53:021
1521799243,7cyclictest13980-21apache_accesses11:33:011
15217992424,0cyclictest0-21swapper/111:45:441
1521799241,2cyclictest0-21swapper/110:07:591
15217992410,10cyclictest0-21swapper/110:15:171
1521799240,8cyclictest0-21swapper/109:28:031
15216992417,4cyclictest25089-21apache212:00:010
15216992415,6cyclictest0-21swapper/008:06:090
1521799238,15cyclictest11893-21kworker/1:108:27:331
15217992322,1cyclictest25089-21apache208:55:381
1521699236,10cyclictest0-21swapper/009:23:070
1521699233,5cyclictest0-21swapper/010:16:010
15216992317,4cyclictest25089-21apache210:29:510
1062622310,0sleep10-21swapper/109:23:301
1521799226,16cyclictest11893-21kworker/1:111:31:311
15217992220,2cyclictest0-21swapper/108:36:411
1521799221,2cyclictest0-21swapper/111:57:221
15217992210,5cyclictest0-21swapper/110:23:481
15217992210,4cyclictest0-21swapper/111:08:051
1521699222,19cyclictest0-21swapper/008:59:250
15216992218,1cyclictest0-21swapper/011:48:090
15216992215,5cyclictest25119-21apache209:59:290
15216992212,4cyclictest15214-21cyclictest10:22:500
15216992211,3cyclictest0-21swapper/011:23:100
15216992210,7cyclictest0-21swapper/011:44:460
15216992210,6cyclictest0-21swapper/011:18:020
15216992210,4cyclictest0-21swapper/007:43:050
15216992210,3cyclictest0-21swapper/009:20:320
15216992210,2cyclictest97850irq/107-eth1-rx09:35:080
1521799217,6cyclictest589-21in:imuxsock08:17:501
1521799214,7cyclictest0-21swapper/107:53:061
1521799213,11cyclictest0-21swapper/107:48:101
15217992116,4cyclictest25089-21apache212:34:011
15217992115,4cyclictest25119-21apache209:20:001
15217992110,8cyclictest25046-21kworker/1:208:05:011
15217992110,6cyclictest0-21swapper/112:31:471
15217992110,5cyclictest0-21swapper/109:13:051
15217992110,5cyclictest0-21swapper/107:43:091
1521699218,9cyclictest0-21swapper/008:18:060
15216992110,8cyclictest0-21swapper/011:28:020
15216992110,6cyclictest0-21swapper/012:30:520
15216992110,4cyclictest0-21swapper/007:53:050
15216992110,1cyclictest0-21swapper/009:28:330
15216992110,0cyclictest0-21swapper/009:47:540
1521699210,1cyclictest25853-21sed07:33:070
655122010,1sleep10-21swapper/109:59:441
3220522010,0sleep00-21swapper/011:13:310
179112200,0sleep10-21swapper/112:18:481
1521799206,7cyclictest29131-21diskmemload11:48:041
15217992018,1cyclictest24-21ksoftirqd/108:02:501
15217992016,3cyclictest29722-21kworker/1:107:18:041
15217992012,3cyclictest25119-21apache210:03:051
15217992011,5cyclictest0-21swapper/112:02:401
15217992010,6cyclictest0-21swapper/108:58:021
15217992010,6cyclictest0-21swapper/108:18:001
15217992010,4cyclictest0-21swapper/108:43:111
1521699204,9cyclictest0-21swapper/008:43:030
15216992012,6cyclictest25119-21apache210:57:050
15216992012,6cyclictest25119-21apache210:57:050
15216992010,9cyclictest0-21swapper/009:54:050
15216992010,4cyclictest0-21swapper/011:08:000
15216992010,3cyclictest0-21swapper/010:09:400
15216992010,3cyclictest0-21swapper/009:38:000
1521699200,14cyclictest0-21swapper/009:03:070
2041721910,0sleep00-21swapper/011:40:270
1601921910,0sleep10-21swapper/112:17:481
1521799196,3cyclictest8982-21/usr/sbin/munin12:08:051
1521799194,9cyclictest0-21swapper/110:33:041
1521799194,5cyclictest984-21ssh09:53:051
15217991918,1cyclictest25089-21apache210:44:411
15217991917,1cyclictest636-21nscd12:27:381
15217991911,5cyclictest24608-21seq07:31:341
15217991910,6cyclictest0-21swapper/111:13:481
15217991910,5cyclictest0-21swapper/109:48:071
15217991910,3cyclictest0-21swapper/110:50:421
15217991910,3cyclictest0-21swapper/110:18:111
15217991910,3cyclictest0-21swapper/108:28:071
1521799190,15cyclictest0-21swapper/107:33:051
1521699198,6cyclictest0-21swapper/007:08:060
1521699194,5cyclictest21997-21/usr/sbin/munin07:23:130
1521699193,15cyclictest12498-21apache_accesses12:13:010
15216991913,5cyclictest0-21swapper/010:06:450
15216991910,3cyclictest0-21swapper/012:08:090
15216991910,2cyclictest0-21swapper/011:01:330
15216991910,2cyclictest0-21swapper/008:11:450
15216991910,1cyclictest0-21swapper/008:28:310
2440821810,0sleep10-21swapper/111:03:181
15217991810,4cyclictest0-21swapper/110:28:121
15217991810,4cyclictest0-21swapper/109:37:311
15217991810,2cyclictest0-21swapper/112:02:521
15217991810,1cyclictest0-21swapper/108:08:051
1521699187,10cyclictest0-21swapper/007:58:040
1521699186,5cyclictest0-21swapper/008:33:310
1521699183,11cyclictest0-21swapper/010:33:030
1521699181,2cyclictest0-21swapper/010:42:510
15216991810,4cyclictest0-21swapper/007:32:250
15216991810,2cyclictest0-21swapper/008:53:110
1521699180,10cyclictest0-21swapper/012:03:020
1521799174,4cyclictest0-21swapper/111:18:031
1521799173,6cyclictest0-21swapper/107:08:101
15217991710,4cyclictest0-21swapper/108:48:051
15217991710,3cyclictest0-21swapper/109:03:061
15217991710,1cyclictest0-21swapper/111:38:161
1521699171,8cyclictest0-21swapper/008:24:290
15216991710,3cyclictest0-21swapper/008:48:050
15216991710,3cyclictest0-21swapper/008:13:070
15216991710,2cyclictest0-21swapper/012:25:130
1521799164,8cyclictest0-21swapper/107:13:041
15217991610,3cyclictest0-21swapper/108:38:111
1521699164,5cyclictest0-21swapper/010:23:110
1521699161,5cyclictest27796-21cut12:33:040
1521699155,6cyclictest0-21swapper/007:48:030
1521699154,9cyclictest0-21swapper/008:38:030
1521699153,7cyclictest0-21swapper/007:18:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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