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2025-11-15 - 22:39
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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 Sat Nov 15, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1194127058,8sleep00-21swapper/007:05:460
1177027057,9sleep10-21swapper/107:03:581
6612670,0sleep00-21swapper/009:55:530
282942660,1sleep10-21swapper/109:08:111
12220993610,23cyclictest0-21swapper/012:28:160
1222199310,30cyclictest0-21swapper/111:53:181
12220993028,1cyclictest7-21ksoftirqd/007:26:490
12221992910,1cyclictest0-21swapper/109:40:491
12221992711,15cyclictest14200-21kworker/1:010:34:481
1222199270,26cyclictest0-21swapper/109:12:461
12220992727,0cyclictest0-21swapper/010:14:240
12220992710,15cyclictest0-21swapper/012:06:430
1222099270,1cyclictest14226-21munin-run11:36:480
12221992622,2cyclictest636-21nscd09:17:071
12221992619,7cyclictest22120-21apache209:31:401
12220992610,3cyclictest0-21swapper/008:41:590
12221992524,0cyclictest0-21swapper/111:44:581
12221992519,5cyclictest22095-21apache212:34:141
1222199250,13cyclictest14143-21/usr/sbin/munin09:32:001
12220992516,4cyclictest23953-21idleruntime-cro07:36:490
1222099250,24cyclictest0-21swapper/007:12:000
1222099250,21cyclictest0-21swapper/010:30:260
12221992420,3cyclictest23746-21grep08:57:101
12221992418,5cyclictest22120-21apache209:55:181
1222199241,22cyclictest11304-21kworker/1:109:47:361
12221992410,9cyclictest0-21swapper/111:40:231
12221992410,5cyclictest0-21swapper/112:12:061
12221992410,12cyclictest0-21swapper/108:37:101
1222099242,21cyclictest0-21swapper/010:32:120
1222099241,22cyclictest12631-21ssh10:52:080
1222099240,3cyclictest16127-21ssh12:22:000
12221992323,0cyclictest0-21swapper/107:17:311
12220992318,5cyclictest0-21swapper/011:02:420
12220992317,5cyclictest22095-21apache211:58:370
12220992316,5cyclictest22120-21apache209:44:470
12220992312,7cyclictest10050irq/110-ahci[0010:40:110
12220992310,7cyclictest0-21swapper/011:16:360
12220992310,4cyclictest0-21swapper/007:19:060
1222099230,1cyclictest0-21swapper/010:51:320
12221992215,5cyclictest22120-21apache210:42:041
12221992215,3cyclictest22095-21apache209:26:011
12221992210,9cyclictest0-21swapper/110:02:431
12221992210,5cyclictest0-21swapper/112:27:151
1222199220,2cyclictest0-21swapper/110:41:261
1222099228,8cyclictest0-21swapper/007:42:090
1222099225,3cyclictest0-21swapper/012:33:130
12220992222,0cyclictest0-21swapper/008:34:340
12220992218,4cyclictest0-21swapper/008:54:160
12220992210,5cyclictest636-21nscd09:23:130
12220992210,5cyclictest0-21swapper/009:12:310
1222099220,18cyclictest22122-21kworker/0:211:53:350
1222199214,3cyclictest0-21swapper/112:19:011
1222199212,5cyclictest0-21swapper/110:27:481
12221992119,1cyclictest27176-21latency_hist11:11:491
12221992118,1cyclictest22120-21apache212:09:571
12221992110,7cyclictest0-21swapper/111:29:351
12221992110,5cyclictest0-21swapper/108:07:071
12221992110,4cyclictest0-21swapper/112:22:351
12221992110,4cyclictest0-21swapper/107:47:051
1222199210,13cyclictest0-21swapper/109:57:071
1222199210,10cyclictest2172-21ntp_states12:02:051
1222099217,9cyclictest0-21swapper/007:27:010
1222099215,9cyclictest636-21nscd11:50:320
12220992113,5cyclictest22120-21apache211:00:430
1222099211,16cyclictest22122-21kworker/0:208:59:310
12220992110,7cyclictest0-21swapper/012:15:080
12220992110,5cyclictest0-21swapper/011:27:050
12220992110,5cyclictest0-21swapper/009:32:440
12220992110,3cyclictest0-21swapper/009:26:540
12221992020,0cyclictest0-21swapper/110:51:381
12221992012,4cyclictest593-21avahi-daemon09:02:561
12221992012,1cyclictest14138-21rm10:12:081
12221992010,4cyclictest0-21swapper/108:42:101
12221992010,2cyclictest0-21swapper/111:20:481
1222199200,1cyclictest0-21swapper/111:58:101
1222099203,16cyclictest0-21swapper/011:17:010
12220992020,0cyclictest0-21swapper/009:07:050
12220992019,1cyclictest22095-21apache211:38:220
12220992011,3cyclictest6367-21ls12:07:110
12220992010,7cyclictest0-21swapper/010:22:120
12220992010,5cyclictest0-21swapper/011:42:020
12220992010,4cyclictest0-21swapper/012:18:410
12221991915,2cyclictest26168-21diskmemload11:02:431
12221991912,3cyclictest231ktimersoftd/108:22:011
12221991910,6cyclictest0-21swapper/110:21:481
12221991910,5cyclictest0-21swapper/108:05:081
12221991910,0cyclictest0-21swapper/110:56:301
1222199190,2cyclictest0-21swapper/111:15:291
1222199190,1cyclictest13314-21sleep11:34:561
1222099192,16cyclictest0-21swapper/009:57:070
12220991914,4cyclictest636-21nscd09:47:400
12220991910,4cyclictest0-21swapper/010:05:260
12220991910,4cyclictest0-21swapper/008:22:000
12220991910,4cyclictest0-21swapper/007:07:350
12220991910,3cyclictest0-21swapper/010:45:400
12220991910,3cyclictest0-21swapper/009:38:510
12220991910,2cyclictest0-21swapper/011:06:500
479521810,0sleep00-21swapper/008:09:520
1222199183,9cyclictest0-21swapper/107:52:021
12221991812,4cyclictest817-21apache209:42:001
12221991810,5cyclictest22120-21apache210:07:001
12221991810,5cyclictest0-21swapper/110:57:031
12221991810,5cyclictest0-21swapper/108:52:091
12221991810,4cyclictest0-21swapper/108:17:171
12221991810,3cyclictest0-21swapper/111:47:091
12221991810,3cyclictest0-21swapper/108:27:011
12221991810,0cyclictest0-21swapper/111:23:241
12221991810,0cyclictest0-21swapper/107:27:091
1222199180,10cyclictest0-21swapper/108:32:021
1222099186,5cyclictest0-21swapper/010:07:000
1222099183,6cyclictest26168-21diskmemload11:22:030
12220991818,0cyclictest0-21swapper/008:47:040
12220991811,3cyclictest0-21swapper/008:27:040
12220991810,5cyclictest0-21swapper/010:16:540
12220991810,4cyclictest0-21swapper/008:37:070
12220991810,4cyclictest0-21swapper/008:12:010
75921710,0sleep10-21swapper/107:57:571
12221991713,3cyclictest0-21swapper/107:32:011
12221991710,4cyclictest0-21swapper/108:12:051
12221991710,3cyclictest0-21swapper/107:42:101
1222099175,11cyclictest22122-21kworker/0:207:52:050
12220991716,1cyclictest0-21swapper/009:17:220
12220991710,4cyclictest0-21swapper/007:47:010
12220991710,2cyclictest0-21swapper/007:37:030
1222199164,8cyclictest0-21swapper/108:47:001
1222199162,3cyclictest25010-21proc_pri07:37:091
12221991610,3cyclictest0-21swapper/110:22:021
12221991610,3cyclictest0-21swapper/107:07:011
1222099162,10cyclictest0-21swapper/007:56:590
12220991610,6cyclictest0-21swapper/009:06:200
12220991610,6cyclictest0-21swapper/008:03:020
12220991610,5cyclictest0-21swapper/008:17:000
1222199154,7cyclictest0-21swapper/107:22:011
1222199154,7cyclictest0-21swapper/107:12:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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