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2025-12-05 - 22:55
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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 all highest latencies:
System rackcslot2.osadl.org (updated Fri Dec 05, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2725126957,8sleep10-21swapper/107:04:431
2704126956,8sleep00-21swapper/007:02:310
249532640,0sleep024950-21seq11:16:520
7622630,0sleep00-21swapper/009:21:520
27622993510,16cyclictest0-21swapper/012:09:500
27622993310,22cyclictest0-21swapper/010:03:490
27623993030,0cyclictest0-21swapper/111:34:101
27623993029,0cyclictest9727-21kworker/u4:012:10:231
27623993010,15cyclictest0-21swapper/111:19:391
27622993010,15cyclictest0-21swapper/012:21:530
27622992913,16cyclictest0-21swapper/009:16:190
27622992910,17cyclictest0-21swapper/012:33:130
2762399280,26cyclictest0-21swapper/109:06:521
2762399280,25cyclictest0-21swapper/109:31:271
2762299280,27cyclictest0-21swapper/008:43:310
2762299280,24cyclictest0-21swapper/010:20:330
27623992717,6cyclictest1252-21apache212:24:551
27623992717,6cyclictest1252-21apache209:44:311
27622992727,0cyclictest0-21swapper/011:28:070
27622992725,1cyclictest81ktimersoftd/009:56:550
2762299270,24cyclictest0-21swapper/010:34:500
2762399262,23cyclictest1180-21kworker/1:207:39:271
27623992610,16cyclictest0-21swapper/109:40:351
27623992610,11cyclictest0-21swapper/110:20:241
27622992614,12cyclictest0-21swapper/009:08:050
27622992610,2cyclictest0-21swapper/011:10:520
27622992610,16cyclictest0-21swapper/011:00:540
2762299260,2cyclictest31350-21sendmail_mailst10:42:000
2762299260,25cyclictest19656-21kworker/0:212:11:560
2762299260,1cyclictest0-21swapper/010:56:190
27623992524,1cyclictest0-21swapper/108:18:551
27623992517,5cyclictest1241-21apache211:51:021
27622992515,6cyclictest8711-21sh12:20:190
27623992419,3cyclictest1252-21apache208:49:001
2762399241,3cyclictest0-21swapper/111:25:121
2762399241,2cyclictest0-21swapper/110:26:201
27623992410,8cyclictest0-21swapper/109:57:041
2762399240,5cyclictest0-21swapper/111:15:461
27622992413,6cyclictest0-21swapper/009:54:570
27622992410,10cyclictest0-21swapper/010:47:340
12592240,0sleep10-21swapper/110:45:481
2762399234,14cyclictest0-21swapper/109:46:511
27623992310,9cyclictest0-21swapper/110:36:561
2762299236,16cyclictest0-21swapper/008:19:570
2762299236,12cyclictest0-21swapper/012:01:540
27622992317,5cyclictest9107-21ssh10:12:560
27622992313,8cyclictest15372-1kworker/u5:111:04:360
27622992313,7cyclictest20973-21diskmemload09:35:110
2762299230,21cyclictest0-21swapper/011:41:040
877422210,0sleep10-21swapper/110:55:231
27623992221,0cyclictest27620-21cyclictest11:10:171
27623992220,1cyclictest1241-21apache212:35:321
27623992216,5cyclictest1252-21apache212:03:111
27623992215,5cyclictest1252-21apache212:13:081
27623992214,4cyclictest1241-21apache211:30:521
2762399221,21cyclictest0-21swapper/109:34:281
27623992210,6cyclictest0-21swapper/109:22:021
27623992210,10cyclictest0-21swapper/112:28:531
27623992210,0cyclictest0-21swapper/110:13:181
27622992216,4cyclictest1252-21apache211:22:010
2707622210,0sleep10-21swapper/109:55:111
1614122210,0sleep10-21swapper/111:04:561
2762399211,2cyclictest0-21swapper/110:10:201
27622992118,2cyclictest1241-21apache210:21:450
27622992115,3cyclictest27620-21cyclictest12:28:330
27622992112,6cyclictest22523-21perf10:31:400
27622992111,5cyclictest0-21swapper/009:26:530
27622992110,7cyclictest0-21swapper/011:45:580
2762299210,18cyclictest0-21swapper/009:47:110
2762399207,4cyclictest0-21swapper/110:26:571
27623992020,0cyclictest231ktimersoftd/112:19:061
27623992018,1cyclictest28444-21pluginstate07:06:561
27623992015,5cyclictest21155-21kworker/1:107:17:351
27623992015,3cyclictest1252-21apache209:14:471
27623992012,2cyclictest23206-1kworker/u5:110:34:371
27623992011,4cyclictest2578-21munin-node11:58:361
27623992010,9cyclictest0-21swapper/111:40:341
27623992010,7cyclictest0-21swapper/109:03:551
27623992010,6cyclictest0-21swapper/110:58:231
27623992010,4cyclictest0-21swapper/111:51:521
27623992010,3cyclictest0-21swapper/107:56:211
27623992010,2cyclictest0-21swapper/108:51:571
2762299202,3cyclictest0-21swapper/011:58:410
27622992015,3cyclictest27620-21cyclictest09:19:410
27622992015,2cyclictest817-21apache208:38:570
27622992012,3cyclictest27620-21cyclictest09:04:200
27622992011,4cyclictest0-21swapper/009:41:050
27622992010,6cyclictest0-21swapper/010:36:420
27622992010,5cyclictest0-21swapper/007:29:160
2762299200,19cyclictest0-21swapper/011:11:420
2762299200,19cyclictest0-21swapper/008:55:030
2762399195,9cyclictest0-21swapper/110:05:121
27623991918,1cyclictest1252-21apache208:37:011
27623991917,2cyclictest1180-21kworker/1:208:08:191
27623991916,2cyclictest817-21apache207:46:081
27623991910,5cyclictest0-21swapper/111:41:541
27622991916,1cyclictest817-21apache211:31:550
27622991914,2cyclictest0-21swapper/010:07:460
27622991910,5cyclictest0-21swapper/007:16:400
2762399185,7cyclictest0-21swapper/110:46:521
2762399184,6cyclictest0-21swapper/108:21:581
27623991818,0cyclictest0-21swapper/108:43:521
27623991816,1cyclictest0-21swapper/108:59:041
2762299187,10cyclictest0-21swapper/007:06:540
27622991816,1cyclictest2578-21munin-node08:14:160
27622991816,0cyclictest0-21swapper/009:41:550
27622991811,3cyclictest2770-21pmu-power07:36:570
27622991810,6cyclictest173192sleep011:47:540
27622991810,2cyclictest0-21swapper/008:21:570
2287521810,0sleep00-21swapper/011:56:380
27623991711,2cyclictest0-21swapper/108:30:161
27623991710,4cyclictest1252-21apache207:57:281
27623991710,4cyclictest0-21swapper/109:21:001
2762299172,8cyclictest0-21swapper/007:51:540
27622991717,0cyclictest817-21apache207:23:060
27622991710,0cyclictest0-21swapper/008:50:170
2762399162,9cyclictest0-21swapper/107:21:531
27623991614,1cyclictest1111-21runrttasks07:27:391
27622991611,3cyclictest22356-21apache207:17:360
27622991610,0cyclictest0-21swapper/007:47:090
786121510,1sleep00-21swapper/008:03:270
712721510,0sleep00-21swapper/007:57:240
27622991510,5cyclictest0-21swapper/009:00:550
27622991510,5cyclictest0-21swapper/007:35:330
27622991510,4cyclictest0-21swapper/008:33:380
27622991510,4cyclictest0-21swapper/007:44:190
27622991510,3cyclictest0-21swapper/008:06:560
2762399142,3cyclictest1111-21runrttasks07:13:221
27623991414,0cyclictest106922sleep108:16:241
27623991412,1cyclictest1252-21apache208:02:061
27623991410,2cyclictest0-21swapper/107:33:561
27623991310,3cyclictest0-21swapper/107:47:501
27623991310,0cyclictest0-21swapper/108:33:091
27622991313,0cyclictest1241-21apache208:27:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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