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2025-12-31 - 00:29
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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 Tue Dec 30, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
630527362,7sleep10-21swapper/107:09:521
169322730,1sleep10-21swapper/111:06:591
100082730,0sleep10-21swapper/110:17:071
615226351,8sleep00-21swapper/007:08:180
126802620,1sleep00-21swapper/010:20:130
6488993939,0cyclictest0-21swapper/012:37:540
6488993011,18cyclictest0-21swapper/010:18:590
648999290,1cyclictest0-21swapper/110:36:211
648999288,19cyclictest0-21swapper/112:31:261
6488992825,1cyclictest0-21swapper/009:11:180
6489992723,3cyclictest636-21nscd10:24:351
6489992720,2cyclictest0-21swapper/111:44:331
6488992717,7cyclictest0-21swapper/011:48:310
648899270,4cyclictest0-21swapper/009:30:160
6489992624,2cyclictest0-21swapper/109:16:001
6489992624,1cyclictest4385-21cpu09:30:081
6489992610,1cyclictest0-21swapper/109:29:111
6488992626,0cyclictest0-21swapper/010:30:340
648899260,19cyclictest0-21swapper/011:20:170
6489992510,6cyclictest0-21swapper/109:11:571
6488992525,0cyclictest0-21swapper/010:37:080
6488992514,5cyclictest100150irq/106-eth1-rx12:03:200
2421522510,0sleep00-21swapper/011:57:290
648999249,13cyclictest25330-21kworker/u4:212:24:461
6489992419,4cyclictest16360-21apache212:04:591
6488992424,0cyclictest0-21swapper/011:09:140
648899241,22cyclictest0-21swapper/010:54:520
6488992410,6cyclictest0-21swapper/007:34:540
648999234,11cyclictest0-21swapper/107:40:061
6489992310,6cyclictest0-21swapper/112:11:141
6489992310,6cyclictest0-21swapper/107:49:301
6489992310,5cyclictest0-21swapper/110:46:431
6489992310,11cyclictest100150irq/106-eth1-rx10:00:071
6488992318,4cyclictest16387-21apache209:16:510
6488992310,7cyclictest0-21swapper/011:30:110
6489992222,0cyclictest0-21swapper/110:50:151
6489992220,2cyclictest16360-21apache211:56:251
6489992214,6cyclictest16360-21apache212:02:111
6489992210,10cyclictest100150irq/106-eth1-rx11:04:041
6489992210,0cyclictest0-21swapper/112:36:221
648899225,10cyclictest22561-21idleruntime-cro11:14:540
6488992220,1cyclictest636-21nscd12:19:500
6488992220,1cyclictest0-21swapper/009:23:380
648899220,18cyclictest0-21swapper/009:58:190
648999214,13cyclictest0-21swapper/108:25:141
648999213,8cyclictest0-21swapper/107:50:121
6489992117,2cyclictest12273-21apache207:16:521
6489992115,4cyclictest22819-21/usr/sbin/munin11:15:131
6489992112,8cyclictest27349-21kworker/u4:012:18:461
6489992110,7cyclictest0-21swapper/110:31:201
6489992110,6cyclictest0-21swapper/111:12:181
6489992110,3cyclictest0-21swapper/110:05:131
648899216,7cyclictest0-21swapper/009:00:070
648899214,11cyclictest0-21swapper/007:50:060
648899213,11cyclictest0-21swapper/009:25:080
6488992119,1cyclictest0-21swapper/008:05:110
6488992119,0cyclictest100250irq/107-eth1-rx11:44:010
6488992113,5cyclictest100250irq/107-eth1-rx10:05:100
6488992110,2cyclictest0-21swapper/010:58:160
93322010,0sleep00-21swapper/012:09:530
6489992019,1cyclictest0-21swapper/108:55:551
6489992016,3cyclictest16387-21apache211:45:041
6489992013,2cyclictest10433-21cpuspeed_turbos07:20:051
6489992011,5cyclictest100350irq/108-eth1-tx09:21:061
6489992010,9cyclictest0-21swapper/111:26:061
6489992010,5cyclictest0-21swapper/111:54:271
6489992010,5cyclictest0-21swapper/108:15:161
6489992010,2cyclictest0-21swapper/112:28:201
648999200,7cyclictest26666-21ssh11:20:061
648899207,11cyclictest0-21swapper/007:45:090
648899205,8cyclictest0-21swapper/010:25:080
6488992017,2cyclictest802-21apache208:26:280
6488992010,3cyclictest0-21swapper/011:00:170
6488992010,3cyclictest0-21swapper/007:55:130
6488992010,1cyclictest0-21swapper/009:52:060
6488992010,0cyclictest0-21swapper/010:48:130
3137822010,0sleep00-21swapper/010:03:290
1502322010,0sleep00-21swapper/012:26:320
648999195,5cyclictest20410-21diskmemload11:35:081
648999194,5cyclictest0-21swapper/108:32:341
648999193,12cyclictest0-21swapper/109:40:141
6489991912,6cyclictest100150irq/106-eth1-rx10:10:501
6489991910,9cyclictest0-21swapper/110:25:131
6489991910,6cyclictest0-21swapper/108:05:111
6489991910,4cyclictest0-21swapper/109:09:231
6489991910,4cyclictest0-21swapper/108:10:141
6489991910,4cyclictest0-21swapper/107:25:051
6488991919,0cyclictest7-21ksoftirqd/010:14:550
6488991919,0cyclictest0-21swapper/012:22:240
6488991912,0cyclictest100350irq/108-eth1-tx09:37:470
6488991910,7cyclictest0-21swapper/010:44:540
6488991910,7cyclictest0-21swapper/008:45:150
6488991910,6cyclictest2468-21ls08:20:140
6488991910,6cyclictest0-21swapper/011:38:030
6488991910,5cyclictest0-21swapper/011:25:070
6488991910,2cyclictest0-21swapper/009:04:560
3090721910,0sleep10-21swapper/110:44:021
648999185,9cyclictest0-21swapper/108:40:091
6489991810,5cyclictest0-21swapper/109:54:561
6489991810,3cyclictest7265-21ntpdc07:10:111
6489991810,3cyclictest0-21swapper/110:55:391
6489991810,3cyclictest0-21swapper/109:54:231
6489991810,3cyclictest0-21swapper/108:45:101
648899186,10cyclictest0-21swapper/011:50:060
648899183,7cyclictest19013-21/usr/sbin/munin07:40:100
648899182,7cyclictest0-21swapper/008:35:110
648899181,8cyclictest0-21swapper/008:10:060
6488991810,3cyclictest0-21swapper/012:29:590
6488991810,3cyclictest0-21swapper/008:15:100
6488991810,3cyclictest0-21swapper/007:10:060
6488991810,1cyclictest0-21swapper/009:40:140
1839321810,0sleep10-21swapper/109:04:051
648999178,4cyclictest0-21swapper/108:35:081
648999174,8cyclictest0-21swapper/108:50:141
6489991716,1cyclictest0-21swapper/109:37:341
6489991710,2cyclictest0-21swapper/111:30:101
6489991710,2cyclictest0-21swapper/108:20:141
6489991710,1cyclictest0-21swapper/107:55:061
648899179,3cyclictest0-21swapper/007:30:130
648899175,6cyclictest23061-21diskstats11:15:100
648899173,4cyclictest0-21swapper/008:00:150
6488991717,0cyclictest0-21swapper/007:25:100
6488991712,1cyclictest0-21swapper/007:20:080
6488991711,4cyclictest18176-21diskmemload09:46:050
6488991710,1cyclictest0-21swapper/012:10:160
2773721710,0sleep10-21swapper/108:04:221
648999164,9cyclictest0-21swapper/109:45:141
6489991610,4cyclictest0-21swapper/107:35:071
6489991610,3cyclictest0-21swapper/107:30:121
648899166,4cyclictest0-21swapper/007:15:060
648899163,5cyclictest0-21swapper/008:30:060
648899162,7cyclictest0-21swapper/008:55:120
6488991511,4cyclictest0-21swapper/008:51:170
6488991510,0cyclictest0-21swapper/008:40:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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