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2026-09-02 - 00:00
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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 Sep 01, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260122920,1sleep00-21swapper/009:30:020
2719227158,9sleep10-21swapper/107:03:411
2585926855,8sleep00-21swapper/007:03:100
27788993810,28cyclictest0-21swapper/112:29:251
27788993510,24cyclictest0-21swapper/111:07:101
2778899340,1cyclictest18207-21cpu11:38:131
27788993310,22cyclictest0-21swapper/109:46:201
27788993210,21cyclictest0-21swapper/112:36:581
27787993010,10cyclictest0-21swapper/010:24:140
27788992910,18cyclictest0-21swapper/109:38:591
27788992910,18cyclictest0-21swapper/108:03:151
2778899290,9cyclictest0-21swapper/107:23:111
27787992827,1cyclictest0-21swapper/011:14:340
27787992820,6cyclictest9848-21ssh11:25:360
2778899275,3cyclictest10039-21munin-run12:13:001
2778899271,8cyclictest0-21swapper/110:49:231
27788992710,16cyclictest0-21swapper/111:14:051
27788992710,12cyclictest0-21swapper/108:12:501
27788992710,0cyclictest0-21swapper/111:25:351
27787992727,0cyclictest0-21swapper/012:06:430
27787992727,0cyclictest0-21swapper/009:22:150
2778899262,2cyclictest456-21ntp_states11:58:181
27787992626,0cyclictest0-21swapper/009:51:270
2778899252,7cyclictest0-21swapper/108:18:151
2778899252,10cyclictest12974-21/usr/sbin/munin07:53:151
2778899251,4cyclictest0-21swapper/108:25:321
27788992512,12cyclictest636-21nscd07:18:181
27787992510,13cyclictest0-21swapper/009:45:410
27788992424,0cyclictest0-21swapper/111:08:491
27788992419,4cyclictest947-21sendmail-mta12:18:141
2778899241,7cyclictest0-21swapper/109:53:151
27788992413,9cyclictest5211-21apache212:25:411
2778899240,6cyclictest16341-21apache_volume10:03:121
27787992424,0cyclictest0-21swapper/012:13:450
27787992410,8cyclictest0-21swapper/009:58:140
2778899235,17cyclictest0-21swapper/107:38:121
27788992311,6cyclictest5238-21apache210:09:471
27788992310,12cyclictest0-21swapper/108:33:181
27787992310,1cyclictest0-21swapper/008:08:130
27787992310,12cyclictest0-21swapper/010:30:020
2778799230,22cyclictest0-21swapper/010:34:390
2778799230,1cyclictest0-21swapper/012:23:280
27788992213,9cyclictest27785-21cyclictest09:37:561
27788992212,4cyclictest5238-21apache208:32:351
2778899221,16cyclictest9265-21diskmemload10:14:001
27788992211,6cyclictest100250irq/107-eth1-rx10:32:391
27788992210,12cyclictest0-21swapper/109:20:161
2778799228,4cyclictest7-21ksoftirqd/011:22:440
2778799225,12cyclictest0-21swapper/007:08:130
2778799222,3cyclictest0-21swapper/011:57:120
27787992218,3cyclictest5211-21apache211:30:390
27787992210,9cyclictest0-21swapper/010:39:370
27787992210,9cyclictest0-21swapper/007:41:080
27787992210,6cyclictest0-21swapper/010:51:170
27787992210,4cyclictest0-21swapper/009:38:000
27787992210,3cyclictest0-21swapper/011:11:120
2778799220,21cyclictest0-21swapper/009:16:550
2778899217,13cyclictest0-21swapper/108:53:141
27788992112,8cyclictest636-21nscd10:33:201
27788992112,8cyclictest27785-21cyclictest09:51:061
27788992112,3cyclictest21774-21cstates11:43:131
27788992110,7cyclictest0-21swapper/109:58:121
2778799216,7cyclictest0-21swapper/007:28:120
27787992120,1cyclictest0-21swapper/008:32:320
27787992116,4cyclictest100250irq/107-eth1-rx11:38:210
2778799211,17cyclictest0-21swapper/010:44:450
27787992111,1cyclictest0-21swapper/011:50:330
2778899202,9cyclictest9277-21munin-run09:08:001
27788992016,4cyclictest0-21swapper/109:08:191
27788992010,6cyclictest0-21swapper/110:58:121
27788992010,1cyclictest0-21swapper/111:48:171
2778799209,4cyclictest81ktimersoftd/008:13:160
27787992017,2cyclictest5211-21apache209:39:330
27787992014,3cyclictest5238-21apache212:28:060
27787992010,5cyclictest0-21swapper/011:58:210
27787992010,5cyclictest0-21swapper/007:17:410
27787992010,4cyclictest0-21swapper/008:38:160
27787992010,3cyclictest0-21swapper/010:58:120
2778799200,5cyclictest0-21swapper/009:27:200
2778899196,6cyclictest0-21swapper/110:44:081
2778899194,8cyclictest0-21swapper/108:43:111
2778899194,5cyclictest0-21swapper/107:28:171
2778899194,4cyclictest0-21swapper/112:06:101
2778899191,5cyclictest0-21swapper/112:14:211
27788991910,8cyclictest0-21swapper/109:28:151
27788991910,6cyclictest0-21swapper/107:33:131
27788991910,5cyclictest0-21swapper/108:38:111
27788991910,4cyclictest0-21swapper/107:47:141
27788991910,3cyclictest0-21swapper/111:20:571
2778899190,6cyclictest7357-21munin-run09:03:001
2778799196,7cyclictest636-21nscd10:53:150
2778799193,8cyclictest0-21swapper/009:53:540
27787991917,1cyclictest5211-21apache212:21:300
27787991911,3cyclictest100350irq/108-eth1-tx12:08:260
27787991910,6cyclictest0-21swapper/010:03:140
27787991910,4cyclictest0-21swapper/012:33:210
27787991910,4cyclictest0-21swapper/008:18:560
27787991910,3cyclictest0-21swapper/008:48:130
27787991910,2cyclictest0-21swapper/007:33:190
2312221910,1sleep10-21swapper/109:26:411
1559721910,0sleep10-21swapper/109:15:361
2778899183,2cyclictest0-21swapper/107:48:181
2778899183,11cyclictest0-21swapper/110:18:091
2778899183,11cyclictest0-21swapper/110:18:091
27788991817,1cyclictest5238-21apache210:39:431
27788991810,4cyclictest0-21swapper/110:55:271
27788991810,2cyclictest0-21swapper/111:56:431
2778899180,8cyclictest9265-21diskmemload10:23:131
2778799185,7cyclictest636-21nscd11:03:460
2778799181,11cyclictest0-21swapper/009:08:110
27787991810,3cyclictest0-21swapper/007:48:120
27787991810,2cyclictest0-21swapper/011:46:250
27787991810,2cyclictest0-21swapper/010:13:210
2778899174,7cyclictest0-21swapper/111:37:431
27788991715,1cyclictest5211-21apache208:14:321
27788991710,3cyclictest0-21swapper/111:28:131
27788991710,2cyclictest0-21swapper/107:58:111
2778799177,7cyclictest0-21swapper/008:33:220
2778799177,5cyclictest0-21swapper/010:08:140
27787991716,1cyclictest0-21swapper/007:53:140
27787991711,4cyclictest100150irq/106-eth1-rx07:19:200
27787991710,4cyclictest0-21swapper/008:58:100
27787991710,3cyclictest0-21swapper/011:33:160
27787991710,3cyclictest0-21swapper/008:46:200
27787991710,3cyclictest0-21swapper/007:23:170
27787991710,2cyclictest0-21swapper/010:18:160
27787991710,2cyclictest0-21swapper/010:18:160
27787991710,2cyclictest0-21swapper/009:03:130
2778799170,9cyclictest0-21swapper/007:43:220
1682421710,0sleep00-21swapper/008:03:120
2778899163,7cyclictest0-21swapper/107:08:181
27788991610,2cyclictest0-21swapper/108:48:211
27788991610,2cyclictest0-21swapper/107:13:181
27787991610,6cyclictest0-21swapper/008:24:550
27787991610,2cyclictest0-21swapper/007:58:130
2778799160,3cyclictest5217-21runrttasks08:56:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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