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2026-07-29 - 00:04
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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 Jul 28, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2109627158,8sleep00-21swapper/007:05:280
2125427054,8sleep10-21swapper/107:07:081
21548994310,4cyclictest0-21swapper/111:38:371
21547993331,1cyclictest0-21swapper/011:37:350
21548993025,4cyclictest0-21swapper/110:12:051
21548993023,6cyclictest100250irq/107-eth1-rx10:38:321
21548993010,3cyclictest0-21swapper/112:00:311
21547993010,2cyclictest0-21swapper/010:02:560
2154899290,5cyclictest858-21runrttasks09:00:571
21548992827,0cyclictest1817-21kworker/1:012:19:461
2154899281,8cyclictest0-21swapper/109:47:061
2154899281,3cyclictest21076-21idleruntime10:13:331
21547992826,2cyclictest0-21swapper/008:33:430
2154899275,6cyclictest0-21swapper/109:53:291
2154899272,8cyclictest0-21swapper/107:25:031
21548992727,0cyclictest0-21swapper/111:09:491
21548992727,0cyclictest0-21swapper/109:23:551
2154899270,22cyclictest0-21swapper/112:03:401
21548992624,1cyclictest25412-21ssh09:36:391
21548992611,6cyclictest100250irq/107-eth1-rx12:08:381
2154899260,2cyclictest0-21swapper/109:21:461
2154799260,23cyclictest16203-21ssh10:07:290
21548992510,10cyclictest0-21swapper/108:37:021
21547992510,2cyclictest0-21swapper/011:42:520
21547992510,0cyclictest0-21swapper/012:25:070
2154899242,12cyclictest0-21swapper/111:51:381
2154899240,2cyclictest0-21swapper/107:59:021
21547992418,5cyclictest31369-21apache209:27:570
21547992410,0cyclictest0-21swapper/012:29:540
21548992323,0cyclictest0-21swapper/111:55:311
21548992310,7cyclictest0-21swapper/109:03:381
21548992310,5cyclictest0-21swapper/110:28:241
21548992310,3cyclictest0-21swapper/110:23:291
21547992323,0cyclictest0-21swapper/011:30:420
21547992318,2cyclictest0-21swapper/010:10:230
21547992310,5cyclictest0-21swapper/012:07:580
21547992310,4cyclictest0-21swapper/012:15:320
21547992310,2cyclictest0-21swapper/009:56:590
21547992310,1cyclictest0-21swapper/011:07:220
21547992310,1cyclictest0-21swapper/011:07:220
2154899225,9cyclictest12272-21apache_accesses11:28:291
2154899222,7cyclictest0-21swapper/109:10:331
21548992221,0cyclictest0-21swapper/108:23:551
2154899221,4cyclictest26963-21runrttasks07:21:121
21548992210,7cyclictest0-21swapper/110:56:591
21547992218,0cyclictest81ktimersoftd/010:28:360
21547992210,6cyclictest0-21swapper/010:58:290
2154799220,21cyclictest0-21swapper/009:46:210
2154899214,13cyclictest0-21swapper/108:13:331
2154899214,13cyclictest0-21swapper/107:53:371
2154899212,5cyclictest0-21swapper/111:33:271
21548992117,3cyclictest31396-21apache210:58:201
2154899211,5cyclictest0-21swapper/110:47:221
2154899211,19cyclictest0-21swapper/112:27:081
21548992110,6cyclictest0-21swapper/110:03:391
21548992110,4cyclictest0-21swapper/110:33:301
2154899210,21cyclictest0-21swapper/111:16:431
2154799213,13cyclictest0-21swapper/010:33:400
2154799212,18cyclictest0-21swapper/007:33:300
2154799212,18cyclictest0-21swapper/007:33:300
21547992117,3cyclictest31396-21apache212:34:460
21547992117,2cyclictest31396-21apache209:31:040
21547992116,1cyclictest0-21swapper/012:21:280
2154799211,5cyclictest31326-21kworker/0:108:08:180
21547992111,6cyclictest100150irq/106-eth1-rx08:53:350
21547992110,9cyclictest0-21swapper/011:23:310
21547992110,7cyclictest0-21swapper/010:54:390
21547992110,7cyclictest0-21swapper/007:43:060
21547992110,1cyclictest0-21swapper/008:29:350
2154799210,2cyclictest1840-21proc_pri11:13:360
2154799210,20cyclictest28082-21rm09:39:130
2154799210,0cyclictest14043-21ssh10:47:370
2154899206,12cyclictest0-21swapper/107:08:301
2154899204,11cyclictest0-21swapper/107:43:351
2154899201,2cyclictest0-21swapper/109:59:161
21548992010,6cyclictest100250irq/107-eth1-rx12:16:351
21548992010,3cyclictest0-21swapper/111:44:321
21548992010,0cyclictest0-21swapper/111:04:331
21548992010,0cyclictest0-21swapper/111:04:331
2154799203,7cyclictest10586-21/usr/sbin/munin12:08:340
21547992019,0cyclictest0-21swapper/011:53:330
21547992018,1cyclictest0-21swapper/009:52:580
2154799201,6cyclictest18888-21grep08:23:340
21547992010,9cyclictest0-21swapper/011:48:410
21547992010,6cyclictest0-21swapper/009:14:590
21547992010,6cyclictest0-21swapper/007:13:310
1014822010,0sleep10-21swapper/109:16:351
2154899194,8cyclictest0-21swapper/108:18:361
2154899192,8cyclictest0-21swapper/108:28:301
21548991919,0cyclictest0-21swapper/109:39:291
21548991917,1cyclictest31396-21apache210:18:351
21548991910,9cyclictest0-21swapper/111:21:491
21548991910,5cyclictest0-21swapper/107:48:301
21548991910,5cyclictest0-21swapper/107:28:331
21548991910,5cyclictest0-21swapper/107:13:331
2154799191,9cyclictest0-21swapper/007:23:340
21547991915,3cyclictest31396-21apache211:12:120
21547991911,1cyclictest100150irq/106-eth1-rx10:38:420
21547991910,6cyclictest0-21swapper/011:18:580
21547991910,5cyclictest0-21swapper/009:19:030
2154799190,11cyclictest0-21swapper/011:43:360
2439421810,0sleep00-21swapper/009:34:430
2304221810,0sleep00-21swapper/007:10:340
2154899184,11cyclictest0-21swapper/112:28:321
2154899183,10cyclictest0-21swapper/108:48:331
2154899182,9cyclictest0-21swapper/107:33:311
2154899182,9cyclictest0-21swapper/107:33:311
2154899182,4cyclictest0-21swapper/109:48:311
2154899182,12cyclictest0-21swapper/108:38:391
21548991811,4cyclictest13573-21ls08:08:381
21548991810,2cyclictest0-21swapper/108:03:371
2154899180,2cyclictest0-21swapper/112:37:541
21547991810,4cyclictest0-21swapper/011:59:570
21547991810,4cyclictest0-21swapper/008:03:180
21547991810,2cyclictest0-21swapper/008:13:350
21547991810,0cyclictest0-21swapper/010:15:070
231221710,1sleep10-21swapper/107:38:511
21548991710,4cyclictest0-21swapper/110:48:411
21548991710,1cyclictest0-21swapper/111:26:161
21548991710,1cyclictest0-21swapper/108:53:331
2154799177,6cyclictest773-21sshd07:56:050
2154799177,3cyclictest28593-21ntp_kernel_pll_08:48:350
2154799172,9cyclictest0-21swapper/009:08:350
21547991711,1cyclictest0-21swapper/008:03:350
21547991710,4cyclictest0-21swapper/008:43:310
21547991710,4cyclictest0-21swapper/007:47:180
21547991710,2cyclictest0-21swapper/007:28:320
21547991710,0cyclictest0-21swapper/008:22:210
2154799170,16cyclictest0-21swapper/010:18:380
212022179,0sleep10-21swapper/109:31:101
2154899162,11cyclictest0-21swapper/108:43:321
2154799165,4cyclictest28172-21ssh10:23:290
2154799165,3cyclictest32743-21/usr/sbin/munin08:58:390
21547991615,1cyclictest14630-21ssh10:48:300
21547991610,2cyclictest0-21swapper/009:03:380
21547991510,5cyclictest0-21swapper/008:38:430
21547991510,3cyclictest0-21swapper/007:48:380
21547991510,3cyclictest0-21swapper/007:22:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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