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2026-04-28 - 20:56
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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 Apr 28, 2026 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3091327057,8sleep10-21swapper/107:07:081
3067926451,8sleep00-21swapper/007:04:390
221282530,0sleep00-21swapper/009:19:200
31285993611,3cyclictest0-21swapper/111:40:321
31285993010,20cyclictest0-21swapper/109:14:461
3128499290,17cyclictest0-21swapper/012:33:060
31285992824,4cyclictest0-21swapper/108:40:051
3128499280,22cyclictest0-21swapper/011:37:270
3128499280,21cyclictest0-21swapper/010:32:190
186632280,1sleep00-21swapper/011:19:190
31285992721,5cyclictest8811-21apache208:50:201
31285992710,0cyclictest0-21swapper/112:37:311
31284992710,10cyclictest0-21swapper/010:51:450
31285992620,5cyclictest8811-21apache212:06:441
31285992618,4cyclictest8784-21apache209:41:351
3128599260,2cyclictest0-21swapper/112:23:581
31284992610,7cyclictest0-21swapper/011:49:070
31284992510,5cyclictest0-21swapper/011:26:260
31284992510,2cyclictest0-21swapper/011:58:060
31285992422,1cyclictest0-21swapper/109:32:261
3128599241,2cyclictest0-21swapper/110:44:391
3128599241,14cyclictest0-21swapper/109:23:541
3128599240,2cyclictest0-21swapper/107:40:171
3128499241,3cyclictest6950-21ssh10:22:490
31284992410,6cyclictest0-21swapper/011:05:160
31284992410,6cyclictest0-21swapper/010:46:060
31284992410,5cyclictest0-21swapper/010:35:310
3128599235,11cyclictest0-21swapper/112:14:181
31285992321,1cyclictest25945-21/usr/sbin/munin11:29:201
31285992317,2cyclictest0-21swapper/110:34:231
31285992310,1cyclictest0-21swapper/110:25:491
3128599230,20cyclictest0-21swapper/111:09:131
31284992321,1cyclictest8784-21apache209:31:160
31284992318,4cyclictest8811-21apache211:14:360
31284992315,5cyclictest31703-21ssh10:13:380
3128499230,22cyclictest0-21swapper/010:15:260
3128499230,0cyclictest0-21swapper/007:35:470
3128599225,12cyclictest0-21swapper/107:14:161
31285992220,1cyclictest28773-21awk08:24:211
31285992218,2cyclictest19003-21ssh09:56:431
31285992216,1cyclictest0-21swapper/112:31:311
31285992215,4cyclictest802-21apache211:54:441
31285992211,9cyclictest0-21swapper/110:31:031
31285992210,6cyclictest0-21swapper/111:34:261
3128499224,6cyclictest0-21swapper/008:59:210
31284992220,1cyclictest636-21nscd10:56:350
31284992211,6cyclictest0-21swapper/008:42:140
31284992210,8cyclictest0-21swapper/012:07:360
31284992210,7cyclictest6263-21runrttasks07:27:180
31284992210,6cyclictest0-21swapper/009:09:320
31284992210,4cyclictest0-21swapper/009:24:380
3128599215,9cyclictest0-21swapper/112:09:141
3128599214,14cyclictest0-21swapper/107:24:151
31285992118,3cyclictest744-21snmpd08:54:191
31285992117,3cyclictest26759-21kworker/1:208:46:521
31285992114,2cyclictest0-21swapper/110:03:151
31285992110,6cyclictest0-21swapper/109:45:441
3128499213,17cyclictest0-21swapper/009:44:190
31284992119,2cyclictest802-21apache207:13:530
31284992111,9cyclictest0-21swapper/011:43:010
31284992110,6cyclictest0-21swapper/012:26:370
31284992110,6cyclictest0-21swapper/010:02:290
31284992110,4cyclictest0-21swapper/011:45:020
1068522110,0sleep00-21swapper/010:27:420
3128599204,8cyclictest0-21swapper/109:24:241
3128599204,12cyclictest0-21swapper/109:54:031
3128599204,11cyclictest0-21swapper/111:59:261
3128599203,7cyclictest599-21avahi-daemon11:05:551
3128599202,11cyclictest0-21swapper/110:54:251
31285992015,5cyclictest0-21swapper/110:10:331
31285992010,7cyclictest0-21swapper/111:01:261
31285992010,5cyclictest0-21swapper/109:35:101
31285992010,5cyclictest0-21swapper/107:19:251
31285992010,4cyclictest0-21swapper/108:04:201
31285992010,3cyclictest0-21swapper/111:14:181
31285992010,2cyclictest0-21swapper/110:50:401
3128599200,6cyclictest0-21swapper/109:04:171
3128499209,6cyclictest0-21swapper/007:14:190
31284992020,0cyclictest0-21swapper/008:22:590
31284992016,1cyclictest12817-21diskmemload09:39:580
31284992011,4cyclictest100250irq/107-eth1-rx12:19:130
31284992010,6cyclictest0-21swapper/009:14:170
3128599196,12cyclictest0-21swapper/108:34:161
31285991919,0cyclictest0-21swapper/108:15:481
31285991910,5cyclictest0-21swapper/109:09:151
3128599190,12cyclictest0-21swapper/111:19:241
3128499197,5cyclictest12817-21diskmemload10:05:180
3128499196,11cyclictest0-21swapper/008:14:140
3128499195,7cyclictest0-21swapper/012:34:210
3128499193,6cyclictest0-21swapper/008:29:160
31284991910,4cyclictest0-21swapper/012:17:010
31284991910,3cyclictest0-21swapper/009:49:150
31284991910,3cyclictest0-21swapper/009:04:170
2648921910,0sleep10-21swapper/110:05:411
1106021910,1sleep10-21swapper/111:50:441
3128599188,7cyclictest27257-21ls08:19:241
3128599185,8cyclictest0-21swapper/111:44:201
31285991812,4cyclictest8784-21apache209:03:291
31285991812,1cyclictest0-21swapper/107:31:371
31285991810,8cyclictest0-21swapper/107:53:171
31285991810,8cyclictest0-21swapper/107:45:471
31285991810,4cyclictest0-21swapper/110:19:141
31285991810,2cyclictest0-21swapper/107:54:171
3128499184,8cyclictest24053-21awk08:14:040
31284991818,0cyclictest0-21swapper/008:05:320
3128499181,10cyclictest0-21swapper/010:59:160
31284991810,3cyclictest0-21swapper/008:24:240
31284991810,3cyclictest0-21swapper/007:44:150
3128499180,6cyclictest0-21swapper/009:38:290
100621810,0sleep00-21swapper/008:36:520
3128599177,4cyclictest650-21nscd10:39:291
31285991710,7cyclictest0-21swapper/111:24:251
31285991710,3cyclictest0-21swapper/112:24:161
31285991710,1cyclictest0-21swapper/108:33:571
3128499179,2cyclictest0-21swapper/009:54:130
31284991717,0cyclictest0-21swapper/012:03:360
31284991712,1cyclictest0-21swapper/007:22:440
31284991710,3cyclictest0-21swapper/012:09:200
31284991710,1cyclictest0-21swapper/010:39:200
31285991616,0cyclictest1610-21ssh10:15:141
31285991615,1cyclictest9879-21sensors_temp07:34:241
31285991610,4cyclictest0-21swapper/107:59:261
31285991610,3cyclictest0-21swapper/107:09:181
3128499169,3cyclictest81ktimersoftd/011:29:170
3128499167,4cyclictest0-21swapper/011:09:140
3128499166,4cyclictest1199-21runrttasks07:53:390
31284991610,4cyclictest0-21swapper/008:44:180
31284991610,4cyclictest0-21swapper/007:59:160
31284991610,0cyclictest0-21swapper/008:50:310
3128499160,7cyclictest0-21swapper/007:39:230
2373721610,0sleep10-21swapper/108:11:061
3128499158,5cyclictest17216-21ls07:54:190
3128499152,6cyclictest7978-21awk07:29:270
3128499152,3cyclictest8977-21latency_hist08:59:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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