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2026-08-15 - 00:31
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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 Fri Aug 14, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
991726956,8sleep10-21swapper/107:04:571
1017826956,8sleep00-21swapper/007:07:410
290692680,0sleep00-21swapper/011:29:210
10404993210,17cyclictest0-21swapper/012:21:080
10404993021,9cyclictest0-21swapper/010:35:120
1040599281,21cyclictest0-21swapper/111:14:451
10404992815,7cyclictest0-21swapper/012:37:400
10405992727,0cyclictest0-21swapper/110:41:341
10404992610,9cyclictest20226-21apache210:38:200
10404992610,1cyclictest0-21swapper/010:19:100
10404992610,0cyclictest0-21swapper/010:12:390
1040599252,5cyclictest17498-21apache_accesses09:43:211
1040599252,5cyclictest17498-21apache_accesses09:43:211
10404992510,6cyclictest0-21swapper/009:59:590
10404992510,0cyclictest0-21swapper/008:53:260
1040499250,0cyclictest0-21swapper/010:16:570
10405992410,3cyclictest0-21swapper/110:13:391
1040499244,16cyclictest0-21swapper/009:28:440
10404992422,1cyclictest0-21swapper/008:06:370
1040499242,19cyclictest0-21swapper/007:13:300
10404992416,7cyclictest0-21swapper/007:19:580
10404992410,8cyclictest0-21swapper/008:48:200
1040499240,12cyclictest13760-21irqstats11:08:240
10405992321,1cyclictest21066-21hddtemp_smartct10:33:221
10405992310,7cyclictest0-21swapper/110:22:211
10404992319,2cyclictest20249-21apache212:25:290
1040599227,8cyclictest0-21swapper/112:08:221
10405992212,2cyclictest0-21swapper/110:53:231
10405992210,7cyclictest0-21swapper/110:03:251
10405992210,6cyclictest0-21swapper/107:43:261
10405992210,4cyclictest0-21swapper/110:43:291
1040599220,11cyclictest0-21swapper/107:58:251
10404992216,4cyclictest10402-21cyclictest11:42:170
10404992212,5cyclictest0-21swapper/011:14:430
10404992211,2cyclictest0-21swapper/010:03:200
10404992211,1cyclictest20249-21apache210:57:070
10404992210,9cyclictest4589-21ssh09:23:530
10404992210,3cyclictest0-21swapper/009:38:280
1040499220,3cyclictest0-21swapper/009:17:450
1754922110,0sleep10-21swapper/111:58:351
1040599217,8cyclictest0-21swapper/108:43:221
1040599211,2cyclictest0-21swapper/111:50:541
10405992112,5cyclictest100250irq/107-eth1-rx11:54:451
1040599211,19cyclictest0-21swapper/112:20:491
10405992110,7cyclictest0-21swapper/111:40:071
10405992110,6cyclictest0-21swapper/108:23:261
10405992110,5cyclictest100250irq/107-eth1-rx09:29:151
1040499217,7cyclictest0-21swapper/012:08:200
1040499215,10cyclictest0-21swapper/007:33:250
10404992118,1cyclictest20249-21apache209:36:080
10404992116,5cyclictest17933-21munin-node08:09:230
10404992116,3cyclictest20249-21apache212:01:030
10404992114,5cyclictest0-21swapper/008:32:420
10404992113,5cyclictest0-21swapper/009:48:480
10404992110,5cyclictest0-21swapper/012:32:490
10404992110,4cyclictest0-21swapper/009:18:520
1040499210,1cyclictest14269-21pidof10:23:230
1040599207,4cyclictest0-21swapper/112:28:511
1040599205,8cyclictest0-21swapper/109:23:311
1040599203,9cyclictest0-21swapper/108:33:311
1040599202,10cyclictest0-21swapper/112:33:291
10405992020,0cyclictest0-21swapper/110:32:241
10405992017,1cyclictest10402-21cyclictest11:24:251
10405992010,7cyclictest0-21swapper/109:08:221
10405992010,5cyclictest0-21swapper/112:03:221
10405992010,5cyclictest0-21swapper/111:03:271
10405992010,3cyclictest0-21swapper/111:28:241
10405992010,3cyclictest0-21swapper/107:33:261
1040599200,8cyclictest0-21swapper/109:34:491
1040599200,14cyclictest0-21swapper/108:48:221
10404992019,0cyclictest0-21swapper/012:13:240
10404992010,7cyclictest26176-21kworker/0:211:19:290
10404992010,7cyclictest100150irq/106-eth1-rx09:56:540
10404992010,3cyclictest0-21swapper/011:01:010
10404992010,2cyclictest0-21swapper/011:53:110
1040599199,6cyclictest0-21swapper/107:48:261
1040599195,11cyclictest0-21swapper/107:28:301
1040599193,10cyclictest0-21swapper/109:03:271
10405991918,1cyclictest20226-21apache208:21:161
10405991917,1cyclictest0-21swapper/109:15:001
10405991916,3cyclictest0-21swapper/112:16:421
10405991913,5cyclictest636-21nscd10:52:071
10405991912,3cyclictest20249-21apache211:00:451
10405991911,3cyclictest0-21swapper/109:58:261
10405991910,7cyclictest0-21swapper/111:10:301
10405991910,7cyclictest0-21swapper/108:13:421
10405991910,5cyclictest0-21swapper/108:28:221
10405991910,4cyclictest0-21swapper/108:08:231
10405991910,2cyclictest0-21swapper/108:39:361
1040499195,9cyclictest0-21swapper/008:43:200
10404991919,0cyclictest0-21swapper/007:52:380
10404991915,2cyclictest20249-21apache211:48:280
10404991910,4cyclictest0-21swapper/011:04:100
10404991910,2cyclictest0-21swapper/010:44:150
10404991910,1cyclictest0-21swapper/009:03:560
10404991910,0cyclictest0-21swapper/010:31:430
1040499190,10cyclictest0-21swapper/011:33:280
1040599188,4cyclictest231ktimersoftd/112:23:211
1040599185,6cyclictest0-21swapper/109:53:261
1040599181,9cyclictest575-21/usr/sbin/munin09:18:281
10405991812,4cyclictest20249-21apache209:49:141
10405991810,5cyclictest0-21swapper/107:23:231
10405991810,5cyclictest0-21swapper/107:13:211
10405991810,3cyclictest0-21swapper/111:33:191
10405991810,3cyclictest0-21swapper/108:04:011
1040499184,5cyclictest0-21swapper/011:43:210
1040499184,10cyclictest0-21swapper/009:08:210
10404991817,1cyclictest585-21gmain08:18:110
10404991814,2cyclictest20226-21apache209:45:150
10404991814,2cyclictest20226-21apache209:45:150
10404991811,5cyclictest770-21irqbalance08:27:200
10404991810,6cyclictest0-21swapper/012:03:240
10404991810,3cyclictest0-21swapper/010:51:040
10404991810,3cyclictest0-21swapper/007:28:440
10404991810,2cyclictest0-21swapper/007:43:240
2025321710,0sleep10-21swapper/108:56:261
1040599173,9cyclictest0-21swapper/107:40:341
1040599173,8cyclictest0-21swapper/108:58:291
10405991713,3cyclictest0-21swapper/110:11:161
10405991710,4cyclictest0-21swapper/107:08:381
10405991710,2cyclictest0-21swapper/107:18:261
1040499174,6cyclictest0-21swapper/007:58:220
1040499173,9cyclictest0-21swapper/007:57:340
1040499171,3cyclictest0-21swapper/011:24:100
10404991710,5cyclictest26176-21kworker/0:208:35:230
10404991710,4cyclictest0-21swapper/008:38:260
10404991710,2cyclictest0-21swapper/007:08:240
1040599167,8cyclictest0-21swapper/107:53:261
1040599165,6cyclictest0-21swapper/111:43:271
1040599161,2cyclictest0-21swapper/111:21:331
10405991610,3cyclictest0-21swapper/109:38:241
1040499164,9cyclictest0-21swapper/007:23:300
1040499163,9cyclictest0-21swapper/007:38:200
10404991612,4cyclictest0-21swapper/008:17:220
10404991610,4cyclictest0-21swapper/008:58:210
10405991410,1cyclictest0-21swapper/110:23:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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