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2026-08-29 - 09:04
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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 Sat Aug 29, 2026 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
865527361,7sleep10-21swapper/119:05:311
884327048,18sleep00-21swapper/019:07:290
9077993810,27cyclictest0-21swapper/123:09:441
907699290,1cyclictest0-21swapper/023:22:270
9076992810,18cyclictest0-21swapper/019:57:090
9077992726,1cyclictest0-21swapper/119:43:311
9077992725,1cyclictest231ktimersoftd/123:48:211
9076992725,1cyclictest81ktimersoftd/021:48:140
9076992710,12cyclictest0-21swapper/023:26:450
9077992520,4cyclictest14863-21/usr/sbin/munin19:23:181
9077992510,9cyclictest0-21swapper/121:19:311
9077992510,13cyclictest0-21swapper/123:01:401
9076992512,10cyclictest0-21swapper/020:12:090
9076992510,8cyclictest0-21swapper/023:14:080
907799249,10cyclictest24214-21kworker/u4:021:54:561
907799242,21cyclictest10609-21kworker/1:123:07:551
9077992410,8cyclictest0-21swapper/121:38:111
9077992410,8cyclictest0-21swapper/120:06:151
907799240,7cyclictest17415-21kworker/u4:222:37:131
9076992423,1cyclictest802-21apache200:07:550
907699240,19cyclictest0-21swapper/023:44:560
907799233,9cyclictest3333-21/usr/sbin/munin00:33:191
9077992323,0cyclictest0-21swapper/122:23:241
907799231,21cyclictest0-21swapper/121:30:091
9077992310,11cyclictest0-21swapper/100:24:581
907699234,19cyclictest0-21swapper/021:01:070
907699234,12cyclictest0-21swapper/021:33:200
9076992321,1cyclictest0-21swapper/022:24:500
9076992318,4cyclictest802-21apache200:17:570
9076992315,5cyclictest24479-21snmpd20:02:360
9076992314,7cyclictest28782-21idleruntime-cro22:03:020
907799225,13cyclictest0-21swapper/121:03:131
9077992215,4cyclictest22645-21diskmemload00:14:161
9077992210,3cyclictest0-21swapper/122:03:021
9076992221,1cyclictest0-21swapper/019:09:480
9076992218,2cyclictest636-21nscd23:38:360
9076992217,4cyclictest32693-21apache200:25:050
9076992211,6cyclictest0-21swapper/020:13:210
9076992210,9cyclictest0-21swapper/000:11:420
9076992210,4cyclictest0-21swapper/023:08:100
907799214,10cyclictest0-21swapper/119:28:141
907799213,8cyclictest0-21swapper/121:23:061
907799213,5cyclictest29528-21cron23:38:011
9077992117,0cyclictest0-21swapper/122:08:101
9077992116,4cyclictest18419-21ssh00:08:181
907799211,15cyclictest0-21swapper/121:46:031
9077992110,6cyclictest0-21swapper/121:08:131
9077992110,6cyclictest0-21swapper/120:17:081
9077992110,4cyclictest0-21swapper/122:07:431
9077992110,0cyclictest0-21swapper/123:15:091
907799210,5cyclictest0-21swapper/122:39:341
907699212,5cyclictest0-21swapper/023:01:240
9076992117,1cyclictest81ktimersoftd/022:41:130
9076992110,9cyclictest0-21swapper/000:33:180
9076992110,5cyclictest0-21swapper/021:13:180
9076992110,4cyclictest0-21swapper/020:53:250
9076992110,3cyclictest0-21swapper/022:55:490
9076992110,1cyclictest0-21swapper/023:31:370
907699210,3cyclictest0-21swapper/021:46:460
1310022110,0sleep10-21swapper/123:59:531
907799204,11cyclictest0-21swapper/120:08:151
9077992018,1cyclictest231ktimersoftd/121:33:221
9077992014,5cyclictest100150irq/106-eth1-rx20:49:081
907799200,1cyclictest0-21swapper/123:54:271
907699204,12cyclictest0-21swapper/020:43:120
907699203,9cyclictest0-21swapper/021:54:240
907699202,14cyclictest0-21swapper/019:48:190
9076992020,0cyclictest0-21swapper/023:07:200
9076992016,2cyclictest32693-21apache221:30:320
9076992010,7cyclictest0-21swapper/022:36:020
9076992010,2cyclictest0-21swapper/022:47:010
907699200,19cyclictest0-21swapper/021:24:300
1691822010,0sleep10-21swapper/100:05:461
1661922010,0sleep10-21swapper/122:31:351
907799194,1cyclictest0-21swapper/121:49:021
907799194,12cyclictest0-21swapper/119:53:141
907799193,9cyclictest0-21swapper/100:28:121
9077991910,2cyclictest0-21swapper/119:38:121
9077991910,1cyclictest0-21swapper/122:46:051
907699195,8cyclictest0-21swapper/022:28:210
907699193,9cyclictest0-21swapper/021:03:210
907699193,10cyclictest0-21swapper/021:08:150
9076991917,1cyclictest31269-21ls20:03:190
9076991916,1cyclictest81ktimersoftd/022:20:050
9076991910,8cyclictest0-21swapper/023:53:310
9076991910,4cyclictest0-21swapper/020:28:180
9076991910,1cyclictest81ktimersoftd/023:48:210
907699190,18cyclictest0-21swapper/022:14:210
504021910,0sleep00-21swapper/020:19:380
1998121910,0sleep10-21swapper/119:33:241
907799184,6cyclictest0-21swapper/119:13:221
907799182,12cyclictest0-21swapper/123:38:121
9077991817,0cyclictest0-21swapper/120:58:211
9077991812,5cyclictest0-21swapper/123:22:341
907799181,17cyclictest0-21swapper/122:16:311
9077991810,6cyclictest0-21swapper/123:28:201
9077991810,6cyclictest0-21swapper/119:08:121
9077991810,3cyclictest0-21swapper/120:43:181
9077991810,2cyclictest0-21swapper/122:48:091
9077991810,2cyclictest0-21swapper/121:13:131
9077991810,2cyclictest0-21swapper/120:38:171
907799180,12cyclictest0-21swapper/122:18:121
907699185,11cyclictest0-21swapper/000:18:130
907699182,10cyclictest0-21swapper/023:33:190
9076991810,7cyclictest0-21swapper/022:03:050
9076991810,4cyclictest0-21swapper/019:28:030
9076991810,1cyclictest0-21swapper/019:18:190
2218721810,0sleep10-21swapper/123:27:081
907799173,4cyclictest0-21swapper/120:53:151
907799172,9cyclictest0-21swapper/120:18:151
9077991717,0cyclictest231ktimersoftd/120:23:171
9077991712,5cyclictest0-21swapper/100:22:141
9077991712,4cyclictest22645-21diskmemload23:43:131
9077991710,2cyclictest0-21swapper/122:55:281
9077991710,2cyclictest0-21swapper/120:33:151
907699174,7cyclictest0-21swapper/019:23:130
907699172,9cyclictest0-21swapper/020:38:150
9076991715,1cyclictest100150irq/106-eth1-rx23:58:470
9076991710,6cyclictest0-21swapper/020:25:430
9076991710,5cyclictest17396-21kworker/0:019:35:040
9076991710,5cyclictest0-21swapper/022:48:210
9076991710,5cyclictest0-21swapper/019:13:170
9076991710,4cyclictest0-21swapper/020:48:150
9076991710,3cyclictest0-21swapper/019:43:130
907799166,8cyclictest0-21swapper/119:48:181
907799161,8cyclictest0-21swapper/119:58:211
9076991612,0cyclictest10055-21ls20:33:170
9076991610,3cyclictest0-21swapper/022:12:060
9076991610,3cyclictest0-21swapper/019:38:120
9076991610,2cyclictest0-21swapper/000:29:380
9076991610,0cyclictest0-21swapper/021:18:550
907799152,8cyclictest0-21swapper/119:18:131
9077991510,2cyclictest0-21swapper/120:28:131
9076991510,5cyclictest0-21swapper/021:38:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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