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2026-06-24 - 05:53
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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 376 highest latencies:
System rackcslot2.osadl.org (updated Wed Jun 24, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90472780,0sleep00-21swapper/023:03:480
650826856,8sleep10-21swapper/119:07:101
638426754,8sleep00-21swapper/019:05:500
6831994410,33cyclictest0-21swapper/120:08:481
6831994410,33cyclictest0-21swapper/120:08:481
6831994310,32cyclictest0-21swapper/123:10:371
6831994210,31cyclictest0-21swapper/123:29:221
6831994210,31cyclictest0-21swapper/122:58:531
6831994210,31cyclictest0-21swapper/119:38:521
6831994110,30cyclictest0-21swapper/121:23:561
6831994110,30cyclictest0-21swapper/121:13:491
6831994110,30cyclictest0-21swapper/100:07:441
6831994110,29cyclictest0-21swapper/122:09:251
6831994010,7cyclictest0-21swapper/123:42:341
6831994010,30cyclictest0-21swapper/122:14:071
6831994010,29cyclictest0-21swapper/123:05:381
6831994010,29cyclictest0-21swapper/121:59:091
6831994010,29cyclictest0-21swapper/121:59:091
6831994010,29cyclictest0-21swapper/120:02:491
6831994010,29cyclictest0-21swapper/119:35:181
6831994010,29cyclictest0-21swapper/119:08:531
6831994010,29cyclictest0-21swapper/100:23:531
6831994010,29cyclictest0-21swapper/100:08:521
6831994010,28cyclictest0-21swapper/122:26:471
6831994010,27cyclictest0-21swapper/122:39:111
6831993910,29cyclictest0-21swapper/121:01:331
6831993910,28cyclictest0-21swapper/122:37:201
6831993910,28cyclictest0-21swapper/120:23:571
6831993910,27cyclictest0-21swapper/119:23:501
6831993810,28cyclictest0-21swapper/122:43:521
6831993810,27cyclictest0-21swapper/123:56:351
6831993810,27cyclictest0-21swapper/120:54:501
6831993810,27cyclictest0-21swapper/119:18:521
6831993810,27cyclictest0-21swapper/100:36:311
6831993810,27cyclictest0-21swapper/100:23:161
6831993810,26cyclictest0-21swapper/123:58:431
6831993710,27cyclictest0-21swapper/123:18:481
6831993710,27cyclictest0-21swapper/121:43:131
6831993710,26cyclictest0-21swapper/123:23:391
6831993710,26cyclictest0-21swapper/122:06:561
6831993710,26cyclictest0-21swapper/121:48:111
6831993710,26cyclictest0-21swapper/121:05:581
6831993710,26cyclictest0-21swapper/120:03:561
6831993710,26cyclictest0-21swapper/100:31:101
6831993710,26cyclictest0-21swapper/100:15:291
6831993710,25cyclictest0-21swapper/122:30:561
6831993611,25cyclictest0-21swapper/120:38:511
6831993610,26cyclictest0-21swapper/121:54:311
6831993610,25cyclictest0-21swapper/122:19:111
6831993610,25cyclictest0-21swapper/121:19:131
6831993510,24cyclictest0-21swapper/121:10:071
6831993510,21cyclictest0-21swapper/120:21:331
6831993510,21cyclictest0-21swapper/119:30:151
6831993411,21cyclictest0-21swapper/119:49:421
6831993410,23cyclictest0-21swapper/121:52:281
6831993410,23cyclictest0-21swapper/120:28:501
6831993410,20cyclictest0-21swapper/123:48:531
6831993310,23cyclictest0-21swapper/122:48:391
6831993310,22cyclictest0-21swapper/120:34:191
6831993310,20cyclictest8495-21ssh21:34:011
6831993210,22cyclictest0-21swapper/121:28:551
6831993210,22cyclictest0-21swapper/119:18:131
6831993210,21cyclictest0-21swapper/120:47:181
6830993232,0cyclictest0-21swapper/022:21:220
6831993110,20cyclictest0-21swapper/123:43:501
6831993110,20cyclictest0-21swapper/123:38:191
6831993110,20cyclictest0-21swapper/120:48:591
6831993110,19cyclictest0-21swapper/123:18:331
6830993131,0cyclictest0-21swapper/021:32:000
683199284,8cyclictest0-21swapper/119:53:481
683199273,22cyclictest2690-21processes22:53:581
6830992710,2cyclictest0-21swapper/023:57:330
6830992710,1cyclictest0-21swapper/023:13:580
6830992519,5cyclictest20101-21apache223:24:330
683099240,19cyclictest0-21swapper/023:45:380
683099236,16cyclictest0-21swapper/021:25:100
683099233,19cyclictest0-21swapper/020:58:560
6830992323,0cyclictest0-21swapper/000:03:160
6830992320,2cyclictest20101-21apache223:48:460
6830992318,4cyclictest20127-21apache223:40:400
6830992311,7cyclictest0-21swapper/020:27:490
6830992310,8cyclictest0-21swapper/022:56:020
683099230,17cyclictest0-21swapper/000:21:460
6831992210,12cyclictest0-21swapper/119:44:411
6830992217,3cyclictest0-21swapper/019:25:340
6830992212,6cyclictest81ktimersoftd/020:38:520
6830992212,6cyclictest0-21swapper/023:00:490
683099220,9cyclictest0-21swapper/000:14:140
683099220,15cyclictest31945-21runrttasks22:05:420
6830992112,5cyclictest100250irq/107-eth1-rx23:34:410
6830992112,3cyclictest8212-21ntp_kernel_pll_21:33:580
683099211,19cyclictest0-21swapper/022:24:280
683099211,19cyclictest0-21swapper/021:42:540
6830992111,7cyclictest0-21swapper/000:11:040
6830992110,7cyclictest0-21swapper/022:30:440
6830992110,4cyclictest0-21swapper/021:43:490
683099210,1cyclictest0-21swapper/000:28:410
6831992010,6cyclictest0-21swapper/120:13:521
683099207,6cyclictest0-21swapper/022:03:120
683099207,6cyclictest0-21swapper/022:03:120
6830992020,0cyclictest20479-21diskmemload22:18:260
6830992017,2cyclictest27075-21fschecks_time22:43:490
683099201,18cyclictest0-21swapper/023:13:250
6830992011,6cyclictest23217-21mailstats19:48:540
6830992011,3cyclictest100250irq/107-eth1-rx21:09:400
6830992010,5cyclictest0-21swapper/023:18:430
6830992010,3cyclictest0-21swapper/021:18:490
2959922010,0sleep00-21swapper/023:30:400
94621910,0sleep00-21swapper/020:16:090
6830991917,1cyclictest11497-21runrttasks00:34:560
6830991914,3cyclictest20127-21apache200:05:170
6830991913,3cyclictest802-21apache222:41:150
6830991910,5cyclictest0-21swapper/019:18:470
6830991910,4cyclictest0-21swapper/020:43:480
6830991910,4cyclictest0-21swapper/019:54:540
6830991910,3cyclictest0-21swapper/021:53:540
683099190,14cyclictest0-21swapper/020:58:010
2152021910,0sleep00-21swapper/021:52:180
683099185,8cyclictest0-21swapper/022:48:560
6830991814,2cyclictest20127-21apache200:25:450
6830991811,4cyclictest16859-21munin-node19:30:340
6830991810,3cyclictest0-21swapper/021:03:480
6830991810,3cyclictest0-21swapper/019:38:480
683099173,10cyclictest0-21swapper/020:03:570
683099171,15cyclictest0-21swapper/022:34:320
6830991710,3cyclictest0-21swapper/019:13:540
683099164,8cyclictest27297-21ls19:59:060
6830991613,1cyclictest7-21ksoftirqd/019:33:560
6830991611,2cyclictest100150irq/106-eth1-rx20:28:540
6830991610,3cyclictest0-21swapper/019:43:480
6830991610,2cyclictest0-21swapper/022:08:420
6830991610,2cyclictest0-21swapper/021:13:490
6830991610,2cyclictest0-21swapper/020:48:530
683099154,10cyclictest0-21swapper/020:18:500
6830991510,2cyclictest0-21swapper/019:08:480
683099150,8cyclictest0-21swapper/020:08:560
683099150,8cyclictest0-21swapper/020:08:560
683099141,4cyclictest7913-21/usr/sbin/munin20:33:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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