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2026-06-28 - 09:47
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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 Sun Jun 28, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2646927551,20sleep00-21swapper/019:06:470
2622026950,15sleep10-21swapper/119:04:101
125462680,0sleep10-21swapper/122:41:141
155842660,1sleep015583-21unixbench_singl23:28:540
183922640,0sleep10-21swapper/100:21:021
26823993939,0cyclictest0-21swapper/100:04:141
26823993433,1cyclictest0-21swapper/119:42:371
26823993110,1cyclictest0-21swapper/123:04:261
26823992815,6cyclictest22170-21apache222:58:541
26823992810,17cyclictest0-21swapper/120:06:521
2682399280,11cyclictest0-21swapper/100:33:441
26823992510,6cyclictest0-21swapper/100:13:491
26822992510,7cyclictest0-21swapper/021:10:230
2682299250,1cyclictest0-21swapper/000:02:050
2682299250,19cyclictest0-21swapper/021:55:030
26823992420,3cyclictest0-21swapper/121:33:471
26822992418,5cyclictest22170-21apache223:07:030
26822992412,4cyclictest23268-21kworker/0:019:53:340
26822992410,0cyclictest0-21swapper/022:04:560
2682299240,11cyclictest0-21swapper/000:33:490
2682399234,14cyclictest0-21swapper/121:58:541
26823992321,1cyclictest0-21swapper/122:13:461
26823992315,5cyclictest22170-21apache221:42:381
26823992313,5cyclictest100250irq/107-eth1-rx21:14:221
26823992312,4cyclictest0-21swapper/123:42:381
26823992310,6cyclictest0-21swapper/119:48:461
26823992310,5cyclictest0-21swapper/121:27:421
2682399230,7cyclictest0-21swapper/123:53:431
26822992318,4cyclictest22170-21apache222:37:470
26822992310,6cyclictest0-21swapper/022:39:000
26822992310,5cyclictest0-21swapper/022:43:550
26822992310,3cyclictest0-21swapper/023:12:590
2682399225,8cyclictest0-21swapper/120:18:471
26823992210,7cyclictest0-21swapper/120:48:441
26823992210,5cyclictest0-21swapper/120:53:531
2682299225,12cyclictest0-21swapper/019:08:540
2682299224,12cyclictest0-21swapper/022:08:460
26822992221,1cyclictest22192-21apache220:08:310
26822992218,2cyclictest2079-21/usr/sbin/munin21:43:470
26822992212,3cyclictest17977-21ssh21:20:100
26822992211,4cyclictest81ktimersoftd/000:03:460
26822992210,8cyclictest0-21swapper/022:56:420
26822992210,8cyclictest0-21swapper/021:16:000
26822992210,5cyclictest0-21swapper/023:23:450
2682399216,9cyclictest0-21swapper/122:48:511
2682399215,12cyclictest0-21swapper/119:53:481
26823992117,3cyclictest22192-21apache222:46:191
26823992114,3cyclictest31259-21fschecks_time20:43:471
26823992114,3cyclictest22170-21apache221:51:041
26823992112,5cyclictest8015-21diskmemload00:28:501
26823992110,6cyclictest0-21swapper/119:08:561
26823992110,5cyclictest0-21swapper/123:59:211
26823992110,5cyclictest0-21swapper/121:21:361
2682299218,4cyclictest636-21nscd23:48:460
2682299218,10cyclictest0-21swapper/020:58:450
2682299212,12cyclictest28294-21munin-run23:03:340
26822992119,1cyclictest17676-21forks22:48:480
26822992111,7cyclictest697-21fschecks_count20:48:450
26822992111,5cyclictest0-21swapper/021:28:450
26822992110,6cyclictest0-21swapper/022:17:170
26822992110,5cyclictest0-21swapper/023:54:490
26822992110,5cyclictest0-21swapper/021:36:130
26822992110,1cyclictest0-21swapper/021:52:160
2181422110,3sleep10-21swapper/100:27:581
2682399204,13cyclictest0-21swapper/122:28:471
2682399203,10cyclictest0-21swapper/121:08:441
26823992019,1cyclictest0-21swapper/119:33:561
26823992010,6cyclictest14782-21ls19:58:531
26823992010,6cyclictest0-21swapper/121:29:051
26823992010,3cyclictest0-21swapper/121:43:551
2682399200,3cyclictest0-21swapper/122:25:381
2682299202,16cyclictest4598-21/usr/sbin/munin23:13:540
26822992018,1cyclictest0-21swapper/020:08:510
26822992016,3cyclictest802-21apache222:01:080
26822992010,5cyclictest0-21swapper/020:41:470
26822992010,4cyclictest0-21swapper/020:55:520
26822992010,4cyclictest0-21swapper/019:23:500
26822992010,2cyclictest0-21swapper/023:39:100
2682299200,9cyclictest0-21swapper/022:23:470
2682299200,9cyclictest0-21swapper/019:33:500
1953322010,0sleep10-21swapper/123:34:391
2682399194,6cyclictest0-21swapper/119:18:451
2682399193,10cyclictest0-21swapper/121:53:491
26823991918,1cyclictest802-21apache222:04:111
26823991914,1cyclictest0-21swapper/123:23:451
26823991910,5cyclictest8015-21diskmemload23:30:501
26823991910,4cyclictest0-21swapper/123:49:081
26823991910,4cyclictest0-21swapper/122:08:421
26823991910,2cyclictest0-21swapper/120:38:521
26823991910,0cyclictest0-21swapper/123:22:171
2682299195,5cyclictest32006-21ls21:38:540
2682299194,6cyclictest0-21swapper/000:23:520
2682299194,5cyclictest15406-21cron20:03:340
2682299192,15cyclictest0-21swapper/022:18:510
26822991918,1cyclictest100250irq/107-eth1-rx22:29:120
26822991912,4cyclictest22192-21apache219:48:290
26822991910,6cyclictest0-21swapper/023:20:210
26822991910,5cyclictest0-21swapper/023:33:370
26822991910,5cyclictest0-21swapper/019:48:440
26822991910,4cyclictest0-21swapper/021:08:000
26822991910,2cyclictest0-21swapper/020:33:530
2682299190,12cyclictest0-21swapper/020:18:520
182942196,0sleep00-21swapper/000:20:420
2682399185,8cyclictest0-21swapper/120:58:531
2682399184,7cyclictest0-21swapper/122:19:501
2682399184,13cyclictest0-21swapper/123:13:451
2682399183,7cyclictest0-21swapper/120:08:461
26823991817,1cyclictest22170-21apache220:27:031
2682399181,13cyclictest0-21swapper/121:03:461
26823991810,5cyclictest0-21swapper/120:33:451
26823991810,4cyclictest0-21swapper/119:43:381
26823991810,3cyclictest0-21swapper/123:44:591
26823991810,3cyclictest0-21swapper/120:13:451
26823991810,3cyclictest0-21swapper/100:12:311
26823991810,2cyclictest0-21swapper/122:36:441
26823991810,1cyclictest0-21swapper/122:53:541
26823991810,1cyclictest0-21swapper/120:28:451
2682399180,17cyclictest0-21swapper/119:17:191
2682299185,5cyclictest25559-21/usr/sbin/munin20:28:480
26822991812,3cyclictest0-21swapper/019:38:460
26822991811,4cyclictest0-21swapper/000:08:490
26822991810,3cyclictest0-21swapper/019:13:480
26822991810,2cyclictest0-21swapper/020:43:480
26822991810,2cyclictest0-21swapper/000:31:380
26822991810,1cyclictest0-21swapper/021:24:400
2682299180,10cyclictest0-21swapper/023:43:480
2682399170,6cyclictest0-21swapper/123:08:541
2682299173,10cyclictest0-21swapper/019:18:500
2083721710,0sleep00-21swapper/020:15:270
2682399165,10cyclictest2140-21apache_processe19:28:431
2682299166,7cyclictest0-21swapper/000:13:500
26822991610,0cyclictest0-21swapper/020:26:130
2682399152,9cyclictest0-21swapper/119:23:551
26822991310,2cyclictest0-21swapper/019:28:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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