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2026-04-25 - 14:19
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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 Apr 25, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1427528035,40sleep00-21swapper/019:07:530
1410827049,16sleep10-21swapper/119:06:091
14570994310,3cyclictest100250irq/107-eth1-rx00:24:411
14570994010,6cyclictest0-21swapper/122:24:181
59672380,0sleep00-21swapper/022:01:290
14570993710,26cyclictest0-21swapper/123:04:031
14570993710,26cyclictest0-21swapper/100:34:371
14570993510,24cyclictest0-21swapper/122:42:211
1457099350,3cyclictest20066-21memory22:19:201
14570993410,23cyclictest0-21swapper/121:46:571
1457099340,2cyclictest0-21swapper/120:09:061
1457099312,4cyclictest0-21swapper/123:24:181
14569993110,20cyclictest0-21swapper/021:12:270
1457099306,23cyclictest0-21swapper/121:24:081
1457099301,4cyclictest18860-21grep20:44:191
14570993010,19cyclictest0-21swapper/100:19:231
1457099292,9cyclictest0-21swapper/123:09:191
1457099291,6cyclictest12662-21ssh21:29:211
14570992814,13cyclictest231ktimersoftd/122:59:051
1457099281,3cyclictest1199-21runrttasks21:59:351
14570992725,1cyclictest0-21swapper/119:35:391
1457099270,4cyclictest0-21swapper/123:45:351
1456999270,0cyclictest0-21swapper/023:09:530
1457099268,4cyclictest636-21nscd00:30:271
1457099264,9cyclictest28191-21dump-pmu-power21:09:051
1457099264,5cyclictest0-21swapper/119:39:161
14570992614,10cyclictest14634-21apache221:12:341
14570992610,11cyclictest0-21swapper/122:09:251
14569992610,6cyclictest0-21swapper/020:09:230
1457099255,19cyclictest636-21nscd23:15:401
1457099252,4cyclictest18574-21ssh21:36:301
1457099251,2cyclictest22325-21apache_volume19:29:161
1456999257,16cyclictest26309-21kworker/u4:121:46:540
14569992519,5cyclictest15076-21ssh23:34:370
14569992519,5cyclictest15076-21ssh23:34:370
14569992510,7cyclictest0-21swapper/023:29:100
14569992510,1cyclictest0-21swapper/022:11:380
14569992510,0cyclictest0-21swapper/000:22:100
1457099242,8cyclictest25311-21/usr/sbin/munin23:49:261
1457099241,6cyclictest0-21swapper/123:29:221
14570992410,6cyclictest14634-21apache219:46:161
1457099240,7cyclictest0-21swapper/121:53:351
1457099240,7cyclictest0-21swapper/121:53:351
1456999243,20cyclictest0-21swapper/022:25:390
14569992421,2cyclictest14634-21apache222:19:430
14569992419,2cyclictest7-21ksoftirqd/022:29:180
14569992410,6cyclictest0-21swapper/021:27:040
1457099235,11cyclictest100150irq/106-eth1-rx00:16:041
1457099233,5cyclictest0-21swapper/121:24:001
14570992310,11cyclictest0-21swapper/123:22:181
14569992320,2cyclictest22954-21ssh00:28:050
1456999231,2cyclictest0-21swapper/021:41:330
14569992310,9cyclictest0-21swapper/022:46:400
1456999230,10cyclictest0-21swapper/022:34:210
1457099225,5cyclictest0-21swapper/121:42:551
1457099222,7cyclictest0-21swapper/121:15:481
14570992210,2cyclictest0-21swapper/123:36:451
14570992210,2cyclictest0-21swapper/123:36:451
14570992210,12cyclictest0-21swapper/122:33:531
14569992221,1cyclictest14634-21apache221:23:580
14569992217,4cyclictest0-21swapper/023:01:470
14569992217,3cyclictest14567-21cyclictest21:58:490
14569992210,8cyclictest0-21swapper/019:09:160
14569992210,4cyclictest0-21swapper/022:14:500
14569992210,2cyclictest0-21swapper/023:20:210
14570992119,2cyclictest14650-21apache223:59:521
14570992117,3cyclictest0-21swapper/123:43:231
14570992111,4cyclictest0-21swapper/123:07:191
14570992110,9cyclictest0-21swapper/122:14:511
14570992110,8cyclictest0-21swapper/122:37:091
14570992110,4cyclictest0-21swapper/120:49:221
1456999212,11cyclictest0-21swapper/020:04:170
14569992121,0cyclictest0-21swapper/000:17:570
14569992118,2cyclictest0-21swapper/022:56:170
14569992110,6cyclictest0-21swapper/021:29:220
14569992110,6cyclictest0-21swapper/019:34:180
14569992110,5cyclictest0-21swapper/019:19:190
14569992110,4cyclictest0-21swapper/021:14:140
14569992110,4cyclictest0-21swapper/020:59:170
14569992110,3cyclictest0-21swapper/023:59:140
1456999210,4cyclictest0-21swapper/022:50:480
1457099205,14cyclictest0-21swapper/119:09:161
1457099204,10cyclictest0-21swapper/123:54:171
1457099203,5cyclictest0-21swapper/122:49:231
14570992020,0cyclictest231ktimersoftd/121:56:011
14570992017,3cyclictest0-21swapper/122:46:531
14570992010,6cyclictest0-21swapper/119:19:181
14570992010,5cyclictest0-21swapper/120:09:211
14570992010,4cyclictest0-21swapper/120:34:241
1457099200,4cyclictest0-21swapper/120:21:551
1456999204,13cyclictest0-21swapper/023:04:210
14569992017,2cyclictest28189-21diskmemload00:10:220
14569992016,1cyclictest14567-21cyclictest00:05:300
14569992012,3cyclictest27019-1kworker/u5:023:50:290
14569992010,5cyclictest0-21swapper/022:04:580
14569992010,3cyclictest0-21swapper/023:24:210
14569992010,3cyclictest0-21swapper/019:49:180
14569992010,10cyclictest0-21swapper/021:50:440
14569992010,10cyclictest0-21swapper/021:50:440
1457099196,9cyclictest0-21swapper/119:50:311
1457099195,8cyclictest0-21swapper/120:39:161
14570991910,5cyclictest0-21swapper/100:04:581
14570991910,3cyclictest0-21swapper/120:59:161
1456999191,9cyclictest0-21swapper/022:39:170
14569991911,5cyclictest0-21swapper/000:38:250
14569991910,5cyclictest0-21swapper/020:34:220
14569991910,3cyclictest0-21swapper/023:14:120
14569991910,3cyclictest0-21swapper/020:52:170
14569991910,3cyclictest0-21swapper/020:29:250
14569991910,3cyclictest0-21swapper/019:29:220
14569991910,1cyclictest0-21swapper/020:39:180
1456999190,19cyclictest0-21swapper/019:40:240
1456999190,13cyclictest0-21swapper/023:39:100
14570991810,4cyclictest0-21swapper/120:14:521
14570991810,3cyclictest0-21swapper/100:09:361
1456999187,10cyclictest0-21swapper/023:44:180
14569991814,3cyclictest280792sleep019:44:190
14569991811,3cyclictest0-21swapper/020:24:230
14569991810,4cyclictest0-21swapper/019:15:370
14569991810,2cyclictest0-21swapper/023:55:250
14569991810,2cyclictest0-21swapper/000:30:260
14569991810,1cyclictest0-21swapper/019:59:200
14569991810,0cyclictest0-21swapper/021:36:470
1457099175,6cyclictest0-21swapper/122:04:261
1457099174,8cyclictest18355-21sendmail-msp19:19:051
14570991717,0cyclictest21586-21ls19:24:251
1457099170,9cyclictest0-21swapper/120:29:171
14569991717,0cyclictest0-21swapper/020:58:230
14569991710,3cyclictest0-21swapper/020:44:200
1456999170,8cyclictest0-21swapper/020:14:220
1457099165,8cyclictest0-21swapper/119:59:161
1457099164,10cyclictest0-21swapper/120:54:191
1457099163,11cyclictest0-21swapper/120:24:251
14570991610,3cyclictest0-21swapper/119:58:361
1456999162,5cyclictest27712-21/usr/sbin/munin21:04:250
14569991610,1cyclictest0-21swapper/019:57:580
1456999155,5cyclictest0-21swapper/019:24:200
14569991510,5cyclictest0-21swapper/020:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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