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2026-06-26 - 07:31
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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 Jun 26, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1114522070,2sleep10-21swapper/119:03:511
39152710,0sleep10-21swapper/122:03:571
177032680,1sleep10-21swapper/122:23:481
127972680,0sleep10-21swapper/100:33:511
1218726756,7sleep00-21swapper/019:06:400
58152650,0sleep10-21swapper/122:51:371
307712620,0sleep00-21swapper/000:11:050
12549993211,20cyclictest0-21swapper/022:36:380
12550993128,2cyclictest0-21swapper/120:04:061
12549992910,19cyclictest0-21swapper/019:50:100
12549992910,19cyclictest0-21swapper/019:27:400
12550992827,0cyclictest0-21swapper/123:23:251
1255099278,18cyclictest0-21swapper/123:30:431
12549992725,1cyclictest15827-21ssh23:48:530
12549992710,5cyclictest0-21swapper/023:48:190
12549992710,0cyclictest0-21swapper/022:52:500
12550992610,9cyclictest0-21swapper/121:48:301
12550992610,6cyclictest0-21swapper/122:08:501
12549992610,0cyclictest0-21swapper/023:23:280
1255099259,16cyclictest0-21swapper/123:44:031
1255099258,16cyclictest0-21swapper/123:42:251
12550992511,13cyclictest0-21swapper/123:54:481
12550992510,11cyclictest0-21swapper/121:24:501
12549992523,1cyclictest1486-21kworker/0:123:23:520
1254999250,24cyclictest0-21swapper/000:18:560
12550992410,7cyclictest0-21swapper/122:01:241
12550992410,3cyclictest0-21swapper/122:32:501
1254999246,17cyclictest0-21swapper/022:45:020
1255099238,15cyclictest0-21swapper/100:09:071
12550992318,3cyclictest10092-21apache223:26:561
12550992310,5cyclictest0-21swapper/123:48:501
12550992310,0cyclictest0-21swapper/119:13:471
1255099230,21cyclictest439-21ssh21:16:391
12549992322,1cyclictest0-21swapper/022:54:020
12549992322,1cyclictest0-21swapper/019:36:360
1254999231,17cyclictest0-21swapper/021:50:220
12549992311,3cyclictest100250irq/107-eth1-rx21:29:160
12549992310,5cyclictest0-21swapper/021:58:530
12549992310,1cyclictest0-21swapper/000:16:120
1254999230,0cyclictest0-21swapper/022:31:020
1255099222,13cyclictest21842-21sh23:13:481
12550992218,3cyclictest802-21apache222:38:301
12550992213,6cyclictest0-21swapper/122:45:131
12550992210,5cyclictest0-21swapper/120:08:481
12550992210,4cyclictest0-21swapper/119:34:491
12550992210,3cyclictest0-21swapper/121:37:311
1254999222,16cyclictest26097-21diskmemload21:46:220
12549992219,1cyclictest10115-21apache221:41:380
12549992210,9cyclictest0-21swapper/021:15:020
12549992210,7cyclictest0-21swapper/022:08:460
12549992210,5cyclictest100250irq/107-eth1-rx23:11:500
12549992210,5cyclictest0-21swapper/023:33:470
12549992210,3cyclictest0-21swapper/019:54:580
1254999220,20cyclictest6146-21awk22:08:350
1255099219,12cyclictest0-21swapper/121:29:261
1255099215,9cyclictest0-21swapper/120:13:521
12550992119,1cyclictest0-21swapper/100:26:031
12550992110,7cyclictest0-21swapper/122:58:471
12550992110,7cyclictest0-21swapper/119:28:541
1254999218,0cyclictest0-21swapper/023:01:080
1254999216,8cyclictest0-21swapper/022:23:510
1254999215,10cyclictest0-21swapper/019:08:480
12549992117,3cyclictest10115-21apache223:39:380
12549992115,5cyclictest636-21nscd23:07:570
12549992115,5cyclictest100150irq/106-eth1-rx23:57:180
1254999211,11cyclictest0-21swapper/021:57:120
12549992110,5cyclictest0-21swapper/023:17:200
12549992110,5cyclictest0-21swapper/020:23:550
2004722010,1sleep10-21swapper/119:28:191
1255099208,10cyclictest0-21swapper/120:33:471
1255099207,5cyclictest24189-21munin-run21:03:351
1255099204,6cyclictest1729-21apache_accesses21:18:461
1255099203,9cyclictest0-21swapper/120:23:541
1255099203,8cyclictest4609-21ntp_states23:33:521
12550992011,6cyclictest0-21swapper/121:49:561
12550992010,3cyclictest0-21swapper/123:06:081
1255099200,18cyclictest0-21swapper/100:29:301
1255099200,13cyclictest0-21swapper/121:38:531
1255099200,12cyclictest0-21swapper/121:53:541
1254999203,9cyclictest13618-21dump-pmu-power22:18:360
1254999202,8cyclictest6245-21/usr/sbin/munin21:23:550
12549992019,1cyclictest10115-21apache200:06:190
12549992019,1cyclictest10092-21apache220:10:360
12549992018,1cyclictest288612sleep022:38:480
12549992015,3cyclictest636-21nscd23:30:290
12549992011,2cyclictest0-21swapper/020:33:500
1254999200,10cyclictest0-21swapper/019:28:460
2579821910,0sleep00-21swapper/021:05:360
1255099193,5cyclictest0-21swapper/100:13:581
12550991919,0cyclictest744-21snmpd22:21:531
12550991917,0cyclictest22391-21ssh23:58:521
12550991912,6cyclictest100150irq/106-eth1-rx22:53:491
1255099191,17cyclictest17107-21ls19:18:501
12550991910,5cyclictest0-21swapper/100:18:561
12550991910,3cyclictest0-21swapper/120:03:361
1255099190,9cyclictest0-21swapper/120:48:531
1255099190,9cyclictest0-21swapper/100:03:521
1254999197,7cyclictest0-21swapper/019:43:480
1254999193,9cyclictest0-21swapper/021:11:250
12549991910,5cyclictest0-21swapper/000:00:330
12549991910,4cyclictest0-21swapper/000:27:430
12549991910,1cyclictest0-21swapper/022:19:110
1255099185,8cyclictest0-21swapper/120:18:481
1255099185,5cyclictest636-21nscd22:17:451
1255099184,8cyclictest0-21swapper/123:08:541
1255099184,7cyclictest0-21swapper/120:38:511
12550991818,0cyclictest0-21swapper/120:55:211
12550991815,2cyclictest12547-21cyclictest22:42:121
12550991813,5cyclictest0-21swapper/121:11:181
12550991813,4cyclictest10092-21apache219:12:221
1255099180,0cyclictest0-21swapper/119:53:551
1254999186,11cyclictest0-21swapper/019:38:510
12549991814,3cyclictest802-21apache220:07:090
12549991811,5cyclictest10092-21apache220:56:410
12549991810,5cyclictest0-21swapper/021:18:470
12549991810,2cyclictest0-21swapper/000:34:150
1254999180,12cyclictest0-21swapper/020:28:530
1254999180,11cyclictest0-21swapper/000:28:570
2960321710,0sleep10-21swapper/119:53:041
12550991710,3cyclictest0-21swapper/120:43:461
12550991710,2cyclictest0-21swapper/119:38:541
12549991710,4cyclictest0-21swapper/019:18:490
12550991611,4cyclictest0-21swapper/120:28:471
12550991610,2cyclictest0-21swapper/119:43:471
12549991610,6cyclictest0-21swapper/021:36:470
12549991610,4cyclictest0-21swapper/021:03:350
12549991610,3cyclictest0-21swapper/019:13:460
12549991610,2cyclictest6059-21sendmail_mailst20:13:540
12549991610,2cyclictest15714-21find20:38:520
1255099152,8cyclictest0-21swapper/121:03:491
12549991511,2cyclictest100150irq/106-eth1-rx20:43:490
1254999151,12cyclictest0-21swapper/019:58:460
12549991414,0cyclictest0-21swapper/020:21:100
12549991410,1cyclictest0-21swapper/020:48:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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