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2025-11-19 - 07:56
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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 all highest latencies:
System rackcslot2.osadl.org (updated Wed Nov 19, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1553827058,8sleep10-21swapper/119:04:491
1542826956,8sleep00-21swapper/019:03:420
276662660,0sleep10-21swapper/123:16:061
50572650,0sleep10-21swapper/100:15:361
144702550,2sleep01590699cyclictest23:42:010
15907993110,20cyclictest0-21swapper/121:12:431
15906993131,0cyclictest0-21swapper/023:14:250
15906993110,0cyclictest0-21swapper/023:51:430
15906992910,1cyclictest0-21swapper/023:18:560
1590699290,28cyclictest0-21swapper/021:20:380
15907992810,8cyclictest0-21swapper/120:32:011
15907992810,0cyclictest0-21swapper/122:57:091
15906992727,0cyclictest0-21swapper/000:35:400
1590799261,22cyclictest30384-21kworker/u4:023:53:061
15906992623,2cyclictest0-21swapper/021:08:010
15906992618,8cyclictest0-21swapper/021:43:000
1590699260,2cyclictest0-21swapper/000:20:160
1590799250,18cyclictest0-21swapper/121:22:101
15906992522,2cyclictest6222-21apache222:44:470
15906992520,4cyclictest598-21lldpd22:25:220
15906992515,5cyclictest30384-21kworker/u4:000:13:190
15906992510,13cyclictest0-21swapper/021:03:300
15907992416,5cyclictest6222-21apache222:22:371
15907992410,5cyclictest0-21swapper/122:17:021
1305622410,0sleep10-21swapper/100:26:471
15907992317,5cyclictest6244-21apache200:09:291
15907992310,10cyclictest0-21swapper/119:07:021
1590699236,8cyclictest0-21swapper/020:02:010
1590699231,2cyclictest0-21swapper/020:22:030
1590699230,21cyclictest0-21swapper/020:01:250
1590799229,12cyclictest0-21swapper/121:02:011
1590799227,7cyclictest1111-21runrttasks21:33:091
1590799224,14cyclictest0-21swapper/123:07:121
1590799224,12cyclictest0-21swapper/121:57:031
1590799222,9cyclictest0-21swapper/121:29:491
15907992222,0cyclictest0-21swapper/123:37:341
15907992222,0cyclictest0-21swapper/100:20:051
15907992220,1cyclictest817-21apache222:52:171
15907992220,1cyclictest5399-21hddtemp_smartct21:17:021
15907992220,1cyclictest12226-21latency_hist20:21:471
1590799221,19cyclictest29485-21diskmemload22:49:161
15907992210,7cyclictest0-21swapper/123:42:071
15907992210,7cyclictest0-21swapper/122:28:351
15907992210,7cyclictest0-21swapper/120:27:021
15907992210,4cyclictest0-21swapper/123:32:321
1590799220,0cyclictest0-21swapper/121:55:001
15906992217,2cyclictest15904-21cyclictest23:35:020
15906992215,5cyclictest81ktimersoftd/020:35:240
15906992210,5cyclictest0-21swapper/023:01:510
1590699220,1cyclictest0-21swapper/022:58:470
1590799214,10cyclictest28250-21apache_volume23:17:001
15907992116,4cyclictest6244-21apache221:44:341
15907992114,3cyclictest231ktimersoftd/121:47:571
15907992110,5cyclictest0-21swapper/120:07:071
1590699215,8cyclictest0-21swapper/021:26:470
1590699214,10cyclictest0-21swapper/020:27:040
15906992114,3cyclictest0-21swapper/019:06:580
1590699211,2cyclictest0-21swapper/022:38:120
15906992110,9cyclictest0-21swapper/021:31:580
15906992110,3cyclictest28322-21unixbench_multi21:47:100
1590699210,7cyclictest13204-21taskset22:11:500
1590699210,0cyclictest0-21swapper/021:39:350
926322010,0sleep00-21swapper/022:06:450
852022010,0sleep10-21swapper/120:11:501
566322010,0sleep10-21swapper/123:29:411
1590799208,9cyclictest0-21swapper/123:57:001
1590799203,6cyclictest0-21swapper/122:37:061
1590799201,6cyclictest28531-21irqstats22:32:051
15907992014,2cyclictest30867-21sh21:07:081
15907992011,4cyclictest0-21swapper/100:05:161
1590799201,12cyclictest0-21swapper/119:47:081
15907992010,7cyclictest13284-21apache_volume22:12:001
15907992010,5cyclictest0-21swapper/122:03:351
15906992018,1cyclictest24855-21apache_processe23:56:590
1590699201,7cyclictest1573-21runrttasks00:11:030
15906992012,4cyclictest0-21swapper/020:12:050
15906992010,7cyclictest0-21swapper/023:39:580
15906992010,4cyclictest0-21swapper/021:55:570
1590699200,5cyclictest0-21swapper/023:22:530
1590699200,17cyclictest6244-21apache221:13:350
1590699200,10cyclictest17651-21/usr/sbin/munin22:17:060
1590799196,8cyclictest0-21swapper/120:22:001
1590799193,8cyclictest0-21swapper/120:42:051
1590799191,9cyclictest18644-21/usr/sbin/munin23:02:091
15907991910,6cyclictest0-21swapper/123:46:581
15907991910,5cyclictest0-21swapper/119:32:001
15907991910,2cyclictest0-21swapper/119:52:001
1590799190,4cyclictest0-21swapper/100:27:141
1590799190,17cyclictest0-21swapper/119:21:371
1590699197,7cyclictest0-21swapper/022:11:170
1590699196,8cyclictest0-21swapper/020:56:590
1590699192,0cyclictest0-21swapper/023:52:370
15906991915,4cyclictest0-21swapper/020:39:370
15906991912,4cyclictest0-21swapper/020:42:010
15906991910,7cyclictest0-21swapper/000:22:010
15906991910,5cyclictest0-21swapper/020:08:070
15906991910,4cyclictest0-21swapper/020:47:080
15906991910,3cyclictest0-21swapper/019:12:010
15906991910,1cyclictest0-21swapper/021:59:150
1590699190,17cyclictest0-21swapper/022:32:250
15907991817,1cyclictest15904-21cyclictest19:38:111
15907991813,2cyclictest593-21avahi-daemon20:51:501
15907991810,4cyclictest0-21swapper/119:57:041
15907991810,4cyclictest0-21swapper/119:27:051
1590699184,9cyclictest0-21swapper/023:27:000
1590699184,9cyclictest0-21swapper/019:52:070
1590699183,9cyclictest0-21swapper/020:51:590
1590699183,8cyclictest28750-21ssh00:02:010
1590699182,8cyclictest0-21swapper/019:30:200
1590699181,9cyclictest0-21swapper/019:32:000
15906991811,5cyclictest0-21swapper/022:47:040
15906991810,5cyclictest0-21swapper/019:18:090
15906991810,5cyclictest0-21swapper/000:28:450
15906991810,4cyclictest0-21swapper/021:27:010
15906991810,3cyclictest0-21swapper/019:47:050
15906991810,2cyclictest0-21swapper/022:27:560
1590699180,9cyclictest0-21swapper/023:07:080
1590799171,7cyclictest17853-21apache_volume19:12:011
15907991710,3cyclictest0-21swapper/100:36:141
15907991710,1cyclictest0-21swapper/123:22:091
1590699174,8cyclictest0-21swapper/019:42:010
1590699174,4cyclictest0-21swapper/019:37:070
15906991716,1cyclictest12703-21ssh22:55:000
15906991710,2cyclictest0-21swapper/019:22:040
610221610,2sleep10-21swapper/120:03:451
1590799163,7cyclictest168-21systemd-journal20:51:301
15907991614,1cyclictest15904-21cyclictest19:22:051
15907991610,2cyclictest0-21swapper/120:37:031
15907991610,1cyclictest0-21swapper/120:57:041
1590699164,7cyclictest0-21swapper/020:17:060
1590799152,11cyclictest0-21swapper/121:37:011
15907991510,3cyclictest0-21swapper/122:07:461
15907991510,1cyclictest0-21swapper/122:44:381
1590799132,4cyclictest29860-21/usr/sbin/munin19:42:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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