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2025-11-20 - 00:15
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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 Wed Nov 19, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2734327361,8sleep00-21swapper/007:06:200
2705626947,17sleep10-21swapper/107:03:221
148522640,0sleep10-21swapper/107:57:021
27567993510,18cyclictest98050irq/109-eth1-tx10:32:270
27567993210,2cyclictest0-21swapper/010:03:010
2756899310,30cyclictest0-21swapper/110:19:121
27567993130,1cyclictest0-21swapper/009:46:040
27567992826,1cyclictest0-21swapper/011:27:420
27568992727,0cyclictest0-21swapper/109:22:311
27568992710,3cyclictest0-21swapper/111:58:091
2756899270,26cyclictest0-21swapper/111:26:021
2756799270,3cyclictest0-21swapper/011:22:580
27568992620,6cyclictest0-21swapper/111:39:301
27568992619,6cyclictest14199-21ssh10:35:201
27568992610,11cyclictest30224-21kworker/u4:211:04:171
2756899260,8cyclictest0-21swapper/108:22:031
27568992519,3cyclictest5034-21apache212:31:291
27567992525,0cyclictest0-21swapper/009:51:330
27567992510,12cyclictest0-21swapper/007:07:020
2756899241,2cyclictest0-21swapper/112:24:441
27568992410,14cyclictest0-21swapper/111:12:151
2756899240,2cyclictest0-21swapper/111:51:361
2756899240,1cyclictest0-21swapper/109:40:091
2756799243,17cyclictest22727-21rm12:09:420
27568992323,0cyclictest231ktimersoftd/111:09:541
27568992323,0cyclictest0-21swapper/110:44:411
27568992318,2cyclictest593-21avahi-daemon12:09:191
27568992310,4cyclictest0-21swapper/107:12:001
27568992310,3cyclictest0-21swapper/111:55:091
27568992310,1cyclictest0-21swapper/109:21:211
2756899230,2cyclictest0-21swapper/109:48:001
2756799236,13cyclictest0-21swapper/010:37:010
2756799234,9cyclictest0-21swapper/012:12:030
27567992310,7cyclictest0-21swapper/008:07:010
27568992217,4cyclictest5010-21apache212:33:361
27568992216,3cyclictest12374-21/usr/sbin/munin09:51:591
27568992210,6cyclictest0-21swapper/112:19:511
27568992210,4cyclictest0-21swapper/112:14:051
2756799225,6cyclictest0-21swapper/007:27:010
27567992220,2cyclictest81ktimersoftd/010:14:580
2756799221,17cyclictest0-21swapper/011:17:230
27567992210,6cyclictest0-21swapper/011:56:540
27567992210,4cyclictest25968-21pmu-power09:27:070
27567992210,3cyclictest0-21swapper/008:41:590
2756899217,10cyclictest9056-21diskmemload10:22:081
27568992121,0cyclictest5010-21apache209:16:101
27568992120,1cyclictest0-21swapper/108:39:161
27568992118,2cyclictest20037-21/usr/sbin/munin10:02:101
27568992110,5cyclictest0-21swapper/107:32:031
27568992110,1cyclictest0-21swapper/111:33:091
2756899210,10cyclictest0-21swapper/110:56:461
2756799217,8cyclictest0-21swapper/008:57:020
2756799216,10cyclictest0-21swapper/012:17:030
2756799214,14cyclictest0-21swapper/007:51:590
2756799213,12cyclictest0-21swapper/011:07:080
27567992113,4cyclictest5010-21apache209:38:310
2756799211,16cyclictest17391-21rm09:57:070
27567992110,6cyclictest0-21swapper/009:20:500
27567992110,5cyclictest0-21swapper/011:02:070
27567992110,5cyclictest0-21swapper/010:24:180
27567992110,4cyclictest0-21swapper/011:52:000
27567992110,4cyclictest0-21swapper/007:37:030
27567992110,1cyclictest0-21swapper/009:07:060
27567992110,10cyclictest0-21swapper/009:16:010
2756799210,0cyclictest0-21swapper/011:33:120
2756899206,11cyclictest0-21swapper/108:12:031
2756899204,14cyclictest8604-21/usr/sbin/munin10:27:091
2756899202,1cyclictest0-21swapper/109:31:181
27568992016,3cyclictest9681-21hddtemp_smartct09:07:021
27568992012,3cyclictest0-21swapper/108:32:051
27568992011,5cyclictest97950irq/108-eth1-tx08:17:101
27568992010,5cyclictest0-21swapper/110:07:491
27568992010,4cyclictest0-21swapper/111:27:131
27568992010,0cyclictest0-21swapper/111:17:211
2756899200,19cyclictest0-21swapper/112:05:321
2756799207,4cyclictest32401-21/usr/sbin/munin07:17:070
2756799204,12cyclictest0-21swapper/008:16:590
2756799201,3cyclictest0-21swapper/010:51:280
27567992010,9cyclictest0-21swapper/012:28:100
27567992010,7cyclictest0-21swapper/011:45:220
27567992010,6cyclictest0-21swapper/012:25:160
27567992010,6cyclictest0-21swapper/009:03:240
27567992010,4cyclictest0-21swapper/008:26:470
27568991918,1cyclictest27565-21cyclictest10:14:581
27568991917,1cyclictest5034-21apache209:43:001
27568991915,3cyclictest97750irq/106-eth1-rx10:49:201
27568991914,3cyclictest5034-21apache211:00:391
27568991913,4cyclictest10050irq/110-ahci[0010:38:061
27568991910,8cyclictest0-21swapper/109:32:541
27568991910,7cyclictest0-21swapper/108:01:581
27568991910,6cyclictest0-21swapper/108:42:041
27568991910,4cyclictest0-21swapper/109:06:071
27568991910,2cyclictest0-21swapper/107:47:061
2756799197,7cyclictest0-21swapper/008:52:010
2756799196,8cyclictest0-21swapper/007:41:590
2756799193,7cyclictest0-21swapper/010:52:090
2756799192,3cyclictest9056-21diskmemload12:35:520
27567991913,3cyclictest32556-21ssh09:36:120
27567991913,3cyclictest11444-21sshd11:12:300
27567991910,6cyclictest0-21swapper/010:57:110
27567991910,5cyclictest0-21swapper/010:16:590
27567991910,4cyclictest0-21swapper/012:06:460
27567991910,4cyclictest0-21swapper/011:41:390
27567991910,3cyclictest0-21swapper/007:22:000
2756899181,9cyclictest0-21swapper/111:42:051
27568991811,2cyclictest0-21swapper/107:39:241
27568991811,2cyclictest0-21swapper/107:27:041
27568991810,6cyclictest0-21swapper/109:59:551
2756799185,6cyclictest25090-21/usr/sbin/munin08:22:050
2756799184,5cyclictest9056-21diskmemload11:47:430
2756799183,14cyclictest0-21swapper/008:31:590
2756799183,13cyclictest0-21swapper/007:32:030
27567991817,1cyclictest0-21swapper/010:29:240
27567991811,5cyclictest97850irq/107-eth1-rx10:42:360
27567991810,4cyclictest0-21swapper/009:52:320
27567991810,3cyclictest0-21swapper/009:21:580
27567991810,0cyclictest0-21swapper/010:11:450
2756899174,9cyclictest0-21swapper/107:23:241
2756899172,9cyclictest0-21swapper/107:07:021
27568991716,1cyclictest817-21apache207:53:471
27568991710,4cyclictest0-21swapper/107:17:041
27568991710,3cyclictest0-21swapper/108:27:091
2756799174,7cyclictest0-21swapper/007:57:010
2756799170,12cyclictest3254-21perf08:51:460
27568991614,1cyclictest19265-21ntp_kernel_pll_08:07:041
27568991610,6cyclictest0-21swapper/107:43:281
27568991610,0cyclictest0-21swapper/108:58:431
2756799163,6cyclictest16955-21hddtemp_smartct08:02:000
27567991612,3cyclictest817-21apache207:47:280
27567991610,5cyclictest0-21swapper/008:11:520
2756899151,8cyclictest0-21swapper/108:52:051
2756799154,4cyclictest0-21swapper/007:12:100
27567991510,3cyclictest30741-21ls08:37:060
2756899143,9cyclictest0-21swapper/108:46:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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