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2026-09-03 - 19:45
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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 Thu Sep 03, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
717727456,8sleep00-21swapper/007:07:250
228422700,0sleep10-21swapper/111:23:051
695526754,9sleep10-21swapper/107:05:081
7413993710,0cyclictest0-21swapper/010:54:090
7413993232,0cyclictest0-21swapper/007:37:130
7413993110,19cyclictest0-21swapper/011:38:410
7413992818,2cyclictest0-21swapper/010:31:080
7413992812,10cyclictest100150irq/106-eth1-rx09:36:270
7413992710,7cyclictest0-21swapper/010:03:150
7414992620,3cyclictest231ktimersoftd/110:28:141
741499260,15cyclictest0-21swapper/110:03:101
7413992625,1cyclictest0-21swapper/011:06:150
741499252,7cyclictest0-21swapper/109:38:161
741499251,15cyclictest100250irq/107-eth1-rx12:29:541
7413992523,1cyclictest17246-21apache210:15:550
7413992511,7cyclictest0-21swapper/011:09:210
741499240,19cyclictest21295-21diskmemload10:57:541
741399246,17cyclictest22880-21apache_processe11:23:100
7413992410,3cyclictest0-21swapper/009:44:540
741399240,21cyclictest0-21swapper/012:00:080
7414992310,5cyclictest0-21swapper/107:43:021
741399231,1cyclictest167-21systemd-journal10:12:590
7413992310,9cyclictest0-21swapper/009:23:350
7413992310,5cyclictest0-21swapper/012:03:080
741499221,20cyclictest0-21swapper/109:27:141
7414992210,9cyclictest0-21swapper/108:38:111
7414992210,6cyclictest0-21swapper/107:48:151
7414992210,3cyclictest0-21swapper/111:04:571
7414992210,11cyclictest0-21swapper/111:13:271
741499220,19cyclictest4487-21rm10:12:371
741499220,12cyclictest0-21swapper/112:13:181
7413992221,1cyclictest1045-21ntp_states08:13:160
7413992219,2cyclictest31263-21ssh09:20:230
7413992217,4cyclictest566-21ssh10:50:460
7413992215,6cyclictest802-21apache209:09:130
7413992210,8cyclictest0-21swapper/007:28:100
7413992210,6cyclictest0-21swapper/008:28:120
7413992210,6cyclictest0-21swapper/008:23:160
7413992210,5cyclictest0-21swapper/009:32:370
7413992210,1cyclictest0-21swapper/012:26:120
741499214,9cyclictest0-21swapper/108:58:131
741499211,18cyclictest0-21swapper/110:34:221
7414992111,5cyclictest636-21nscd11:35:441
7414992110,9cyclictest0-21swapper/108:10:401
7414992110,8cyclictest0-21swapper/112:18:421
7414992110,3cyclictest0-21swapper/107:53:081
7414992110,0cyclictest0-21swapper/107:30:311
741499210,12cyclictest0-21swapper/110:43:111
741499210,10cyclictest15431-21if_eth311:58:141
741399216,13cyclictest0-21swapper/008:38:110
741399213,11cyclictest0-21swapper/011:43:160
7413992117,3cyclictest17246-21apache209:56:250
7413992110,8cyclictest0-21swapper/010:58:400
7413992110,8cyclictest0-21swapper/007:53:080
7413992110,7cyclictest0-21swapper/011:13:590
7413992110,7cyclictest0-21swapper/009:58:110
7413992110,5cyclictest0-21swapper/007:38:560
741399210,1cyclictest23425-21hddtemp_smartct07:48:130
741499209,10cyclictest0-21swapper/111:48:421
741499203,13cyclictest4314-21apache_accesses11:43:081
741499203,13cyclictest0-21swapper/112:08:141
741499203,13cyclictest0-21swapper/107:08:191
741499202,13cyclictest0-21swapper/109:48:271
7414992017,2cyclictest26725-21perl11:28:161
741499201,12cyclictest14670-21munin-run11:57:591
7414992010,7cyclictest0-21swapper/107:18:091
7414992010,4cyclictest0-21swapper/107:23:161
741399205,9cyclictest0-21swapper/008:58:120
741399203,9cyclictest0-21swapper/008:33:100
741399202,6cyclictest0-21swapper/010:19:110
7413992020,0cyclictest81ktimersoftd/010:26:090
7413992020,0cyclictest0-21swapper/011:51:060
7413992011,6cyclictest0-21swapper/007:08:110
7413992010,5cyclictest0-21swapper/009:17:280
7413992010,4cyclictest0-21swapper/010:45:330
7413992010,4cyclictest0-21swapper/009:49:310
741399200,19cyclictest19535-21/usr/sbin/munin09:03:150
3181222010,0sleep10-21swapper/109:21:391
741499199,6cyclictest636-21nscd12:37:141
741499192,11cyclictest12346-21irqstats08:43:141
7414991917,1cyclictest17248-21apache209:15:291
7414991913,4cyclictest17246-21apache210:52:101
7414991913,3cyclictest0-21swapper/112:03:591
7414991912,6cyclictest3945-21/usr/sbin/munin09:28:161
7414991910,8cyclictest0-21swapper/112:23:391
7414991910,6cyclictest0-21swapper/108:18:121
7414991910,5cyclictest0-21swapper/111:08:091
7414991910,5cyclictest0-21swapper/109:43:101
7414991910,5cyclictest0-21swapper/108:02:211
7414991910,4cyclictest0-21swapper/110:23:101
7414991910,3cyclictest0-21swapper/109:55:441
741499190,16cyclictest0-21swapper/111:38:171
741499190,14cyclictest0-21swapper/108:13:101
741499190,13cyclictest0-21swapper/110:58:181
7413991916,3cyclictest17248-21apache211:36:180
7413991910,8cyclictest0-21swapper/011:22:580
7413991910,6cyclictest7368-1kworker/u5:011:54:560
7413991910,5cyclictest0-21swapper/012:28:190
7413991910,1cyclictest0-21swapper/007:23:120
741499187,10cyclictest0-21swapper/110:18:111
741499186,10cyclictest0-21swapper/109:03:221
741499184,10cyclictest0-21swapper/108:33:181
741499182,10cyclictest0-21swapper/110:38:131
7414991811,5cyclictest3978-21munin-node07:17:411
7414991811,3cyclictest0-21swapper/108:48:211
7414991810,5cyclictest0-21swapper/109:12:011
741499180,8cyclictest167-21systemd-journal08:23:281
741499180,5cyclictest0-21swapper/111:18:141
741399188,6cyclictest15597-21latency_hist08:52:590
741399186,10cyclictest21295-21diskmemload10:41:220
741399185,8cyclictest0-21swapper/008:08:090
741399184,7cyclictest0-21swapper/008:03:100
7413991810,6cyclictest0-21swapper/012:08:570
7413991810,4cyclictest0-21swapper/007:13:120
741399180,13cyclictest0-21swapper/008:18:120
741499178,8cyclictest0-21swapper/107:33:101
741499177,7cyclictest0-21swapper/109:59:051
741499173,6cyclictest0-21swapper/110:13:191
741499172,10cyclictest0-21swapper/107:38:111
7414991715,1cyclictest100150irq/106-eth1-rx09:34:001
7414991710,6cyclictest0-21swapper/108:32:471
741399179,6cyclictest0-21swapper/012:13:100
741399174,5cyclictest11455-21/usr/sbin/munin09:38:130
7413991710,2cyclictest0-21swapper/012:18:100
7413991710,2cyclictest0-21swapper/010:35:050
7413991710,2cyclictest0-21swapper/007:18:110
741399165,8cyclictest17246-21apache207:58:110
741399164,7cyclictest0-21swapper/007:43:100
7413991610,4cyclictest0-21swapper/008:44:520
7413991610,3cyclictest0-21swapper/012:33:120
7413991610,2cyclictest0-21swapper/011:32:590
741399160,3cyclictest17551-21latency_hist08:57:590
7414991510,2cyclictest0-21swapper/108:03:101
7414991410,0cyclictest31095-21kworker/1:208:56:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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