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2026-05-26 - 13:40
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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 Tue May 26, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2449327057,8sleep10-21swapper/119:08:371
2425327035,23sleep00-21swapper/019:06:070
98072670,0sleep10-21swapper/119:54:031
24695993110,17cyclictest0-21swapper/123:44:411
24694993010,19cyclictest0-21swapper/020:05:470
2469599290,1cyclictest0-21swapper/119:59:121
2469599290,17cyclictest0-21swapper/123:54:031
24694992927,1cyclictest7-21ksoftirqd/023:48:510
24695992822,2cyclictest18018-21entropy21:24:051
24694992828,0cyclictest0-21swapper/023:59:300
24694992710,8cyclictest0-21swapper/021:19:360
2469599253,20cyclictest0-21swapper/122:10:131
24695992521,3cyclictest9922-21ssh23:22:401
24695992521,3cyclictest10013-21apache222:00:101
24695992512,6cyclictest9174-21munin-node22:42:561
24695992511,2cyclictest100150irq/106-eth1-rx00:26:361
24695992510,14cyclictest0-21swapper/120:27:501
24694992510,8cyclictest0-21swapper/000:27:410
24694992510,14cyclictest0-21swapper/022:50:090
2469499250,5cyclictest0-21swapper/021:18:370
2469599249,6cyclictest5104-21head19:39:101
24695992411,7cyclictest0-21swapper/121:57:551
24695992410,7cyclictest0-21swapper/100:14:121
24695992410,2cyclictest0-21swapper/123:07:021
2469599240,3cyclictest23419-21ssh21:30:071
24694992419,4cyclictest10013-21apache222:28:380
24694992419,4cyclictest10013-21apache222:28:380
24694992410,7cyclictest0-21swapper/023:29:550
24694992410,5cyclictest0-21swapper/021:44:090
2469499240,0cyclictest11392-21cron19:58:510
24695992310,4cyclictest0-21swapper/120:34:031
24695992310,0cyclictest0-21swapper/122:05:271
24695992310,0cyclictest0-21swapper/100:03:181
2469599230,21cyclictest0-21swapper/100:35:141
2469499234,18cyclictest100250irq/107-eth1-rx21:24:080
24694992314,7cyclictest0-21swapper/020:49:110
2469499230,22cyclictest5206-21ssh22:32:590
24695992220,1cyclictest0-21swapper/123:40:391
2469599221,18cyclictest0-21swapper/120:04:031
24695992211,6cyclictest0-21swapper/121:19:041
24695992210,7cyclictest0-21swapper/122:21:121
24695992210,3cyclictest0-21swapper/119:14:091
2469499223,14cyclictest0-21swapper/021:29:060
24694992220,1cyclictest1511-21ssh23:10:280
24694992217,4cyclictest947-21sendmail-mta19:50:010
24694992213,4cyclictest0-21swapper/023:50:300
24694992210,7cyclictest0-21swapper/020:24:080
24694992210,3cyclictest0-21swapper/023:04:010
2469499220,18cyclictest0-21swapper/000:33:540
24695992119,1cyclictest19701-21ssh23:34:371
24695992119,1cyclictest12868-21awk00:09:091
24695992119,1cyclictest12868-21awk00:09:091
24695992114,3cyclictest24692-21cyclictest22:44:111
24695992114,2cyclictest1520-21pidof19:31:271
24695992110,6cyclictest0-21swapper/119:09:061
24695992110,3cyclictest0-21swapper/123:10:181
24695992110,1cyclictest0-21swapper/100:08:181
2469599210,2cyclictest0-21swapper/119:34:091
2469599210,16cyclictest5881-21diskmemload21:37:061
2469599210,10cyclictest0-21swapper/122:29:071
24694992119,1cyclictest28567-21munin-node19:19:010
24694992114,6cyclictest648-21nscd23:43:300
24694992110,5cyclictest0-21swapper/021:09:040
24694992110,3cyclictest0-21swapper/019:44:100
24694992110,11cyclictest0-21swapper/022:38:210
2469499210,1cyclictest0-21swapper/022:04:260
2469499210,17cyclictest0-21swapper/021:35:370
24695992018,1cyclictest636-21nscd22:36:021
24695992018,1cyclictest231ktimersoftd/123:51:091
24695992013,3cyclictest100150irq/106-eth1-rx21:10:591
24695992010,5cyclictest0-21swapper/100:29:031
24695992010,3cyclictest0-21swapper/121:52:301
24695992010,3cyclictest0-21swapper/120:39:011
24695992010,0cyclictest0-21swapper/122:24:041
24695992010,0cyclictest0-21swapper/122:24:041
2469599200,2cyclictest0-21swapper/121:46:551
2469499206,7cyclictest0-21swapper/023:14:070
24694992019,1cyclictest0-21swapper/020:43:150
24694992015,4cyclictest0-21swapper/000:09:040
24694992015,4cyclictest0-21swapper/000:09:040
24694992010,8cyclictest0-21swapper/000:32:330
24694992010,6cyclictest0-21swapper/022:59:020
24694992010,5cyclictest0-21swapper/022:44:510
24694992010,3cyclictest0-21swapper/019:27:150
24694992010,2cyclictest0-21swapper/000:19:270
24694992010,1cyclictest0-21swapper/000:07:410
2469599195,6cyclictest0-21swapper/121:14:121
2469599193,12cyclictest0-21swapper/123:14:031
2469599192,9cyclictest0-21swapper/120:49:091
24695991911,5cyclictest770-21irqbalance22:51:211
24695991910,8cyclictest0-21swapper/122:14:381
24695991910,3cyclictest0-21swapper/120:09:091
24695991910,2cyclictest0-21swapper/120:54:041
2469599190,2cyclictest13816-21ssh23:28:051
2469599190,14cyclictest17643-21kworker/1:220:59:531
2469499196,9cyclictest0-21swapper/021:39:080
24694991914,0cyclictest0-21swapper/023:23:140
24694991911,5cyclictest0-21swapper/022:39:090
24694991910,5cyclictest0-21swapper/021:52:320
24694991910,3cyclictest0-21swapper/023:24:080
24694991910,3cyclictest0-21swapper/020:19:050
24694991910,3cyclictest0-21swapper/020:14:120
24694991910,1cyclictest0-21swapper/022:58:120
2469499190,0cyclictest0-21swapper/022:02:260
2469599185,8cyclictest0-21swapper/120:44:021
2469599181,12cyclictest0-21swapper/119:21:251
24695991810,3cyclictest0-21swapper/123:29:091
24695991810,3cyclictest0-21swapper/100:21:311
2469599180,5cyclictest0-21swapper/122:59:021
2469499183,11cyclictest0-21swapper/021:54:120
24694991818,0cyclictest0-21swapper/022:19:090
24694991815,2cyclictest81ktimersoftd/019:14:110
24694991813,5cyclictest0-21swapper/020:01:330
24694991810,8cyclictest0-21swapper/020:36:130
24694991810,0cyclictest0-21swapper/022:14:560
2469499180,6cyclictest0-21swapper/023:54:030
713121710,0sleep10-21swapper/119:44:591
2469599175,7cyclictest0-21swapper/121:04:041
2469599175,5cyclictest19258-21apache_processe20:19:021
24695991710,4cyclictest0-21swapper/120:14:031
24695991710,4cyclictest0-21swapper/119:24:031
24695991710,2cyclictest0-21swapper/122:54:041
24695991710,2cyclictest0-21swapper/119:49:021
24695991710,1cyclictest0-21swapper/121:39:081
2469499175,8cyclictest0-21swapper/020:54:060
24694991717,0cyclictest0-21swapper/019:09:090
24694991716,1cyclictest10013-21apache200:15:040
24694991712,5cyclictest0-21swapper/020:29:250
24694991710,4cyclictest0-21swapper/021:04:050
2469499170,12cyclictest0-21swapper/020:44:040
2469499165,5cyclictest0-21swapper/022:10:540
2469499162,6cyclictest0-21swapper/019:39:010
24694991612,2cyclictest81ktimersoftd/023:35:510
24694991610,4cyclictest0-21swapper/020:09:030
24694991610,3cyclictest0-21swapper/020:59:030
2469499160,5cyclictest2268-21/usr/sbin/munin19:34:030
24695991410,2cyclictest0-21swapper/120:29:051
24694991410,4cyclictest0-21swapper/019:28:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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