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2026-06-22 - 07:05
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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 Mon Jun 22, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
45022700,0sleep10-21swapper/122:21:471
162772700,0sleep00-21swapper/023:21:430
3238526956,9sleep10-21swapper/119:06:451
3230026958,7sleep00-21swapper/019:05:520
30382670,0sleep10-21swapper/123:47:561
125582620,0sleep00-21swapper/023:59:190
3274699310,30cyclictest0-21swapper/100:28:551
32746992725,1cyclictest23040-21apache_accesses22:03:481
3274699272,22cyclictest0-21swapper/123:22:011
32745992724,2cyclictest7673-21ssh21:43:100
32746992626,0cyclictest0-21swapper/123:56:141
3274699260,14cyclictest0-21swapper/123:50:131
32746992523,1cyclictest8818-21missed_timers21:43:531
32745992510,7cyclictest0-21swapper/000:14:220
32746992410,6cyclictest100150irq/106-eth1-rx22:08:401
32745992419,4cyclictest19666-21apache223:08:550
3274599241,22cyclictest0-21swapper/000:25:390
32745992410,6cyclictest0-21swapper/000:38:270
32746992318,4cyclictest19644-21apache221:10:461
32746992313,3cyclictest0-21swapper/122:45:581
3274699230,22cyclictest0-21swapper/122:15:201
3274699230,20cyclictest0-21swapper/123:14:061
32745992310,6cyclictest0-21swapper/021:58:550
3274699224,13cyclictest0-21swapper/121:38:501
32746992220,1cyclictest12949-21ssh22:33:501
32746992218,3cyclictest100450irq/109-eth1-tx21:19:401
32746992210,5cyclictest0-21swapper/121:24:281
32746992210,3cyclictest0-21swapper/121:48:481
32745992222,0cyclictest0-21swapper/019:19:400
32745992221,0cyclictest7-21ksoftirqd/023:53:490
32745992220,1cyclictest21610-21ssh22:44:070
32745992218,3cyclictest19666-21apache221:11:010
32745992218,2cyclictest81ktimersoftd/022:49:070
32745992211,8cyclictest0-21swapper/023:28:490
3274599221,11cyclictest0-21swapper/021:13:430
32745992210,4cyclictest0-21swapper/023:49:510
3274699215,13cyclictest0-21swapper/119:23:581
32746992119,1cyclictest19666-21apache221:15:301
32746992119,1cyclictest0-21swapper/120:38:491
32746992116,4cyclictest19644-21apache220:08:591
32746992113,0cyclictest0-21swapper/100:28:021
32746992110,9cyclictest0-21swapper/123:27:261
3274599216,8cyclictest13945-21diskmemload22:54:060
3274599212,11cyclictest0-21swapper/019:38:530
32745992118,2cyclictest636-21nscd21:52:250
32745992115,3cyclictest15504-21munin-node20:04:310
32745992110,6cyclictest0-21swapper/023:03:590
32745992110,5cyclictest0-21swapper/019:58:500
32745992110,3cyclictest0-21swapper/022:08:480
3274599210,19cyclictest0-21swapper/022:25:230
3274699207,9cyclictest0-21swapper/120:23:571
3274699204,8cyclictest0-21swapper/119:33:551
3274699203,8cyclictest1823-21python21:33:591
3274699203,12cyclictest0-21swapper/120:58:521
3274699202,17cyclictest0-21swapper/121:33:351
3274699202,12cyclictest0-21swapper/123:36:411
3274699202,12cyclictest0-21swapper/119:13:491
3274699202,10cyclictest0-21swapper/122:53:501
32746992013,6cyclictest19666-21apache221:59:221
32746992010,6cyclictest0-21swapper/121:03:551
32746992010,5cyclictest0-21swapper/120:13:491
3274599203,11cyclictest0-21swapper/000:03:500
32745992018,1cyclictest0-21swapper/022:42:060
32745992015,4cyclictest19666-21apache223:28:210
32745992014,5cyclictest19644-21apache219:48:510
32745992013,5cyclictest19666-21apache200:13:200
3274699198,5cyclictest1199-21runrttasks20:28:501
3274699196,7cyclictest0-21swapper/120:53:551
3274699193,8cyclictest12380-21ssh22:33:111
3274699193,6cyclictest0-21swapper/121:53:571
32746991917,1cyclictest6639-21df20:48:501
32746991915,4cyclictest100250irq/107-eth1-rx00:08:511
32746991912,3cyclictest100250irq/107-eth1-rx23:07:331
32746991910,4cyclictest0-21swapper/100:20:521
32746991910,0cyclictest0-21swapper/122:38:561
3274699190,11cyclictest0-21swapper/123:38:501
3274599193,10cyclictest0-21swapper/019:28:480
32745991918,1cyclictest19666-21apache223:01:370
32745991911,4cyclictest100150irq/106-eth1-rx23:38:570
32745991911,2cyclictest0-21swapper/021:18:520
32745991910,0cyclictest0-21swapper/023:13:560
3274599190,18cyclictest0-21swapper/021:03:500
2365221910,0sleep10-21swapper/123:31:451
1324821910,1sleep10-21swapper/100:00:551
1013621910,0sleep00-21swapper/021:45:230
3274699187,8cyclictest11918-21apache_volume19:38:491
3274699187,10cyclictest0-21swapper/100:33:541
3274699185,8cyclictest0-21swapper/122:24:391
32746991816,1cyclictest0-21swapper/122:50:031
32746991811,0cyclictest19320-21taskset19:57:501
32746991810,2cyclictest0-21swapper/100:04:001
3274699180,2cyclictest0-21swapper/100:14:471
3274599183,7cyclictest0-21swapper/021:23:550
3274599183,10cyclictest0-21swapper/023:33:490
3274599182,7cyclictest0-21swapper/019:43:560
32745991810,8cyclictest0-21swapper/000:29:280
32745991810,5cyclictest0-21swapper/022:23:080
32745991810,3cyclictest0-21swapper/020:18:530
32745991810,2cyclictest0-21swapper/022:13:520
32745991810,2cyclictest0-21swapper/022:06:150
3274699175,8cyclictest0-21swapper/120:43:511
3274699173,5cyclictest20941-21sshd19:59:021
32746991710,5cyclictest0-21swapper/120:33:491
32746991710,4cyclictest0-21swapper/119:09:011
32746991710,2cyclictest0-21swapper/123:10:031
32746991710,2cyclictest0-21swapper/122:58:521
3274599175,9cyclictest0-21swapper/021:53:480
3274599174,7cyclictest0-21swapper/019:23:490
3274599173,8cyclictest0-21swapper/019:13:570
3274599173,6cyclictest26165-21/usr/sbin/munin20:13:550
3274599173,10cyclictest0-21swapper/021:32:100
3274599172,7cyclictest0-21swapper/019:33:500
32745991717,0cyclictest0-21swapper/020:38:220
32745991714,1cyclictest100250irq/107-eth1-rx23:45:560
3274599171,14cyclictest593-21lldpd21:01:560
32745991711,3cyclictest0-21swapper/020:08:490
32745991710,7cyclictest0-21swapper/022:28:570
32745991710,7cyclictest0-21swapper/020:58:160
32745991710,5cyclictest0-21swapper/020:48:490
32745991710,3cyclictest0-21swapper/022:33:490
32745991710,3cyclictest0-21swapper/019:55:270
32745991710,0cyclictest0-21swapper/000:18:470
3274599170,2cyclictest0-21swapper/020:31:230
3274699165,7cyclictest28591-21/usr/sbin/munin20:18:581
3274699164,11cyclictest0-21swapper/119:18:541
32746991610,4cyclictest0-21swapper/119:52:351
32746991610,3cyclictest0-21swapper/119:28:551
32746991610,1cyclictest0-21swapper/120:03:471
32745991610,5cyclictest0-21swapper/020:38:430
32745991610,3cyclictest0-21swapper/019:09:040
3274699154,7cyclictest0-21swapper/119:43:491
32745991515,0cyclictest32743-21cyclictest20:23:530
32745991510,5cyclictest0-21swapper/021:33:430
32745991510,2cyclictest0-21swapper/020:43:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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