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2026-01-01 - 22:46
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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 Thu Jan 01, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191902690,0sleep00-21swapper/010:55:050
1751026854,9sleep10-21swapper/107:09:511
106722650,1sleep00-21swapper/011:25:060
1709326249,8sleep00-21swapper/007:05:300
17693993533,1cyclictest7-21ksoftirqd/007:34:540
17694993231,1cyclictest0-21swapper/110:28:331
17694993210,19cyclictest28049-21kworker/1:209:19:011
17693993229,2cyclictest81ktimersoftd/009:05:040
17694993110,20cyclictest0-21swapper/109:09:031
17694992910,19cyclictest0-21swapper/112:23:511
1769499280,0cyclictest0-21swapper/112:29:231
17693992828,0cyclictest0-21swapper/009:18:180
17694992718,9cyclictest27594-21apache210:33:211
17693992713,8cyclictest100150irq/106-eth1-rx11:23:470
1769499263,4cyclictest744-21snmpd08:16:251
17694992620,5cyclictest27594-21apache209:31:491
17694992616,10cyclictest0-21swapper/107:16:591
17694992522,2cyclictest9843-21ssh10:42:561
1769499252,1cyclictest0-21swapper/109:26:231
17694992520,4cyclictest27594-21apache211:33:071
17694992510,7cyclictest0-21swapper/109:45:001
17693992524,0cyclictest13793-21kworker/u4:212:03:220
17694992413,7cyclictest25590-21kworker/u4:009:42:511
17693992424,0cyclictest0-21swapper/008:17:180
17693992410,7cyclictest0-21swapper/008:30:060
17693992410,1cyclictest0-21swapper/010:32:040
1811422310,0sleep00-21swapper/010:12:320
1769499239,8cyclictest0-21swapper/108:01:331
1769499235,13cyclictest0-21swapper/111:15:081
17694992322,1cyclictest0-21swapper/109:35:281
17694992318,4cyclictest0-21swapper/112:34:531
17694992317,4cyclictest31724-21diskmemload10:49:201
17694992310,7cyclictest0-21swapper/112:15:261
17694992310,3cyclictest0-21swapper/110:13:301
1769399235,10cyclictest0-21swapper/007:50:030
17693992310,9cyclictest0-21swapper/012:09:340
17693992310,13cyclictest0-21swapper/010:52:520
17694992214,7cyclictest27625-21apache212:01:461
17694992210,7cyclictest0-21swapper/107:10:111
17694992210,5cyclictest0-21swapper/109:10:141
1769399224,8cyclictest15993-21ssh09:30:080
1769399224,8cyclictest0-21swapper/009:25:060
1769399222,5cyclictest14670-21ssh12:10:150
1769399222,19cyclictest0-21swapper/009:35:350
17693992221,1cyclictest0-21swapper/010:04:480
17693992218,3cyclictest27625-21apache209:14:150
17693992210,3cyclictest0-21swapper/008:20:030
1769399220,5cyclictest0-21swapper/010:18:030
1769499215,12cyclictest0-21swapper/108:35:101
17694992118,2cyclictest599-21avahi-daemon08:59:481
17694992118,2cyclictest0-21swapper/107:25:071
17694992117,4cyclictest27625-21apache210:22:561
17694992117,2cyclictest585-21gmain07:23:341
17694992116,4cyclictest0-21swapper/110:09:131
17694992111,7cyclictest21080-21ssh10:56:361
17694992111,6cyclictest0-21swapper/107:40:111
17694992111,5cyclictest17691-21cyclictest11:09:401
17694992111,3cyclictest0-21swapper/107:51:131
17694992110,8cyclictest0-21swapper/112:35:101
17694992110,0cyclictest27612-21kworker/1:108:42:251
1769499210,3cyclictest12327-21rm12:07:231
17693992111,6cyclictest100250irq/107-eth1-rx11:01:130
17693992111,4cyclictest0-21swapper/010:44:530
17693992110,6cyclictest0-21swapper/010:45:060
17693992110,1cyclictest0-21swapper/009:24:260
17693992110,11cyclictest0-21swapper/012:35:100
17693992110,10cyclictest0-21swapper/007:10:540
1769399210,18cyclictest27548-21kworker/0:009:02:170
2083722010,1sleep00-21swapper/011:37:470
1769499205,10cyclictest0-21swapper/108:05:121
1769499203,10cyclictest0-21swapper/109:55:071
17694992015,3cyclictest17691-21cyclictest10:39:381
17694992010,9cyclictest27625-21apache211:21:141
17694992010,8cyclictest0-21swapper/111:51:001
17694992010,5cyclictest0-21swapper/109:20:061
1769499200,0cyclictest0-21swapper/108:23:231
1769399207,8cyclictest3514-21/usr/sbin/munin10:35:060
1769399204,11cyclictest0-21swapper/007:20:150
17693992020,0cyclictest0-21swapper/008:38:090
17693992014,2cyclictest17691-21cyclictest11:13:260
17693992012,5cyclictest100250irq/107-eth1-rx11:15:380
17693992010,8cyclictest0-21swapper/012:28:590
17693992010,5cyclictest0-21swapper/010:29:540
17693992010,5cyclictest0-21swapper/009:45:060
17693992010,3cyclictest0-21swapper/010:05:140
1769399200,8cyclictest0-21swapper/008:00:060
431821910,0sleep10-21swapper/107:55:381
1826221910,0sleep10-21swapper/110:53:551
17694991918,1cyclictest31724-21diskmemload10:19:221
17694991917,2cyclictest27594-21apache211:02:241
17694991911,6cyclictest100250irq/107-eth1-rx11:10:251
17694991910,3cyclictest0-21swapper/111:55:091
1769499190,3cyclictest0-21swapper/111:44:031
17693991918,1cyclictest27625-21apache209:55:010
17693991915,3cyclictest27625-21apache211:54:250
17693991911,6cyclictest27594-21apache211:43:450
1769399191,0cyclictest17776-21ssh12:15:000
17693991910,8cyclictest0-21swapper/012:21:270
17693991910,5cyclictest0-21swapper/007:55:070
17693991910,3cyclictest0-21swapper/010:20:080
1769499183,12cyclictest0-21swapper/108:10:141
17694991815,0cyclictest0-21swapper/111:35:171
17694991810,6cyclictest0-21swapper/108:30:061
17694991810,5cyclictest0-21swapper/111:45:381
1769499180,9cyclictest10730-21df11:25:061
1769399188,7cyclictest27588-21apache207:40:040
1769399183,8cyclictest0-21swapper/008:25:080
1769399181,6cyclictest0-21swapper/011:05:160
17693991816,1cyclictest27247-210anacron07:34:530
17693991815,1cyclictest0-21swapper/008:09:540
17694991710,6cyclictest0-21swapper/112:12:261
17694991710,5cyclictest0-21swapper/110:01:201
17694991710,3cyclictest0-21swapper/108:50:051
1769399172,7cyclictest0-21swapper/008:55:080
17693991712,2cyclictest27548-21kworker/0:007:48:110
17693991711,2cyclictest0-21swapper/008:50:090
17693991710,4cyclictest0-21swapper/011:46:090
17693991710,3cyclictest0-21swapper/011:30:070
17693991710,2cyclictest0-21swapper/009:50:320
17693991710,2cyclictest0-21swapper/009:44:150
1769499165,1cyclictest32365-21/usr/sbin/munin07:45:111
1769499161,7cyclictest0-21swapper/108:25:141
17694991610,1cyclictest0-21swapper/109:50:161
1769399164,7cyclictest0-21swapper/008:10:090
1769399161,5cyclictest1907-21ssh11:55:050
17693991615,1cyclictest19638-21/usr/sbin/munin07:15:080
17693991612,3cyclictest17691-21cyclictest08:49:320
17693991610,4cyclictest0-21swapper/012:31:360
17693991610,2cyclictest0-21swapper/007:25:140
17693991610,0cyclictest0-21swapper/008:41:450
1769499153,9cyclictest0-21swapper/107:35:031
17694991512,2cyclictest100150irq/106-eth1-rx07:30:151
17694991510,4cyclictest0-21swapper/109:00:061
1769499145,4cyclictest22446-21diskstats08:45:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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