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2026-01-05 - 02:19
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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 Sun Jan 04, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29672680,0sleep00-21swapper/010:58:380
2638226856,8sleep10-21swapper/107:09:191
2468026855,8sleep00-21swapper/007:04:580
181632660,0sleep10-21swapper/108:10:071
26618993510,0cyclictest0-21swapper/111:38:391
26617993129,1cyclictest0-21swapper/012:08:080
26618993030,0cyclictest231ktimersoftd/110:05:041
26617993030,0cyclictest0-21swapper/011:03:300
26618992910,4cyclictest24936-21ssh12:05:011
26617992710,14cyclictest0-21swapper/012:29:520
2661799270,1cyclictest26681-21ssh10:09:180
26618992624,1cyclictest16467-21ssh12:33:461
26617992622,2cyclictest81ktimersoftd/008:25:040
26617992621,4cyclictest4106-21apache211:47:160
26617992523,1cyclictest636-21nscd11:43:510
26618992419,4cyclictest4106-21apache209:48:371
26618992416,5cyclictest4106-21apache209:29:351
26618992411,9cyclictest0-21swapper/111:07:251
26618992410,8cyclictest0-21swapper/111:00:081
26618992410,6cyclictest0-21swapper/111:56:301
26618992410,6cyclictest0-21swapper/110:15:451
26618992410,6cyclictest0-21swapper/108:03:551
26617992410,8cyclictest0-21swapper/007:15:090
26617992410,5cyclictest0-21swapper/008:50:090
26617992410,11cyclictest0-21swapper/009:46:340
635522310,2sleep00-21swapper/012:20:240
26618992314,6cyclictest636-21nscd09:42:361
26618992314,5cyclictest4106-21apache212:12:211
26618992310,7cyclictest0-21swapper/112:27:071
26618992310,1cyclictest0-21swapper/111:49:521
26618992310,10cyclictest3449-21kworker/1:009:10:071
26617992312,4cyclictest0-21swapper/010:00:050
26617992310,8cyclictest0-21swapper/007:20:120
26617992310,7cyclictest0-21swapper/011:32:300
26617992310,3cyclictest0-21swapper/012:10:120
2661899226,11cyclictest0-21swapper/108:30:021
2661899225,9cyclictest0-21swapper/108:05:141
26618992220,1cyclictest17248-21ssh12:34:591
2661899221,7cyclictest846-21apache_volume12:15:081
26618992214,3cyclictest0-21swapper/109:09:231
26618992210,9cyclictest0-21swapper/111:32:151
26618992210,8cyclictest0-21swapper/110:20:101
26618992210,6cyclictest0-21swapper/108:25:051
26618992210,5cyclictest0-21swapper/109:38:561
26618992210,4cyclictest0-21swapper/110:51:511
26617992219,2cyclictest4106-21apache211:36:170
26617992217,5cyclictest4106-21apache211:27:580
26617992216,2cyclictest9401-1kworker/u5:210:35:560
26617992213,6cyclictest30439-21/usr/sbin/munin09:35:070
26617992212,3cyclictest8259-21diskmemload11:08:050
26617992210,7cyclictest0-21swapper/011:55:000
26617992210,7cyclictest0-21swapper/009:56:540
26617992210,5cyclictest0-21swapper/007:30:110
26617992210,3cyclictest0-21swapper/012:38:040
26617992210,10cyclictest0-21swapper/008:37:140
2661899218,8cyclictest0-21swapper/110:40:051
2661899217,10cyclictest0-21swapper/110:55:051
2661899214,11cyclictest15546-21ssh09:55:121
26618992117,3cyclictest802-21apache210:39:361
26618992116,4cyclictest4106-21apache211:11:041
26618992110,7cyclictest0-21swapper/109:51:451
26618992110,5cyclictest0-21swapper/110:30:071
26618992110,4cyclictest0-21swapper/112:20:041
26618992110,4cyclictest0-21swapper/107:35:071
2661799215,6cyclictest1199-21runrttasks12:03:150
2661799212,14cyclictest0-21swapper/010:45:130
26617992119,1cyclictest134-21jbd2/sda1-810:21:590
26617992116,5cyclictest4080-21apache208:18:550
26617992116,5cyclictest4080-21apache208:18:550
26617992111,5cyclictest100150irq/106-eth1-rx09:15:230
26617992110,8cyclictest0-21swapper/009:00:040
26617992110,5cyclictest0-21swapper/007:25:020
26617992110,4cyclictest0-21swapper/009:28:530
26617992110,3cyclictest0-21swapper/011:10:040
2661799210,2cyclictest27456-21rm09:30:460
2661799210,12cyclictest0-21swapper/007:50:090
26618992019,1cyclictest4106-21apache211:27:461
26618992019,1cyclictest0-21swapper/111:21:481
26618992018,1cyclictest6384-21ssh11:41:211
26618992018,1cyclictest0-21swapper/108:52:241
26618992010,8cyclictest0-21swapper/110:27:061
26618992010,5cyclictest0-21swapper/107:30:031
26618992010,4cyclictest0-21swapper/109:00:111
2661799203,11cyclictest28576-21/usr/sbin/munin10:50:100
2661799202,17cyclictest0-21swapper/007:10:130
26617992014,1cyclictest0-21swapper/009:50:270
26617992010,8cyclictest100350irq/108-eth1-tx09:11:010
26617992010,5cyclictest0-21swapper/010:44:240
26617992010,4cyclictest4496-21fschecks_time07:35:060
2661799200,14cyclictest0-21swapper/010:27:230
1802722010,0sleep10-21swapper/111:16:011
26618991917,1cyclictest0-21swapper/110:00:081
26618991913,4cyclictest744-21snmpd09:33:241
2661899191,15cyclictest0-21swapper/107:23:451
26618991911,1cyclictest0-21swapper/112:00:151
26618991910,6cyclictest0-21swapper/109:20:111
26618991910,5cyclictest0-21swapper/108:35:091
26618991910,4cyclictest0-21swapper/110:45:021
26618991910,4cyclictest0-21swapper/108:20:041
26618991910,2cyclictest0-21swapper/109:15:561
2661799194,9cyclictest0-21swapper/011:23:170
2661799192,9cyclictest22148-21memory08:20:090
26617991917,1cyclictest636-21nscd09:40:190
26617991910,4cyclictest0-21swapper/012:31:380
26617991910,3cyclictest0-21swapper/011:54:320
26617991910,2cyclictest0-21swapper/012:17:180
2661899185,12cyclictest0-21swapper/110:10:061
2661899184,8cyclictest0-21swapper/107:25:051
2661899183,9cyclictest0-21swapper/108:15:061
2661899183,9cyclictest0-21swapper/108:15:061
26618991812,3cyclictest231ktimersoftd/108:42:591
26618991810,4cyclictest0-21swapper/108:55:031
26618991810,4cyclictest0-21swapper/107:55:151
2661799187,6cyclictest0-21swapper/010:15:070
2661799184,8cyclictest0-21swapper/007:40:060
2661799184,6cyclictest0-21swapper/008:40:060
26617991816,2cyclictest0-21swapper/009:20:200
26617991812,2cyclictest0-21swapper/008:05:120
26617991810,6cyclictest25876-21if_eth308:30:070
26617991810,3cyclictest0-21swapper/009:05:060
403821710,1sleep00-21swapper/008:56:520
2661899172,11cyclictest0-21swapper/107:45:091
26618991710,6cyclictest100150irq/106-eth1-rx11:52:521
26618991710,4cyclictest0-21swapper/107:40:041
2661799174,10cyclictest0-21swapper/010:30:070
26617991712,4cyclictest10050irq/110-ahci[0010:10:460
26617991710,6cyclictest0-21swapper/008:48:000
2661799170,11cyclictest17019-21ntp_kernel_pll_11:15:100
26618991610,2cyclictest0-21swapper/107:50:021
2661799161,7cyclictest0-21swapper/008:10:090
26617991610,4cyclictest0-21swapper/007:45:050
26617991610,1cyclictest0-21swapper/007:55:240
2661899159,3cyclictest0-21swapper/108:45:061
26618991510,5cyclictest0-21swapper/107:16:081
2661799156,6cyclictest15154-21taskset08:00:390
26618991310,2cyclictest0-21swapper/107:10:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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