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2025-12-25 - 14:01
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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 792 highest latencies:
System rackcslot2.osadl.org (updated Thu Dec 25, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
668326957,8sleep10-21swapper/119:07:401
675226249,8sleep00-21swapper/019:08:230
7081993737,0cyclictest0-21swapper/120:04:431
7080992929,0cyclictest0-21swapper/022:56:510
7081992727,0cyclictest0-21swapper/100:31:301
708199270,14cyclictest0-21swapper/119:25:081
251382270,0sleep10-21swapper/100:09:561
708199258,16cyclictest18413-21kworker/1:119:36:171
7081992523,1cyclictest24-21ksoftirqd/122:34:571
7081992510,3cyclictest0-21swapper/122:45:161
7080992419,4cyclictest579-21cron23:59:560
7080992413,6cyclictest21983-21apache219:40:080
7080992410,5cyclictest0-21swapper/000:00:140
7080992410,4cyclictest0-21swapper/023:25:120
7080992410,4cyclictest0-21swapper/021:35:120
7080992310,2cyclictest0-21swapper/019:20:080
708199222,12cyclictest0-21swapper/100:00:201
7081992214,5cyclictest0-21swapper/123:00:131
7081992211,7cyclictest167-21systemd-journal19:24:561
708099222,11cyclictest0-21swapper/021:15:130
7080992221,1cyclictest0-21swapper/019:52:520
7080992213,8cyclictest0-21swapper/020:05:100
708099220,4cyclictest0-21swapper/020:20:080
708199217,9cyclictest0-21swapper/119:10:081
708199215,10cyclictest0-21swapper/119:55:101
7081992116,4cyclictest593-21lldpd23:28:251
7081992110,9cyclictest0-21swapper/119:30:111
7081992110,8cyclictest0-21swapper/120:40:071
7081992110,5cyclictest0-21swapper/123:55:081
708199210,11cyclictest0-21swapper/122:35:081
7080992121,0cyclictest0-21swapper/000:15:460
7080992121,0cyclictest0-21swapper/000:15:460
7080992117,3cyclictest21983-21apache222:38:520
7080992110,3cyclictest0-21swapper/020:13:550
7080992110,10cyclictest0-21swapper/023:09:190
708199207,8cyclictest0-21swapper/121:35:081
708199206,10cyclictest0-21swapper/123:52:141
7081992010,5cyclictest0-21swapper/120:15:121
7081992010,3cyclictest0-21swapper/123:20:111
7081992010,3cyclictest0-21swapper/123:14:011
7081992010,3cyclictest0-21swapper/121:30:081
7081992010,10cyclictest0-21swapper/121:55:091
708099209,4cyclictest17567-21tune2fs22:25:090
708099206,10cyclictest0-21swapper/023:30:200
708099203,9cyclictest0-21swapper/023:50:090
7080992010,3cyclictest0-21swapper/020:45:080
708199198,5cyclictest0-21swapper/120:45:091
708199196,8cyclictest0-21swapper/120:30:091
7081991917,2cyclictest0-21swapper/100:24:111
7081991915,3cyclictest802-21apache221:05:571
7081991910,9cyclictest1826-21kworker/1:022:58:011
7081991910,5cyclictest0-21swapper/120:55:071
7081991910,3cyclictest0-21swapper/123:45:071
7081991910,2cyclictest0-21swapper/121:20:101
708199190,8cyclictest5839-21munin-run23:19:561
708099196,5cyclictest0-21swapper/023:20:120
708099194,9cyclictest0-21swapper/019:45:070
708099194,10cyclictest0-21swapper/019:35:160
708099193,7cyclictest0-21swapper/000:29:570
708099192,11cyclictest26186-21/usr/sbin/munin00:10:160
7080991911,5cyclictest21983-21apache221:54:020
7080991910,5cyclictest0-21swapper/000:20:060
7080991910,4cyclictest0-21swapper/022:00:090
7080991910,4cyclictest0-21swapper/000:35:060
7080991910,3cyclictest0-21swapper/021:20:120
7080991910,3cyclictest0-21swapper/020:00:140
708199188,9cyclictest0-21swapper/119:40:141
708199184,9cyclictest0-21swapper/120:10:141
708199183,11cyclictest0-21swapper/100:10:081
708199183,10cyclictest0-21swapper/122:20:071
7081991814,3cyclictest7078-21cyclictest22:25:271
7081991812,4cyclictest0-21swapper/122:06:491
7081991810,5cyclictest0-21swapper/121:50:081
7081991810,4cyclictest0-21swapper/122:19:091
7081991810,4cyclictest0-21swapper/121:10:091
7081991810,4cyclictest0-21swapper/120:35:121
7081991810,4cyclictest0-21swapper/100:25:141
7081991810,2cyclictest0-21swapper/121:18:021
7081991810,2cyclictest0-21swapper/121:00:131
708099186,6cyclictest0-21swapper/019:25:060
708099185,8cyclictest0-21swapper/021:25:150
708099184,9cyclictest0-21swapper/023:40:080
708099182,6cyclictest0-21swapper/019:30:080
7080991817,1cyclictest0-21swapper/020:50:140
7080991813,3cyclictest0-21swapper/022:20:080
7080991811,5cyclictest0-21swapper/022:05:070
7080991811,3cyclictest7078-21cyclictest19:55:130
7080991811,3cyclictest21962-21apache220:55:080
7080991810,4cyclictest0-21swapper/023:00:100
708099180,11cyclictest0-21swapper/021:55:100
56521810,0sleep00-21swapper/021:40:140
708199173,8cyclictest0-21swapper/123:05:091
708199172,8cyclictest0-21swapper/120:05:171
708199172,7cyclictest0-21swapper/121:40:121
708199172,11cyclictest0-21swapper/119:45:101
708199171,9cyclictest0-21swapper/123:35:171
7081991710,5cyclictest0-21swapper/122:11:161
7081991710,3cyclictest0-21swapper/120:50:101
7081991710,3cyclictest0-21swapper/119:50:081
7081991710,2cyclictest0-21swapper/120:25:081
708099176,4cyclictest0-21swapper/020:15:160
708099174,9cyclictest0-21swapper/019:15:130
708099173,7cyclictest0-21swapper/021:05:090
708099173,4cyclictest0-21swapper/000:05:100
708099172,12cyclictest0-21swapper/021:10:170
7080991715,2cyclictest21962-21apache222:15:100
7080991715,1cyclictest26897-21apache_volume22:50:090
7080991710,3cyclictest0-21swapper/021:29:570
7080991710,3cyclictest0-21swapper/021:00:140
7080991710,3cyclictest0-21swapper/020:30:380
7080991710,3cyclictest0-21swapper/019:10:140
7080991710,2cyclictest0-21swapper/000:30:050
7080991710,1cyclictest0-21swapper/023:35:090
7080991710,1cyclictest0-21swapper/022:10:080
708199165,9cyclictest0-21swapper/121:25:081
7081991610,4cyclictest0-21swapper/100:35:071
7081991610,3cyclictest0-21swapper/122:40:071
7081991610,3cyclictest0-21swapper/122:04:511
7081991610,2cyclictest0-21swapper/123:30:081
7080991614,1cyclictest100150irq/106-eth1-rx21:46:140
7080991612,2cyclictest100150irq/106-eth1-rx23:47:030
7080991610,2cyclictest0-21swapper/023:10:140
7080991610,2cyclictest0-21swapper/022:40:110
7080991610,2cyclictest0-21swapper/020:25:170
708199153,6cyclictest0-21swapper/120:20:071
7081991510,5cyclictest1826-21kworker/1:023:42:531
7081991510,4cyclictest1826-21kworker/1:022:50:091
7081991510,3cyclictest0-21swapper/121:45:061
7081991510,1cyclictest0-21swapper/119:15:121
708099154,6cyclictest0-21swapper/022:45:070
708099154,6cyclictest0-21swapper/022:30:100
7080991510,2cyclictest0-21swapper/023:15:080
7081991410,4cyclictest1826-21kworker/1:000:15:011
7081991410,4cyclictest1826-21kworker/1:000:15:011
708099143,5cyclictest10144-21/usr/sbin/munin20:40:120
708099143,4cyclictest7593-21df20:35:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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