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2025-12-20 - 23:11
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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 Sat Dec 20, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1107426957,8sleep10-21swapper/107:05:311
1129226649,8sleep00-21swapper/007:07:490
11680992810,16cyclictest0-21swapper/111:10:131
1168099280,11cyclictest0-21swapper/108:30:211
11679992810,0cyclictest0-21swapper/010:09:520
11679992727,0cyclictest0-21swapper/007:55:180
1167999270,1cyclictest22474-21irqstats09:00:130
11680992626,0cyclictest0-21swapper/111:54:191
11680992610,16cyclictest0-21swapper/111:48:261
1168099250,23cyclictest0-21swapper/112:24:131
1167999255,9cyclictest0-21swapper/008:50:200
11679992510,3cyclictest0-21swapper/012:30:170
11680992315,4cyclictest1652-21perl10:55:131
11679992310,6cyclictest0-21swapper/009:30:110
1167999230,9cyclictest21532-21apache212:15:100
1167999230,11cyclictest0-21swapper/010:50:140
1168099228,11cyclictest0-21swapper/112:35:181
1168099223,12cyclictest0-21swapper/112:00:131
11680992222,0cyclictest0-21swapper/108:19:151
11680992213,3cyclictest0-21swapper/109:27:391
1168099221,20cyclictest0-21swapper/107:10:161
11680992210,5cyclictest0-21swapper/108:55:111
11679992221,0cyclictest100150irq/106-eth1-rx09:57:390
11679992210,6cyclictest0-21swapper/010:25:110
11679992210,5cyclictest0-21swapper/008:18:260
1167999220,2cyclictest9002-21apache_volume11:15:100
1168099217,9cyclictest0-21swapper/111:15:121
1168099215,10cyclictest0-21swapper/108:10:111
1168099214,16cyclictest0-21swapper/107:40:101
1168099214,11cyclictest0-21swapper/112:10:141
11680992115,3cyclictest21572-21apache211:00:151
1168099211,13cyclictest0-21swapper/109:45:111
11680992110,7cyclictest0-21swapper/110:50:241
1167999216,11cyclictest0-21swapper/010:35:170
11679992121,0cyclictest0-21swapper/010:15:170
11679992117,3cyclictest744-21snmpd07:22:530
11679992110,6cyclictest0-21swapper/012:13:530
11679992110,6cyclictest0-21swapper/011:40:200
11679992110,6cyclictest0-21swapper/011:30:160
11679992110,6cyclictest0-21swapper/010:58:110
11679992110,4cyclictest0-21swapper/009:15:090
2044222010,0sleep00-21swapper/008:55:150
1914222010,2sleep00-21swapper/007:29:190
11680992019,1cyclictest21554-21apache210:03:151
11680992017,3cyclictest802-21apache208:28:581
11680992010,4cyclictest0-21swapper/109:54:391
11680992010,2cyclictest0-21swapper/109:19:581
1167999208,6cyclictest15197-21mailstats08:40:170
1167999208,10cyclictest0-21swapper/007:45:110
1167999203,11cyclictest0-21swapper/012:35:140
11679992010,4cyclictest0-21swapper/009:40:140
11679992010,3cyclictest0-21swapper/008:35:160
1168099199,4cyclictest0-21swapper/108:45:101
1168099197,5cyclictest18040-21apache_processe08:50:121
1168099197,3cyclictest1-21systemd07:29:581
1168099194,6cyclictest0-21swapper/111:25:161
1168099194,12cyclictest0-21swapper/110:10:161
1168099193,10cyclictest0-21swapper/107:20:131
1168099192,10cyclictest0-21swapper/112:30:161
11680991914,3cyclictest0-21swapper/110:40:111
11680991910,7cyclictest0-21swapper/111:35:121
11680991910,5cyclictest0-21swapper/112:15:121
11680991910,4cyclictest0-21swapper/108:01:041
11680991910,4cyclictest0-21swapper/107:51:411
1167999199,5cyclictest0-21swapper/009:25:110
1167999195,10cyclictest0-21swapper/007:40:170
1167999194,11cyclictest0-21swapper/011:35:120
1167999192,9cyclictest0-21swapper/007:50:130
11679991913,4cyclictest81ktimersoftd/012:25:150
11679991911,5cyclictest21572-21apache210:30:170
1167999191,14cyclictest0-21swapper/012:20:220
11679991910,4cyclictest0-21swapper/011:50:150
2024021810,2sleep00-21swapper/010:20:100
1168099188,5cyclictest0-21swapper/107:34:571
1168099188,4cyclictest0-21swapper/109:35:091
1168099183,8cyclictest0-21swapper/111:20:101
1168099183,8cyclictest0-21swapper/110:20:111
11680991815,2cyclictest11677-21cyclictest07:35:161
1168099181,12cyclictest0-21swapper/111:05:101
11680991810,3cyclictest0-21swapper/109:10:111
1167999184,9cyclictest0-21swapper/010:40:200
1167999184,12cyclictest0-21swapper/009:20:110
1167999184,10cyclictest0-21swapper/008:25:110
1167999183,7cyclictest0-21swapper/010:00:140
1167999181,12cyclictest0-21swapper/011:05:110
11679991810,4cyclictest0-21swapper/008:20:110
11679991810,3cyclictest0-21swapper/012:00:120
11679991810,3cyclictest0-21swapper/011:25:110
11679991810,2cyclictest0-21swapper/009:35:080
797121710,0sleep10-21swapper/108:21:511
1168099176,3cyclictest0-21swapper/109:20:181
1168099174,7cyclictest0-21swapper/109:00:151
1168099173,13cyclictest0-21swapper/109:30:101
11680991717,0cyclictest0-21swapper/107:18:101
11680991716,1cyclictest231ktimersoftd/110:45:151
11680991710,3cyclictest0-21swapper/110:05:121
1168099170,8cyclictest0-21swapper/110:15:191
1167999177,5cyclictest0-21swapper/008:05:130
1167999176,9cyclictest0-21swapper/007:10:100
1167999175,10cyclictest0-21swapper/008:30:110
1167999172,14cyclictest0-21swapper/007:35:180
11679991710,5cyclictest0-21swapper/008:00:160
11679991710,4cyclictest0-21swapper/009:10:160
11679991710,4cyclictest0-21swapper/007:15:090
11679991710,3cyclictest0-21swapper/011:44:590
11679991710,3cyclictest0-21swapper/009:50:200
11679991710,2cyclictest0-21swapper/008:45:120
3032321610,1sleep00-21swapper/010:45:130
1168099165,9cyclictest0-21swapper/108:05:101
1168099165,5cyclictest0-21swapper/112:25:181
1168099164,9cyclictest0-21swapper/109:40:121
1168099164,8cyclictest0-21swapper/109:55:111
11680991610,4cyclictest0-21swapper/112:05:081
11680991610,2cyclictest30441-21ls07:55:191
11680991610,2cyclictest0-21swapper/107:48:551
1167999169,5cyclictest22181-21munin-node09:45:380
1167999163,4cyclictest0-21swapper/011:20:110
11679991611,2cyclictest1199-21runrttasks08:10:060
11679991610,2cyclictest0-21swapper/011:01:090
11679991610,1cyclictest0-21swapper/012:05:140
11679991610,1cyclictest0-21swapper/011:55:100
11679991610,1cyclictest0-21swapper/009:05:110
160622150,1sleep116061-21grep08:44:581
1168099153,8cyclictest0-21swapper/111:55:141
11680991515,0cyclictest0-21swapper/111:40:131
11680991513,2cyclictest0-21swapper/109:06:021
11680991511,2cyclictest0-21swapper/111:30:141
11680991510,2cyclictest0-21swapper/108:35:191
11680991510,1cyclictest0-21swapper/110:35:111
11679991513,1cyclictest8377-21taskset11:10:200
11679991510,3cyclictest0-21swapper/010:13:170
11679991510,2cyclictest0-21swapper/007:30:150
1168099144,8cyclictest0-21swapper/110:30:121
1168099142,7cyclictest0-21swapper/110:25:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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