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2025-12-21 - 19:42
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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 Dec 21, 2025 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2984226654,8sleep00-21swapper/007:06:510
2976526553,8sleep10-21swapper/107:06:041
30322993510,25cyclictest0-21swapper/110:02:491
30322993510,24cyclictest0-21swapper/107:10:091
3032299330,8cyclictest0-21swapper/107:25:191
3032299330,5cyclictest0-21swapper/107:20:131
3032299330,11cyclictest25776-21latency_hist12:34:571
30322993232,0cyclictest0-21swapper/110:47:391
30322993029,0cyclictest0-21swapper/107:59:391
3032299302,11cyclictest0-21swapper/108:42:061
30322993010,19cyclictest0-21swapper/111:18:501
30322993010,19cyclictest0-21swapper/110:25:261
3032299300,7cyclictest26379-21grep08:20:191
3032299282,8cyclictest0-21swapper/109:20:091
3032299281,9cyclictest0-21swapper/107:45:121
30322992810,17cyclictest0-21swapper/108:50:101
30321992726,1cyclictest0-21swapper/011:13:390
30321992723,2cyclictest1199-21runrttasks07:59:130
3032299263,6cyclictest0-21swapper/111:01:091
30322992616,3cyclictest0-21swapper/112:02:281
3032299260,6cyclictest0-21swapper/112:20:151
3032299251,5cyclictest10600-21/usr/sbin/munin11:55:111
3032299251,11cyclictest0-21swapper/111:10:071
3032299250,24cyclictest0-21swapper/110:50:161
30321992517,3cyclictest7760-21apache212:07:020
30321992510,7cyclictest0-21swapper/011:40:140
3032299243,6cyclictest24380-21ls08:15:181
30321992421,1cyclictest81ktimersoftd/010:30:190
30321992323,0cyclictest0-21swapper/008:34:320
30321992321,2cyclictest0-21swapper/007:50:150
30321992310,6cyclictest0-21swapper/009:50:100
3032299226,15cyclictest0-21swapper/108:35:151
3032299223,18cyclictest19492-21ls09:29:581
30322992210,5cyclictest0-21swapper/109:40:501
30322992210,3cyclictest0-21swapper/109:50:091
3032299220,12cyclictest0-21swapper/110:35:081
30321992221,0cyclictest0-21swapper/009:30:110
30321992215,5cyclictest7760-21apache210:05:530
30321992210,6cyclictest0-21swapper/011:16:060
30321992210,5cyclictest7714-21kworker/0:209:45:180
30321992210,5cyclictest0-21swapper/010:55:150
30321992210,0cyclictest0-21swapper/009:35:400
3032299213,11cyclictest0-21swapper/111:50:111
3032299212,12cyclictest0-21swapper/112:25:161
3032299211,7cyclictest0-21swapper/110:20:101
3032299211,19cyclictest8965-21sed09:00:161
30322992110,5cyclictest0-21swapper/111:40:181
30321992121,0cyclictest0-21swapper/012:37:050
3032299205,11cyclictest0-21swapper/111:25:151
3032299205,11cyclictest0-21swapper/109:45:201
30322992017,2cyclictest0-21swapper/111:30:171
30322992010,9cyclictest0-21swapper/108:12:011
30322992010,5cyclictest0-21swapper/109:35:181
30322992010,5cyclictest0-21swapper/108:30:091
30322992010,2cyclictest0-21swapper/111:46:001
3032199204,8cyclictest0-21swapper/011:25:090
30321992019,0cyclictest30973-21grep07:10:150
30321992011,4cyclictest3457-21taskset07:23:580
30321992010,5cyclictest0-21swapper/009:27:330
3032299196,5cyclictest11986-21apache_volume09:10:091
3032299195,3cyclictest18625-21taskset12:15:111
3032299194,8cyclictest0-21swapper/108:55:101
30322991914,4cyclictest643-21nscd07:50:271
30322991910,3cyclictest0-21swapper/109:30:171
30322991910,3cyclictest0-21swapper/109:05:131
30322991910,2cyclictest0-21swapper/109:55:181
3032199194,8cyclictest0-21swapper/008:00:090
3032199192,9cyclictest0-21swapper/010:40:180
30321991910,5cyclictest0-21swapper/009:05:120
30321991910,4cyclictest0-21swapper/012:30:180
30321991910,2cyclictest0-21swapper/012:15:130
750621810,1sleep00-21swapper/008:55:500
3077821810,0sleep00-21swapper/009:57:550
3032299186,9cyclictest0-21swapper/110:55:091
3032299185,8cyclictest0-21swapper/109:15:201
3032299183,9cyclictest0-21swapper/108:25:121
3032299182,2cyclictest0-21swapper/107:30:201
3032299182,11cyclictest0-21swapper/107:40:171
30322991818,0cyclictest21572-21apache207:19:411
30322991817,1cyclictest802-21apache208:06:591
30322991811,6cyclictest4996-21if_eth010:15:151
30322991810,6cyclictest0-21swapper/112:12:051
3032199183,8cyclictest0-21swapper/007:40:090
3032199183,11cyclictest0-21swapper/012:10:090
30321991811,5cyclictest0-21swapper/011:35:110
30321991810,5cyclictest0-21swapper/011:05:150
30321991810,4cyclictest0-21swapper/008:05:090
30321991810,4cyclictest0-21swapper/007:45:050
30321991810,2cyclictest0-21swapper/010:20:090
30321991810,2cyclictest0-21swapper/009:01:070
30321991810,1cyclictest0-21swapper/008:49:570
30321991810,0cyclictest0-21swapper/010:12:460
3032199180,11cyclictest0-21swapper/010:50:110
2740621810,0sleep10-21swapper/112:37:121
30322991710,3cyclictest0-21swapper/112:05:011
30322991710,3cyclictest0-21swapper/108:00:091
30322991710,0cyclictest0-21swapper/111:05:091
3032199173,9cyclictest0-21swapper/011:20:130
3032199172,7cyclictest0-21swapper/010:25:170
3032199172,10cyclictest0-21swapper/011:30:130
30321991716,1cyclictest13303-21ntp_states12:00:160
30321991716,0cyclictest8682-21chrt11:50:070
30321991715,1cyclictest17843-21idleruntime-cro10:49:570
30321991712,4cyclictest802-21apache210:36:480
3032199171,10cyclictest0-21swapper/008:10:090
30321991710,4cyclictest0-21swapper/011:00:090
30321991710,4cyclictest0-21swapper/008:20:110
30321991710,1cyclictest0-21swapper/007:15:120
3032199170,10cyclictest100450irq/109-eth1-tx09:20:150
2843721710,0sleep00-21swapper/008:26:180
3032299164,11cyclictest0-21swapper/111:35:191
3032299162,8cyclictest0-21swapper/110:10:181
3032299162,7cyclictest0-21swapper/110:05:111
30322991613,3cyclictest593-21lldpd07:35:121
30322991610,3cyclictest0-21swapper/108:45:111
30322991610,2cyclictest0-21swapper/110:43:571
30322991610,1cyclictest0-21swapper/110:30:121
30321991610,6cyclictest0-21swapper/008:35:130
30321991610,3cyclictest0-21swapper/012:25:150
30321991610,3cyclictest0-21swapper/011:45:080
3032199160,6cyclictest32461-21/usr/sbin/munin10:00:200
3032199160,10cyclictest0-21swapper/008:40:100
2158021610,0sleep00-21swapper/012:21:120
30322991510,0cyclictest0-21swapper/111:22:251
3032199154,7cyclictest0-21swapper/009:10:090
3032199151,5cyclictest5753-21/usr/sbin/munin10:15:200
30321991510,5cyclictest0-21swapper/007:26:530
30321991510,2cyclictest0-21swapper/009:44:090
30321991510,2cyclictest0-21swapper/008:50:100
30321991510,2cyclictest0-21swapper/007:34:580
30321991510,0cyclictest0-21swapper/009:16:290
30321991510,0cyclictest0-21swapper/008:16:300
3032199141,8cyclictest0-21swapper/007:30:140
3032199141,7cyclictest0-21swapper/011:55:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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