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2025-12-14 - 10:47
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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 all highest latencies:
System rackcslot2.osadl.org (updated Sun Dec 14, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299026949,16sleep10-21swapper/119:09:541
290426856,8sleep00-21swapper/019:08:580
318499290,26cyclictest0-21swapper/019:50:130
318499290,1cyclictest0-21swapper/023:28:040
3185992617,6cyclictest0-21swapper/100:05:151
3184992625,1cyclictest81ktimersoftd/020:00:110
3184992510,4cyclictest0-21swapper/022:50:100
318499250,13cyclictest0-21swapper/019:25:180
3185992410,14cyclictest0-21swapper/120:51:111
3184992410,6cyclictest0-21swapper/022:55:190
318599233,20cyclictest8816-21kworker/1:121:02:501
3185992319,3cyclictest167-21systemd-journal23:40:001
3185992310,8cyclictest0-21swapper/121:24:491
3184992310,8cyclictest0-21swapper/022:30:130
3184992310,8cyclictest0-21swapper/020:54:240
3184992310,6cyclictest0-21swapper/019:15:150
3185992220,1cyclictest0-21swapper/123:25:321
3185992218,3cyclictest19778-21apache222:25:531
3185992213,5cyclictest0-21swapper/120:56:191
318499227,4cyclictest14087-21ntp_states22:25:170
3184992219,0cyclictest0-21swapper/023:03:250
3184992217,4cyclictest744-21snmpd21:18:140
318599218,3cyclictest31969-21ls00:35:221
318599215,10cyclictest0-21swapper/123:50:161
3185992117,4cyclictest319-21rpcbind21:10:241
3185992110,7cyclictest0-21swapper/119:15:151
3185992110,4cyclictest0-21swapper/100:30:131
3185992110,11cyclictest0-21swapper/120:29:491
318599210,11cyclictest0-21swapper/100:20:131
318499215,10cyclictest0-21swapper/000:35:220
3184992121,0cyclictest0-21swapper/000:00:340
318499211,11cyclictest0-21swapper/022:05:130
3184992110,6cyclictest0-21swapper/023:55:130
190522110,0sleep10-21swapper/120:30:171
318599204,12cyclictest0-21swapper/121:15:131
318599204,10cyclictest0-21swapper/100:15:161
318599203,3cyclictest0-21swapper/123:40:171
3185992010,3cyclictest0-21swapper/119:10:081
318499204,11cyclictest0-21swapper/021:20:120
3184992018,1cyclictest28661-21cstates21:40:130
3184992010,9cyclictest0-21swapper/020:40:230
3184992010,8cyclictest0-21swapper/000:30:180
3184992010,5cyclictest0-21swapper/020:20:120
3184992010,2cyclictest0-21swapper/023:45:070
318599195,8cyclictest0-21swapper/121:30:121
318599195,11cyclictest0-21swapper/122:15:131
318599194,10cyclictest0-21swapper/122:35:111
3185991918,1cyclictest802-21apache219:40:421
3185991912,4cyclictest0-21swapper/121:05:171
318599190,15cyclictest0-21swapper/123:10:141
318599190,15cyclictest0-21swapper/121:40:181
318499196,9cyclictest0-21swapper/020:35:160
318499196,8cyclictest0-21swapper/019:40:150
318499194,12cyclictest0-21swapper/023:22:460
318499193,2cyclictest0-21swapper/022:15:170
3184991910,6cyclictest0-21swapper/021:30:100
3184991910,4cyclictest0-21swapper/020:25:110
3184991910,3cyclictest0-21swapper/023:15:190
3184991910,3cyclictest0-21swapper/021:55:180
3175521910,0sleep10-21swapper/120:24:021
864521810,0sleep10-21swapper/120:45:481
318599186,5cyclictest20208-21ls22:40:221
318599185,7cyclictest0-21swapper/119:50:211
318599184,8cyclictest0-21swapper/123:55:131
318599184,8cyclictest0-21swapper/123:45:121
318599184,6cyclictest770-21irqbalance21:50:211
3185991813,2cyclictest0-21swapper/122:00:211
3185991812,5cyclictest231ktimersoftd/121:45:191
3185991812,3cyclictest802-21apache219:24:021
3185991810,4cyclictest0-21swapper/120:40:191
318499185,4cyclictest12918-21idleruntime-cro21:00:010
318499184,7cyclictest0-21swapper/019:45:140
318499183,8cyclictest0-21swapper/023:50:180
318499183,11cyclictest0-21swapper/021:10:120
318499182,10cyclictest0-21swapper/020:45:160
3184991817,0cyclictest0-21swapper/022:40:170
3184991812,3cyclictest0-21swapper/023:36:400
3184991811,6cyclictest0-21swapper/019:10:090
3184991810,5cyclictest0-21swapper/020:15:150
3184991810,3cyclictest0-21swapper/023:40:130
3184991810,3cyclictest0-21swapper/022:36:350
3184991810,2cyclictest0-21swapper/023:31:210
3007821810,0sleep00-21swapper/023:06:070
3007821810,0sleep00-21swapper/023:06:070
2476621810,0sleep00-21swapper/020:05:170
318599178,8cyclictest8816-21kworker/1:122:06:241
318599174,5cyclictest0-21swapper/119:55:061
318599173,6cyclictest0-21swapper/100:00:191
318599173,3cyclictest0-21swapper/100:10:161
318599172,5cyclictest0-21swapper/123:31:031
318599171,8cyclictest0-21swapper/119:35:221
3185991713,3cyclictest1199-21runrttasks20:35:111
3185991710,4cyclictest0-21swapper/119:30:161
3185991710,3cyclictest0-21swapper/122:45:111
3185991710,3cyclictest0-21swapper/120:05:141
3185991710,3cyclictest0-21swapper/120:01:351
3185991710,0cyclictest0-21swapper/119:29:341
318599170,8cyclictest0-21swapper/123:00:161
318499174,8cyclictest0-21swapper/023:10:170
318499173,7cyclictest0-21swapper/020:10:140
318499172,4cyclictest0-21swapper/019:55:110
318499172,10cyclictest0-21swapper/021:00:130
3184991710,2cyclictest0-21swapper/021:45:120
2864821710,0sleep10-21swapper/100:28:221
318599164,7cyclictest0-21swapper/121:35:141
318599164,6cyclictest0-21swapper/122:55:181
318599163,6cyclictest0-21swapper/123:20:171
3185991610,2cyclictest0-21swapper/123:05:181
3185991610,2cyclictest0-21swapper/123:05:181
3185991610,2cyclictest0-21swapper/122:50:021
318499163,6cyclictest0-21swapper/000:05:130
318499162,8cyclictest0-21swapper/021:05:220
318499161,7cyclictest0-21swapper/019:30:120
3184991615,0cyclictest24056-21taskset21:25:570
3184991613,3cyclictest0-21swapper/019:38:520
3184991610,3cyclictest0-21swapper/022:45:130
3184991610,3cyclictest0-21swapper/022:24:180
3184991610,1cyclictest0-21swapper/022:00:190
155221610,1sleep10-21swapper/123:16:271
318599158,6cyclictest0-21swapper/122:30:121
318599152,9cyclictest0-21swapper/122:10:101
3185991514,0cyclictest100150irq/106-eth1-rx22:22:391
3185991510,2cyclictest0-21swapper/121:25:131
318599150,6cyclictest26260-21apache_processe20:10:111
318499153,5cyclictest0-21swapper/021:50:120
3184991513,2cyclictest100150irq/106-eth1-rx00:24:170
3184991512,3cyclictest0-21swapper/000:28:160
3184991510,3cyclictest0-21swapper/020:34:090
3184991510,2cyclictest0-21swapper/000:15:110
3184991510,1cyclictest0-21swapper/022:10:110
3184991510,0cyclictest0-21swapper/000:10:130
318599143,5cyclictest0-21swapper/119:45:131
318599142,6cyclictest0-21swapper/120:15:191
318599140,11cyclictest1810-21apache_volume21:55:101
3184991410,0cyclictest0-21swapper/019:20:160
3184991310,0cyclictest26934-21if_err_eth021:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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