You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-06-06 - 15:55

x86 Intel Celeron M @1500 MHz, Linux 5.15.32-rt39 (Profile)

Latency plot of system in rack #6, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
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 rack6slot5.osadl.org (updated Tue Jun 06, 2023 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2851999114816001,5469cyclictest9758-21kworker/0:110:23:590
2851999108855630,5251cyclictest19687-21kworker/0:008:07:390
2851999105175348,5165cyclictest19687-21kworker/0:007:41:490
285199998185161,4646cyclictest24507-21kworker/0:011:27:570
285199996675104,4552cyclictest18815-21kworker/0:212:32:350
285199993654916,4389cyclictest19687-21kworker/0:008:27:010
285199991884683,4501cyclictest19687-21kworker/0:007:25:240
285199991864670,4512cyclictest25879-21kworker/0:209:13:350
285199991514666,4481cyclictest24507-21kworker/0:011:21:220
285199990374774,4249cyclictest20351-21kworker/0:111:38:540
285199988964529,4356cyclictest25879-21kworker/0:209:27:090
285199988834524,4348cyclictest24507-21kworker/0:010:56:500
285199988474659,4136cyclictest9758-21kworker/0:110:12:020
285199988384602,4225cyclictest19687-21kworker/0:007:17:410
285199988384486,4341cyclictest20351-21kworker/0:111:53:510
285199987684666,4091cyclictest20351-21kworker/0:112:24:080
285199987044435,4258cyclictest24507-21kworker/0:011:08:470
285199986874606,4076cyclictest25879-21kworker/0:209:31:290
285199986024386,4205cyclictest19687-21kworker/0:007:50:050
285199984474299,4137cyclictest24507-21kworker/0:011:14:590
285199983614234,4084cyclictest19687-21kworker/0:007:48:100
285199983344206,4077cyclictest19687-21kworker/0:007:31:290
285199982264398,3817cyclictest25879-21kworker/0:209:58:420
285199981084245,3848cyclictest19687-21kworker/0:008:01:110
285199980824090,3977cyclictest19687-21kworker/0:007:23:150
285199980664182,3869cyclictest19687-21kworker/0:007:35:440
285199978944223,3660cyclictest24507-21kworker/0:011:02:340
285199977444020,3683cyclictest19687-21kworker/0:007:14:580
285199977374118,3568cyclictest25879-21kworker/0:209:16:310
285199977274147,3556cyclictest20351-21kworker/0:111:45:180
285199977244072,3637cyclictest25879-21kworker/0:209:47:530
285199976004132,3426cyclictest25879-21kworker/0:209:07:060
285199974973979,3503cyclictest25879-21kworker/0:210:02:070
285199974333751,3640cyclictest24507-21kworker/0:010:49:260
285199973883723,3614cyclictest25879-21kworker/0:208:53:430
285199972153740,3460cyclictest25879-21kworker/0:208:40:360
285199970923820,3261cyclictest25879-21kworker/0:210:08:260
285199970373785,3241cyclictest20351-21kworker/0:111:40:190
285199970033642,3338cyclictest24507-21kworker/0:011:19:460
285199969863781,3201cyclictest25879-21kworker/0:208:46:580
285199968423705,3126cyclictest25879-21kworker/0:208:33:330
285199968293699,3119cyclictest25879-21kworker/0:209:35:440
285199967783628,3100cyclictest19687-21kworker/0:008:14:170
285199967183648,3027cyclictest24507-21kworker/0:010:43:420
285199967053637,3057cyclictest24507-21kworker/0:010:51:030
285199966333598,3024cyclictest9758-21kworker/0:110:29:130
285199966163596,3015cyclictest19687-21kworker/0:008:24:260
285199966133639,2959cyclictest24213-21kworker/0:012:39:280
285199965953519,3045cyclictest25879-21kworker/0:209:21:230
285199965943637,2906cyclictest20351-21kworker/0:112:06:490
285199965593611,2888cyclictest20351-21kworker/0:112:14:200
285199965073428,3056cyclictest19687-21kworker/0:008:16:060
285199965063591,2873cyclictest20351-21kworker/0:111:59:210
285199964143378,3025cyclictest24507-21kworker/0:010:39:340
285199963373453,2872cyclictest9758-21kworker/0:110:34:320
285199963253352,2958cyclictest25879-21kworker/0:209:43:190
285199963033492,2760cyclictest25879-21kworker/0:209:52:250
285199962983437,2856cyclictest25879-21kworker/0:208:55:370
285199962453369,2861cyclictest9758-21kworker/0:110:17:160
285199961913331,2809cyclictest19687-21kworker/0:007:56:430
285199961673367,2788cyclictest25879-21kworker/0:208:38:060
285199959473257,2679cyclictest20351-21kworker/0:111:34:120
285199959043239,2661cyclictest20351-21kworker/0:112:00:570
285199956293171,2443cyclictest20351-21kworker/0:112:16:380
285199953122839,2462cyclictest25879-21kworker/0:209:04:290
280732776184,203sleep00-21swapper07:07:000
285199939631,351cyclictest18585-21ssh12:26:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional