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2023-06-01 - 23:40

x86 Intel Celeron M @1600 MHz, Linux 5.4.74-rt41 (Profile)

Latency plot of system in rack #6, slot #6
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
Characteristics of the highest latencies:
System rack6slot6.osadl.org (updated Thu Jun 01, 2023 12:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214209910907054787,54281cyclictest1772-21hald07:51:020
214209910675653414,53277cyclictest0-21swapper07:56:130
214209910670353419,53190cyclictest0-21swapper08:09:570
214209910668953454,53235cyclictest0-21swapper07:35:070
214209910656853459,53045cyclictest9-21ksoftirqd/009:17:060
214209910654853475,53073cyclictest0-21swapper08:30:530
214209910654353385,53093cyclictest0-21swapper09:14:460
214209910649853452,53046cyclictest0-21swapper12:03:140
214209910648953468,53021cyclictest0-21swapper08:50:190
214209910648653405,53081cyclictest0-21swapper07:30:360
214209910647853415,53063cyclictest0-21swapper10:49:430
214209910646553411,53054cyclictest0-21swapper12:39:550
214209910646453455,53009cyclictest0-21swapper12:13:070
214209910645653406,53050cyclictest0-21swapper10:26:560
214209910644453440,53004cyclictest0-21swapper09:27:390
214209910640153408,52993cyclictest0-21swapper07:15:010
214209910637453472,52902cyclictest0-21swapper08:25:210
214209910637153470,52901cyclictest0-21swapper08:42:360
214209910631053414,52800cyclictest14366-21ssh11:40:180
214209910630753440,52867cyclictest0-21swapper09:07:140
214209910630653375,52866cyclictest0-21swapper11:47:400
214209910629953435,52864cyclictest0-21swapper12:32:030
214209910628653429,52857cyclictest0-21swapper07:41:490
214209910625353415,52748cyclictest0-21swapper08:04:460
214209910618753458,52729cyclictest0-21swapper07:29:250
214209910618453421,52763cyclictest0-21swapper08:11:070
214209910618453415,52769cyclictest0-21swapper07:20:530
214209910614553394,52751cyclictest0-21swapper09:40:030
214209910608753413,52674cyclictest0-21swapper09:01:420
214209910580453310,52494cyclictest0-21swapper11:03:370
214209910564852909,52736cyclictest15576-21ssh12:27:110
214209910561352902,52709cyclictest15547-21ssh10:09:310
214209910560852945,52661cyclictest27193-21ssh11:11:390
214209910541653161,52255cyclictest0-21swapper11:23:130
214209910534853067,52278cyclictest3950irq/9-acpi10:51:130
214209910511153001,52108cyclictest0-21swapper10:55:050
21420995404653382,664cyclictest0-21swapper09:33:010
21420995375053418,332cyclictest0-21swapper11:09:190
21420995368353382,237cyclictest0-21swapper08:58:210
21420995365253376,213cyclictest0-21swapper08:37:050
21420995355853381,177cyclictest0-21swapper11:32:450
21420995346227,53341cyclictest0-21swapper11:37:370
21420995340425,102cyclictest0-21swapper10:32:380
21420995337627,276cyclictest0-21swapper10:39:500
21420995311626,53090cyclictest0-21swapper07:47:310
21420995307426,0cyclictest0-21swapper07:11:400
21420995294825,52832cyclictest0-21swapper11:56:420
21420995293224,52908cyclictest0-21swapper08:45:570
214209940492379,1667cyclictest2577-21devkit-power-da09:35:120
214209924621086,1248cyclictest31647-21ssh11:18:310
214209924411035,1281cyclictest2351-21ssh12:09:060
214209924291092,1245cyclictest25999-21kworker/0:310:43:010
214209923551098,1190cyclictest132050irq/9-eth010:14:030
214209920911036,960cyclictest3950irq/9-acpi11:53:410
214209920761082,900cyclictest0-21swapper09:47:450
214209920601017,1008cyclictest0-21swapper12:20:590
214209920461004,1007cyclictest0-21swapper10:00:590
214209920211067,861cyclictest0-21swapper09:24:180
214209919901026,929cyclictest0-21swapper08:22:100
214209919861031,861cyclictest0-21swapper09:58:280
21420991935964,933cyclictest6086-21ssh11:27:540
21420991913921,978cyclictest0-21swapper10:20:550
214209918691050,725cyclictest0-21swapper09:52:260
21420991784918,842cyclictest8458-21ssh12:16:580
214209916421041,601cyclictest0-21swapper10:19:440
214209915361091,379cyclictest0-21swapper08:16:390
20548258830,330sleep020553-21grep07:06:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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