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2022-08-20 - 05:31

RISC-V RVBoards D1 @1000 MHz, Linux 5.16.0-rt19 (Profile)

Latency plot of system in rack #3, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l50000000 -m -n -a0 -t1 -p99 -i400 -h400 -q
Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Characteristics of the 100, highest latencies:
System rack3slot2.osadl.org (updated Sat Aug 20, 2022 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
347250524020,2sleep03472506-21cat0
349556722580,3chrt3495570-21idleruntime0
355147122560,3chrt3551469-21ps0
354563522480,4chrt1-21systemd0
351741222470,3sleep03517415-21wc0
357032522330,4chrt3570315-21ntp_states0
357547722290,3chrt3575475-21mailstats0
354223922280,3chrt3542240-21cat0
351837922230,2sleep03518380-21sh0
357678522110,4chrt3576786-21cat0
353740421950,2sleep03537405-21if_eth00
356817921930,2sleep03568177-21cat0
352171621930,2sleep03521717-21latency_hist0
356313521900,2sleep03563138-21if_err_wlan00
347354599190158,20cyclictest3523023-21kworker/u2:00
356121021770,3sleep03561198-21ssh0
347354599176145,19cyclictest3499286-21kworker/u2:20
354735021750,4chrt3547352-21sort0
350104021730,3chrt3501039-21sshd0
347354599171142,17cyclictest3474871-21kworker/u2:20
357304321700,3sleep03573044-21sh0
357345421690,4chrt3573452-21irqstats0
347405621690,4chrt3474059-21grep0
347354599169137,21cyclictest3542337-21kworker/u2:30
353612321680,4chrt3536122-21/usr/sbin/munin0
352885121680,4chrt3528849-21irqstats0
348313821680,3chrt3483105-21munin-run0
351095221660,3chrt3510950-21ssh0
347354599161130,19cyclictest3489409-21kworker/u2:00
347354599159131,18cyclictest3480211-21kworker/u2:10
347354599159129,19cyclictest3533237-21kworker/u2:10
353366621580,4chrt3533667-21sed0
351389921570,3chrt3513900-21who0
347354599157127,19cyclictest3525050-21kworker/u2:20
350627721560,4chrt3506275-21ssh0
347354599156128,18cyclictest3552482-21kworker/u2:20
347354599156126,19cyclictest3491174-21kworker/u2:10
347354599153124,18cyclictest3487196-21kworker/u2:30
347354599153123,19cyclictest3533237-21kworker/u2:10
347354599152119,22cyclictest108-21systemd-journal0
347354599151122,18cyclictest3474871-21kworker/u2:20
347354599151119,20cyclictest3533237-21kworker/u2:10
347354599148119,19cyclictest3499286-21kworker/u2:20
353936821430,3sleep03539369-21ntpq0
347354599143115,17cyclictest3529521-21kworker/u2:30
347354599142113,18cyclictest3485628-21kworker/u2:20
347354599142112,19cyclictest3495191-21kworker/u2:00
355827821410,2sleep03558280-21ssh0
347354599141111,19cyclictest3518164-21kworker/u2:30
348087121400,2sleep03480874-21grep0
347354599138108,19cyclictest3525050-21kworker/u2:20
347354599137108,19cyclictest3474871-21kworker/u2:20
347354599136108,19cyclictest3563084-21kworker/u2:20
347354599136107,18cyclictest3542337-21kworker/u2:30
347354599134104,19cyclictest3495191-21kworker/u2:00
347354599133107,17cyclictest3478693-21kworker/u2:00
347354599132103,18cyclictest3552482-21kworker/u2:20
347354599131103,17cyclictest3495191-21kworker/u2:00
34735459912999,19cyclictest3487196-21kworker/u2:30
34735459912997,20cyclictest3489409-21kworker/u2:00
34735459912698,17cyclictest3499286-21kworker/u2:20
34735459912595,18cyclictest3512425-21kworker/u2:10
34735459912498,16cyclictest3565594-21kworker/u2:30
34735459912394,18cyclictest3512425-21kworker/u2:10
34735459912292,19cyclictest3495191-21kworker/u2:00
34735459911889,18cyclictest3481931-21kworker/u2:00
34735459911587,18cyclictest3499286-21kworker/u2:20
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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