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2023-06-01 - 17:42

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 all highest latencies:
System rack3slot2.osadl.org (updated Thu Jun 01, 2023 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219029122990,4chrt2190283-21ntp_states0
219476422620,4chrt2194753-21/usr/sbin/munin0
217149522470,2sleep02171496-21ntpq0
218826022400,4chrt2187925-21apt-get0
209628122390,2sleep02096284-21cut0
214793322370,3chrt2147931-21/usr/sbin/munin0
212520522240,3chrt2125208-21sort0
214544022190,3sleep02145441-21dpkg0
218299222130,2sleep02182995-21awk0
214350422040,3sleep02143505-21ssh0
215025422030,3sleep02150255-21sh0
212426021930,2sleep02124264-21wc0
211201521910,2sleep02112017-21missed_timers0
215897721870,2sleep02158979-21latency_hist0
216054821840,2sleep02160550-21sh0
218121321830,2sleep02181215-21latency_hist0
213557721810,2sleep02135580-21sed0
218663721630,4chrt2186380-21/usr/sbin/munin0
216792021630,5chrt2167921-21latency0
215298921630,3chrt2152214-21/usr/sbin/munin0
209839821630,4chrt2098397-21sshd0
210923221620,3chrt2109231-21/usr/sbin/munin0
209706521620,4chrt2097064-21sshd0
218627121610,2sleep02186273-21latency_hist0
209297221610,4chrt2092974-21latency_hist0
212932721600,4chrt2129329-21sed0
212119121600,3chrt2120969-21/usr/sbin/munin0
216113521590,3chrt2161137-21missed_timers0
209293399159130,18cyclictest2104920-21kworker/u2:00
215062121570,3chrt2150623-21cpu0
209293399157128,18cyclictest2136150-21kworker/u2:30
213077321560,3chrt2130774-21mailstats0
209293399154126,19cyclictest2083634-21kworker/u2:00
213513021530,3chrt2135129-21sed0
209293399152122,19cyclictest2164213-21kworker/u2:10
209293399149120,19cyclictest2139856-21kworker/u2:10
209293399149119,19cyclictest2161783-21kworker/u2:30
209293399147117,19cyclictest2177451-21kworker/u2:30
211347421440,2sleep02113475-21awk0
209293399143115,17cyclictest2112512-21kworker/u2:10
209293399142112,19cyclictest2103243-21kworker/u2:10
209293399139109,19cyclictest2187954-21kworker/u2:00
209293399135106,19cyclictest2103243-21kworker/u2:10
209293399135104,20cyclictest2089235-21kworker/u2:10
209293399134103,20cyclictest2139856-21kworker/u2:10
209293399132102,19cyclictest2190697-21kworker/u2:10
209293399132101,19cyclictest2116880-21kworker/u2:00
209293399131101,19cyclictest2164213-21kworker/u2:10
209293399130101,18cyclictest2173692-21kworker/u2:00
209293399130100,19cyclictest2166966-21kworker/u2:20
213325521290,3sleep02133257-21sh0
209293399129100,19cyclictest2164213-21kworker/u2:10
212285221270,2sleep02122853-21systemctl0
209293399126101,16cyclictest2154923-21kworker/u2:00
20929339912292,19cyclictest84-21jbd2/mmcblk0p2-0
20929339912190,19cyclictest2112512-21kworker/u2:10
20929339912093,18cyclictest2127904-21kworker/u2:10
20929339911892,16cyclictest2177451-21kworker/u2:30
20929339911888,19cyclictest84-21jbd2/mmcblk0p2-0
20929339911888,19cyclictest2146271-21kworker/u2:10
210840321140,2sleep02108406-21sed0
20929339911285,17cyclictest2104920-21kworker/u2:00
20929339910982,18cyclictest2103243-21kworker/u2:10
20929339910777,19cyclictest84-21jbd2/mmcblk0p2-0
20929339910374,19cyclictest2161783-21kworker/u2:30
2092933999868,20cyclictest2118456-21kworker/u2:20
2092933998760,17cyclictest2118456-21kworker/u2:20
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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