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2023-06-06 - 11:01

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 50 highest latencies:
System rack3slot2.osadl.org (updated Tue Jun 06, 2023 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29769823030,3sleep0297699-21sh0
19382122660,4chrt193777-21apt-get0
22803122550,3chrt228011-21ntp_states0
25667122490,3sleep0256674-21latency_hist0
26573722470,3sleep0265741-21cut0
24878622460,2sleep0248789-21cut0
26406122440,3chrt264059-21/usr/sbin/munin0
24629122410,3chrt246294-21cron0
26743522380,3chrt267429-21irqstats0
23691222170,3sleep0236910-21threads0
28681522160,3sleep0286817-21cat0
21652622140,3sleep0216529-21wc0
24814822050,2sleep0248149-21cat0
23163822020,2sleep0231639-21sh0
21289122010,2sleep0212892-21ntpq0
29012821930,3sleep0290130-21cat0
26014821910,3sleep0260149-21sed0
22037821910,3sleep0220376-21cat0
21109821900,2sleep0211099-21ls0
29478021830,2sleep0294778-21interrupts0
24297621730,3chrt242978-21latency_hist0
19379399171112,48cyclictest84-21jbd2/mmcblk0p2-0
24357421630,3chrt243575-21/usr/sbin/munin0
27590121620,4chrt275900-21ssh0
21809621580,4chrt218095-21/usr/sbin/munin0
27456521570,3chrt274563-21ntp_states0
22454221570,3chrt224292-21apt-get0
19379399157126,20cyclictest84-21jbd2/mmcblk0p2-0
19379399156126,20cyclictest84-21jbd2/mmcblk0p2-0
19379399155124,19cyclictest84-21jbd2/mmcblk0p2-0
19379399154121,22cyclictest108-21systemd-journal0
22947821530,4chrt229476-21/usr/sbin/munin0
20918421530,3chrt205908-21kworker/u2:10
19379399145116,20cyclictest248008-21kworker/u2:10
19379399135107,19cyclictest266597-21kworker/u2:00
19379399130100,19cyclictest201773-21kworker/u2:10
1937939912972,45cyclictest268730-21kworker/u2:10
1937939912694,20cyclictest84-21jbd2/mmcblk0p2-0
22441221230,3sleep0224414-21wc0
1937939912190,20cyclictest266597-21kworker/u2:00
1937939911991,19cyclictest275646-21kworker/u2:20
1937939911991,18cyclictest197791-21kworker/u2:00
436991180,7rtkit-daemon435-21rtkit-daemon0
26310821180,3sleep0263106-21ssh0
436991130,8rtkit-daemon435-21rtkit-daemon0
1937939911385,19cyclictest191436-21kworker/u2:00
1937939910883,16cyclictest250947-21kworker/u2:20
1937939910879,19cyclictest84-21jbd2/mmcblk0p2-0
1937939910675,19cyclictest84-21jbd2/mmcblk0p2-0
1937939910472,21cyclictest237751-21kworker/u2:20
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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