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2023-04-01 - 22:36

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 376 highest latencies:
System rack3slot2.osadl.org (updated Sat Apr 01, 2023 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43899622950,3sleep0438997-21cat0
42200322510,3chrt422004-21missed_timers0
48156022380,2sleep0481562-21latency0
44552822030,2sleep0445530-21grep0
47011121910,3sleep0470112-21if_eth00
41626299188157,20cyclictest419912-21kworker/u2:00
41626299186158,18cyclictest419912-21kworker/u2:00
41626299186156,18cyclictest423802-21kworker/u2:10
41626299185156,18cyclictest439842-21kworker/u2:20
41626299184154,18cyclictest447541-21kworker/u2:10
41626299183154,19cyclictest456351-21kworker/u2:30
41626299183152,19cyclictest493816-21kworker/u2:10
42564221810,2sleep0425644-21latency_hist0
46430421790,4chrt464303-21/usr/sbin/munin0
41626299179151,18cyclictest447541-21kworker/u2:10
45596021780,2sleep0455958-21if_err_wlan00
41626299178148,19cyclictest478492-21kworker/u2:10
41890321770,2sleep0418901-21ls0
41626299177149,18cyclictest490727-21kworker/u2:30
41626299177147,18cyclictest419912-21kworker/u2:00
41626299175146,18cyclictest473574-21kworker/u2:20
41626299175146,17cyclictest403315-21kworker/u2:00
41626299174147,17cyclictest447541-21kworker/u2:10
41626299173145,17cyclictest473574-21kworker/u2:20
41626299173144,18cyclictest493816-21kworker/u2:10
45379021720,3chrt1-21systemd0
41626299172142,19cyclictest419912-21kworker/u2:00
41626299171140,18cyclictest478492-21kworker/u2:10
50044421700,5chrt499984-21/usr/sbin/munin0
41626299169139,18cyclictest447541-21kworker/u2:10
41626299169138,19cyclictest456351-21kworker/u2:30
41626299169125,19cyclictest84-21jbd2/mmcblk0p2-0
47469921680,4chrt474701-21processes0
41626299166138,18cyclictest439842-21kworker/u2:20
41626299165136,19cyclictest419912-21kworker/u2:00
41626299165135,19cyclictest478492-21kworker/u2:10
41626299163134,19cyclictest84-21jbd2/mmcblk0p2-0
41626299163134,18cyclictest459343-21kworker/u2:20
41626299163134,17cyclictest456351-21kworker/u2:30
41626299163133,18cyclictest447541-21kworker/u2:10
49836821620,3sleep0498369-21munin-plugin-st0
41626299162133,18cyclictest493816-21kworker/u2:10
41626299162132,18cyclictest456351-21kworker/u2:30
41626299161132,18cyclictest459343-21kworker/u2:20
47675821600,4chrt476757-21ssh0
41626299160132,18cyclictest473574-21kworker/u2:20
41626299160131,18cyclictest473574-21kworker/u2:20
41626299159130,18cyclictest493816-21kworker/u2:10
41626299159128,19cyclictest505621-21kworker/u2:20
50450321560,3sleep0504506-21latency_hist0
41626299154125,18cyclictest465283-21kworker/u2:00
41626299153124,18cyclictest419912-21kworker/u2:00
49015521490,2sleep0490159-21wc0
41626299149119,19cyclictest430568-21kworker/u2:10
41626299149119,18cyclictest423802-21kworker/u2:10
41626299149118,19cyclictest456351-21kworker/u2:30
41626299148119,18cyclictest439842-21kworker/u2:20
41626299147117,19cyclictest473574-21kworker/u2:20
41626299143114,18cyclictest439842-21kworker/u2:20
42961421420,2sleep0429617-21latency_hist0
41626299142115,16cyclictest473574-21kworker/u2:20
41626299138107,18cyclictest434292-21kworker/u2:20
41626299137109,18cyclictest439842-21kworker/u2:20
41626299131104,17cyclictest403315-21kworker/u2:00
41626299128102,17cyclictest428806-21kworker/u2:20
4162629911989,19cyclictest419912-21kworker/u2:00
4162629911890,18cyclictest419912-21kworker/u2:00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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