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2022-12-04 - 23:23

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 Sun Dec 04, 2022 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178193724660,2sleep01781938-21/usr/sbin/munin0
181641323070,2sleep01816412-21awk0
178718323070,3chrt1787177-21ntp_states0
182201322540,2sleep01822014-21sh0
185113022340,3chrt1851122-21ssh0
179351722330,3chrt1793520-21cpu0
183618622290,3chrt1836187-21cat0
184315522120,2sleep01843158-21grep0
186253422110,2sleep01862535-21vmstat0
181837822110,3sleep01818380-21grep0
186074221960,2sleep01860744-21awk0
181008121940,2sleep01810082-21/usr/sbin/munin0
183829121820,3chrt1838290-21cp0
179866321810,3sleep01798666-21latency_hist0
178265099180150,18cyclictest1814242-21kworker/u2:00
178265099176146,19cyclictest1814710-21kworker/u2:30
178265099176144,20cyclictest1814242-21kworker/u2:00
180283821710,2sleep01802839-21dpkg0
178265099171140,20cyclictest1864007-21kworker/u2:10
185625221690,3chrt1856251-21/usr/sbin/munin0
178265099168138,20cyclictest1814242-21kworker/u2:00
181123821670,2sleep01811235-21ntpq0
181231321650,4chrt1812311-21sshd0
178265099160131,20cyclictest29-21kswapd00
178265099159128,20cyclictest1814242-21kworker/u2:00
178265099156130,17cyclictest1786657-21kworker/u2:00
178265099155124,20cyclictest1805028-21kworker/u2:10
179904221540,2sleep01799040-21missed_timers0
178265099152122,19cyclictest1805028-21kworker/u2:10
178265099151118,20cyclictest84-21jbd2/mmcblk0p2-0
178265099148118,19cyclictest1814710-21kworker/u2:30
178265099148117,20cyclictest1797137-21kworker/u2:20
178265099144114,19cyclictest1850976-21kworker/u2:30
178265099142113,17cyclictest1835408-21kworker/u2:30
178265099141111,20cyclictest1835408-21kworker/u2:30
178265099139110,18cyclictest1814242-21kworker/u2:00
178265099139108,19cyclictest1814242-21kworker/u2:00
181470221370,3sleep01814703-21sh0
178265099136106,19cyclictest1805028-21kworker/u2:10
178265099134104,19cyclictest1864007-21kworker/u2:10
178265099134103,20cyclictest1782671-21kworker/u2:20
178265099133105,17cyclictest1785324-21kworker/u2:30
178265099132104,19cyclictest1788221-21kworker/u2:10
178265099132102,19cyclictest1814242-21kworker/u2:00
178265099131104,18cyclictest1814242-21kworker/u2:00
178265099131103,19cyclictest1805028-21kworker/u2:10
178265099131101,19cyclictest1814710-21kworker/u2:30
178265099130103,18cyclictest1785324-21kworker/u2:30
17826509912999,19cyclictest1814242-21kworker/u2:00
17826509912998,19cyclictest1805028-21kworker/u2:10
178265099129101,18cyclictest1850976-21kworker/u2:30
17826509912798,19cyclictest1797137-21kworker/u2:20
17826509912696,19cyclictest1830354-21kworker/u2:20
17826509912695,20cyclictest1845596-21kworker/u2:10
17826509912596,19cyclictest1790492-21kworker/u2:20
17826509912394,18cyclictest1802995-21kworker/u2:20
17826509912293,18cyclictest1805028-21kworker/u2:10
17826509912292,20cyclictest84-21jbd2/mmcblk0p2-0
17826509912195,17cyclictest1864007-21kworker/u2:10
17826509911988,20cyclictest1864007-21kworker/u2:10
17826509911889,18cyclictest1814242-21kworker/u2:00
17826509911888,19cyclictest1852737-21kworker/u2:20
17826509911686,19cyclictest1864007-21kworker/u2:10
17826509911585,19cyclictest1845596-21kworker/u2:10
17826509911484,19cyclictest1864007-21kworker/u2:10
17826509911078,20cyclictest84-21jbd2/mmcblk0p2-0
17826509910980,18cyclictest1794637-21kworker/u2:10
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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