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2025-12-13 - 14:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot2.osadl.org (updated Sat Dec 13, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14866602237183,20sleep00-21swapper/007:08:450
14866312233181,42sleep10-21swapper/107:08:221
14867322227198,19sleep20-21swapper/207:09:382
14865882222193,19sleep30-21swapper/307:07:483
1486943996754,12cyclictest1621862-21/usr/share/muni09:45:041
1486941996751,13cyclictest1622087-21snmp_wlanswitch09:45:040
1486949996547,10cyclictest1725263-21snmp_ryswitch.c11:45:013
1486946996248,2cyclictest1725271-21snmp_wlanswitch11:45:012
1486946995651,4cyclictest1621536-21latency_hist09:45:012
1486946995237,2cyclictest1573676-21kworker/2:2+pm10:15:282
1486946995148,2cyclictest1482448-21kworker/u8:2+flush-179:007:35:142
17168572500,1chrt1716856-21ntpq11:35:032
1486946995046,3cyclictest1599567-21kworker/u8:3+events_unbound09:20:142
1486946994945,3cyclictest1551721-21kworker/u8:1+flush-179:008:30:062
1486941994946,2cyclictest1518160-21/usr/sbin/munin07:45:010
1486943994843,3cyclictest1518070-13chrome07:45:021
1486941994843,3cyclictest1772064-21latency_hist12:40:000
16307362470,1chrt1630731-21ntpq09:55:023
1486946994742,4cyclictest1625138-21kworker/u8:1+flush-179:009:55:142
1486949994646,0cyclictest1554724-21awk08:25:153
1486946994541,3cyclictest1475197-21kworker/u8:0+events_unbound07:15:092
148694399454,38cyclictest1569553-21chrome08:45:011
1486946994440,3cyclictest1668777-21kworker/u8:1+flush-179:010:40:272
1486946994340,2cyclictest1482448-21kworker/u8:2+flush-179:007:40:062
1486946994337,4cyclictest1639056-21/usr/share/muni10:05:102
1486941994339,3cyclictest1700545-21apt-get11:15:070
1486946994238,3cyclictest1625138-21kworker/u8:1+events_unbound10:10:142
1486946994237,4cyclictest1560383-21kworker/u8:4+events_unbound09:15:162
1486946994236,4cyclictest1668731-21latency_hist10:40:012
148694199423,38cyclictest1569454-2185c7fd0ce3b078708:45:000
1486941994228,13cyclictest1318-21snmpd10:20:070
1486946994136,4cyclictest1621859-21/usr/share/muni09:45:122
1486949994038,1cyclictest1672869-21kworker/3:1+pm10:54:453
1486946994037,2cyclictest1466941-21kworker/2:1+pm07:45:102
1486946994035,3cyclictest1712124-21kworker/u8:1+flush-179:011:40:062
1486941994036,3cyclictest1681012-31munin-html10:50:300
1486946993937,2cyclictest1698836-21kworker/u8:3+events_unbound12:10:052
1486946993937,2cyclictest1482448-21kworker/u8:2+events_unbound07:25:142
1486946993937,1cyclictest1755288-21kworker/2:1+pm12:20:162
1486946993937,1cyclictest1737262-21kworker/2:0+pm12:01:122
1486946993937,1cyclictest1681438-21kworker/2:2+pm11:10:292
1486946993937,1cyclictest1573676-21kworker/2:2+pm09:50:502
1486946993937,1cyclictest1573676-21kworker/2:2+pm09:00:462
1486946993937,1cyclictest1542233-21kworker/2:0+pm08:15:012
1486946993936,2cyclictest1677125-21kworker/u8:3+events_unbound11:00:142
1486946993936,2cyclictest1668777-21kworker/u8:1+events_unbound10:45:152
1486946993936,2cyclictest1573676-21kworker/2:2+pm09:10:032
1486946993936,2cyclictest1542233-21kworker/2:0+pm08:45:082
1486946993936,2cyclictest1466941-21kworker/2:1+pm08:10:032
1486941993934,3cyclictest1703551-21munin-update11:20:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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