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2026-08-12 - 06:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot2.osadl.org (updated Wed Aug 12, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162353524700,3sleep01623538-21idleruntime-cro19:10:000
162354799309275,22cyclictest1707398-21ld00:11:040
162354799278247,20cyclictest29-21kswapd000:15:230
169274522630,3chrt1691927-21/usr/sbin/munin23:16:230
168938322620,2sleep01689384-21cat23:05:280
164948822490,3chrt1649487-21/usr/sbin/munin20:41:170
164486122490,3chrt1644864-21wc20:25:320
171010222460,3chrt1710099-21ntpq00:20:470
165418922180,2sleep01654184-21awk21:00:000
168765022060,3sleep01687651-21/usr/sbin/munin23:00:020
162354799203172,20cyclictest1702947-21kworker/u2:100:00:120
168628022020,2sleep01686282-21grep22:55:060
162354799186129,46cyclictest1664392-21kworker/u2:022:20:210
164214921770,5chrt1642146-21ntpq20:15:420
167290821750,3chrt1672906-21ntp_states22:05:580
168221721700,4chrt1682214-21apt-get22:40:100
166752521700,3chrt1667526-21systemctl21:46:160
166570921700,4chrt1665710-21cat21:40:250
162679721690,3chrt1626794-21ntpq19:20:330
166145221680,4chrt1661450-21if_eth021:25:240
162923721630,3chrt1629239-21sed19:30:080
162354799161127,22cyclictest1704345-21cmp00:00:020
162354799148118,18cyclictest1633754-21kworker/u2:119:46:100
162354799145115,20cyclictest1700643-21kworker/u2:023:45:520
171511121370,3sleep01715112-21sh00:40:000
170205021350,3sleep01702053-21grep23:50:410
168797921260,2sleep01687982-21wc23:00:240
162540021200,3sleep01625395-21ntpq19:15:360
16235479911991,19cyclictest1631929-21kworker/u2:019:45:040
165888321180,2sleep01658884-21ld21:15:440
162944721180,2sleep01629448-21uname19:30:270
16235479911484,19cyclictest1646244-21kworker/u2:120:38:390
167451421030,3sleep01674515-21/usr/sbin/munin22:11:160
16235479910173,19cyclictest1664392-21kworker/u2:021:53:270
16235479910071,18cyclictest1660171-21kworker/u2:221:30:100
16917732960,2sleep01691771-21sshd23:14:550
1623547999656,29cyclictest1670932-21kworker/u2:222:02:430
1623547999466,19cyclictest1679709-21kworker/u2:222:45:250
1623547999026,54cyclictest1639788-21timerwakeupswit20:06:280
1623547999013,52cyclictest899-21mta-sts-daemon23:35:350
1623547999013,50cyclictest1669971-21ntpq21:55:330
1623547998926,52cyclictest1656223-21chrt21:06:080
1623547998919,44cyclictest1637460-21sh20:00:020
1623547998912,52cyclictest1682090-21unin-run22:40:040
1623547998912,51cyclictest1680653-21latency_hist22:35:070
1623547998831,47cyclictest1711167-21df00:25:150
1623547998830,47cyclictest1643686-21ntp_states20:21:090
1623547998830,46cyclictest1699255-21ntpq23:40:380
1623547998829,47cyclictest1693753-21ntpq23:20:500
1623547998813,49cyclictest1678334-21ntpq22:25:300
1623547998730,46cyclictest1675353-21awk22:15:230
1623547998730,45cyclictest1631143-21ntpq19:36:100
1623547998727,48cyclictest1697304-21runrttasks23:34:310
1623547998713,49cyclictest1660169-21memory21:20:310
1623547998713,48cyclictest1695042-21ntpq23:25:310
1623547998712,50cyclictest1654802-21ntp_states21:00:590
1623547998712,48cyclictest1664388-21ntpq21:35:310
1623547998711,52cyclictest1658379-21systemd-run21:15:020
1623547998710,52cyclictest1640787-21ntp_kernel_pll_20:10:480
1623547998614,45cyclictest1637881-21memory20:00:320
1623547998613,47cyclictest1624017-21ntpq19:10:360
1623547998612,49cyclictest1646297-21ntpq20:30:370
1623547998528,47cyclictest1706715-21seq00:09:370
1623547998528,46cyclictest1650236-21df_inode20:45:170
1623547998526,48cyclictest1712473-21chrt00:30:090
1623547998513,46cyclictest1635148-21ntpq19:50:320
1623547998510,50cyclictest1651625-21runrttasks20:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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