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2025-12-04 - 03:00
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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 the 376 highest latencies:
System rack3slot2.osadl.org (updated Thu Dec 04, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162917622650,4chrt1629161-21ntpq21:51:160
163586822600,2sleep01635869-21collect222:10:480
162339122520,2sleep01623392-21sh21:35:000
158999222500,2chrt1589991-21sshd19:40:190
160993022430,3chrt1609928-21ntpq20:51:130
167903522390,3chrt1679036-21cat00:16:590
168515922370,3chrt1685161-21cut00:35:370
166862522360,3chrt1667908-21/usr/sbin/munin23:46:520
159744122350,3chrt1597443-21processes20:06:170
160392122320,4chrt1603922-21df_inode20:30:180
166049622240,3chrt22-21kcompactd023:22:410
158127899220192,18cyclictest1584132-21kworker/u2:119:27:300
160147722180,4chrt1601476-21ld20:20:530
166156922050,3sleep01661570-21sh23:26:050
158127899204176,17cyclictest1584132-21kworker/u2:119:21:500
167194122020,3sleep01671939-21ntp_states23:56:380
163310121990,2sleep01633102-21ssh22:02:150
164437821920,3sleep01644382-21rm22:35:420
158127899191162,18cyclictest1580370-21kworker/u2:219:12:270
166337921900,4chrt1-21systemd23:31:260
164109621880,4chrt1641093-21ntpq22:26:080
158127899186156,18cyclictest1619870-21kworker/u2:121:25:050
163409321850,3chrt1634091-21memory22:05:400
158127899185142,18cyclictest1628339-21kworker/u2:321:56:560
158127899183155,18cyclictest1645268-21kworker/u2:300:05:060
158127899183150,20cyclictest1680119-21/usr/sbin/munin00:20:360
164610321780,2sleep01646104-21netstat22:40:410
158127899178144,22cyclictest1657545-21true23:15:040
163981821760,3chrt1639821-21sort22:22:010
158127899175148,17cyclictest1633319-21kworker/u2:023:00:070
158127899175145,21cyclictest29-21kswapd000:06:340
158127899172144,18cyclictest1580370-21kworker/u2:219:10:040
158127899171142,18cyclictest1628339-21kworker/u2:322:20:070
158127899171140,20cyclictest84-21jbd2/mmcblk0p2-23:20:050
162562221700,5chrt1625620-21awk21:40:430
158127899170141,18cyclictest1645268-21kworker/u2:322:45:540
158127899169141,17cyclictest1633319-21kworker/u2:022:55:090
158127899168138,18cyclictest1612553-21kworker/u2:221:06:180
158127899168137,21cyclictest29-21kswapd023:41:340
158127899167136,19cyclictest1639996-21kworker/u2:222:30:370
158127899166142,16cyclictest1662506-21kworker/u2:200:26:590
158127899166135,19cyclictest1679154-21kworker/u2:300:31:570
158901921650,4chrt1589021-21open_files19:36:150
158127899165136,18cyclictest1645268-21kworker/u2:323:01:580
167005921630,4chrt1670056-21ntpq23:50:580
158127899163134,18cyclictest1592550-21kworker/u2:119:55:030
158127899163133,19cyclictest1618015-21kworker/u2:221:20:020
167684421620,4chrt1676839-21ntpq00:10:560
158127899161131,18cyclictest1599513-21kworker/u2:120:30:070
159598021580,4chrt1595978-21ntpq20:01:110
158127899158129,18cyclictest1606509-21kworker/u2:220:50:030
158127899156125,19cyclictest84-21jbd2/mmcblk0p2-20:00:030
158127899155126,17cyclictest1584132-21kworker/u2:119:30:370
158127899153125,18cyclictest1588088-21kworker/u2:219:50:060
158127899153125,17cyclictest1615465-21kworker/u2:321:27:000
158127899152123,17cyclictest1623412-21kworker/u2:221:35:420
158127899150123,17cyclictest1625142-21kworker/u2:121:46:340
158127899150122,18cyclictest1593952-21kworker/u2:020:15:030
158127899150119,19cyclictest1606509-21kworker/u2:220:41:180
158127899148118,18cyclictest1609286-21kworker/u2:020:55:380
158127899148118,18cyclictest1593952-21kworker/u2:020:15:370
158127899144115,18cyclictest1599513-21kworker/u2:120:35:370
158127899143115,17cyclictest1582277-21kworker/u2:019:20:060
158127899143114,18cyclictest1662506-21kworker/u2:223:38:210
158127899142111,19cyclictest1609286-21kworker/u2:021:00:340
158127899140110,19cyclictest1645268-21kworker/u2:323:05:410
158127899135105,18cyclictest1612553-21kworker/u2:221:10:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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