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2025-08-21 - 18:53
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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 highest latencies:
System rack3slot2.osadl.org (updated Thu Aug 21, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171141722700,3chrt1711413-21diskstats11:25:280
165925122700,3chrt1659250-21unin-run08:45:050
170121422570,3sleep01701216-21sort10:55:090
164811822400,2chrt1648117-21cat08:05:070
171622722380,3chrt1716221-21munin-node11:40:120
167184622370,2sleep01671847-21ntpq09:25:530
169477022320,3chrt1694768-21apt10:35:130
163268599216159,46cyclictest1676335-21sendmail-msp09:40:010
169966422140,2sleep01699662-21cat10:50:090
166134422070,2sleep01661345-21processes08:51:180
164057222070,2sleep01640575-21sort07:36:310
168600822050,2sleep01686009-21ssh10:08:050
169238922000,2sleep01692390-21/usr/sbin/munin10:26:580
166798922000,2sleep01667991-21rm09:15:090
163268599189155,23cyclictest1734236-21anacron12:33:380
163268599189155,23cyclictest1669642-21true09:20:050
168472521830,3chrt1684726-21ssh10:05:010
163268599182117,54cyclictest29-21kswapd012:15:270
163268599181110,19cyclictest29-21kswapd012:35:270
163268599180108,20cyclictest84-21jbd2/mmcblk0p2-10:15:590
167362221770,4chrt1673603-21ntpq09:31:200
163268599177148,18cyclictest1629397-21kworker/u2:107:10:060
169069321750,2sleep01690691-21timerwakeupswit10:21:540
163268599175140,22cyclictest1716400-21/usr/sbin/munin11:40:270
163268599171140,19cyclictest1659639-21kworker/u2:108:55:360
172234721700,3sleep01722348-21ssh11:57:430
170976221700,2sleep01709763-21/usr/sbin/munin11:20:260
163268599169105,18cyclictest29-21kswapd009:55:270
163268599168142,16cyclictest1649475-21kworker/u2:008:30:070
172663321660,4chrt1726630-21ntpq12:10:410
163268599165134,20cyclictest1669490-21kworker/u2:009:25:050
173008321640,3chrt1730078-21ntpq12:21:010
172453421640,4chrt1724512-21/usr/sbin/munin12:05:090
165709421640,4chrt1657060-21ntp_states08:36:150
167864621630,4chrt1678645-21ld09:46:090
165413621630,4chrt1654133-21ntpq08:25:400
168686521620,3chrt1686862-21ntpq10:10:440
168001821620,3sleep01680019-21ssh09:50:320
163268599161133,17cyclictest1666211-21kworker/u2:209:45:040
163268599161131,20cyclictest29-21kswapd010:31:290
164864621580,3chrt1648643-21ntpq08:05:560
163268599156128,19cyclictest29-21kswapd007:45:240
163268599156126,19cyclictest1664388-21kworker/u2:009:05:320
163268599153123,19cyclictest1649475-21kworker/u2:008:45:350
163268599152120,20cyclictest84-21jbd2/mmcblk0p2-07:55:370
163268599150121,19cyclictest1697971-21kworker/u2:011:05:090
163268599149119,20cyclictest29-21kswapd011:16:340
163268599148118,21cyclictest29-21kswapd007:41:050
163268599143113,19cyclictest1649475-21kworker/u2:008:20:030
163268599142112,19cyclictest84-21jbd2/mmcblk0p2-11:07:010
165369421410,2sleep01653696-21latency_hist08:25:050
163268599137107,19cyclictest1627075-21kworker/u2:007:15:080
163268599135105,19cyclictest1649475-21kworker/u2:008:11:060
163268599135104,20cyclictest84-21jbd2/mmcblk0p2-12:06:440
163268599135103,21cyclictest1695978-21kworker/u2:110:40:230
163268599133103,20cyclictest84-21jbd2/mmcblk0p2-07:21:190
163268599132104,17cyclictest1697971-21kworker/u2:010:55:280
163268599131102,19cyclictest1702302-21kworker/u2:111:45:550
163268599131100,20cyclictest84-21jbd2/mmcblk0p2-07:10:550
16326859912694,21cyclictest84-21jbd2/mmcblk0p2-11:30:100
16326859912392,20cyclictest1717334-21kworker/u2:011:51:480
16326859912292,19cyclictest1705927-21kworker/u2:311:10:270
16326859912280,19cyclictest1662498-21kworker/u2:209:00:370
163860521160,2sleep01638608-21cut07:30:280
16326859911382,20cyclictest84-21jbd2/mmcblk0p2-07:50:400
16326859911282,19cyclictest1712661-21kworker/u2:212:26:560
1632685998051,19cyclictest1627075-21kworker/u2:007:30:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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