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2025-11-18 - 10:21
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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 100 highest latencies:
System rack3slot2.osadl.org (updated Tue Nov 18, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163998624000,4sleep01639984-21sshd19:08:360
174204222680,2sleep01742046-21sort00:30:120
165412022640,3chrt1654115-21munin-run20:00:000
173755522610,3chrt1737537-21ntpq00:16:380
164634122600,2sleep01646339-21ntp_offset19:30:570
167534022560,3sleep01675341-21cron21:15:010
168912922550,3chrt1689130-21latency_hist21:55:100
173882122490,2sleep01738822-21/usr/sbin/munin00:20:290
167864422490,3sleep01678646-21rm21:24:230
167586522470,3chrt1675849-21ntpq21:15:450
172038922450,4chrt1720387-21ld23:26:030
171548222440,3chrt1715472-21ssh23:11:500
170640822400,3chrt1706401-21diskstats22:45:310
172855622030,2sleep01728557-21/usr/sbin/munin23:50:180
165587222000,2sleep01655873-21/usr/sbin/munin20:05:290
170623221970,3chrt1706233-21latency_hist22:45:110
174424221960,3chrt1744234-21ntpq00:36:140
164017599192160,20cyclictest1627789-21kworker/u2:119:15:030
166395421900,2sleep01663956-21grep20:35:070
164017599189160,18cyclictest1722865-21kworker/u2:323:35:290
169773721870,2sleep01697740-21wc22:20:130
166476721850,4chrt1664770-21timerandwakeup20:36:260
169262421840,3sleep01692622-21apt22:05:150
173351121830,4chrt1733513-21grep00:05:110
164360921830,2sleep01643610-21/usr/sbin/munin19:21:090
164017599180146,21cyclictest29-21kswapd021:25:300
171191721690,4chrt1711912-21ntpq23:01:160
169086221690,2sleep01690863-21ls22:00:130
164017599168138,19cyclictest1649042-21kworker/u2:119:45:070
167375121670,4chrt1673752-21latency_hist21:10:110
164017599166137,19cyclictest1734944-21kworker/u2:200:15:110
168651721650,3chrt1686519-21grep21:46:540
164017599164133,19cyclictest84-21jbd2/mmcblk0p2-23:20:070
164017599161131,19cyclictest1681095-21kworker/u2:021:31:570
164017599161125,27cyclictest29-21kswapd000:30:280
164017599160131,19cyclictest1678797-21kworker/u2:221:45:060
164017599160130,19cyclictest1721005-21kworker/u2:023:45:310
164017599160130,19cyclictest1692254-21kworker/u2:322:15:100
164017599160129,20cyclictest84-21jbd2/mmcblk0p2-22:55:420
164017599159129,20cyclictest29-21kswapd023:21:300
164017599159129,20cyclictest1714541-21kworker/u2:223:10:050
164017599152122,18cyclictest1721005-21kworker/u2:023:30:290
164017599151121,20cyclictest1700818-21kworker/u2:322:31:590
164017599150121,19cyclictest29-21kswapd021:35:300
164017599150121,18cyclictest1697122-21kworker/u2:022:40:090
164017599150121,18cyclictest1642905-21kworker/u2:019:20:050
164017599150120,20cyclictest1669468-21kworker/u2:221:05:050
164017599150117,22cyclictest1731761-21cmp00:00:010
164017599149118,18cyclictest1707610-21kworker/u2:322:55:110
164017599148119,19cyclictest1669468-21kworker/u2:221:00:040
164017599148118,19cyclictest1686840-21kworker/u2:122:21:420
164017599148118,19cyclictest1686840-21kworker/u2:122:05:010
164017599148117,19cyclictest1660353-21kworker/u2:020:30:070
164017599145115,19cyclictest1698866-21kworker/u2:222:30:090
164017599145115,19cyclictest1651248-21kworker/u2:019:50:060
164017599145114,20cyclictest84-21jbd2/mmcblk0p2-23:40:590
164017599143114,18cyclictest1656920-21kworker/u2:120:11:220
164017599143114,18cyclictest1647539-21kworker/u2:219:35:370
164017599142114,18cyclictest1721005-21kworker/u2:000:10:090
164017599141112,19cyclictest1658791-21kworker/u2:220:20:030
164017599134104,18cyclictest1660353-21kworker/u2:020:55:070
164017599133105,18cyclictest1651248-21kworker/u2:019:55:020
164017599130100,19cyclictest1644329-21kworker/u2:119:26:180
166558121290,2sleep01665579-21if_wlan020:40:240
16401759911893,16cyclictest1656920-21kworker/u2:120:21:500
16401759911183,19cyclictest1654630-21kworker/u2:220:02:590
16401759910778,18cyclictest1660353-21kworker/u2:020:50:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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