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2026-07-09 - 08:29
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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 Jul 09, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178979022530,2sleep01789792-21sort23:40:080
172032722480,3chrt1720325-21/usr/sbin/munin19:30:150
179664222470,4chrt1796640-21/usr/sbin/munin00:05:230
178004222460,3chrt1780040-21cat23:05:070
180113722420,4chrt1801125-21ntpq00:20:590
177023822390,3sleep01770239-21munin-plugin-st22:30:010
174179622180,2sleep01741797-21run-parts20:46:180
174711622140,3sleep01747117-21gcc21:05:480
171454599202173,19cyclictest29-21kswapd000:10:210
177797822000,3sleep01777980-21grep22:56:190
174325921950,3chrt1743260-21timerandwakeup20:51:190
171454599194160,23cyclictest1795304-21b-backup00:00:010
176129721880,2sleep01761300-21mailstats21:56:170
171454599182150,20cyclictest1737321-21kworker/u2:020:35:380
173156821750,2sleep01731569-21/usr/sbin/munin20:10:250
171796821750,3chrt1717967-21ld19:21:040
177081221730,4chrt1770807-21ntpq22:30:560
174564821730,4chrt1745650-21ntp_kernel_err21:00:330
177583221720,4chrt1775830-21systemd-run22:50:030
180060621680,3chrt1800607-21cut00:20:070
175426721670,4chrt1754264-21ps21:31:160
180332021660,3chrt22-21kcompactd000:30:010
171735321660,4chrt1717354-21sd-close19:20:030
171454599159128,20cyclictest1724785-21kworker/u2:219:55:430
178633321390,3sleep01786335-21grep23:26:150
177632521370,3sleep01776326-21ntpq22:50:440
171375521350,2sleep01713756-21ld19:05:530
171454599134105,19cyclictest1761925-21kworker/u2:222:25:050
171454599132101,20cyclictest1788349-21kworker/u2:123:40:380
174834921310,2sleep01748350-21/usr/sbin/munin21:10:270
171454599130104,17cyclictest1761925-21kworker/u2:222:17:090
179165121280,3chrt1791646-21ntpq23:45:450
17145459912898,19cyclictest1735446-21kworker/u2:120:30:540
174033921260,3sleep01740341-21uname20:41:140
17145459912294,19cyclictest1714555-21kworker/u2:219:12:230
17145459912089,20cyclictest1761925-21kworker/u2:222:10:070
172993621150,2sleep01729938-21grep20:05:060
17145459910778,20cyclictest1724785-21kworker/u2:219:50:350
17145459910671,23cyclictest1795310-40logrotate00:00:140
17145459910578,18cyclictest1803326-21kworker/u2:100:37:340
17145459910477,18cyclictest1746583-21kworker/u2:021:24:100
17145459910173,18cyclictest1743805-21kworker/u2:220:59:370
17582292950,2sleep01758231-21awk21:45:430
1714545999265,17cyclictest1784204-21kworker/u2:123:22:460
175695028612,19sleep01756948-21ntpq21:41:050
172355428611,18sleep01723552-21ntpq19:41:110
173565428513,18sleep01735657-21df_inode20:25:170
178302728220,52sleep01783062-21if_wlan023:15:240
1714545998253,18cyclictest1768862-21kworker/u2:022:39:160
17220512789,16sleep01722055-21ld19:35:490
175076427713,18sleep01750744-21munin-run21:20:030
178022327511,17sleep01780224-21diskstats23:05:210
179288627411,15sleep01792908-21memory23:50:280
17527902700,2sleep01752791-21ntp_states21:26:100
17732792699,48sleep01773306-21/usr/sbin/munin22:40:230
17255082685,15sleep00-21swapper19:48:360
173425226713,44sleep01734253-21df20:20:130
1714545996742,15cyclictest1781833-21ntpq23:10:320
176239326612,43sleep01762400-21ntpq22:00:410
171895526613,43sleep01718956-21diskstats19:25:190
17880042635,9sleep00-21swapper23:32:150
175555026310,42sleep01755546-21ntp_states21:36:070
1714545996314,26cyclictest1759577-21ntpq21:50:370
1714545996313,18cyclictest0-21swapper20:06:560
1714545996227,25cyclictest1733143-21ldconfig20:15:420
1714545996113,18cyclictest1803703-21memory00:30:290
1714545995831,16cyclictest1765121-21ntpq22:10:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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