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2025-11-24 - 09:14
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot3.osadl.org (updated Mon Nov 24, 2025 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2049499261113cyclictest20142-21ssh21:24:420
2049499258128cyclictest15672-21runrttasks21:05:550
2049499256129cyclictest22259-21netwatch21:33:260
2049499256126cyclictest22157-21latency_hist23:52:110
2049499253132cyclictest2720-21lxpanel20:17:140
2049499253126cyclictest1045-21interrupts20:02:170
2049499252231cyclictest28802sleep22:28:110
2049499252131cyclictest18175-21awk21:16:500
2049499251129cyclictest28658-21runrttasks00:20:390
2049499251123cyclictest23087-21munin-run23:56:380
2049499251116cyclictest29026-21sh00:22:140
2049499250113cyclictest12820-21munin-node0
2049499249121cyclictest8466-21mailstats20:33:280
2049499247124cyclictest7145-21munin-node0
2049499246124cyclictest15689-21sh23:23:120
2049499246123cyclictest19693-21munin-node0
2049499246121cyclictest31563-21perl22:12:450
2049499246121cyclictest23361-21diskmemload21:38:090
2049499246120cyclictest30113-21df22:07:080
2049499245119cyclictest6759-21ssh22:44:170
204949924485cyclictest19134-21sh21:20:460
204949924470cyclictest5937-21cron22:41:260
2049499244120cyclictest31101-21diskmemload22:11:100
2049499244119cyclictest9635-21latency_hist22:57:180
2049499244112cyclictest14815-21ssh23:19:380
2049499243122cyclictest2720-21lxpanel20:22:410
2049499243116cyclictest23833-21netwatch23:58:490
204949924298cyclictest11721-21ssh23:06:440
204949924285cyclictest13893-21sh23:16:100
204949924278cyclictest14612-21date21:01:380
2049499242122cyclictest12845-21cpu23:11:400
2049499242121cyclictest10294-21munin-node0
2049499242118cyclictest24804-21ssh21:44:040
2049499242117cyclictest30727-21ping19:50:260
2049499242109cyclictest27619-21cron00:16:260
2049499242109cyclictest25648-21grep00:07:250
2049499241119cyclictest29482-1kworker/0:1H23:31:000
2049499241119cyclictest15721-21diskmemload22:21:540
2049499241117cyclictest25615-21ntp_kernel_pll_19:27:390
2049499241107cyclictest2720-21lxpanel19:56:420
2049499240111cyclictest6910-21if_eth020:27:190
2049499240110cyclictest3578-21munin-node0
204949923981cyclictest2872-21snmpd00:03:590
2049499239117cyclictest2720-21lxpanel21:27:510
2049499239117cyclictest27036-21wc19:33:260
2049499239114cyclictest19777-21ssh23:41:520
204949923877cyclictest27758-21iwlist19:37:200
204949923874cyclictest28214-21memory21:58:280
2049499238121cyclictest22768-21/usr/sbin/munin19:16:390
2049499238113cyclictest16920-21chrt21:11:280
2049499238108cyclictest18432-21ssh23:35:530
204949923768cyclictest9440-21ntp_states20:37:590
204949923765cyclictest2195-21ssh22:26:130
2049499237115cyclictest4416-21df20:16:570
2049499237114cyclictest9790-21grep22:57:430
204949923698cyclictest22795-21munin-node0
2049499236114cyclictest24275-21if_err_eth019:22:140
204949923574cyclictest32125-21ssh00:36:040
2049499235103cyclictest26517-21df21:52:060
2049499234115cyclictest12290-21munin-node0
2049499234109cyclictest26879-21interrupts21:52:580
204949923266cyclictest548-21chrt20:00:090
2049499232112cyclictest3127-21apt20:11:400
2049499228101cyclictest30523-21ping00:28:170
2049499199177cyclictest21116-21processes19:08:100
19581219553sleep19583-21munin-node0
2049499193169cyclictest28558-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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