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2025-12-24 - 23:26
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 50 highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 24, 2025 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10536219924,55sleep010534-21ntp_states07:05:310
113509916629,116cyclictest1408-21nginx10:41:180
11350991629,15cyclictest9885-21users11:16:380
113509916210,110cyclictest29164-21ntp_states10:25:420
113509916124,116cyclictest1305-21snmpd08:35:530
11350991606,17cyclictest11900-21diskstats11:25:250
11350991606,114cyclictest6121-21chrt11:04:260
113509916043,105cyclictest24908-21runrttasks12:17:080
11350991579,128cyclictest4961-21sendmail-msp11:00:030
11350991579,127cyclictest1608-21ntpd07:50:350
11350991577,17cyclictest32321-21df08:30:190
11350991577,111cyclictest1305-21snmpd12:27:490
113509915726,114cyclictest10250irq/56-4a10000007:45:130
11350991568,111cyclictest15005-21seq07:20:500
113509915652,95cyclictest30159-21seq08:20:460
113509915633,111cyclictest19919-21cron09:50:010
113509915625,114cyclictest1305-21snmpd11:12:310
11350991558,126cyclictest14009-21df09:25:170
11350991556,15cyclictest9561-21apt-get09:12:130
113509915535,107cyclictest754-21systemd-journal09:50:210
113509915527,115cyclictest19874-21df07:40:170
113509915439,95cyclictest8950irq/40-mmc110:17:060
113509915410,104cyclictest9562-21/usr/sbin/munin09:10:040
113509915330,113cyclictest12079-21apt-get09:17:110
113509915325,108cyclictest1305-21snmpd09:57:150
11350991528,20cyclictest14358-21df11:35:190
11350991518,104cyclictest25412-21ntp_states10:10:430
113509915144,90cyclictest10150irq/55-4a10000007:25:120
113509915120,119cyclictest30241-21apt-get12:40:030
11350991509,100cyclictest2775-21diskstats10:50:200
11350991507,17cyclictest12928-21latency_hist07:15:020
11350991499,17cyclictest12768-21df09:20:180
11350991496,122cyclictest28747-21latency_hist10:25:040
113509914922,112cyclictest21702-21wget12:05:160
11350991489,87cyclictest13119-21df11:30:190
11350991488,120cyclictest17498-21fw_conntrack07:31:040
11350991487,124cyclictest14265-21apt-config07:20:070
11350991486,16cyclictest30197-21df10:30:200
11350991478,99cyclictest20276-21systemctl12:00:010
11350991478,116cyclictest28156-21/usr/sbin/munin12:30:480
11350991477,22cyclictest10472-21wget11:20:140
11350991477,16cyclictest15460-21ntp_states09:30:440
11350991477,127cyclictest29170-21chrt08:17:110
11350991477,122cyclictest17871-21chrt09:40:320
113509914734,102cyclictest15739-21memory11:40:340
113509914716,97cyclictest6372-21grep11:05:150
11350991471,126cyclictest3567-21wget08:45:130
11350991466,118cyclictest16642-21netstat09:35:360
113509914643,93cyclictest31444-21runrttasks10:35:200
113509914617,113cyclictest20562-21aten_r7power_vo12:00:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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