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2026-06-17 - 18:52
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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 Jun 17, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26973216425,109sleep00-21swapper/019:06:060
275019913855,62cyclictest1305-21snmpd23:10:400
275019913768,49cyclictest28984-21munin-run21:20:020
275019913173,37cyclictest801-21dbus-daemon00:40:020
275019912950,37cyclictest4290-21ntpq19:45:400
275019912752,57cyclictest134622chrt22:25:200
275019912752,38cyclictest3727-21cut23:55:150
275019912653,51cyclictest9263-21/usr/sbin/munin20:05:290
275019912639,32cyclictest14510-21apt-get20:27:080
275019912540,32cyclictest5329-21df19:50:180
275019912451,36cyclictest9054-21seq20:04:190
275019912449,19cyclictest817-21sshd19:31:260
275019912353,53cyclictest13425-21/usr/sbin/munin00:30:520
275019912352,35cyclictest7322-21latency_hist00:10:100
275019912348,37cyclictest9032-21chrt22:06:580
275019912276,34cyclictest6055-21cron00:05:000
275019912252,51cyclictest14588-21wget22:30:140
275019912250,33cyclictest12596-21ntp_states20:16:180
275019912243,38cyclictest7325-21apt-get00:12:110
275019912155,49cyclictest10250irq/56-4a10000019:16:180
275019912154,34cyclictest29347-21fw_forwarded_lo21:20:260
275019912152,51cyclictest21696-21sshd22:58:450
275019912148,20cyclictest11777-21df00:25:240
275019912045,36cyclictest26860-21apt-get23:17:040
275019912042,23cyclictest6520-21apt-get22:02:120
275019911976,32cyclictest4485-21netstat21:50:340
275019911970,37cyclictest30306-21runrttasks19:20:210
275019911958,42cyclictest3554-21runrttasks19:43:070
275019911952,24cyclictest26093-21apt-get21:11:250
275019911950,51cyclictest7536-21gpgv20:00:050
275019911945,36cyclictest11188-21/usr/sbin/munin22:15:440
275019911875,33cyclictest1408-21nginx22:11:510
275019911874,33cyclictest17517-21aten_r7power_cu20:35:130
275019911856,21cyclictest6522-21munin-run22:00:020
275019911853,22cyclictest10891-21ntp_states20:10:390
275019911849,49cyclictest1305-21snmpd00:19:310
275019911849,48cyclictest31299-21seq23:35:250
275019911845,35cyclictest25382-21awk21:05:440
275019911845,18cyclictest12425-21ntp_states22:20:430
275019911774,33cyclictest13743-21ntpq20:20:360
275019911746,33cyclictest1892-21sshd23:46:440
275019911653,45cyclictest29879-21wget23:30:140
275019911650,22cyclictest3311-21ntp_states21:45:420
275019911649,48cyclictest16253-21/usr/sbin/munin20:30:430
275019911645,31cyclictest22382-21sshd23:00:430
275019911644,33cyclictest31365-21wget19:25:140
275019911574,32cyclictest23993-21if_err_eth021:00:300
275019911565,40cyclictest1983-21/usr/sbin/munin21:40:330
275019911544,33cyclictest1305-21snmpd00:24:310
275019911451,21cyclictest32646-21irqstats23:40:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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