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2026-06-22 - 20:35
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Mon Jun 22, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17087220928,50sleep00-21swapper/019:05:440
176599917233,16cyclictest10250irq/56-4a10000020:01:540
176599916633,32cyclictest754-21systemd-journal23:56:290
176599916341,13cyclictest8950irq/40-mmc122:20:210
176599916340,14cyclictest10150irq/55-4a10000021:43:130
17659991628,15cyclictest21676-21df19:25:170
176599916257,93cyclictest5602-21/usr/sbin/munin20:25:430
176599916246,22cyclictest21950-21runrttasks21:30:230
176599916241,12cyclictest10150irq/55-4a10000020:50:010
176599916237,14cyclictest10150irq/55-4a10000023:50:400
17659991618,22cyclictest1305-21snmpd19:47:090
17659991615,26cyclictest32129-21wget22:10:140
17659991607,24cyclictest14256-21ntpq21:00:370
176599916042,17cyclictest21908-21if_eth023:35:410
176599916033,18cyclictest1651-21apt-get22:17:120
176599915949,97cyclictest9895-21runrttasks22:50:020
176599915851,95cyclictest29083-21runrttasks22:00:010
176599915844,20cyclictest1617-21latency_hist00:25:030
176599915835,18cyclictest754-21systemd-journal20:40:010
176599915546,14cyclictest10150irq/55-4a10000000:17:100
17659991548,57cyclictest24354-21/usr/sbin/munin19:35:120
17659991548,19cyclictest6213-21sshd22:35:040
17659991547,37cyclictest28476-21/usr/sbin/munin19:50:410
176599915450,92cyclictest24485-21/usr/sbin/munin23:45:410
176599915443,20cyclictest801-21dbus-daemon23:25:010
17659991538,16cyclictest15001-21apt-get21:07:120
176599915256,85cyclictest26818-21latency_hist19:45:070
176599915247,18cyclictest2372-21runrttasks00:26:130
176599915241,19cyclictest23701-21processes19:31:280
176599915241,19cyclictest10498-21runrttasks22:50:220
176599915241,16cyclictest10250irq/56-4a10000020:10:110
176599915143,15cyclictest17739-21/usr/sbin/munin19:10:110
176599915139,14cyclictest3650irq/20-4900000000:00:350
17659991507,20cyclictest6659-21ntp_states22:35:410
17659991507,14cyclictest29594-21apt-get19:57:110
176599914941,18cyclictest30677-21runrttasks00:11:030
176599914940,18cyclictest23116-21fw_packets23:40:330
176599914934,21cyclictest801-21dbus-daemon21:00:020
176599914934,18cyclictest19376-21ntpq19:15:400
176599914917,30cyclictest16724-21wget23:15:140
176599914910,18cyclictest801-21dbus-daemon00:31:170
17659991489,50cyclictest3425-21apt-get20:17:060
176599914841,17cyclictest11725-21runrttasks22:55:140
176599914839,19cyclictest5445-21runrttasks00:37:380
176599914838,19cyclictest6618-21runrttasks20:30:220
17659991477,16cyclictest31080-21diskstats22:05:370
176599914755,10cyclictest101ktimersoftd/022:00:380
176599914640,19cyclictest17126-21cat21:10:370
176599914640,18cyclictest23484-21seq21:35:460
176599914639,19cyclictest754-21systemd-journal19:22:400
176599914637,19cyclictest11938-21mailstats20:50:540
176599914636,22cyclictest9510-21users20:40:490
176599914549,13cyclictest19173-21aten_r7power_en23:25:150
176599914543,14cyclictest25474-21cat21:45:120
176599914542,18cyclictest21079-21seq23:31:360
176599914540,17cyclictest19244-21latency_hist21:20:050
176599914454,11cyclictest101ktimersoftd/022:25:180
176599914432,20cyclictest1408-21nginx23:08:390
17659991438,48cyclictest419-21irqstats20:05:290
176599914239,18cyclictest13760-21runrttasks23:02:530
176599914239,17cyclictest26761-21runrttasks21:50:130
176599914239,16cyclictest8202-21runrttasks22:41:180
176599914237,17cyclictest16295-21runrttasks23:13:240
176599914051,11cyclictest101ktimersoftd/000:05:160
176599914034,17cyclictest19307-21runrttasks21:20:130
176599914025,29cyclictest4287-21ntpq20:20:350
176599913831,19cyclictest20894-21seq21:25:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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