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2026-06-26 - 21:25
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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 Fri Jun 26, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24798221338,47sleep00-21swapper/019:09:230
249379917413,110cyclictest10704-21apt-get20:18:220
249379917121,108cyclictest1408-21nginx20:02:170
249379916727,120cyclictest5824-21wget22:05:160
249379916643,105cyclictest10250irq/56-4a10000021:59:030
249379916528,119cyclictest754-21systemd-journal19:45:130
249379916433,109cyclictest13718-21wget20:30:130
249379916138,101cyclictest8183-21/usr/sbin/munin22:15:120
249379916127,112cyclictest3338-21/usr/sbin/munin19:50:260
24937991599,128cyclictest11753-21sshd00:32:040
24937991597,133cyclictest32016-21mailstats23:46:280
249379915925,114cyclictest13448-21sendmail-msp00:40:030
249379915826,114cyclictest17306-21apt-get20:47:100
24937991579,124cyclictest20198-21ntp_states23:00:410
24937991576,12cyclictest10150irq/55-4a10000023:52:060
249379915710,125cyclictest5656-21/usr/sbin/munin00:10:580
24937991568,18cyclictest19577-21chrt22:59:150
24937991558,17cyclictest1408-21nginx20:52:270
24937991549,23cyclictest2353-21ntp_states21:50:390
24937991548,19cyclictest12535-21diskstats22:30:240
249379915423,111cyclictest1845-21latency_hist21:50:040
249379915420,113cyclictest28590-21/usr/sbin/munin23:35:570
249379915327,107cyclictest7166-21wget20:05:160
24937991527,123cyclictest1276-21runrttasks21:40:120
249379915228,113cyclictest9436-21apt-get20:15:020
24937991518,128cyclictest2977-21munin-plugin-st00:00:020
24937991517,18cyclictest29402-21chrt21:30:100
24937991517,122cyclictest9617-21cmp22:20:130
24937991516,16cyclictest29036-21apt-get19:27:080
249379915135,101cyclictest28153-21diskstats19:20:350
249379915124,108cyclictest12537-21wget20:25:150
24937991508,22cyclictest26443-21df19:15:170
249379915041,98cyclictest25712-21aten_r7power_en21:15:140
249379915034,105cyclictest8561-21ntp_states00:20:430
249379915032,107cyclictest21799-21runrttasks21:00:010
249379915025,115cyclictest4842-21chrt00:05:450
249379915025,105cyclictest801-21dbus-daemon21:00:470
24937991499,17cyclictest5704-21munin-plugin-st20:00:000
24937991498,119cyclictest24655-21cron23:20:000
24937991497,22cyclictest1305-21snmpd23:13:450
249379914942,93cyclictest801-21dbus-daemon22:30:000
249379914929,107cyclictest754-21systemd-journal00:27:130
249379914910,24cyclictest24647-21fw_conntrack21:10:250
24937991488,17cyclictest28565-21ntp_states21:25:420
24937991485,20cyclictest3327-21df00:00:170
24937991478,20cyclictest21348-21irqstats23:05:320
24937991478,18cyclictest13561-21apt22:35:120
24937991478,16cyclictest16238-21wget20:40:120
24937991476,16cyclictest1305-21snmpd22:43:390
249379914720,109cyclictest1305-21snmpd21:38:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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