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2026-08-20 - 06:58
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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 highest latencies:
System rack7slot8.osadl.org (updated Wed Aug 19, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24808221731,55sleep00-21swapper/007:08:320
25049991709,107cyclictest18998-21diskstats11:00:230
250499916628,97cyclictest11047-21sshd12:34:360
25049991627,101cyclictest16978-21df08:45:190
25049991617,98cyclictest30009-21apt-get07:31:300
25049991607,95cyclictest30264-21apt-get11:47:070
25049991607,114cyclictest27382-21apt-get11:35:460
25049991599,112cyclictest6162-21memory12:15:360
25049991598,100cyclictest21447-21df11:10:170
250499915948,99cyclictest29168-21runrttasks09:32:090
25049991589,91cyclictest5974-21ntp_states08:00:410
25049991578,100cyclictest11452-21df12:35:180
250499915717,119cyclictest23889-21wget11:20:160
25049991557,129cyclictest1305-21snmpd08:26:560
25049991547,128cyclictest11504-21chrt10:30:190
25049991547,125cyclictest30279-21apt-get11:45:040
25049991547,107cyclictest1305-21snmpd09:17:110
25049991545,129cyclictest13292-21/usr/sbin/munin08:30:290
250499915422,114cyclictest1276-21runrttasks10:10:140
25049991537,109cyclictest1305-21snmpd12:12:490
25049991529,123cyclictest32097-21nfs_client07:35:350
25049991527,107cyclictest5070-21sshd10:05:090
250499915245,95cyclictest43352chrt07:55:130
250499915237,102cyclictest26114-21awk09:20:460
25049991517,108cyclictest23214-21diskstats09:10:230
250499915145,94cyclictest4323-21runrttasks10:01:210
250499915141,99cyclictest27395-21gpgv11:35:040
250499915132,108cyclictest22307-21grep09:05:450
250499915128,104cyclictest18022-21/usr/sbin/munin08:50:100
25049991507,90cyclictest12736-21df10:35:180
25049991506,105cyclictest22727-21forks11:15:260
250499915042,96cyclictest8877-21runrttasks10:20:140
25049991498,101cyclictest10069-21/usr/sbin/munin10:25:290
25049991497,122cyclictest30743-21cron09:40:060
25049991497,122cyclictest1305-21snmpd12:27:520
25049991496,99cyclictest8322-21apt-get10:17:020
25049991477,98cyclictest1276-21runrttasks09:45:280
250499914748,84cyclictest101ktimersoftd/008:10:230
250499914741,93cyclictest27856-21runrttasks07:20:220
250499914739,97cyclictest20210-21runrttasks11:05:160
250499914737,99cyclictest14490-21diskstats08:35:210
250499914735,100cyclictest10234-21runrttasks08:18:240
25049991467,124cyclictest1025-21diskstats11:55:280
25049991467,123cyclictest20587-21chrt09:00:150
25049991466,120cyclictest3390-21/usr/sbin/munin07:50:330
250499914639,93cyclictest801-21dbus-daemon07:15:000
250499914618,116cyclictest14007-21df_inode10:40:200
250499914615,110cyclictest1276-21runrttasks08:09:570
25049991457,97cyclictest11375-21runrttasks08:22:240
25049991457,118cyclictest7491-21chrt12:20:360
25049991455,120cyclictest922-21/usr/sbin/munin09:50:100
250499914522,105cyclictest29659-21wget09:35:130
25049991449,93cyclictest16472-21df10:50:180
25049991447,98cyclictest25319-21irqstats11:25:310
25049991446,98cyclictest32540-21awk11:50:470
25049991446,118cyclictest26960-21df_inode09:25:190
250499914348,85cyclictest3367-21latency_hist10:00:050
25049991429,119cyclictest1658-21sshd07:44:380
25049991426,121cyclictest27155-21runrttasks07:17:080
250499914243,86cyclictest2775-21runrttasks12:01:180
250499914233,95cyclictest4456-21latency_hist12:10:040
25049991417,101cyclictest19653-21ntp_states08:55:410
250499914131,98cyclictest2082-21seq07:45:300
250499914122,101cyclictest1305-21snmpd07:29:430
25049991408,92cyclictest754-21systemd-journal11:00:020
25049991407,117cyclictest15254-21diskstats10:45:220
250499914028,101cyclictest1305-21snmpd08:40:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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