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2026-05-10 - 20:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Sun May 10, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16077224182227,140sleep00-21swapper07:04:040
163799917416,134cyclictest26098-21apt-get10:06:500
163799917117,131cyclictest10891-21apt-get10:56:520
163799917113,134cyclictest8070-21ntp_states10:48:030
163799917015,129cyclictest9831-21users09:18:210
163799916937,111cyclictest31281-21/usr/sbin/munin10:23:020
163799916821,26cyclictest25284-21ntp_states11:38:020
163799916820,23cyclictest10601-21apt-get09:21:520
163799916816,127cyclictest29560-21apt-get10:16:490
163799916717,123cyclictest9406-21apt-get12:26:530
163799916716,126cyclictest19503-21apt-get11:21:520
163799916715,128cyclictest21463-21memory09:52:500
163799916714,129cyclictest9283-21munin-run12:26:330
163799916714,129cyclictest7584-21irqstats09:12:410
163799916618,26cyclictest17846-21df_inode09:42:250
163799916618,124cyclictest17646-21munin-run11:16:320
163799916519,123cyclictest14038-21apt-get09:31:490
163799916420,26cyclictest26378-21apt-get11:41:520
163799916419,25cyclictest15772-21apt-get09:36:500
163799916417,123cyclictest4236-21/usr/sbin/munin12:13:240
163799916415,125cyclictest12314-21apt-get09:26:510
163799916414,127cyclictest17900-21munin-run07:16:320
163799916411,113cyclictest25276-21unixbench_singl10:03:150
163799916317,122cyclictest2277-21apt-get10:31:560
163799916314,125cyclictest4007-21apt-get10:37:000
163799916218,26cyclictest31794-21df11:57:120
163799916218,21cyclictest17774-21apt-get11:16:500
163799916218,120cyclictest28757-21users10:13:180
163799916217,24cyclictest5940-21apt-get12:16:500
163799916215,122cyclictest5394-21apt-get09:06:490
163799916215,122cyclictest31592-21tr08:31:550
163799916214,22cyclictest20145-21users09:48:160
163799916214,125cyclictest23189-21df11:32:110
163799916214,124cyclictest11466-21df_inode12:32:250
163799916213,125cyclictest783-21apt-get12:01:470
163799916212,124cyclictest28080-21/usr/sbin/munin11:48:110
163799916116,30cyclictest21958-21gzip11:28:090
163799916112,126cyclictest29701-21grep08:21:350
163799916017,21cyclictest10761-21munin-run10:56:320
163799916015,122cyclictest877-21df_inode10:27:260
163799916014,28cyclictest14315-21apt-get11:06:580
163799916014,26cyclictest23529-21/usr/sbin/munin09:58:100
163799916014,22cyclictest30185-21fw_conntrack11:52:280
163799916012,124cyclictest5726-21/usr/sbin/munin10:42:000
163799916011,30cyclictest5279-21ssh09:06:300
163799915921,28cyclictest4122-21munin-run12:11:340
163799915915,120cyclictest26804-21wc08:02:350
163799915911,24cyclictest13546-21ssh11:03:190
16379991589,126cyclictest28484-21fgrep08:12:330
163799915734,88cyclictest18821-21cat07:21:320
163799915734,104cyclictest30862-21df08:27:030
163799915710,122cyclictest19099-21cstates07:21:580
163799915614,120cyclictest1939-21cstates08:46:560
163799915517,25cyclictest17370-21munin-node07:11:400
163799915517,23cyclictest26997-21apt-get08:06:480
163799915514,118cyclictest25208-21/usr/sbin/munin07:57:420
163799915512,24cyclictest21498-21munin-run07:36:310
163799915426,108cyclictest1718-21latency_hist08:46:340
163799915412,27cyclictest2694-21wget08:51:530
163799915410,119cyclictest30557-21sort08:26:340
16379991539,122cyclictest338-21latency08:37:180
163799915316,22cyclictest3580-21apt-get08:56:480
163799915312,22cyclictest22886-21wc07:42:180
163799915310,121cyclictest21780-21sshd07:36:560
163799915217,24cyclictest17465-21munin-node07:46:560
163799915211,23cyclictest24297-21apt07:51:410
163799915013,23cyclictest20208-21/usr/sbin/munin07:27:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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