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2026-08-15 - 01:41
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Aug 14, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23712225940,13sleep017165-1kworker/u3:506:57:120
249959917814,140cyclictest25792-21/usr/sbin/munin09:33:160
249959917318,113cyclictest11651-21munin-run10:26:530
249959917219,125cyclictest3882-21df_inode11:37:480
249959917019,125cyclictest10965-21memory11:58:120
249959917018,129cyclictest27601-21df11:12:340
249959917015,130cyclictest18289-21apt-get09:12:090
249959917014,131cyclictest8704-21apt-get11:52:100
249959916821,109cyclictest17288-21latency_hist12:16:560
249959916817,127cyclictest8946-21ssh10:18:200
249959916817,110cyclictest23848-21apt11:02:000
249959916816,22cyclictest15237-21apt-get10:37:070
249959916716,23cyclictest13867-21ssh12:07:010
249959916716,127cyclictest26946-21apt-get09:37:110
249959916715,128cyclictest22119-21fw_conntrack09:22:520
249959916616,125cyclictest31904-21apt-get07:37:060
249959916616,123cyclictest6598-21apt-get10:12:110
249959916529,116cyclictest14882-21ssh09:02:230
249959916517,123cyclictest30002-21/usr/sbin/munin11:18:360
249959916511,130cyclictest23082-21ssh10:58:400
249959916416,125cyclictest8569-21munin-run11:51:510
249959916415,123cyclictest30390-21apt-get09:47:130
249959916332,115cyclictest24370-1kworker/u3:111:07:140
249959916316,123cyclictest12591-21irqstats12:03:000
249959916314,127cyclictest5242-21apt-get11:42:140
24995991629,27cyclictest13728-21/usr/sbin/munin10:32:280
249959916218,21cyclictest5232-21fw_conntrack10:07:510
249959916218,120cyclictest30780-21apt-get11:22:160
249959916216,27cyclictest20781-21/usr/sbin/munin12:28:300
249959916216,119cyclictest20027-21apt-get09:17:140
249959916210,130cyclictest29605-21users09:43:400
249959916210,127cyclictest17992-21/usr/sbin/munin12:18:230
249959916118,26cyclictest30848-21users07:28:000
249959916118,26cyclictest27405-21apt-get07:12:080
249959916117,120cyclictest19331-21df12:22:350
249959916116,23cyclictest1796-21apt-get11:32:110
249959916115,123cyclictest11772-21apt-get10:27:100
249959916113,124cyclictest32505-21apt-get11:27:140
249959916113,123cyclictest3556-21ssh10:02:580
249959916035,105cyclictest6703-21grep08:17:110
249959916034,19cyclictest19268-21ssh10:48:180
249959916020,25cyclictest16953-21apt-get10:42:080
249959916018,22cyclictest20417-21apt-get10:52:130
249959916010,125cyclictest16552-21ssh09:07:080
249959915915,121cyclictest32108-21apt-get09:52:150
249959915913,28cyclictest5772-21/usr/sbin/munin08:12:010
249959915816,24cyclictest24406-21users09:28:380
249959915815,119cyclictest31277-21df_inode07:32:260
249959915717,23cyclictest1489-21/usr/sbin/munin07:47:240
249959915716,116cyclictest26033-21munin-node07:06:580
249959915715,21cyclictest1850-21irqstats09:58:040
249959915711,123cyclictest14732-21sort09:01:560
249959915619,24cyclictest28303-21apt-get07:17:100
249959915614,120cyclictest5660-21munin-run08:11:510
249959915612,25cyclictest26081-21munin-node07:07:150
249959915612,122cyclictest1761-21sshd08:28:230
249959915517,24cyclictest8407-21wc08:26:540
249959915517,116cyclictest13181-21df08:52:190
249959915511,120cyclictest3593-21wc07:57:510
249959915511,119cyclictest9460-21/usr/sbin/munin08:32:140
249959915416,116cyclictest2996-21sort07:56:530
249959915413,117cyclictest11140-21cat08:41:550
249959915213,25cyclictest29189-21/usr/sbin/munin07:22:430
249959915213,116cyclictest12584-21ps08:47:540
249959915114,117cyclictest1406-21lldpd08:04:080
249959915111,26cyclictest11157-21/usr/sbin/munin08:42:270
249959915111,120cyclictest726-21load07:42:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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