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2025-11-22 - 09:55
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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 100 highest latencies:
System rack4slot2.osadl.org (updated Sat Nov 22, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73504930,0irq/45-4a10000013843-21kworker/0:419:03:250
212809913246,0cyclictest19564-21/usr/sbin/munin22:09:150
212809912442,0cyclictest31039-21df_abs22:43:440
212809912241,0cyclictest29109-21latency_hist00:13:210
212809912241,0cyclictest0-21swapper23:44:300
212809912231,0cyclictest5996-21ntp_states23:05:090
212809912231,0cyclictest3480-21df19:48:450
212809912135,0cyclictest762-21/usr/sbin/munin21:14:150
212809912132,0cyclictest17596-21runrttasks20:29:050
212809912040,0cyclictest0-21swapper22:59:210
212809912035,0cyclictest3050-21runrttasks19:47:520
212809912033,0cyclictest26015-21ls19:19:020
212809911939,0cyclictest0-21swapper22:50:520
212809911934,0cyclictest25120-21users23:59:250
212809911934,0cyclictest12250-21grep20:13:500
212809911933,0cyclictest7378-21/usr/sbin/munin19:59:110
212809911930,0cyclictest16914-21runrttasks23:37:350
212809911928,0cyclictest5444-21runrttasks19:53:580
212809911914,0cyclictest22979-21ls19:13:180
212809911845,0cyclictest7350irq/45-4a10000021:34:360
212809911839,0cyclictest0-21swapper20:23:330
212809911837,0cyclictest9117-21/usr/sbin/munin23:13:570
212809911833,0cyclictest17620-21/usr/sbin/munin22:03:580
212809911832,0cyclictest23340-21sed23:54:170
212809911830,0cyclictest13609-21apt-get23:30:330
212809911829,0cyclictest25921-21expr20:53:480
212809911738,0cyclictest0-21swapper21:23:240
212809911735,0cyclictest1724-21aten_r4power_cu21:18:340
212809911732,0cyclictest31033-21/usr/sbin/munin19:33:550
212809911731,0cyclictest17711-21irqstats23:39:010
212809911730,0cyclictest11769-21seq23:22:230
212809911729,0cyclictest27617-21fw_forwarded_lo19:23:560
212809911728,0cyclictest24265-21irqstats19:14:170
212809911636,0cyclictest10621-21if_eth020:08:560
212809911626,0cyclictest11077-21awk21:45:060
212809911611,0cyclictest27745-21fw_conntrack20:58:540
212809911610,0cyclictest28991-21/usr/sbin/munin21:04:230
212809911538,0cyclictest7424-21irqstats23:09:070
212809911537,0cyclictest8654-21df_abs20:03:420
212809911535,0cyclictest23957-21aten_r4power_vo20:48:350
212809911530,0cyclictest443-21snmpd21:53:530
212809911530,0cyclictest29825-21open_inodes22:39:150
212809911529,0cyclictest27024-21runrttasks22:31:500
212809911528,0cyclictest2387-21irqstats00:29:000
212809911443,0cyclictest0-21swapper00:33:220
212809911432,0cyclictest1789-21date00:28:200
212809911430,0cyclictest13335-1kworker/u3:023:28:010
212809911429,0cyclictest23299-21runrttasks20:44:560
212809911428,0cyclictest26113-21chrt00:04:060
212809911428,0cyclictest10088-21cron21:43:170
212809911427,0cyclictest15595-21df21:58:430
212809911427,0cyclictest14178-21memory20:19:080
212809911426,0cyclictest19316-21memory20:34:080
212809911333,0cyclictest0-21swapper21:29:000
212809911330,0cyclictest29451-21latency19:29:020
212809911329,0cyclictest21376-21/usr/sbin/munin22:14:170
212809911320,0cyclictest23193-21threads22:19:180
212809911310,0cyclictest24567-21sshd22:24:400
212809911236,0cyclictest0-21swapper21:53:000
212809911231,0cyclictest28427-21users22:34:240
212809911217,0cyclictest20581-21apt-get23:48:310
212809911215,0cyclictest30694-21/usr/sbin/munin21:09:240
212809911136,0cyclictest29005-21cron00:13:160
212809911132,0cyclictest1736-21/usr/sbin/munin22:54:060
212809911110,0cyclictest443-21snmpd19:38:480
212809911032,0cyclictest0-21swapper00:18:260
212809911019,0cyclictest20721-21df_inode20:38:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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