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2026-05-07 - 06:06
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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 highest latencies:
System rack7slot3.osadl.org (updated Thu May 07, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32642286522sleep32641-21sed19:05:560
57999262105cyclictest32024-21ssh21:25:500
5799926071cyclictest58-1kworker/0:1H22:48:130
5799925792cyclictest9389-21if_eth022:06:240
5799925693cyclictest29187-21sh21:13:150
57999255111cyclictest622-21cpuspeed21:30:170
57999254104cyclictest58-1kworker/0:1H23:03:160
5799925386cyclictest23600-21netwatch20:48:540
5799925384cyclictest14011-21uname22:26:380
5799925347cyclictest11819-21memory22:16:520
57999252128cyclictest11369-21ssh22:15:330
57999251128cyclictest2869-21snmpd21:39:540
57999251124cyclictest878-21if_err_eth023:51:230
5799925087cyclictest26380-21if_eth021:00:520
57999250122cyclictest23236-21sh23:06:470
57999249120cyclictest20296-21diskmemload22:54:420
57999249111cyclictest21077-21ssh22:57:160
57999248126cyclictest2719-21lxpanel00:30:440
57999248120cyclictest17983-21latency_hist20:25:100
57999248120cyclictest15799-21runrttasks20:15:210
57999248105cyclictest28462-21df_inode21:10:400
5799924786cyclictest6043-21sendmail_mailtr19:31:520
57999247118cyclictest9606-21unixbench_singl19:47:020
57999247118cyclictest575-21cyclictest23:38:100
57999247108cyclictest2719-21lxpanel23:25:090
57999247104cyclictest26117-21cpu23:20:130
57999246123cyclictest17334-21ssh22:41:170
57999246121cyclictest2719-21lxpanel19:23:430
57999246114cyclictest19108-21wc20:30:080
57999246108cyclictest7044-21ssh21:56:210
57999246106cyclictest21924-21awk20:41:120
57999245124cyclictest24049-21ssh23:10:570
57999245106cyclictest19103-21munin-node0
57999244116cyclictest3075-21forks00:00:580
57999244110cyclictest30260-21ssh21:17:370
57999243121cyclictest6936-21grep19:36:070
57999243116cyclictest1702-21cpu19:15:100
57999243114cyclictest32332-21latency23:46:530
57999243111cyclictest29086-21ssh23:32:310
5799924279cyclictest16624-21ssh22:38:090
57999242116cyclictest964-21diskmemload21:31:230
57999242116cyclictest7341-21munin-node0
57999242113cyclictest5744-21ntpq00:12:040
57999242106cyclictest10518-21ssh00:33:280
57999241116cyclictest5686-21df_inode21:50:590
57999241115cyclictest4947-21swap19:26:560
57999241107cyclictest6637-21munin-run21:55:040
5799924077cyclictest12063-21chrt19:58:390
57999240122cyclictest2869-21snmpd20:38:230
57999240118cyclictest2862-21ssh00:00:180
57999240113cyclictest11484-21runrttasks00:37:150
57999240112cyclictest3086-21df19:20:170
57999240112cyclictest15622-21ssh22:34:040
57999240110cyclictest28041-21sh23:28:070
57999239115cyclictest16987-21sort20:20:280
57999239113cyclictest26059-21cpu21:00:120
57999239105cyclictest13489-21latency_hist22:24:580
5799923870cyclictest24459-21tr20:51:530
57999238103cyclictest7313-21munin-run00:20:230
57999237106cyclictest3397-21ssh21:41:090
57999237105cyclictest8934-21/usr/sbin/munin22:05:240
5799923649cyclictest12523-21chrt20:00:460
57999236111cyclictest31547-21sshd23:43:400
5799923589cyclictest13736-21irqstats20:05:540
5799923371cyclictest8910-21grep19:45:220
57999232106cyclictest2935-21runrttasks00:08:010
57999231106cyclictest10505-21sshd19:51:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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