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2023-06-11 - 02:28

x86 Intel Pentium @133 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #3, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l25000000 -m -n -a0 -t1 -p99 -i800 -h1000 -q
Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack3slot5.osadl.org (updated Sun Jun 11, 2023 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1457999362108,0cyclictest2270-21syslogd00:14:540
145799936033,0cyclictest15254-21netstat19:11:190
145799935838,0cyclictest31827-21apt22:49:540
145799935768,0cyclictest26067-21sh19:59:540
1457999353103,0cyclictest5517-21switchtime23:16:000
145799934544,0cyclictest13625-21aten_r3power_po21:26:300
1457999344109,0cyclictest2270-21syslogd23:39:540
145799934325,0cyclictest2624-21runrttasks00:31:360
145799934278,0cyclictest62411sleep23:20:040
145799934127,0cyclictest29915-21sort20:15:590
145799933935,0cyclictest16115-21munin-run21:40:030
1457999339106,0cyclictest27324-21mailstats20:05:130
145799933728,0cyclictest28603-21mailstats22:35:150
145799933689,0cyclictest18223-21cron19:25:020
145799933634,0cyclictest1708-21sshd20:35:350
145799933627,0cyclictest7245-21open_inodes21:00:100
145799933541,0cyclictest559-21idleruntime20:30:250
145799933489,0cyclictest2270-21syslogd00:39:530
1457999334101,0cyclictest19339-21cron19:30:020
145799933298,0cyclictest16129-21kworker/u2:022:20:250
145799933173,0cyclictest9410-21date21:10:030
145799933094,0cyclictest14984-21cron21:34:530
145799933032,0cyclictest7197-21latency_hist21:00:030
145799933028,0cyclictest18577-21ls21:50:250
145799932984,0cyclictest9358-21cron21:10:090
145799932935,0cyclictest16908-21missed_timers21:41:250
145799932934,0cyclictest21582-21sendmail19:39:570
145799932840,0cyclictest17100-21munin-run19:19:580
145799932796,0cyclictest26612-21df_inode22:25:510
145799932788,0cyclictest28399-21date20:10:010
145799932674,0cyclictest23255-21awk22:10:470
145799932635,0cyclictest11626-21munin-run21:20:000
145799932627,0cyclictest17156-21cat00:06:360
145799932531,0cyclictest1393-21cat22:56:270
145799932529,0cyclictest17328-21sort19:20:240
145799932428,0cyclictest12039-21awk21:20:550
145799932370,0cyclictest334-21cron20:29:590
145799932326,0cyclictest8612-21ntp_states23:30:240
145799932271,0cyclictest21586-1kworker/0:2H19:41:220
145799932231,0cyclictest23827-21cron19:49:540
145799932158,0cyclictest25034-21chrt22:19:060
145799932130,0cyclictest20242-21missed_timers21:56:200
145799932126,0cyclictest2624-21runrttasks20:50:130
145799931990,0cyclictest30863-21awk20:20:410
145799931960,0cyclictest18493-21cron00:15:010
145799931926,0cyclictest26852-21missed_timers20:01:190
145799931833,0cyclictest3899-21apt-get23:09:580
145799931831,0cyclictest21241-21switchtime00:25:590
145799931830,0cyclictest3366-21ls20:41:170
145799931794,0cyclictest4048-21runrttasks23:10:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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