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2023-06-04 - 06:45

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 highest latencies:
System rack3slot5.osadl.org (updated Sun Jun 04, 2023 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26049939429,0cyclictest2624-21runrttasks20:05:290
26049938882,0cyclictest7740-21cat00:21:320
26049936335,0cyclictest11431-21sendmail00:40:020
26049936329,0cyclictest1151-21jbd2/sda1-820:35:060
26049936228,0cyclictest4632-21mailstats19:20:300
26049936162,0cyclictest12781-21nfs_client19:56:050
26049935935,0cyclictest6927-21apt00:20:000
26049935451,0cyclictest15748-21munin-node20:10:290
26049935239,0cyclictest8146-21mailstats22:00:290
26049935195,0cyclictest3087-21sort19:11:020
26049935040,0cyclictest3570-21munin-run00:05:000
26049934887,0cyclictest30728-21sort21:16:040
26049934837,0cyclictest29131-21sendmail-mta21:10:090
26049934743,0cyclictest1151-21jbd2/sda1-823:05:060
26049934734,0cyclictest29362-21runrttasks21:10:340
26049934733,0cyclictest31497-21apt23:44:590
26049934671,0cyclictest16982-21ntpq20:15:290
26049934626,0cyclictest20496-21ntpq22:55:280
26049934531,0cyclictest11410-21munin-node22:15:290
26049934528,0cyclictest21620-21munin-node23:00:290
26049934328,0cyclictest25391-21missed_timers20:51:210
26049934130,0cyclictest22902-21runrttasks20:41:050
26049934128,0cyclictest28338-21ls23:30:290
26049933934,0cyclictest25970-21apt-get20:55:310
26049933926,0cyclictest26095-21grep23:20:280
26049933840,0cyclictest1151-21jbd2/sda1-822:35:060
26049933833,0cyclictest4436-21sendmail-msp19:20:030
26049933832,0cyclictest18120-21ntp_states20:20:290
26049933730,0cyclictest23778-21cut23:10:190
26049933628,0cyclictest339-21mailstats23:50:290
26049933536,0cyclictest11215-21latency_hist19:50:040
26049933529,0cyclictest1151-21jbd2/sda1-823:15:060
26049933433,0cyclictest8897-21latency_hist19:40:070
26049933333,0cyclictest2417-21apt23:59:590
26049933331,0cyclictest8441-21cpu00:26:000
26049933329,0cyclictest13376-21kworker/u2:021:20:290
26049933328,0cyclictest18233-21mailstats22:45:280
26049933234,0cyclictest30392-21latency_hist23:40:050
26049933232,0cyclictest4688-21chrt00:09:580
26049933037,0cyclictest9973-21chrt22:06:400
26049932931,0cyclictest2624-21runrttasks22:25:290
26049932844,0cyclictest67750irq/11-sym53c8x21:25:290
26049932833,0cyclictest31821-21grep23:45:470
26049932736,0cyclictest3436-21apt-get21:40:050
26049932731,0cyclictest27518-21memory23:26:050
26049932653,0cyclictest3665-21idleruntime21:40:300
26049932644,0cyclictest67750irq/11-sym53c8x19:40:290
26049932537,0cyclictest14082-21netstat20:01:170
26049932351,0cyclictest23884-21df20:45:520
26049932341,0cyclictest1151-21jbd2/sda1-822:50:050
26049932326,0cyclictest14900-21apt-get22:30:290
26049932275,0cyclictest6655-1kworker/0:0H00:30:220
26049932233,0cyclictest2330-21nscd00:14:580
26049932228,0cyclictest6659-21cron19:30:060
26049932188,0cyclictest5723-21tr19:25:220
26049932029,0cyclictest5433-21cut21:46:330
26049932026,0cyclictest12646-21idleruntime22:20:290
26049931929,0cyclictest20894-21missed_timers20:31:200
26049931858,0cyclictest10367-21mailstats22:10:290
26049931832,0cyclictest17093-21cut22:40:210
26049931634,0cyclictest19617-21munin-node20:26:120
26049931452,0cyclictest7931-21pluginstate22:00:040
26049931235,0cyclictest1709-21nfs_client21:31:110
26049931133,0cyclictest2589-21munin-run19:10:000
26049930930,0cyclictest27399-21cut21:01:060
26049930927,0cyclictest5684-21cron21:50:060
26049930839,0cyclictest1151-21jbd2/sda1-819:51:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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