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2023-03-21 - 17:32

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 100, highest latencies:
System rack3slot5.osadl.org (updated Tue Mar 21, 2023 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181489943290,0cyclictest4283-21ssh10:53:220
181489941935,0cyclictest17713-21sh09:36:580
181489941634,0cyclictest654-21needreboot10:38:560
181489941588,0cyclictest20422-21ssh09:48:220
181489941035,0cyclictest24653-21munin-run10:07:040
181489940989,0cyclictest29939-21ssh10:27:180
181489940376,0cyclictest15926-21chrt09:28:080
181489940245,0cyclictest2338-21snmpd12:04:480
181489939927,0cyclictest28519-21grep12:32:240
181489939832,0cyclictest23600-21hostname12:13:220
181489939784,0cyclictest23174-21ssh12:11:570
181489939172,0cyclictest29915-21apt-get12:38:060
181489939134,0cyclictest26096-21runrttasks10:12:230
181489939092,0cyclictest18736-21idleruntime-cro09:41:580
181489939032,0cyclictest26158-21ntpq12:23:150
181489939032,0cyclictest18888-21latency07:13:250
181489938879,0cyclictest27356-21ssh12:28:030
1814899388108,0cyclictest8775-21sshd11:09:400
181489938636,0cyclictest15061-21needreboot09:24:010
181489938598,0cyclictest12205-21cron09:11:570
181489938434,0cyclictest24913-21apt-get10:07:450
181489938382,0cyclictest11083-21ssh11:19:390
181489938276,0cyclictest30441-21egrep08:07:560
181489938236,0cyclictest22159-21latency09:54:150
181489938136,0cyclictest2427-21ntpd10:35:370
181489937829,0cyclictest1145-21jbd2/sda1-811:32:040
181489937797,0cyclictest18691-21kworker/u2:208:12:270
181489937737,0cyclictest10049-21idleruntime-cro11:16:590
181489937730,0cyclictest28919-21latency_hist08:01:570
181489937729,0cyclictest20871-21ssh12:02:100
181489937697,0cyclictest12609-21ssh09:13:290
181489937528,0cyclictest264-21kswapd007:42:370
181489937453,0cyclictest16814-21ssh11:43:390
181489937365,0cyclictest17521-21sh11:47:490
181489937337,0cyclictest30064-21idleruntime-cro08:06:580
181489937334,0cyclictest24851-21ntp_offset12:18:160
181489937331,0cyclictest6257-21expr08:43:280
181489937288,0cyclictest25706-21mailstats07:47:150
181489937234,0cyclictest2444-21cron09:17:560
181489937193,0cyclictest15585-21modprobe11:38:090
181489937192,0cyclictest21310-21apt-get07:27:260
181489937175,0cyclictest1217-21df08:22:430
181489937037,0cyclictest1145-21jbd2/sda1-809:02:070
181489937036,0cyclictest27598-21chrt07:53:340
1814899370100,0cyclictest5471-21cron08:41:590
181489936962,0cyclictest9-21ksoftirqd/011:32:440
181489936937,0cyclictest9736-21timerwakeupswit08:58:350
181489936835,0cyclictest5714-21cat10:58:330
181489936493,0cyclictest0-21swapper09:57:240
181489936484,0cyclictest2317-21nscd11:06:580
181489936285,0cyclictest8837-21runrttasks08:56:560
181489936267,0cyclictest20643-21grep07:23:200
181489936262,0cyclictest1395-21grep10:42:240
181489936260,0cyclictest19431-21munin-node09:42:150
181489935792,0cyclictest28686-21aten_r3power_cu10:22:220
181489935630,0cyclictest32406-21munin-node08:18:210
181489935579,0cyclictest2628-21nfs_client08:28:080
181489935535,0cyclictest18159-21sort07:12:000
1814899355101,0cyclictest6779-21irqstats08:47:190
181489935495,0cyclictest23425-21munin-node07:38:070
181489935436,0cyclictest28524-21munin-run10:22:040
181489935232,0cyclictest19836-21idleruntime-cro11:56:590
181489935091,0cyclictest3742-21ssh10:50:570
181489934825,0cyclictest12386-21ssh11:24:420
181489933938,0cyclictest3376-21mailstats08:32:140
181489933860,0cyclictest22706-21nfs_client07:33:040
181489931376,0cyclictest19661-21timerwakeupswit07:17:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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