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2023-02-05 - 00:00

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 Sat Feb 04, 2023 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
273149938428,0cyclictest9936-21runrttasks12:34:570
273149937054,0cyclictest12958-21which10:40:020
273149936770,0cyclictest3766-21ssh12:10:140
273149936330,0cyclictest12770-21ssh10:39:380
273149935599,0cyclictest2267-21syslogd09:19:320
273149935235,0cyclictest1384-21sshd07:40:010
273149935135,0cyclictest7805-21ssh10:20:240
273149935094,0cyclictest22714-21cron09:14:310
273149935034,0cyclictest11289-21cron08:24:310
273149935032,0cyclictest6147-21ssh12:20:350
273149934934,0cyclictest26812-21latency_hist11:34:320
273149934829,0cyclictest2356-21lldpd07:09:390
273149934734,0cyclictest24482-21apt-get11:25:160
273149934732,0cyclictest3444-21runrttasks07:49:350
273149934554,0cyclictest14253-21grep10:45:510
273149934534,0cyclictest30506-21df07:25:230
273149934435,0cyclictest264-21kswapd009:59:340
273149934433,0cyclictest6198-21runrttasks10:14:340
273149934431,0cyclictest31009-21ssh11:50:270
273149934429,0cyclictest32305-21ssh11:55:270
273149934381,0cyclictest6645-21df_inode10:15:570
273149934288,0cyclictest14404-21timerwakeupswit08:36:050
273149934231,0cyclictest27822-21cat11:36:520
273149934231,0cyclictest19388-21runrttasks09:00:010
273149934229,0cyclictest28899-21rm11:41:280
273149934133,0cyclictest15341-21apt-get10:50:140
273149934033,0cyclictest30250-21munin-run07:24:330
273149933969,0cyclictest13-21rcuc/012:00:020
273149933932,0cyclictest24034-21cron09:19:520
273149933834,0cyclictest4129-21timerandwakeup07:50:510
273149933834,0cyclictest2323-21which12:04:490
273149933736,0cyclictest5838-21sh12:19:320
273149933729,0cyclictest9040-21irqstats10:24:580
273149933634,0cyclictest5732-21latency_hist07:59:390
273149933634,0cyclictest19305-21sed11:05:330
273149933634,0cyclictest19184-21sshd08:59:390
273149933632,0cyclictest2267-21syslogd08:26:370
273149933626,0cyclictest7498-21timerandwakeup08:05:490
273149933577,0cyclictest264-21kswapd012:25:150
273149933529,0cyclictest1153-21jbd2/sda1-811:14:450
273149933339,0cyclictest13238-21aten_r3power_en08:31:020
273149933229,0cyclictest11054-21which10:31:470
273149933228,0cyclictest1153-21jbd2/sda1-809:34:420
273149933226,0cyclictest17888-21ssh11:00:030
273149933187,0cyclictest2463-21sh10:00:110
273149933158,0cyclictest30740-21ssh11:49:370
273149933148,0cyclictest21385-21cron09:09:310
273149933132,0cyclictest2267-21syslogd09:46:380
273149933132,0cyclictest21096-21cat11:11:320
273149933129,0cyclictest30212-21munin-node09:41:430
273149933034,0cyclictest8536-21latency_hist12:29:420
273149932932,0cyclictest28492-21munin-node07:14:430
273149932927,0cyclictest2275-21kworker/u2:210:06:300
273149932830,0cyclictest1153-21jbd2/sda1-808:14:390
273149932829,0cyclictest32116-21missed_timers07:30:520
273149932726,0cyclictest17178-21latency10:56:280
273149932468,0cyclictest26786-21munin-node09:31:070
273149932338,0cyclictest6306-21kworker/u2:108:45:520
273149932337,0cyclictest18030-21runrttasks08:54:350
273149932334,0cyclictest1141-21munin-run07:39:330
273149932333,0cyclictest22898-21latency_hist11:19:500
273149932161,0cyclictest8278-21cpu08:10:200
273149932130,0cyclictest25524-21mailstats09:25:020
273149932070,0cyclictest27300-21munin-run07:09:350
273149932027,0cyclictest15775-21cron08:44:330
273149931970,0cyclictest6802-21cron08:04:310
273149931574,0cyclictest497-21grep09:51:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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