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2022-12-09 - 17:10

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 all highest latencies:
System rack3slot5.osadl.org (updated Fri Dec 09, 2022 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
673503150,0irq/11-sym53c8x1153-21jbd2/sda1-807:05:010
1594799311193,0cyclictest20223-21sh09:49:580
1594799301172,0cyclictest24482-21cron07:49:590
1594799296159,0cyclictest13128-21ls11:26:550
1594799295137,0cyclictest30891-21ssh12:35:470
1594799293175,0cyclictest24719-21vmstat10:06:300
1594799293172,0cyclictest25971-21switchtime12:16:390
1594799290170,0cyclictest2456-21cron12:10:570
1594799289165,0cyclictest11079-21ssh11:20:120
1594799289136,0cyclictest8883-21ssh11:10:240
1594799288168,0cyclictest29510-21ssh12:30:280
1594799288168,0cyclictest22020-21ssh12:01:240
1594799285143,0cyclictest11634-21apt-get09:15:510
1594799284142,0cyclictest17824-21idleruntime11:45:330
1594799282148,0cyclictest19156-21ssh11:50:480
1594799281160,0cyclictest1760-21ssh10:42:110
1594799280151,0cyclictest32722-21entropy10:36:490
1594799280142,0cyclictest21488-21sh11:59:580
1594799279171,0cyclictest10834-21ssh09:12:100
1594799279152,0cyclictest2846-21awk10:46:440
1594799278153,0cyclictest14634-21ssh09:26:480
1594799277136,0cyclictest5922-21ssh10:58:290
1594799276105,0cyclictest11338-21ssh11:20:540
1594799275156,0cyclictest28028-21ssh10:19:440
1594799274138,0cyclictest20849-21nfs_client09:51:370
1594799273137,0cyclictest28785-21ssh12:26:540
1594799272161,0cyclictest18876-21cron07:24:570
1594799271196,0cyclictest16896-21nfs_client11:41:370
1594799270150,0cyclictest29368-21cron10:25:000
1594799270144,0cyclictest14670-21ssh11:32:200
1594799270139,0cyclictest16062-21mailstats07:10:160
1594799267149,0cyclictest2553-21df_inode08:35:550
1594799267140,0cyclictest21745-21grep09:55:300
1594799266191,0cyclictest8166-21cpu09:00:480
1594799266147,0cyclictest22912-21sed12:05:110
1594799265151,0cyclictest22945-21chrt10:00:130
1594799265145,0cyclictest4263-21ls10:51:590
1594799264150,0cyclictest6729-21wc08:55:040
1594799264150,0cyclictest16099-21sh11:38:300
1594799263142,0cyclictest31988-21sendmail_mailqu08:21:190
1594799262146,0cyclictest0-21swapper08:45:050
1594799262137,0cyclictest29626-21ssh10:25:390
1594799261145,0cyclictest6331-21mailstats11:00:340
1594799261144,0cyclictest26253-21grep07:56:070
1594799261137,0cyclictest26992-21apt-get12:20:570
1594799260145,0cyclictest25606-21aten_r3power_cu10:10:180
1594799260143,0cyclictest23155-21cat07:41:310
1594799259145,0cyclictest24989-21vmstat07:50:560
1594799259143,0cyclictest30904-21sshd10:30:320
1594799259143,0cyclictest19268-21df_inode07:25:550
1594799258150,0cyclictest2350-21snmpd08:03:070
1594799258145,0cyclictest30685-21nfs_client08:16:060
1594799258143,0cyclictest13280-21nfs_client09:21:470
1594799258137,0cyclictest17481-21ssh09:38:490
1594799258120,0cyclictest0-21swapper09:33:290
1594799256148,0cyclictest28724-21wget08:06:240
1594799256142,0cyclictest8466-21sshd11:07:480
1594799256142,0cyclictest3579-21df08:40:380
1594799255158,0cyclictest9551-21tr09:06:090
1594799254156,0cyclictest17751-21munin-run07:20:000
1594799252142,0cyclictest6695-21sort08:55:030
1594799252139,0cyclictest1604-21nfs_client08:31:040
1594799250138,0cyclictest18841-21ssh09:44:140
1594799248141,0cyclictest29364-21df_inode08:10:490
1594799248135,0cyclictest20117-21sendmail_mailtr07:30:140
1594799247153,0cyclictest317-21awk08:25:520
1594799238149,0cyclictest21340-21ntpq07:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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