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2022-10-04 - 02:57

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 Mon Oct 03, 2022 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235259941146,0cyclictest7849-21ssh10:41:020
235259941035,0cyclictest2338-21snmpd07:10:560
235259940886,0cyclictest26676-21missed_timers11:57:520
235259940832,0cyclictest9591-21sort10:47:170
235259939939,0cyclictest25437-21idleruntime-cro09:40:450
235259939789,0cyclictest29132-21ssh12:07:360
235259939731,0cyclictest31019-21latency_hist12:15:500
235259939562,0cyclictest17598-21diskmemload11:33:020
235259939334,0cyclictest7890-21df_inode08:26:360
235259938979,0cyclictest22225-21ssh11:41:480
235259938959,0cyclictest2700250chrt09:46:320
235259938640,0cyclictest1152-21jbd2/sda1-811:10:520
235259938585,0cyclictest2255-21syslogd12:30:430
235259938489,0cyclictest1152-21jbd2/sda1-807:45:490
235259938385,0cyclictest32291-21munin-run12:20:490
235259938332,0cyclictest29041-21cat09:53:160
235259938282,0cyclictest12915-21sh11:00:420
235259938240,0cyclictest19003-21ls09:15:530
235259938181,0cyclictest25536-21latency_hist09:40:580
235259938084,0cyclictest31892-21ssh10:06:290
235259937976,0cyclictest18065-21df_inode09:12:110
235259937868,0cyclictest0-21swapper09:28:350
235259937734,0cyclictest3824-21wc12:35:530
235259937682,0cyclictest20779-1kworker/0:0H11:37:300
235259937638,0cyclictest24719-21which11:51:130
235259937471,0cyclictest2429-21ntpd09:22:290
235259937466,0cyclictest30028-21mailstats07:41:130
235259937369,0cyclictest6837-21ssh10:36:030
235259937361,0cyclictest26300-21sshd07:23:020
235259937332,0cyclictest12225-21apt-get08:46:140
235259937329,0cyclictest30322-21sh10:00:430
235259937169,0cyclictest16823-21cat11:17:270
235259937148,0cyclictest17504-21irqstats11:21:130
235259937031,0cyclictest24166-21latency_hist09:35:490
235259936990,0cyclictest18460-21ssh11:26:020
235259936988,0cyclictest28946-21runrttasks07:36:240
235259936984,0cyclictest23523-21cyclictest10:35:350
235259936929,0cyclictest3741-21ssh12:35:440
235259936838,0cyclictest1152-21jbd2/sda1-807:30:500
235259936829,0cyclictest1854-21munin-run08:00:480
235259936783,0cyclictest1760-21chrt10:16:380
235259936775,0cyclictest0-21swapper10:51:270
235259936683,0cyclictest976-21timerandwakeup10:12:440
235259936633,0cyclictest27656-21munin-node12:02:170
235259936593,0cyclictest26792-21ntp_offset07:26:320
235259936383,0cyclictest2338-21snmpd12:25:030
235259936334,0cyclictest15472-21munin-node09:01:480
235259936327,0cyclictest4339-21grep08:11:080
235259936178,0cyclictest1152-21jbd2/sda1-809:06:030
235259936133,0cyclictest6382-21idleruntime-cro08:20:440
235259936129,0cyclictest17598-21diskmemload10:26:120
235259935973,0cyclictest3172-21aten_r3power_cu08:06:010
235259935927,0cyclictest32298-21ntp_states07:51:120
235259935831,0cyclictest10858-21cron08:40:440
235259935585,0cyclictest13142-21tr11:01:170
235259935456,0cyclictest30738-21ssh10:02:010
235259935278,0cyclictest15606-21df11:11:570
235259935185,0cyclictest3094-21ssh10:21:270
235259935139,0cyclictest1152-21jbd2/sda1-808:55:500
235259935035,0cyclictest2088-21ntp_states08:01:090
235259934641,0cyclictest11829-21sshd08:43:020
235259934534,0cyclictest24790-21latency_hist07:15:580
235259934431,0cyclictest23508-21munin-run07:10:440
235259934226,0cyclictest23976-21chrt11:47:400
235259934070,0cyclictest2429-21ntpd08:22:070
235259933888,0cyclictest8860-21apt-get08:31:240
235259932230,0cyclictest13286-21irqstats08:51:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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