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2025-04-02 - 08:27
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Wed Apr 02, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1170189999060,20cyclictest54-21kswapd023:00:080
1170189998425,45cyclictest25650irq/23-42890000.ethernet00:00:110
1170190998027,16cyclictest54-21kswapd000:25:111
1170190997945,32cyclictest374-21systemd-timesyn19:43:091
1170190997833,9cyclictest1173975-21modprobe19:25:001
1170190997738,5cyclictest1239554-21latency_hist22:05:011
1170189997757,15cyclictest1337816-21ssh00:20:530
1170190997659,10cyclictest1168930-21kworker/u4:8+events_unbound19:15:151
117018999757,53cyclictest37-21kcompactd022:25:130
1170190997239,4cyclictest1190864-21munin-run20:40:001
1170190996939,4cyclictest1195934-21sendmail21:00:001
1170190996936,8cyclictest1170187-21cyclictest20:45:001
1170190996832,7cyclictest0-21swapper/122:50:081
1170190996658,6cyclictest1193361-21kworker/u4:1+events_unbound21:20:001
1170190996658,6cyclictest1193361-21kworker/u4:1+events_unbound21:20:001
1170190996631,8cyclictest0-21swapper/120:20:271
1170190996532,6cyclictest1325556-21kworker/u4:0-rpciod00:10:221
1170189996549,13cyclictest1170187-21cyclictest21:50:010
1170190996456,6cyclictest1319810-21fschecks_time23:55:221
1170189996211,47cyclictest1217892-21ssh21:35:260
117019099597,29cyclictest1265778-21ssh22:40:301
1170189995943,11cyclictest1184155-21modprobe20:05:000
1170189995845,6cyclictest0-21swapper/023:10:080
117018999582,53cyclictest54-21kswapd000:25:100
1170189995649,5cyclictest1190821-21kworker/u4:18+events_unbound20:36:440
1170189995638,14cyclictest1305215-21fschecks_time23:35:220
1170189995632,19cyclictest25650irq/23-42890000.ethernet21:10:110
117018999561,49cyclictest1179262-21/usr/sbin/munin19:45:130
1170190995543,8cyclictest1273702-21kworker/u4:6-rpciod23:00:481
1170189995545,8cyclictest1333943-21switchtime00:15:400
1170190995447,5cyclictest1251060-21/usr/sbin/munin22:20:271
1170190995447,5cyclictest1251060-21/usr/sbin/munin22:20:271
1170189995448,5cyclictest1194617-21kworker/u4:2+events_unbound20:58:430
1170189995433,7cyclictest0-21swapper/022:10:280
117019099537,36cyclictest1199539-21diskmemload21:10:361
1170190995342,7cyclictest1304530-21latency_hist23:35:001
1170190995338,9cyclictest1237776-21kworker/u4:17-rpciod22:06:531
1170190995318,23cyclictest0-21swapper/122:55:291
1170189995335,16cyclictest1208567-21ssh21:21:580
1170189995332,18cyclictest1231751-21latency_hist21:55:020
1170189995229,21cyclictest1309715-21mailstats23:40:360
1170189995215,29cyclictest1300818-21ssh23:30:100
117018999517,16cyclictest1172889-21apt-get19:20:130
1170189995144,5cyclictest1176464-21kworker/u4:7+events_unbound19:57:320
117019099503,33cyclictest1232655-21ssh21:55:321
1170190995032,14cyclictest0-21swapper/123:40:131
1170189995043,5cyclictest1168928-21kworker/u4:4+events_unbound19:15:000
1170189995033,14cyclictest1213367-21ssh21:30:160
1170189995031,5cyclictest1281619-21kworker/u4:4-rpciod23:10:000
1170190994939,8cyclictest1182678-21timerwakeupswit19:55:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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