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2025-12-12 - 07:10
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Fri Dec 12, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21346220128,58sleep021355-21memory19:05:250
222469917036,116cyclictest1-21systemd23:59:220
222469916930,119cyclictest1424-21nginx20:18:130
22246991678,99cyclictest5108-21apt-get00:18:140
222469916535,112cyclictest10250irq/56-4a10000021:22:070
222469916337,108cyclictest10250irq/56-4a10000022:32:160
22246991628,14cyclictest11566-21df22:35:190
22246991618,134cyclictest8918-21apt-get20:27:080
22246991597,17cyclictest2104-21diskstats22:00:280
222469915731,108cyclictest10250irq/56-4a10000023:02:210
22246991567,16cyclictest6762-21apt-get22:18:260
22246991567,15cyclictest14676-21apt-get20:47:050
22246991567,130cyclictest27329-21/usr/sbin/munin19:30:340
22246991558,17cyclictest20496-21ntp_states23:10:430
22246991557,17cyclictest16641-21diskstats20:50:270
222469915539,103cyclictest32210-21ntpq21:50:460
222469915530,105cyclictest21544-21/usr/sbin/munin21:10:130
222469915510,104cyclictest14679-21/usr/sbin/munin20:45:030
22246991549,19cyclictest8257-21ntp_states20:21:190
22246991548,19cyclictest8386-21latency_hist22:25:040
222469915438,100cyclictest10250irq/56-4a10000023:51:470
222469915435,106cyclictest25105-21if_err_eth019:20:300
22246991539,14cyclictest24333-21apt-get19:17:080
22246991536,16cyclictest8388-21apt-get22:27:100
222469915320,114cyclictest1356-21snmpd22:53:330
222469915312,127cyclictest28574-21/usr/sbin/munin19:35:550
22246991527,125cyclictest23490-21latency_hist19:15:020
222469915229,111cyclictest10547-21apt-get20:31:110
222469915222,110cyclictest3691-21wget20:05:180
222469915222,110cyclictest18789-21latency_hist21:00:040
22246991518,115cyclictest17167-21runrttasks22:57:250
222469915125,110cyclictest1356-21snmpd23:18:370
22246991507,20cyclictest25948-21ntp_states21:25:400
22246991507,15cyclictest2798-21ntp_states20:00:420
22246991499,16cyclictest32410-21wget19:50:160
22246991498,21cyclictest1356-21snmpd00:03:490
22246991497,22cyclictest1356-21snmpd22:08:210
222469914924,113cyclictest9550-21diskstats00:35:250
222469914920,115cyclictest28755-21runrttasks21:36:370
22246991486,13cyclictest14275-21ntp_states22:45:420
222469914734,101cyclictest7211-21ntpq00:25:370
222469914732,105cyclictest802-21dbus-daemon23:50:010
22246991467,14cyclictest3114-21uname00:10:400
22246991467,119cyclictest26594-21ps19:25:460
222469914627,107cyclictest1801-21node23:43:540
22246991459,125cyclictest1356-21snmpd23:20:320
22246991458,125cyclictest833-21seq21:55:280
22246991458,120cyclictest1687-21sendmail_mailtr19:55:460
22246991457,16cyclictest1550-21wget00:05:180
222469914527,98cyclictest23871-21/usr/sbin/munin23:25:240
222469914513,112cyclictest29395-21wget21:40:160
22246991449,121cyclictest31282-21seq19:45:230
222469914441,91cyclictest10250irq/56-4a10000021:33:120
222469914435,98cyclictest12354-21aten_r7power_po20:35:120
222469914435,97cyclictest30944-21ntpq21:45:380
222469914415,110cyclictest18988-21wget21:00:140
222469914411,21cyclictest5086-21df20:10:180
222469914410,114cyclictest5815-21sshd00:20:220
22246991438,117cyclictest29833-21/usr/sbin/munin19:40:350
22246991438,116cyclictest23048-21/usr/sbin/munin21:15:500
22246991437,19cyclictest25143-21wget23:30:170
22246991437,19cyclictest19059-21df23:05:210
22246991435,17cyclictest21072-21sshd21:08:110
22246991427,22cyclictest12946-21memory22:40:330
222469914228,101cyclictest760-21systemd-journal23:35:210
222469914226,103cyclictest4731-21ntpq22:10:390
22246991405,13cyclictest9219-21latency_hist00:35:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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