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2025-06-03 - 09:29
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Mon Jun 02, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21305223719,34sleep00-21swapper/007:05:520
218589913965,35cyclictest1356-21snmpd09:20:360
2185899139117,14cyclictest93542sleep008:25:410
218589913860,21cyclictest7262-21apt-get08:18:210
218589913763,56cyclictest15507-21chrt08:50:270
218589913665,51cyclictest7272-21/usr/sbin/munin12:30:260
218589913664,50cyclictest25534-21apt-get09:30:260
218589913562,37cyclictest1356-21snmpd09:45:490
218589913559,36cyclictest8131-21ntp_states10:25:470
218589913556,38cyclictest9623-21bash12:37:340
218589913555,23cyclictest16309-21apt-get11:02:090
218589913469,47cyclictest21184-21if_err_eth011:15:320
218589913462,52cyclictest31015-21/usr/sbin/munin09:50:170
218589913460,34cyclictest20165-21ntp_states11:11:240
218589913367,51cyclictest10338-21/usr/sbin/munin08:30:160
218589913361,36cyclictest1356-21snmpd08:40:200
218589913359,20cyclictest5041-21diskstats10:15:260
218589913359,19cyclictest25689-21chrt07:25:100
218589913258,37cyclictest22284-21apt-get09:17:020
218589913162,27cyclictest24867-21ntp_states09:26:120
218589913158,32cyclictest1801-21node11:40:370
218589913058,34cyclictest1356-21snmpd12:16:280
218589913058,34cyclictest1356-21snmpd08:35:180
218589913057,35cyclictest1356-21snmpd09:55:510
218589913052,40cyclictest1356-21snmpd10:20:570
218589912962,49cyclictest1356-21snmpd09:35:450
218589912959,34cyclictest14247-21df_inode08:45:210
218589912958,51cyclictest29553-21apt-key07:40:120
218589912958,33cyclictest29790-21wget11:50:320
218589912957,20cyclictest22430-21df11:20:350
218589912956,37cyclictest1356-21snmpd11:56:240
218589912867,40cyclictest792-21haveged08:25:030
218589912761,49cyclictest1356-21snmpd12:06:260
218589912662,31cyclictest802-21dbus-daemon12:10:320
218589912660,23cyclictest26240-21irqstats11:35:390
218589912655,37cyclictest3974-21ntp_states10:10:420
218589912652,40cyclictest16017-21chrt10:57:360
218589912584,30cyclictest28921-21ntp_states09:40:400
218589912564,19cyclictest19728-21sshd09:06:280
218589912562,43cyclictest1356-21snmpd12:21:290
218589912560,48cyclictest1336-21runrttasks08:55:360
218589912556,49cyclictest1356-21snmpd07:45:060
218589912469,42cyclictest27145-21diskstats07:30:250
218589912368,39cyclictest23951-21apt-get07:17:110
218589912359,43cyclictest9166-21df_inode10:30:220
218589912354,35cyclictest20669-21ntp_states09:10:430
218589912276,36cyclictest4821-21ls08:10:030
218589912258,32cyclictest2556-21diskstats10:05:230
218589912171,40cyclictest1336-21runrttasks08:00:030
218589912167,41cyclictest1356-21snmpd12:05:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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