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2026-06-05 - 13:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Jun 05, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22715225170,13sleep021586-1kworker/u3:219:01:060
235169910635,52cyclictest12403-21diskmemload21:51:480
235169910634,53cyclictest17684-21ssh22:55:170
235169910514,67cyclictest3402-21munin-run20:15:180
235169910328,32cyclictest4678-21memory22:16:430
235169910324,48cyclictest0-21swapper19:06:050
235169910237,37cyclictest15999-21apt-get21:15:380
235169910226,36cyclictest6799-21users22:22:110
235169910218,62cyclictest14707-21irqstats21:11:320
235169910217,65cyclictest19925-21fw_conntrack23:01:210
235169910217,22cyclictest30351-21memory23:31:410
235169910214,25cyclictest12796-21df21:06:030
235169910125,35cyclictest29995-21df21:56:070
235169910118,45cyclictest6328-21fw_conntrack23:56:180
235169910115,65cyclictest24920-21df_inode21:41:140
23516991009,67cyclictest3026-21grep23:46:360
235169910018,60cyclictest21565-21irqstats21:31:270
235169910018,41cyclictest8897-21apt-get20:45:350
235169910017,61cyclictest28363-21df23:26:000
235169910017,44cyclictest27698-21users19:26:440
235169910016,45cyclictest14873-21fw_conntrack00:21:200
235169910015,64cyclictest23189-21df_inode21:36:110
235169910015,64cyclictest18377-21memory22:56:430
235169910013,25cyclictest2192-21ssh22:09:540
235169910012,27cyclictest12712-21ssh22:40:310
23516999927,50cyclictest4224-21apt-get23:50:370
23516999917,58cyclictest26562-21df21:46:100
23516999917,23cyclictest26781-21fw_conntrack23:21:180
23516999916,62cyclictest19683-21df21:26:050
23516999916,61cyclictest8449-21grep00:02:090
23516999916,42cyclictest17972-21df21:21:010
23516999914,65cyclictest9799-21irqstats00:06:260
23516999912,58cyclictest8038-21wget20:40:380
23516999826,34cyclictest14794-21fw_conntrack22:46:230
23516999823,51cyclictest27851-21cut19:30:380
23516999818,60cyclictest3900-21ssh22:14:520
23516999817,42cyclictest7828-21/usr/sbin/munin22:26:030
23516999816,48cyclictest0-21swapper20:21:050
23516999815,49cyclictest24700-21ssh23:15:320
23516999813,48cyclictest12950-21ssh00:15:560
23516999813,47cyclictest22634-21ssh23:09:210
23516999810,62cyclictest31538-21apt-get23:35:380
23516999724,34cyclictest9898-21ntp_states22:31:500
23516999715,61cyclictest11443-21irqstats22:36:300
23516999713,59cyclictest17934-21ssh00:30:430
23516999711,64cyclictest2080-21sshd23:43:460
23516999626,50cyclictest0-21swapper20:25:460
23516999618,58cyclictest11512-21ssh00:11:290
2351699959,45cyclictest23220-21ssh23:11:000
23516999519,36cyclictest16193-21apt-get00:25:350
23516999515,61cyclictest31791-21df_inode22:01:170
23516999424,51cyclictest7109-21/usr/sbin/munin20:36:180
23516999324,47cyclictest32236-21munin-run19:55:180
23516999312,45cyclictest28595-21snmpd20:30:500
23516999223,34cyclictest3839-21/usr/sbin/munin20:16:000
23516999218,49cyclictest12411-21/usr/sbin/munin21:05:220
23516999216,23cyclictest24673-21memory19:10:310
23516999214,59cyclictest29650-21/usr/sbin/munin19:41:240
23516999117,32cyclictest2412-21sed20:06:220
23516999115,53cyclictest30744-21df19:45:460
23516999020,50cyclictest695-21sort20:00:200
23516999015,26cyclictest11285-21/usr/sbin/munin20:56:180
23516998920,48cyclictest25210-21tr19:15:400
23516998918,48cyclictest1269-21ntp_states20:01:230
2351699889,56cyclictest26268-21df19:20:500
23516998814,24cyclictest28960-21df19:35:460
23516998810,59cyclictest10462-21sort20:51:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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