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2025-11-12 - 13:28
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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 100 highest latencies:
System rack5slot7.osadl.org (updated Wed Nov 12, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20321224270,13sleep09402-1kworker/u3:017:36:460
215859910738,54cyclictest20450-21apt-get21:46:420
215859910720,47cyclictest29368-21memory22:12:470
215859910512,72cyclictest27157-21/usr/sbin/munin22:07:540
215859910420,62cyclictest23830-21apt-get21:56:490
215859910220,62cyclictest0-21swapper20:29:270
215859910219,23cyclictest24626-21munin-run20:21:270
215859910214,64cyclictest25311-21/usr/sbin/munin17:57:180
215859910118,22cyclictest927-21df_inode20:47:200
215859910113,51cyclictest11520-21ssh19:41:590
215859910111,69cyclictest6566-21ssh21:03:370
215859910016,64cyclictest3335-21df22:32:100
215859910016,24cyclictest23483-21memory17:47:360
215859910015,47cyclictest5928-21ssh22:39:390
215859910011,25cyclictest16280-21ssh19:56:180
21585999927,63cyclictest0-21swapper20:53:550
21585999916,44cyclictest25263-21memory20:22:410
21585999916,24cyclictest14075-21ssh21:27:060
21585999911,69cyclictest21785-21snmpd21:23:110
21585999911,50cyclictest22770-21ssh21:52:580
21585999834,46cyclictest0-21swapper18:26:270
21585999817,61cyclictest16436-21users21:33:220
21585999817,61cyclictest13103-21apt-get19:46:460
21585999816,61cyclictest29754-21apt-get20:36:520
21585999812,66cyclictest15324-21sed23:08:110
21585999812,46cyclictest22289-21switchtime17:42:310
21585999812,45cyclictest6789-21ssh22:42:390
21585999723,56cyclictest0-21swapper20:36:230
21585999718,59cyclictest7744-21memory21:07:460
21585999714,22cyclictest4303-21fw_conntrack20:57:280
21585999713,64cyclictest21785-21snmpd18:50:430
21585999713,63cyclictest1869-21cat22:27:380
21585999712,47cyclictest19309-21ssh21:42:420
21585999711,64cyclictest31650-21ssh22:19:200
21585999711,46cyclictest22860-21ssh20:15:550
21585999616,59cyclictest31394-21apt-get20:41:450
21585999616,41cyclictest18665-21/usr/sbin/munin21:41:290
21585999614,44cyclictest12299-21ssh22:59:240
21585999614,22cyclictest13971-21ssh23:04:420
21585999613,25cyclictest21785-21snmpd19:12:370
21585999612,47cyclictest12033-21ssh21:21:190
21585999610,64cyclictest571-21unixbench_singl22:23:090
21585999517,43cyclictest9484-21munin-run19:31:270
21585999516,59cyclictest9451-21/usr/sbin/munin21:12:490
21585999515,59cyclictest26111-21ntp_states22:02:550
21585999514,59cyclictest19841-21ssh20:07:000
21585999512,23cyclictest9871-21ssh22:52:070
21585999511,61cyclictest32729-21switchtime18:37:310
21585999511,23cyclictest24650-21grep17:52:300
21585999432,43cyclictest19191-21sshd20:04:050
21585999425,58cyclictest0-21swapper19:21:260
21585999414,59cyclictest9491-21munin-run22:51:270
21585999413,61cyclictest27501-21tr18:11:260
21585999313,31cyclictest2847-21ntpq18:52:220
2158599929,23cyclictest8521-21grep19:22:360
21585999125,49cyclictest0-21swapper19:07:170
21585999119,54cyclictest0-21swapper19:56:360
21585999118,25cyclictest27879-21df_inode18:12:040
21585999113,29cyclictest28897-21cat18:17:180
21585999018,24cyclictest830-21fw_conntrack18:42:060
21585999014,38cyclictest11393-21wc19:41:330
21585999011,28cyclictest30299-21/usr/sbin/munin18:27:270
21585999010,60cyclictest26535-21sed18:02:330
2158599899,63cyclictest31275-21tr18:31:530
21585998917,23cyclictest10401-21munin-run19:36:270
21585998912,28cyclictest3369-21wget18:56:500
21585998818,24cyclictest4447-21df_inode19:02:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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