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2025-07-30 - 15:27
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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 highest latencies:
System rack5slot7.osadl.org (updated Wed Jul 30, 2025 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2402225130,13sleep030450-1kworker/u3:005:41:570
36029910510,55cyclictest5786-21ssh08:28:440
36029910317,22cyclictest4639-21munin-node05:51:410
36029910218,22cyclictest20061-21munin-run09:16:350
36029910216,23cyclictest9953-21memory08:42:470
36029910214,67cyclictest11524-21memory08:47:520
36029910131,53cyclictest0-21swapper08:58:390
36029910113,47cyclictest23221-21/usr/sbin/munin11:08:100
36029910112,25cyclictest25170-21ssh11:14:000
36029910111,70cyclictest31166-21/usr/sbin/munin09:52:450
36029910018,43cyclictest11386-21df_inode10:32:240
36029910012,66cyclictest864-21ntpq09:57:590
36029910012,49cyclictest19665-21cut07:16:570
36029910011,70cyclictest16333-21grep09:03:040
3602999919,59cyclictest664-21irqstats08:12:420
3602999917,46cyclictest28434-21irqstats09:42:410
3602999916,61cyclictest29682-21ssh08:01:540
3602999916,21cyclictest19781-21memory10:57:520
3602999913,67cyclictest25065-21ssh07:46:480
3602999913,49cyclictest21229-21ssh09:19:140
3602999913,47cyclictest5030-21wget10:12:110
3602999911,26cyclictest12493-21cut06:37:000
3602999835,29cyclictest0-21swapper06:32:440
3602999818,43cyclictest3757-21fw_conntrack10:07:350
3602999818,41cyclictest2063-21df08:17:170
3602999814,63cyclictest17465-21ssh10:51:340
3602999814,22cyclictest9059-21ssh08:39:540
3602999811,47cyclictest22272-21snmpd09:34:310
3602999810,24cyclictest1838-21ssh10:01:560
3602999726,56cyclictest0-21swapper10:19:100
3602999716,59cyclictest3717-21irqstats08:22:370
3602999715,62cyclictest24770-21munin-run09:31:340
3602999715,61cyclictest27843-21ssh09:41:240
3602999714,62cyclictest14333-21apt-get10:41:560
3602999714,61cyclictest29962-21ssh09:47:320
3602999711,64cyclictest7793-21ssh08:36:390
3602999618,54cyclictest13054-21df_inode10:37:330
3602999616,60cyclictest28661-21memory07:57:460
3602999616,59cyclictest17868-21df10:52:210
3602999514,21cyclictest26972-21fw_conntrack07:52:350
3602999512,61cyclictest7981-21sshd10:21:560
3602999511,25cyclictest32360-21ssh08:10:110
3602999431,44cyclictest0-21swapper09:10:270
3602999419,54cyclictest15118-21apt-get06:51:530
3602999413,61cyclictest12866-21df_inode08:52:250
3602999411,64cyclictest9759-21df_abs10:27:230
360299938,67cyclictest7957-21basename06:11:550
3602999322,48cyclictest18231-21memory07:07:250
3602999316,57cyclictest21288-21irqstats11:02:380
3602999313,22cyclictest22320-21/usr/sbin/munin07:32:100
360299929,47cyclictest17562-21cat07:02:400
3602999216,58cyclictest0-21swapper05:51:450
3602999212,26cyclictest13784-21ntpq06:42:290
3602999115,56cyclictest24063-21wc07:41:370
360299909,61cyclictest10727-21basename06:27:000
3602999015,19cyclictest22075-21fw_conntrack09:22:300
3602999010,59cyclictest5694-21awk05:57:320
3602998917,24cyclictest24428-21fw_conntrack07:42:160
3602998917,23cyclictest9126-21fw_conntrack06:17:170
3602998817,23cyclictest20942-21memory07:22:260
3602998816,24cyclictest7776-21/usr/sbin/munin06:07:410
3602998816,23cyclictest21763-21irqstats07:27:350
3602998816,21cyclictest14492-21df_inode06:47:110
3602998813,25cyclictest6427-21fw_conntrack06:02:250
3602998812,27cyclictest18730-21sshd07:11:570
3602998710,57cyclictest9732-21/usr/sbin/munin06:22:190
3602998614,52cyclictest16109-21cut06:56:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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