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2025-11-07 - 22:58
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 07, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21774211317,23sleep021783-21memory07:08:250
229019910524,16cyclictest41ktimersoftd/011:13:060
13513210214,28sleep013514-21entropy08:23:170
4351210014,16sleep04380-21proc_pri09:33:430
1807929914,16sleep03217-21snmpd10:17:140
3139629815,16sleep031425-21if_eth007:38:220
1904629814,25sleep019044-21ntp_states11:58:390
726529714,15sleep07309-21fschecks_count11:23:180
22901999716,71cyclictest1124-21sendmail_mailtr09:23:450
22901999714,47cyclictest23443-21sh12:13:110
1213229715,16sleep012140-21hddtemp_smartct09:58:210
2600329614,16sleep025997-40yum-updatesd-he12:19:370
2549129615,16sleep025538-21munin-node07:18:570
22901999615,71cyclictest6108-21open_inodes11:18:440
1893529515,16sleep018933-21ntp_states10:18:410
22901999414,71cyclictest28981-21sshd09:09:210
901629314,16sleep09020-21hddtemp_smartct11:28:230
2880229314,16sleep028796-21ntp_states12:28:440
2290199933,80cyclictest28261-21grep10:48:170
22901999320,64cyclictest10689-21munin-node09:53:300
22901999314,70cyclictest15506-21sshd11:48:210
22901999314,69cyclictest30645-21unixbench_singl10:53:550
22901999313,71cyclictest12984-21sshd11:39:210
128129314,16sleep0432-21munin-node11:03:510
2533929214,16sleep025367-21ps08:58:450
2522529214,16sleep025227-21irqstats10:38:310
22901999215,67cyclictest20696-21open_files12:03:460
22901999214,69cyclictest5699-21munin-node07:58:330
22901999214,69cyclictest10287-21munin-node11:33:580
22901999214,68cyclictest13758-21munin-node11:43:170
772529114,16sleep07731-21munin-node09:43:480
22901999114,67cyclictest14127-21munin-node10:03:440
22901999113,15cyclictest3217-21snmpd08:16:220
2181129114,16sleep03217-21snmpd12:08:120
3218629014,16sleep032222-21timerwakeupswit10:58:550
2392529014,16sleep023926-21users07:13:570
22901999014,67cyclictest9538-21unixbench_singl09:49:030
22901999014,67cyclictest17431-21munin-node11:53:400
22901999014,40cyclictest3533-21runrttasks09:30:170
1509329014,16sleep015111-21df_abs08:28:140
293528914,16sleep02937-21smartctl11:08:480
2654728913,16sleep026591-21fschecks_time09:03:190
22901998922,30cyclictest26212-21basename07:23:090
22901998920,60cyclictest20128-21munin-node10:23:170
22901998915,38cyclictest27137-21munin-node12:23:380
22901998914,66cyclictest6506-21chrt09:40:270
22901998914,66cyclictest20136-21munin-node08:43:200
760728815,16sleep07610-21smart_hda08:03:490
22901998814,65cyclictest4631-21sshd07:54:220
1513428814,15sleep015194-21cpu10:08:100
907528713,15sleep00-21swapper08:08:410
22901998722,56cyclictest358-21sshd12:42:210
22901998715,62cyclictest28360-21needreboot07:28:370
22901998714,64cyclictest24141-21unixbench_singl10:33:560
22901998613,64cyclictest30566-21runrttasks12:33:500
2383828514,16sleep023842-21smart_hda08:53:470
1904628513,15sleep019080-21ls08:38:570
22901998415,59cyclictest2503-21ntp_offset07:48:380
22901998331,16cyclictest41ktimersoftd/007:43:420
22901998315,58cyclictest26925-21munin-node10:43:320
22901998314,60cyclictest32711-21latency_hist09:22:570
22901998314,60cyclictest30483-21unixbench_singl09:13:530
2244128314,15sleep022477-21ls10:28:540
1702328314,15sleep017051-21ls08:33:300
3077728214,15sleep00-21swapper07:36:470
22901998214,59cyclictest11673-21munin-node08:18:070
22901998028,42cyclictest21433-21wget08:48:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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