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2023-12-10 - 18:05
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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 highest latencies:
System rack7slot8 (updated Sun Dec 10, 2023 13:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43062950182,431sleep03684-21kworker/0:007:05:340
52369916845,29cyclictest3650irq/20-4900000012:27:100
52369916640,19cyclictest22839-21cron12:35:010
52369916448,23cyclictest0-21swapper/009:06:510
52369916032,32cyclictest9810-21runrttasks11:43:180
52369916029,30cyclictest10993-21netstat09:40:400
52369915837,22cyclictest20658-21runrttasks10:18:170
5236991579,18cyclictest27102-21apt-get10:47:130
52369915734,28cyclictest16352-21/usr/sbin/munin12:10:510
52369915657,15cyclictest7990-21netstat11:35:430
52369915641,17cyclictest21993-21runrttasks10:23:550
52369915547,18cyclictest4114-21runrttasks11:20:240
52369915546,15cyclictest10150irq/55-4a10000008:58:580
52369915521,14cyclictest17132-21latency_hist10:05:030
52369915446,26cyclictest101ktimersoftd/007:50:270
52369915351,17cyclictest3192-21/usr/sbin/munin09:10:170
52369915341,24cyclictest3183-21systemctl11:15:540
52369915310,18cyclictest28447-21irqstats08:40:420
52369915246,20cyclictest30650-21aten_r7power_cu08:50:230
5236991506,59cyclictest15800-21sshd12:06:250
52369915049,16cyclictest13483-21seq07:40:500
52369915044,18cyclictest1640-21runrttasks11:10:360
5236991497,17cyclictest6729-21memory11:30:440
52369914945,18cyclictest15621-21latency_hist07:50:040
5236991493,39cyclictest1370-21snmpd09:25:370
52369914838,22cyclictest762-21systemd-journal12:00:010
5236991476,19cyclictest8577-21ntp_states09:30:510
52369914742,12cyclictest10150irq/55-4a10000007:30:290
5236991458,22cyclictest6095-21sshd09:20:490
52369914557,11cyclictest101ktimersoftd/007:10:510
52369914542,18cyclictest17496-21runrttasks10:05:300
52369914446,12cyclictest10150irq/55-4a10000007:15:520
52369914440,20cyclictest9887-21runrttasks07:27:300
5236991435,27cyclictest27187-21irqstats08:35:420
52369914256,11cyclictest101ktimersoftd/008:25:020
52369914252,11cyclictest101ktimersoftd/010:40:250
52369914243,17cyclictest23258-21runrttasks12:35:330
52369914149,14cyclictest12389-21basename09:45:250
52369914055,9cyclictest101ktimersoftd/007:21:430
52369913953,10cyclictest101ktimersoftd/009:35:200
52369913754,10cyclictest101ktimersoftd/009:15:420
52369913554,12cyclictest101ktimersoftd/010:30:480
52369913537,26cyclictest101ktimersoftd/008:00:580
52369913452,11cyclictest101ktimersoftd/010:55:450
5236991137,56cyclictest10150irq/55-4a10000008:49:400
26049210713,81sleep026047-21ntp_states08:30:510
3196521065,90sleep031968-21/usr/sbin/munin11:01:000
63021059,82sleep0663-21mailstats11:05:540
1931521055,87sleep019368-21/usr/sbin/munin12:20:470
5236999630,49cyclictest1370-21snmpd08:15:140
144712965,80sleep014472-21sshd09:53:400
5236999428,20cyclictest19536-21wget08:05:260
120902944,80sleep012133-21mailstats07:35:540
9082908,72sleep0910-21fw_forwarded_lo09:00:370
5236999036,18cyclictest14875-21aten_r7power_vo09:55:240
226542905,73sleep022652-21ntp_states10:25:470
5236998540,13cyclictest10250irq/56-4a10000011:26:180
5236998538,31cyclictest25315-21/usr/sbin/munin10:35:560
5236998423,17cyclictest20659-1kworker/0:2H08:11:250
5236998346,26cyclictest0-21swapper/008:25:310
5236998337,30cyclictest3650irq/20-4900000012:00:340
5236998235,33cyclictest10150irq/55-4a10000011:50:440
5236998032,14cyclictest10250irq/56-4a10000011:45:270
5236997958,12cyclictest101ktimersoftd/010:10:330
5236997760,11cyclictest101ktimersoftd/007:55:510
5236997735,28cyclictest10150irq/55-4a10000012:16:280
5236997647,19cyclictest29665-21runrttasks10:52:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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