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2025-11-13 - 08:06
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Thu Nov 13, 2025 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327904522770,2sleep03279048-21tr22:27:000
330229022710,4chrt3302288-21/usr/sbin/munin23:35:360
328178422570,3sleep03281785-21cat22:35:310
327565322570,3sleep03275656-21awk22:16:570
325775122520,2sleep03257753-21latency_hist21:25:090
325944622500,2sleep03259447-21date21:30:090
332247722440,3chrt3322473-21diskstats00:35:260
322250522440,4chrt3222501-21ntpq19:21:130
323461022430,3chrt3234608-21df20:05:140
331973022320,4chrt3319734-21wc00:26:530
321905799219185,22cyclictest3312343-21ls00:05:280
323375522090,2sleep03233756-21gzip20:01:180
328682422020,3sleep03286822-21df22:50:140
321905799201172,18cyclictest3286345-21kworker/u2:023:06:350
325181421990,2sleep03251812-21open_inodes21:06:150
322635321980,2sleep03226356-21cut19:35:270
329700921950,2sleep03297011-21grep23:20:150
330868521900,4chrt3308686-21cron23:54:590
326181321890,3sleep03261814-21sh21:36:280
323722221880,4chrt3237223-21latency_hist20:15:070
321905799188159,19cyclictest3315422-21kworker/u2:200:35:070
321905799186155,19cyclictest3265837-21kworker/u2:121:55:060
328494221850,3chrt1-21systemd22:45:080
321905799185156,20cyclictest29-21kswapd000:01:170
326826021810,3chrt3268065-21/usr/sbin/munin21:55:300
321905799181152,18cyclictest3242442-21kworker/u2:120:50:040
321905799178149,18cyclictest3214435-21kworker/u2:019:10:040
326008721770,4chrt3260086-21ssh21:31:260
324152421770,4chrt3241522-21apt20:30:120
321905799176146,19cyclictest3235804-21kworker/u2:320:20:050
324036321750,3sleep03240366-21sort20:25:320
321905799174140,23cyclictest3300215-21true23:30:040
329078521730,4chrt3290783-21sshd23:01:410
321905799172143,18cyclictest3315422-21kworker/u2:200:15:060
321905799172142,19cyclictest3251639-21kworker/u2:121:12:010
324974821710,4chrt3249734-21munin-run21:00:010
322521621710,2sleep03225217-21ld19:30:550
321905799171141,18cyclictest3247449-21kworker/u2:022:06:570
321905799170139,20cyclictest84-21jbd2/mmcblk0p2-23:45:040
321905799169141,18cyclictest3296403-21kworker/u2:223:20:050
321905799169141,18cyclictest3253856-21kworker/u2:321:20:070
321905799169141,18cyclictest3240338-21kworker/u2:020:40:050
321905799167139,18cyclictest3279673-21kworker/u2:322:35:100
321905799167138,18cyclictest3277363-21kworker/u2:022:25:090
321905799166137,18cyclictest3286345-21kworker/u2:023:30:330
328882921650,4chrt3288828-21ld22:55:490
321905799165135,20cyclictest3235804-21kworker/u2:320:20:090
321905799164136,17cyclictest3247449-21kworker/u2:021:50:050
321905799164133,19cyclictest3255899-21kworker/u2:221:41:580
321905799163135,18cyclictest3279673-21kworker/u2:323:15:050
321905799161132,17cyclictest3249763-21kworker/u2:221:05:070
321905799160132,17cyclictest3318541-21kworker/u2:000:25:060
321905799159130,18cyclictest3301390-21kworker/u2:123:50:010
321905799158130,17cyclictest3310248-21kworker/u2:100:00:050
321905799156127,18cyclictest3247449-21kworker/u2:020:55:070
321905799156126,19cyclictest84-21jbd2/mmcblk0p2-00:20:060
321905799154126,17cyclictest3225707-21kworker/u2:019:45:060
321905799150123,17cyclictest3274568-21kworker/u2:322:15:070
321905799150123,17cyclictest3225707-21kworker/u2:020:00:050
321905799149119,19cyclictest3279673-21kworker/u2:322:45:420
321905799149119,18cyclictest3214435-21kworker/u2:019:15:370
321905799148119,18cyclictest3225707-21kworker/u2:019:50:020
321905799146118,17cyclictest3265837-21kworker/u2:122:05:050
321918121450,3sleep03219182-21date19:10:070
321905799143116,17cyclictest3223731-21kworker/u2:119:30:050
321905799139112,17cyclictest3230714-21kworker/u2:119:55:040
321905799139108,20cyclictest3242442-21kworker/u2:120:40:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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