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2026-09-11 - 23:18
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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 highest latencies:
System rack3slot2.osadl.org (updated Fri Sep 11, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
401541499364331,21cyclictest4025469-21awk07:45:200
410055722780,3sleep04100558-21ls12:15:070
408711422530,3chrt4087111-21ntpq11:25:520
401541499252185,55cyclictest4023735-31find07:39:520
409490322470,3chrt4094902-21systemd-run11:55:030
406304622430,3chrt4063044-21df10:00:150
402723622410,2chrt4027232-21ntpq07:51:050
410062422330,2chrt4100622-21grep12:15:120
410226522310,4chrt4102263-21memory12:20:280
401541499218190,16cyclictest4023701-21kworker/u2:107:40:210
401541499214179,23cyclictest4073878-21md.daily10:39:250
406839222060,2sleep04068393-21readlink10:20:010
408166822030,2sleep04081665-21ps11:06:140
408442222020,2sleep04084420-21open_inodes11:16:130
402178921970,2sleep04021790-21basename07:31:180
401541499189145,20cyclictest4023701-21kworker/u2:107:56:210
406011021880,4chrt4060111-21latency_hist09:50:060
406451521870,2sleep04064516-21/usr/sbin/munin10:05:220
402014921840,3sleep04020150-21ntpq07:25:510
401541499184154,19cyclictest4023701-21kworker/u2:108:25:040
401541499184113,19cyclictest4048007-21kworker/u2:209:06:070
401541499183156,17cyclictest4039589-21kworker/u2:008:55:040
409305921810,2sleep04093060-21/usr/sbin/munin11:46:220
406087921760,4chrt4060878-21/usr/sbin/munin09:51:250
409861621750,3chrt4098614-21uptime12:06:190
401541499175145,20cyclictest4054865-21kworker/u2:109:56:190
401541499174144,20cyclictest4060048-21kworker/u2:010:15:060
407888321720,3chrt4078879-21ps10:56:160
401541499170141,20cyclictest4034990-21kworker/u2:208:20:040
401541499169139,19cyclictest4023701-21kworker/u2:108:30:380
408020821680,4chrt4080207-21ld11:01:030
404530021650,4chrt4045295-21ntpq08:55:570
403245221650,4chrt4032453-21if_eth008:10:220
401541499165136,18cyclictest4048007-21kworker/u2:209:11:150
401541499165134,20cyclictest4039589-21kworker/u2:009:20:060
401541499164134,19cyclictest4080097-21kworker/u2:211:11:150
401541499160131,18cyclictest4041046-21kworker/u2:108:41:150
401541499157127,19cyclictest4039589-21kworker/u2:009:00:340
401541499154126,19cyclictest4011205-21kworker/u2:207:15:290
401541499154125,19cyclictest4072363-21kworker/u2:210:46:170
401541499152123,19cyclictest4088263-21kworker/u2:212:00:370
401541499152122,19cyclictest4106486-21kworker/u2:112:35:500
401541499150121,20cyclictest4086561-21kworker/u2:111:30:310
401541499150120,19cyclictest4088263-21kworker/u2:211:40:370
401541499150120,19cyclictest4011205-21kworker/u2:207:10:560
401541499148118,20cyclictest4054865-21kworker/u2:109:41:130
401541499146116,20cyclictest4072363-21kworker/u2:210:41:150
401541499143113,19cyclictest4054865-21kworker/u2:109:35:330
401541499142113,18cyclictest4088263-21kworker/u2:211:35:450
401541499141110,20cyclictest4017249-21kworker/u2:007:21:100
40154149913999,19cyclictest4023701-21kworker/u2:108:26:140
401541499139108,20cyclictest4039589-21kworker/u2:008:50:040
401541499138108,19cyclictest4039589-21kworker/u2:009:25:020
401541499137107,19cyclictest4037769-21kworker/u2:208:36:040
401541499135106,18cyclictest4060048-21kworker/u2:010:35:070
401541499135105,19cyclictest4023701-21kworker/u2:108:00:270
401541499134104,19cyclictest4084201-21kworker/u2:011:21:090
401541499130100,19cyclictest4023701-21kworker/u2:108:05:180
4014857212395,18sleep04011205-21kworker/u2:207:06:030
40154149912092,19cyclictest4088263-21kworker/u2:211:55:210
40154149911990,19cyclictest4088263-21kworker/u2:212:25:110
40154149911686,19cyclictest4039589-21kworker/u2:009:31:130
40154149911587,19cyclictest4060048-21kworker/u2:010:20:230
40154149911487,18cyclictest4072363-21kworker/u2:210:50:090
40154149911484,19cyclictest4039589-21kworker/u2:009:26:270
40154149910676,20cyclictest4088263-21kworker/u2:212:31:200
40154149910373,19cyclictest4069799-21kworker/u2:110:25:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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