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2025-08-30 - 15:43
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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 792 highest latencies:
System rack3slot2.osadl.org (updated Sat Aug 30, 2025 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
221547723000,2sleep02215479-21tr11:21:510
217582222690,4chrt22-21kcompactd009:21:320
223281622620,2sleep02232818-21sort12:15:100
216807522610,3chrt2168063-21ntpq08:55:480
216488122540,2sleep02164884-21wc08:45:070
220026022460,3chrt2200251-21ntpq10:35:410
218343822460,3chrt2183439-21latency_hist09:45:100
214992122450,3chrt2149917-21ntpq07:50:420
218725022410,3chrt2187247-21ntpq09:56:150
222145022380,3chrt2221297-21/usr/sbin/munin11:40:290
216539722380,3chrt2165395-21ntpq08:46:060
213821599228189,26cyclictest2146302-31find07:37:540
218036722160,2sleep02180369-21uname09:35:330
213821599210182,18cyclictest2237714-21kworker/u2:212:30:330
213821599200172,17cyclictest2155008-21kworker/u2:108:20:050
222866821970,2sleep02228670-21grep12:01:470
219057221960,2sleep02190570-21ntp_offset10:06:160
213821599195168,18cyclictest2169930-21kworker/u2:009:30:060
213821599194166,16cyclictest2197920-21kworker/u2:310:30:270
213821599192164,17cyclictest2164781-21kworker/u2:109:15:060
213821599192161,21cyclictest84-21jbd2/mmcblk0p2-09:50:050
223749821870,3chrt2237499-21rm12:28:470
213821599187158,18cyclictest2164781-21kworker/u2:108:55:040
216072121820,3chrt2160720-21/usr/sbin/munin08:30:120
213821599182152,18cyclictest2216142-21kworker/u2:112:20:020
213821599178147,19cyclictest2183043-21kworker/u2:009:51:490
213821599177148,18cyclictest2212412-21kworker/u2:311:30:070
213821599177148,17cyclictest2151842-21kworker/u2:108:00:030
213821599177147,19cyclictest2205919-21kworker/u2:111:16:490
213821599177146,19cyclictest2209568-21kworker/u2:211:11:510
213821599177144,22cyclictest2179926-21anacron09:34:390
213821599176147,19cyclictest2155008-21kworker/u2:108:15:030
213821599174145,18cyclictest2212412-21kworker/u2:311:51:410
220252821730,2sleep02202529-21who10:41:590
213821599173143,18cyclictest2197920-21kworker/u2:311:00:120
220322021720,2sleep02203222-21find10:45:130
213821599171143,18cyclictest2197920-21kworker/u2:311:02:010
213821599170139,20cyclictest2187862-21kworker/u2:110:11:560
222314821680,3chrt2223149-21/usr/sbin/munin11:45:290
213821599168141,17cyclictest2146270-21kworker/u2:107:45:050
216262521660,4chrt2162624-21ld08:36:130
213821599166138,17cyclictest2155008-21kworker/u2:108:26:260
213821599166137,18cyclictest2168041-21kworker/u2:209:01:200
213821599166136,19cyclictest2239445-21kworker/u2:112:40:030
213821599165138,17cyclictest2226087-21kworker/u2:411:56:520
213821599165134,20cyclictest84-21jbd2/mmcblk0p2-09:20:060
213821599164135,18cyclictest2192711-21kworker/u2:310:20:070
219506921630,4chrt2195068-21/usr/sbin/munin10:20:160
213821599163135,18cyclictest2220615-21kworker/u2:011:40:050
213821599163134,18cyclictest2139477-21kworker/u2:107:16:210
214819721620,4chrt2148195-21cpu07:45:140
213821599162133,18cyclictest2202910-21kworker/u2:011:05:180
213821599162133,18cyclictest2169930-21kworker/u2:009:05:360
213821599162132,20cyclictest2212412-21kworker/u2:311:31:400
213821599159130,19cyclictest2202910-21kworker/u2:010:55:020
213821599158127,19cyclictest2123536-21kworker/u2:007:11:210
213821599157126,19cyclictest2132198-21kworker/u2:207:20:090
213821599156130,17cyclictest2155008-21kworker/u2:108:25:070
213821599156125,19cyclictest2229123-21kworker/u2:012:05:180
213821599155125,18cyclictest2233825-21kworker/u2:012:20:270
213821599154125,18cyclictest2142628-21kworker/u2:107:30:070
213821599151122,17cyclictest2144218-21kworker/u2:007:30:320
213821599151121,18cyclictest2187862-21kworker/u2:110:00:270
213821599146117,18cyclictest2187862-21kworker/u2:110:25:570
213821599144115,18cyclictest2153507-21kworker/u2:208:10:030
213821599142111,19cyclictest2149816-21kworker/u2:008:00:530
21382159912494,19cyclictest84-21jbd2/mmcblk0p2-07:10:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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