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2026-04-24 - 06:21
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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 376 highest latencies:
System rack3slot2.osadl.org (updated Fri Apr 24, 2026 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
212128122570,3chrt2121284-21kernelversion19:30:260
217124522530,2sleep02171248-21grep22:30:120
211461822500,3chrt2114619-21/usr/sbin/munin19:05:550
218138922460,3chrt2181379-21ntpq23:05:520
216171522360,3chrt2161713-21memory21:55:300
218704422330,3chrt2187045-21ld23:26:100
217475622050,3sleep02174758-21timerandwakeup22:41:200
213103821990,3sleep02131042-21cut20:05:260
212029521910,2sleep02120296-21find19:26:160
211537499184152,20cyclictest2153478-21kworker/u2:021:30:040
218646121810,2sleep02186459-21ls23:25:060
220053321720,3chrt2200528-21ntpq00:15:520
215794421720,4chrt2157943-21mailstats21:41:180
213411521720,3chrt2134113-21ntpq20:16:100
212866821720,3chrt2128670-21tr19:56:170
212297821700,4chrt2122977-21ntpq19:36:110
213641721690,3chrt2136415-21apt20:25:120
211537499168109,47cyclictest83-21jbd2/mmcblk0p2-19:55:030
220330821660,3chrt2203305-21ntpq00:25:490
211537499163133,19cyclictest2199976-21kworker/u2:000:21:170
211537499163132,20cyclictest2194756-21kworker/u2:200:05:460
215898921550,2sleep02158990-21netstat21:45:310
211537499155128,18cyclictest2155368-21kworker/u2:221:51:220
211537499151121,19cyclictest2203264-21kworker/u2:100:30:220
211537499149118,20cyclictest2194756-21kworker/u2:200:00:150
211537499146116,19cyclictest2147853-21kworker/u2:021:10:530
215620321430,2sleep02156205-21ntpq21:35:320
211537499137106,19cyclictest2153478-21kworker/u2:021:31:060
220704221310,2sleep02207044-21sort00:40:070
216978521300,2sleep02169787-21sort22:25:070
219509921260,2sleep02195100-21latency23:55:270
21153749912696,19cyclictest2165920-21kworker/u2:122:16:220
218438321230,2sleep02184386-21awk23:16:160
21153749912191,19cyclictest2116764-21kworker/u2:119:20:030
21153749912090,19cyclictest2126523-21kworker/u2:120:00:450
21153749911686,19cyclictest2111632-21kworker/u2:219:13:230
21153749911486,18cyclictest2146030-21kworker/u2:121:05:030
21153749911183,18cyclictest2111632-21kworker/u2:219:21:180
21153749911083,18cyclictest2185027-21kworker/u2:023:31:300
21153749911082,19cyclictest2189188-21kworker/u2:223:36:090
21153749911079,20cyclictest2146030-21kworker/u2:121:20:410
21153749911077,22cyclictest2172619-21apt-get22:35:130
21153749910982,18cyclictest2119563-21kworker/u2:019:45:310
21153749910475,19cyclictest2155368-21kworker/u2:222:05:250
2115374999969,19cyclictest2155368-21kworker/u2:222:25:440
2115374999667,19cyclictest2175272-21kworker/u2:223:11:030
2115374999568,18cyclictest2119563-21kworker/u2:019:43:430
2115374999161,19cyclictest2175272-21kworker/u2:223:00:050
2115374998961,18cyclictest2155368-21kworker/u2:222:05:040
2115374998656,19cyclictest2147853-21kworker/u2:021:16:130
2115374998153,19cyclictest2143231-21kworker/u2:020:51:200
2115374998050,19cyclictest2165920-21kworker/u2:122:13:190
2115374997949,19cyclictest2175272-21kworker/u2:222:52:250
2115374997343,19cyclictest2194756-21kworker/u2:200:10:480
214320827243,18sleep02134893-21kworker/u2:220:49:590
2115374996840,19cyclictest2146030-21kworker/u2:121:10:070
2115374996829,16cyclictest2135343-21ntpq20:20:340
2115374996729,16cyclictest2191389-21mailstats23:41:170
21412622650,2sleep02141261-21sensors20:41:160
2115374996535,20cyclictest2192464-21kworker/u2:023:45:420
2115374996312,19cyclictest2145685-21seq20:57:280
2115374996234,19cyclictest2132105-21kworker/u2:120:11:210
2115374996220,18cyclictest2175866-21sh22:46:010
2115374996123,15cyclictest2193966-21ntpq23:51:030
2115374996037,14cyclictest2139482-21/usr/sbin/munin20:35:300
2115374995922,16cyclictest2180058-21ntpq23:01:030
2115374995828,19cyclictest2136770-21kworker/u2:020:30:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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