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2026-08-28 - 14:19
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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 Aug 28, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134119599268237,20cyclictest29-21kswapd011:31:020
137244322630,4chrt1372440-21ntpq09:00:480
134119599261233,18cyclictest29-21kswapd007:40:210
136819022560,3chrt1368178-21ntpq08:45:340
134119599245216,19cyclictest29-21kswapd007:45:220
140853122420,4chrt1408532-21missed_timers11:10:300
134119599236202,23cyclictest1416513-21true11:40:030
134119599235205,20cyclictest29-21kswapd007:38:490
136087922200,2sleep01360880-21cat08:20:080
137200822180,2sleep01372010-21sort09:00:080
142501222130,2sleep01425015-21cpu12:10:120
140742022120,2sleep01407424-21wc11:06:150
137682722080,3sleep01376825-21sendmail_mailst09:16:170
142790922040,2sleep01427910-21/usr/sbin/munin12:20:220
135855322030,2sleep01358554-21ntpq08:10:560
142420921990,2sleep01424211-21awk12:06:150
134697821860,2sleep01346979-21/usr/sbin/munin07:30:150
142141721780,3sleep01421418-21cat11:56:160
136943121700,4chrt1369432-21irqstats08:50:270
135706721700,4chrt1357057-21ntpq08:05:390
138113721670,2sleep01381138-21cat09:31:180
138639421660,3chrt1386384-21ntpq09:50:510
134119599162133,20cyclictest1363554-21kworker/u2:108:35:390
141819021580,2sleep01418191-21awk11:45:210
134119599158124,23cyclictest1413247-40mandb11:26:260
134119599150117,22cyclictest1352623-21diskstats07:50:200
140059921380,2sleep01400600-21/usr/sbin/munin10:41:180
134119599129101,19cyclictest1389073-21kworker/u2:110:15:020
136385821190,2sleep01363856-21kernelversion08:30:250
13411959911789,19cyclictest1357054-21kworker/u2:008:41:170
142970021130,3sleep01429698-21open_inodes12:26:130
13411959911279,22cyclictest1430686-21anacron12:30:220
13411959910980,18cyclictest1418382-21kworker/u2:011:52:360
13411959910881,19cyclictest1399790-21kworker/u2:211:15:230
13411959910878,19cyclictest1339798-21kworker/u2:207:10:280
13411959910476,18cyclictest1408132-21kworker/u2:011:21:260
13411959910274,19cyclictest1392800-21kworker/u2:010:30:100
13411959910272,20cyclictest1376086-21kworker/u2:109:43:290
1341195999868,20cyclictest1416652-21apt-get11:40:100
13824572920,2chrt22-21kcompactd009:36:150
134050428312,19sleep01340558-21cut07:05:590
1341195998254,19cyclictest1357054-21kworker/u2:008:20:080
1341195998052,19cyclictest1330215-21kworker/u2:007:20:540
138913527910,18sleep01389140-21ld10:00:420
1341195997545,19cyclictest1422085-21kworker/u2:112:03:480
1341195997345,19cyclictest1384923-21kworker/u2:009:46:180
14062382720,3sleep01406240-21sed11:01:190
13913492685,15sleep00-21swapper10:09:370
1341195996843,15cyclictest1355980-21awk08:01:170
1341195996728,16cyclictest1396979-21/usr/sbin/munin10:30:020
14051602665,14sleep00-21swapper10:58:410
13993742665,15sleep00-21swapper10:36:510
1341195996629,17cyclictest1394704-21ntpq10:20:410
14023942655,14sleep00-21swapper10:48:450
13539122655,13sleep00-21swapper07:55:100
13465012654,14sleep00-21swapper07:27:510
13436292655,14sleep00-21swapper07:17:140
13631292645,14sleep00-21swapper08:26:370
1341195996427,17cyclictest1427630-21munin-run12:20:020
1341195996421,19cyclictest0-21swapper09:58:180
1341195996421,19cyclictest0-21swapper09:26:240
1341195996322,17cyclictest1375200-21ntpq09:10:450
1341195996312,18cyclictest1402762-21df10:50:150
1341195996220,18cyclictest13784862chrt09:21:490
1341195996111,26cyclictest1432708-21timerwakeupswit12:36:180
1341195996031,18cyclictest1373683-21memory09:05:270
1341195996031,17cyclictest1393281-21ntpq10:15:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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