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2026-07-08 - 12:24
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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 Wed Jul 08, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122226022640,2sleep01222259-21true19:15:030
130361922530,3chrt1303618-21/usr/sbin/munin00:06:240
128538222490,4chrt1285368-21ntpq23:00:330
126176222360,3chrt1261757-21ntpq21:35:470
129970822220,3sleep01299706-21timerandwakeup23:51:210
122086499210179,19cyclictest1297951-21kworker/u2:000:00:040
122086499210178,19cyclictest1241764-21kworker/u2:120:30:050
122086499202173,17cyclictest1266820-21kworker/u2:222:00:090
122086499201171,19cyclictest1297951-21kworker/u2:000:00:160
122086499199168,19cyclictest1235252-21kworker/u2:020:00:380
122086499198167,19cyclictest1225072-21kworker/u2:219:30:370
122086499197164,20cyclictest1266820-21kworker/u2:222:20:040
122086499196166,18cyclictest1235252-21kworker/u2:020:05:370
122086499196165,19cyclictest1260250-21kworker/u2:021:50:030
122086499194162,19cyclictest1276572-21kworker/u2:122:55:030
122086499191159,20cyclictest1289477-21kworker/u2:023:25:070
122086499189159,18cyclictest1229245-21kworker/u2:119:55:040
122086499189158,19cyclictest1241764-21kworker/u2:120:55:040
122086499187157,20cyclictest29-21kswapd000:10:220
128769921860,3chrt1287694-21munin-run23:10:010
122086499186156,18cyclictest1297951-21kworker/u2:023:46:170
122086499184153,19cyclictest1297951-21kworker/u2:000:25:040
122086499183155,19cyclictest1260250-21kworker/u2:021:41:190
122086499183153,19cyclictest1241764-21kworker/u2:120:40:020
122086499183151,20cyclictest1276572-21kworker/u2:123:10:360
130682621820,3chrt1306827-21cron00:20:000
122086499182151,20cyclictest1276572-21kworker/u2:122:50:030
127705621810,4chrt1277054-21sshd22:30:400
122086499181149,20cyclictest1235252-21kworker/u2:020:10:370
122086499180150,18cyclictest1256166-21kworker/u2:221:25:370
122086499179150,18cyclictest1256166-21kworker/u2:221:20:010
122086499179148,19cyclictest1297951-21kworker/u2:000:35:010
122086499179147,20cyclictest1225072-21kworker/u2:219:45:080
122086499178148,19cyclictest1276572-21kworker/u2:122:45:030
122086499177151,17cyclictest1289477-21kworker/u2:023:20:010
122086499176144,19cyclictest1225072-21kworker/u2:219:40:390
122086499175144,19cyclictest1292331-21kworker/u2:123:35:070
122086499173144,19cyclictest1241764-21kworker/u2:120:55:380
122086499173143,20cyclictest1241764-21kworker/u2:120:30:370
126595621720,4chrt1265951-21ntpq21:50:480
122086499172142,19cyclictest1216425-21kworker/u2:119:20:030
129488621710,3chrt1294884-21diskstats23:35:180
122086499171142,18cyclictest1241764-21kworker/u2:120:40:380
122086499171141,18cyclictest1229245-21kworker/u2:119:55:420
122086499171140,20cyclictest1238985-21kworker/u2:220:20:010
127398621700,4chrt1273987-21grep22:20:130
126878921700,4chrt1268786-21ntpq22:00:560
122086499170138,19cyclictest1266820-21kworker/u2:222:15:050
122086499167137,19cyclictest1292331-21kworker/u2:123:26:160
122086499166135,19cyclictest1256166-21kworker/u2:221:25:070
122086499166135,19cyclictest1238985-21kworker/u2:220:21:320
122086499164136,18cyclictest1297951-21kworker/u2:000:40:030
122086499162131,20cyclictest1225072-21kworker/u2:219:35:370
122086499162131,19cyclictest1241764-21kworker/u2:121:05:080
122086499161132,18cyclictest1292331-21kworker/u2:123:41:180
122086499161131,19cyclictest1266820-21kworker/u2:222:36:180
122086499160131,18cyclictest1241764-21kworker/u2:120:50:040
122086499158128,19cyclictest1256166-21kworker/u2:221:30:420
122086499158128,19cyclictest1216425-21kworker/u2:119:10:040
122086499157126,19cyclictest1266820-21kworker/u2:222:10:050
122086499156129,18cyclictest1216425-21kworker/u2:119:21:180
122086499156126,19cyclictest1297951-21kworker/u2:000:30:040
122086499156126,19cyclictest1241764-21kworker/u2:121:05:370
122086499153123,19cyclictest1276572-21kworker/u2:123:00:030
122086499148116,19cyclictest1241764-21kworker/u2:121:10:230
122086499147118,18cyclictest1225072-21kworker/u2:219:30:040
122086499135105,19cyclictest1266820-21kworker/u2:222:25:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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