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2026-09-04 - 14:14
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Sep 04, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21679224502209,90sleep00-21swapper19:00:130
217849910325,32cyclictest0-21swapper21:37:530
217849910242,21cyclictest13529-21ssh00:17:230
217849910217,67cyclictest0-21swapper00:14:190
217849910217,62cyclictest20034-21ntp_states21:27:210
217849910212,70cyclictest25308-21uname21:42:300
217849910210,28cyclictest6386-21latency22:22:100
217849910135,51cyclictest0-21swapper22:03:050
217849910113,50cyclictest3228-21switchtime22:12:310
217849910111,68cyclictest28805-21/usr/sbin/munin19:41:020
217849910018,61cyclictest18807-21users22:57:370
217849910018,60cyclictest27896-21ssh23:25:120
217849910016,45cyclictest32123-21memory23:37:090
217849910012,25cyclictest25905-21sort19:21:570
217849910012,25cyclictest13194-21/usr/sbin/munin22:42:100
217849910011,25cyclictest16974-21grep22:52:330
217849910010,70cyclictest29826-21wc19:46:170
2178499999,25cyclictest6170-21wget23:56:250
21784999922,58cyclictest8032-21df_abs00:01:390
21784999918,59cyclictest16749-21irqstats00:27:040
21784999916,63cyclictest15335-21ssh21:13:160
21784999915,44cyclictest22891-21munin-run23:10:520
21784999913,64cyclictest1852-21ssh22:08:380
21784999911,63cyclictest29712-21ssh23:30:410
21784999910,68cyclictest15771-21ssh22:49:360
21784999835,48cyclictest0-21swapper23:33:280
21784999821,56cyclictest1296-21irqstats23:42:020
21784999813,64cyclictest14207-21snmpd21:16:180
21784999727,56cyclictest6125-21unixbench_singl20:31:550
21784999727,23cyclictest8707-21ssh22:28:360
21784999719,59cyclictest27882-21munin-run21:50:520
21784999717,62cyclictest23564-21ssh23:12:110
21784999716,59cyclictest14140-21munin-run21:10:520
21784999715,62cyclictest3109-21memory23:47:120
21784999715,21cyclictest25360-21ntp_states23:17:200
21784999714,64cyclictest11467-21ssh22:37:030
21784999711,45cyclictest16063-21sh00:25:200
21784999711,26cyclictest10752-21ssh00:09:300
21784999710,26cyclictest5366-21ssh23:53:120
2178499969,65cyclictest18322-21ssh21:22:240
21784999616,61cyclictest11445-21ntp_states21:02:270
21784999614,63cyclictest29741-21apt-get21:56:190
21784999614,45cyclictest28051-21ssh21:51:190
21784999612,24cyclictest5112-21ssh22:17:430
21784999516,58cyclictest9564-21df22:31:340
21784999514,62cyclictest8069-21apt-get20:46:090
21784999513,24cyclictest22699-21ssh21:35:430
21784999440,38cyclictest9645-21timerandwakeup20:51:560
21784999411,23cyclictest19917-21ssh23:01:440
21784999337,23cyclictest368-21missed_timers20:01:420
21784999335,42cyclictest0-21swapper19:56:570
21784999328,44cyclictest28445-21wc19:37:010
21784999217,25cyclictest22286-21memory19:01:390
21784999216,58cyclictest26906-21munin-run19:30:510
21784999213,62cyclictest0-21swapper20:40:500
21784999213,56cyclictest23305-21munin-run19:10:510
21784999113,43cyclictest2074-21fw_conntrack20:11:310
21784999112,60cyclictest4025-21grep20:21:430
2178499909,64cyclictest27556-21cut19:31:500
21784999016,23cyclictest7576-21memory20:41:400
21784998926,45cyclictest0-21swapper20:06:120
21784998915,25cyclictest2973-21fw_conntrack20:16:300
21784998827,30cyclictest31348-21unixbench_singl19:52:080
21784998814,25cyclictest9878-21/usr/sbin/munin20:56:540
21784998811,58cyclictest5121-21sort20:26:550
21784998718,21cyclictest24725-21memory19:16:420
21784998711,27cyclictest14207-21snmpd19:11:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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