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2026-08-29 - 19:51
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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 all highest latencies:
System rack5slot7.osadl.org (updated Sat Aug 29, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20067224490,11sleep019350-1kworker/u3:006:56:530
209179910719,66cyclictest15371-21apt-get12:26:310
209179910513,70cyclictest12929-21ssh10:43:450
209179910418,25cyclictest15526-21df10:51:530
209179910417,47cyclictest4303-21users11:52:520
209179910416,70cyclictest0-21swapper07:06:070
209179910316,64cyclictest23820-21ssh11:16:140
209179910316,46cyclictest10207-21df09:01:510
209179910217,26cyclictest19068-21memory09:27:280
209179910215,65cyclictest22019-21latency_hist11:11:120
209179910117,62cyclictest27656-21memory09:52:240
209179910115,24cyclictest16262-21ssh09:18:590
209179910018,59cyclictest25922-21fw_conntrack11:22:100
209179910017,24cyclictest28840-21munin-run11:31:100
209179910017,21cyclictest11668-21apt-get09:06:260
209179910016,23cyclictest17493-21memory10:57:250
209179910012,68cyclictest8001-21cat08:51:070
209179910012,66cyclictest16936-21/usr/sbin/munin09:21:390
209179910010,28cyclictest9048-21wget08:56:280
20917999931,50cyclictest0-21swapper11:58:110
20917999917,62cyclictest14193-21memory12:22:290
20917999917,61cyclictest25743-21df_inode09:46:590
20917999917,23cyclictest1530-21munin-run11:46:080
20917999914,47cyclictest29600-21users07:47:170
20917999914,45cyclictest10124-21apt-get10:36:250
20917999914,23cyclictest30879-21df_inode10:01:590
20917999912,25cyclictest11726-21ssh12:15:380
20917999816,66cyclictest0-21swapper12:01:360
20917999816,61cyclictest8326-21df08:51:370
20917999815,63cyclictest32604-21df_inode10:07:030
20917999815,62cyclictest8934-21memory10:32:260
20917999815,62cyclictest12590-21ntp_states12:17:400
20917999815,60cyclictest27940-21apt-get07:41:170
20917999814,54cyclictest0-21swapper10:01:010
20917999810,25cyclictest20046-21ssh11:05:050
20917999719,58cyclictest6767-21grep08:42:040
20917999717,23cyclictest31064-21fw_conntrack11:37:060
20917999716,60cyclictest3668-21/usr/sbin/munin10:17:130
20917999714,24cyclictest26036-21munin-run07:31:070
20917999714,22cyclictest22304-21df_abs09:36:550
20917999713,46cyclictest13749-21df_inode09:12:050
20917999710,65cyclictest30620-21wc11:36:120
20917999630,49cyclictest0-21swapper10:25:400
20917999620,25cyclictest1651-21apt-get11:46:260
20917999617,60cyclictest14153-21ntp_states10:47:370
20917999617,40cyclictest8856-21df_inode12:07:030
20917999615,62cyclictest24072-21fw_conntrack09:42:070
20917999615,42cyclictest2080-21memory10:12:260
20917999611,63cyclictest27232-21cstates07:36:330
20917999514,22cyclictest21868-21ssh09:36:110
2091799949,24cyclictest14207-21snmpd11:19:160
20917999415,41cyclictest4809-21fw_conntrack08:31:470
20917999412,46cyclictest24165-21sshd07:17:130
20917999412,32cyclictest24547-21/usr/sbin/munin07:21:340
20917999314,19cyclictest6686-21apt-get10:26:280
20917999313,61cyclictest5417-21/usr/sbin/munin08:37:080
20917999312,23cyclictest26149-21/usr/sbin/munin07:31:470
20917999212,62cyclictest32018-21ntp_states08:02:040
20917999121,52cyclictest22439-21munin-run07:11:080
20917999011,60cyclictest1808-21/usr/sbin/munin08:17:070
2091799899,62cyclictest3692-21aten_r5power_po08:26:310
2091799899,23cyclictest1363-21ntpq08:12:010
20917998915,58cyclictest30651-21apt-get07:56:260
20917998819,23cyclictest32643-21df08:06:340
20917998817,23cyclictest3508-21munin-run08:26:070
20917998710,22cyclictest22772-21grep07:11:400
20917998516,48cyclictest29750-21apt07:51:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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