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2026-04-19 - 05:48
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Apr 19, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9846224532215,90sleep00-21swapper19:03:480
102909911143,33cyclictest23268-21switchtime22:14:120
102909910420,62cyclictest30311-21users22:34:190
102909910416,63cyclictest31247-21apt00:12:410
102909910213,70cyclictest13110-21ssh23:19:070
102909910118,43cyclictest5666-21fw_conntrack21:23:330
102909910115,46cyclictest5932-21fw_conntrack22:58:360
102909910114,68cyclictest0-21swapper20:04:150
102909910032,51cyclictest0-21swapper21:41:130
102909910032,50cyclictest0-21swapper22:53:060
102909910020,58cyclictest24820-21fw_conntrack23:53:320
102909910017,42cyclictest14483-21df_inode23:23:250
102909910016,23cyclictest14231-21df_inode21:48:240
102909910013,67cyclictest18019-21irqstats23:33:450
102909910011,50cyclictest10683-21/usr/sbin/munin23:13:280
102909910010,70cyclictest3585-21ssh22:52:030
10290999932,51cyclictest0-21swapper00:16:540
10290999914,63cyclictest955-21fw_conntrack00:18:330
10290999914,44cyclictest26433-21df23:58:140
10290999913,27cyclictest7027-21ssh21:27:570
10290999911,26cyclictest2344-21ssh00:22:530
10290999832,45cyclictest24615-21ssh22:18:320
10290999814,21cyclictest4018-21irqstats21:18:440
10290999813,46cyclictest7639-21fw_conntrack23:03:300
10290999717,60cyclictest358-21apt-get22:42:560
10290999717,42cyclictest12796-21ntp_states21:44:010
10290999716,59cyclictest16381-21memory23:28:520
10290999716,58cyclictest17734-21ssh21:58:370
10290999716,43cyclictest16059-21irqstats21:53:430
10290999716,23cyclictest6074-21ssh00:33:250
10290999715,62cyclictest31097-21apt-get22:37:540
10290999712,24cyclictest22006-21ssh23:44:330
1029099968,47cyclictest23659-21users23:49:190
1029099968,26cyclictest2565-21sendmail_mailqu21:14:080
10290999617,58cyclictest9285-21/usr/sbin/munin23:08:210
10290999616,59cyclictest4024-21apt-get00:27:520
10290999615,68cyclictest0-21swapper22:11:230
10290999614,23cyclictest17409-21df19:43:020
10290999611,63cyclictest1266-21ssh21:10:360
10290999611,25cyclictest31182-21sshd20:58:260
1029099959,26cyclictest27916-21ssh00:02:580
10290999517,27cyclictest9165-21irqstats21:33:430
10290999516,57cyclictest13599-21apt19:22:420
10290999513,62cyclictest24615-21df20:23:020
10290999512,25cyclictest12886-21wc19:17:590
10290999435,44cyclictest22183-21open_inodes20:08:280
10290999422,49cyclictest11147-21users19:08:420
10290999415,59cyclictest28098-21irqstats22:28:410
10290999413,29cyclictest18298-21/usr/sbin/munin19:48:020
10290999312,23cyclictest20348-21ssh23:39:510
10290999237,21cyclictest25945-21apt-get22:22:580
10290999216,36cyclictest12045-21df_inode19:13:260
10290999118,23cyclictest22872-21fw_conntrack20:13:110
10290999112,22cyclictest19703-21ssh22:04:050
10290999017,25cyclictest28274-21df_inode20:43:070
10290999012,58cyclictest27580-21sshd20:38:260
10290999010,64cyclictest16769-21grep19:38:260
10290999010,26cyclictest20550-21ls19:58:370
1029099899,42cyclictest15298-21latency_hist19:32:340
10290998917,25cyclictest23777-21df_inode20:18:060
10290998829,16cyclictest0-21swapper20:28:340
10290998816,23cyclictest15675-21fw_conntrack19:33:100
10290998814,27cyclictest28940-21basename20:47:530
10290998811,58cyclictest18984-21/usr/sbin/munin19:53:290
10290998811,27cyclictest26596-21/usr/sbin/munin20:33:230
10290998717,48cyclictest29791-21apt-get20:52:490
10290998713,27cyclictest32070-21grep21:03:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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