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2026-08-28 - 06:57
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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 Aug 28, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25759224442204,89sleep00-21swapper19:00:220
258829910730,48cyclictest0-21swapper00:28:240
258829910318,45cyclictest16174-21df22:36:570
258829910225,59cyclictest0-21swapper22:01:510
258829910216,66cyclictest4285-21cstates23:36:500
258829910213,68cyclictest14846-21open_inodes22:32:440
258829910132,51cyclictest0-21swapper21:28:480
258829910118,43cyclictest6696-21users23:43:050
258829910117,45cyclictest24836-21fw_conntrack23:02:140
258829910115,66cyclictest19790-21ntp_states21:12:480
258829910115,45cyclictest19859-21fw_conntrack00:22:170
258829910111,48cyclictest29351-21ssh21:41:170
258829910016,64cyclictest21304-21df22:51:520
258829910015,23cyclictest19760-21irqstats22:47:200
25882999927,64cyclictest0-21swapper21:43:140
25882999918,43cyclictest27032-21ssh21:33:210
25882999917,45cyclictest32180-21ssh21:48:230
25882999917,43cyclictest21197-21df_inode21:17:010
25882999916,63cyclictest2543-21fw_conntrack21:57:150
25882999914,65cyclictest15416-21ssh00:08:450
25882999913,66cyclictest22570-21/usr/sbin/munin21:21:400
25882999913,63cyclictest23567-21/usr/sbin/munin22:57:540
25882999911,50cyclictest7925-21/usr/sbin/munin22:12:390
25882999832,50cyclictest12312-21ssh22:26:100
25882999832,49cyclictest0-21swapper22:10:080
25882999818,58cyclictest18135-21memory22:42:290
25882999817,42cyclictest18109-21df_inode00:17:040
25882999813,24cyclictest30226-21tr23:17:380
25882999811,48cyclictest3003-21grep23:32:440
25882999715,43cyclictest11281-21fw_conntrack23:57:130
25882999712,22cyclictest12518-21grep20:42:050
25882999711,66cyclictest17825-21ssh21:07:180
25882999618,57cyclictest1032-21irqstats23:27:250
25882999617,48cyclictest0-21swapper23:12:450
25882999615,61cyclictest27124-21users23:08:030
25882999613,63cyclictest8086-21ntp_states23:47:440
25882999613,60cyclictest9725-21ntp_states22:18:030
25882999612,22cyclictest1634-21modprobe21:54:180
25882999611,67cyclictest12594-21/usr/sbin/munin00:02:370
25882999517,59cyclictest12719-21df22:26:530
25882999515,59cyclictest30841-21users19:22:210
25882999514,60cyclictest16421-21fw_conntrack00:12:100
25882999513,25cyclictest29007-21head19:12:150
25882999512,63cyclictest16067-21ssh21:02:100
25882999511,64cyclictest1979-21grep19:42:150
2588299949,48cyclictest3018-21latency_hist19:51:170
2588299949,45cyclictest3953-21apt19:56:220
25882999436,43cyclictest0-21swapper20:56:110
25882999413,33cyclictest32259-21users23:23:000
25882999314,58cyclictest6547-21munin-run20:11:120
25882999132,39cyclictest4927-21tr20:01:360
25882999114,58cyclictest9638-21irqstats23:52:230
25882999112,62cyclictest26508-21wc19:02:100
25882999111,63cyclictest9347-21/usr/sbin/munin20:27:160
25882999041,34cyclictest11343-21cstates20:36:380
25882999018,22cyclictest27661-21fw_conntrack19:07:100
25882999017,22cyclictest29529-21irqstats19:16:530
25882999016,26cyclictest9213-21/usr/sbin/munin20:22:230
25882998917,24cyclictest32184-21fw_conntrack19:31:500
25882998915,55cyclictest14207-21snmpd20:47:100
25882998915,25cyclictest1088-21users19:37:180
25882998915,23cyclictest8322-21users20:17:210
25882998913,27cyclictest10980-21sed20:32:190
25882998912,57cyclictest3047-21latency_hist19:51:180
25882998819,23cyclictest6952-21fw_conntrack20:11:510
25882998814,21cyclictest30978-21/usr/sbin/munin19:26:530
25882998711,53cyclictest15544-21sshd21:00:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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