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2026-05-13 - 10:30
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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 Wed May 13, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30746224062170,182sleep00-21swapper19:05:340
308739910419,22cyclictest11604-21apt-get22:16:490
308739910317,23cyclictest4967-21apt-get23:31:440
308739910315,66cyclictest32589-21grep21:42:500
308739910219,44cyclictest24234-21fw_conntrack00:27:270
308739910218,63cyclictest32643-21fw_conntrack23:17:270
308739910216,23cyclictest13324-21apt-get22:21:410
308739910212,70cyclictest20255-21ssh21:07:210
308739910134,49cyclictest0-21swapper22:36:230
308739910118,63cyclictest20308-21munin-run00:16:280
308739910115,23cyclictest1901-21ntp_states21:47:560
308739910114,48cyclictest29073-21memory21:32:450
308739910017,23cyclictest20708-21df00:17:080
308739910016,64cyclictest9994-21munin-run23:46:250
308739910015,25cyclictest31864-21munin-node19:11:350
308739910010,26cyclictest11905-21ssh23:51:550
30873999916,43cyclictest21915-21apt-get22:46:500
30873999915,44cyclictest27237-21cat00:36:300
30873999913,25cyclictest30619-21df_inode21:37:170
30873999912,66cyclictest26175-21ssh21:23:500
30873999817,33cyclictest25742-21fw_conntrack22:57:230
30873999815,62cyclictest8287-21munin-run23:41:250
30873999815,61cyclictest5071-21df_inode21:57:200
30873999815,21cyclictest22599-21irqstats00:22:340
30873999812,49cyclictest23924-21df_abs22:52:120
30873999810,67cyclictest3776-21ls21:53:050
30873999716,44cyclictest14095-21memory23:57:420
30873999716,42cyclictest4856-21fw_conntrack19:42:010
30873999716,20cyclictest17522-21memory00:07:450
30873999714,23cyclictest27438-21ntp_states21:27:540
30873999714,23cyclictest10463-21df_inode23:47:200
30873999713,22cyclictest15811-21memory00:02:440
30873999631,49cyclictest18482-21/usr/sbin/munin22:37:310
30873999617,19cyclictest29074-21df23:07:100
30873999616,44cyclictest3783-21memory23:27:450
30873999615,60cyclictest21895-21df21:12:070
30873999612,61cyclictest11345-21ssh22:15:510
30873999534,45cyclictest0-21swapper22:04:270
30873999517,60cyclictest14557-21cut20:36:480
30873999516,57cyclictest8409-21df22:07:050
30873999516,57cyclictest30781-21df23:12:060
30873999514,61cyclictest2076-21memory23:22:460
30873999513,61cyclictest15658-21fw_conntrack20:42:010
30873999511,26cyclictest23999-21ntp_states21:17:520
30873999441,39cyclictest31438-21ntp_offset19:07:190
30873999432,45cyclictest0-21swapper19:17:060
30873999425,52cyclictest0-21swapper22:46:150
30873999412,30cyclictest16301-21ssh22:29:470
30873999315,57cyclictest1716-21users19:22:330
30873999312,28cyclictest27770-21ps23:03:000
30873999311,23cyclictest11732-21wc20:21:270
3087399929,23cyclictest3371-21sort19:32:260
30873999216,26cyclictest12657-21/usr/sbin/munin20:27:260
30873999115,55cyclictest13848-21fw_conntrack20:32:020
30873999114,57cyclictest7849-21grep19:57:240
30873999110,20cyclictest16611-21uname20:47:110
30873999017,23cyclictest9346-21fw_packets20:07:060
30873999011,26cyclictest6352-21/usr/sbin/munin19:52:210
3087399899,61cyclictest12188-21wc20:22:160
30873998916,23cyclictest18341-21df_inode20:57:000
3087399889,44cyclictest4465-21latency_hist19:41:240
30873998816,53cyclictest8939-21sshd20:03:020
30873998816,23cyclictest10292-21irqstats20:12:090
30873998815,24cyclictest28595-21snmpd21:03:420
30873998813,54cyclictest17956-21munin-run20:56:240
30873998616,28cyclictest2028-21/usr/sbin/munin19:26:500
30873998615,22cyclictest6213-21users19:47:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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