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2026-05-01 - 05:04
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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 Fri May 01, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28523224312162,95sleep00-21swapper19:06:140
286379910920,46cyclictest13101-21df_inode22:27:530
286379910316,24cyclictest15020-21memory22:33:220
286379910215,44cyclictest920-21ssh23:27:180
286379910117,23cyclictest22891-21df00:32:410
286379910026,64cyclictest0-21swapper23:18:540
286379910014,65cyclictest27023-21memory23:08:160
286379910013,67cyclictest1690-21snmpd22:38:040
286379910011,26cyclictest23489-21ssh21:23:300
28637999916,44cyclictest5112-21users22:03:470
28637999915,23cyclictest2914-21df23:32:440
28637999914,45cyclictest21369-21irqstats00:28:130
28637999911,68cyclictest11844-21grep23:58:260
28637999911,66cyclictest25463-21grep21:28:430
28637999911,29cyclictest8352-21grep23:48:230
28637999835,32cyclictest0-21swapper23:44:230
28637999829,51cyclictest0-21swapper00:20:090
28637999816,46cyclictest17766-21/usr/sbin/munin21:07:300
28637999815,64cyclictest28879-21/usr/sbin/munin21:38:410
28637999814,62cyclictest21582-21irqstats21:18:060
28637999812,47cyclictest3193-21/usr/sbin/munin21:58:360
28637999728,52cyclictest20317-21ssh22:48:350
28637999724,58cyclictest0-21swapper23:38:490
28637999716,44cyclictest19759-21df_inode21:12:550
28637999715,63cyclictest30668-21users21:43:430
28637999715,61cyclictest14574-21memory00:08:200
28637999714,45cyclictest25154-21ssh23:02:570
28637999711,66cyclictest5893-21ssh22:07:150
28637999711,24cyclictest12339-21ssh22:25:310
2863799969,25cyclictest381-21ssh21:51:030
28637999633,45cyclictest9507-21/usr/sbin/munin23:52:080
28637999617,59cyclictest4530-21memory19:52:490
28637999614,24cyclictest18348-21ssh22:43:070
28637999613,48cyclictest29658-21ssh23:16:150
28637999613,22cyclictest15143-21df20:52:270
28637999612,63cyclictest27019-21ps21:33:340
28637999611,66cyclictest7592-21/usr/sbin/munin22:13:050
2863799959,69cyclictest1476-21grep21:53:420
28637999516,45cyclictest13525-21ssh00:05:000
28637999515,59cyclictest19843-21ntp_states00:23:310
28637999511,64cyclictest31933-21df23:22:440
28637999510,64cyclictest14748-21grep20:48:040
2863799949,64cyclictest13673-21wc20:42:560
2863799949,24cyclictest3574-21sshd19:47:440
28637999431,42cyclictest5511-21grep19:57:540
28637999415,21cyclictest21870-21memory22:53:160
28637999334,37cyclictest9960-21grep20:22:480
28637999319,24cyclictest31652-21ntp_states19:22:570
28637999317,36cyclictest29628-21munin-node19:12:030
28637999316,55cyclictest9715-21fw_conntrack22:17:580
28637999312,59cyclictest23328-21df22:57:400
28637999312,26cyclictest11206-21vmstat20:28:090
28637999310,62cyclictest32267-21df19:27:270
28637999217,25cyclictest7584-21users20:08:080
28637999214,22cyclictest30609-21irqstats19:17:430
2863799919,65cyclictest13057-21wc20:42:000
28637999115,57cyclictest16294-21memory00:13:200
28637999015,59cyclictest11335-21apt-get20:32:130
28637999015,22cyclictest16052-21df20:57:260
28637998913,42cyclictest7723-21/usr/sbin/munin20:12:410
2863799887,24cyclictest6513-21rt-features20:02:590
28637998813,37cyclictest9496-21sort20:22:010
28637998810,58cyclictest2685-21uname19:42:470
28637998715,25cyclictest1695-21df_inode19:37:340
28637998714,25cyclictest16954-21df21:02:290
28637998614,23cyclictest699-21df19:32:240
28637998610,26cyclictest1690-21snmpd19:12:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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