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2026-06-10 - 07:58
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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 Jun 10, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31884226110,11sleep026994-1kworker/u3:019:01:190
323319910719,47cyclictest15292-21fw_conntrack23:56:050
323319910234,47cyclictest2725-21ssh21:45:300
323319910224,34cyclictest0-21swapper22:49:570
323319910219,42cyclictest31564-21munin-run21:35:050
323319910119,60cyclictest29190-21users21:26:540
323319910117,63cyclictest4411-21ssh21:50:160
323319910117,21cyclictest11659-21fw_conntrack22:11:070
323319910115,65cyclictest26988-21irqstats21:21:160
323319910115,46cyclictest16320-21munin-run22:25:040
323319910114,40cyclictest23189-21munin-run22:45:040
323319910037,22cyclictest30198-21ssh23:05:290
323319910025,57cyclictest0-21swapper23:22:220
323319910017,20cyclictest8495-21irqstats23:36:130
323319910016,44cyclictest19411-21munin-run20:55:040
323319910015,24cyclictest32151-21df23:10:480
323319910012,66cyclictest27551-21/usr/sbin/munin00:31:360
3233199999,51cyclictest28595-21snmpd22:38:300
32331999917,61cyclictest7854-21apt22:00:150
32331999915,24cyclictest5131-21memory23:26:220
32331999914,52cyclictest0-21swapper00:17:130
32331999914,38cyclictest4972-21users19:31:140
32331999913,26cyclictest13638-21ntp_states22:16:350
32331999817,23cyclictest11850-21fw_conntrack23:46:070
32331999816,62cyclictest6488-21df_inode21:55:590
32331999816,45cyclictest6696-21fw_conntrack23:31:010
32331999815,45cyclictest14553-21ssh23:54:000
32331999815,45cyclictest10822-21ssh22:08:270
32331999815,23cyclictest17268-21ntp_states00:01:390
32331999815,19cyclictest20989-21users00:11:560
32331999813,65cyclictest2781-21munin-run23:20:060
32331999813,65cyclictest23353-21ssh21:10:490
32331999716,62cyclictest10203-21irqstats23:41:140
32331999716,60cyclictest18604-21irqstats22:31:160
32331999715,60cyclictest32228-21memory21:36:220
32331999715,23cyclictest1426-21irqstats21:41:150
32331999713,68cyclictest2537-21cut19:20:260
32331999713,46cyclictest27380-21ntp_states22:56:360
32331999710,27cyclictest25441-21ssh21:16:330
32331999632,46cyclictest0-21swapper22:53:490
32331999614,38cyclictest26790-21munin-run00:30:080
3233199958,68cyclictest10202-21grep20:01:030
32331999528,49cyclictest0-21swapper22:25:140
32331999517,58cyclictest23842-21df_inode00:21:000
32331999514,23cyclictest28807-21df_inode23:00:550
32331999513,23cyclictest22296-21users21:06:560
32331999510,64cyclictest19552-21ssh00:08:150
32331999313,61cyclictest14115-21/usr/sbin/munin20:25:300
32331999310,43cyclictest3924-21grep19:26:070
32331999211,34cyclictest8086-21df_inode19:50:380
32331999114,39cyclictest365-21memory19:05:520
3233199909,45cyclictest12149-21grep20:11:070
32331999036,38cyclictest8757-21aten_r5power_cu19:55:240
32331999023,50cyclictest0-21swapper19:45:250
32331999019,29cyclictest951-21munin-node21:01:030
32331999017,24cyclictest19931-21memory20:55:550
32331999017,24cyclictest16218-21fw_conntrack20:35:420
32331999012,25cyclictest28595-21snmpd20:06:360
32331999011,59cyclictest12785-21grep20:15:570
32331999010,43cyclictest17213-21grep20:40:510
32331998933,39cyclictest5589-21grep19:35:580
32331998912,38cyclictest1390-21latency_hist19:15:030
3233199889,42cyclictest18246-21processes20:46:040
32331998816,23cyclictest13499-21df_inode20:20:370
32331998813,26cyclictest6664-21/usr/sbin/munin19:41:060
32331998617,49cyclictest15016-21apt-get20:30:200
32331998616,23cyclictest2285-21users19:16:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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