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2026-06-11 - 04:17
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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 highest latencies:
System rack5slot7.osadl.org (updated Thu Jun 11, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15498224002164,183sleep00-21swapper19:04:510
155509910434,50cyclictest0-21swapper23:54:360
155509910420,64cyclictest11113-21users00:31:510
155509910218,45cyclictest4907-21munin-run00:15:030
155509910217,45cyclictest21704-21latency_hist21:55:060
155509910217,22cyclictest12635-21users23:01:470
155509910213,48cyclictest28595-21snmpd00:15:270
155509910210,70cyclictest19261-21grep21:46:450
155509910134,51cyclictest0-21swapper22:24:590
155509910133,50cyclictest0-21swapper22:39:290
155509910114,64cyclictest13256-21basename21:30:310
155509910112,26cyclictest22867-21ssh21:57:240
155509910034,49cyclictest0-21swapper22:33:040
155509910031,38cyclictest0-21swapper23:21:580
155509910029,61cyclictest0-21swapper00:02:590
155509910017,62cyclictest8990-21memory00:26:210
155509910017,43cyclictest10201-21irqstats21:21:080
155509910015,25cyclictest2521-21users00:06:470
155509910014,45cyclictest30648-21ssh23:55:250
155509910013,26cyclictest28595-21snmpd21:16:050
15550999917,45cyclictest7083-21memory22:46:210
15550999916,64cyclictest14933-21ssh21:35:160
15550999914,48cyclictest16430-21ssh23:13:310
15550999913,61cyclictest30677-21dpkg20:30:100
15550999911,48cyclictest26939-21ssh23:44:280
15550999911,25cyclictest13669-21df23:05:400
15550999910,26cyclictest23499-21grep19:50:220
15550999837,37cyclictest25544-21ssh22:05:490
15550999831,49cyclictest0-21swapper21:09:170
15550999816,23cyclictest12004-21memory21:26:220
15550999815,21cyclictest17273-21ntp_states21:41:320
15550999811,25cyclictest23058-21ssh23:32:220
15550999717,44cyclictest7801-21ssh00:22:200
15550999717,43cyclictest26950-21ssh22:10:110
15550999715,47cyclictest11276-21ssh22:58:310
15550999714,20cyclictest32559-21irqstats22:26:110
15550999713,45cyclictest5878-21ssh22:42:150
15550999614,23cyclictest23744-21apt-get23:35:240
15550999612,62cyclictest19252-21/usr/sbin/munin19:25:360
15550999612,46cyclictest30035-21ssh22:18:480
15550999612,23cyclictest27166-21/usr/sbin/munin23:46:120
15550999611,26cyclictest27521-21ntp_kernel_pll_20:10:540
15550999610,26cyclictest29664-21sshd20:22:360
15550999517,57cyclictest8526-21df22:50:430
15550999511,24cyclictest17558-21ps23:16:360
15550999510,23cyclictest18660-21/usr/sbin/munin19:21:000
15550999416,27cyclictest27989-21apt-get20:15:190
15550999415,21cyclictest21055-21df_inode19:35:370
15550999412,62cyclictest16119-21ntpq19:05:550
15550999412,44cyclictest20606-21sed19:31:050
15550999315,57cyclictest6570-21df21:10:460
15550999312,44cyclictest31637-21aten_r5power_en20:35:220
15550999310,45cyclictest24211-21ps22:01:350
15550999233,41cyclictest1917-21aten_r5power_po20:50:240
15550999216,56cyclictest25946-21sort20:01:030
15550999212,24cyclictest21684-21apt-get19:40:160
15550999128,48cyclictest0-21swapper23:28:420
15550999120,40cyclictest0-21swapper21:00:010
15550999118,25cyclictest16767-21missed_timers19:10:140
15550999115,18cyclictest3854-21df21:00:320
15550999112,28cyclictest17796-21grep19:16:060
15550999112,23cyclictest26226-21tr20:05:230
15550999111,42cyclictest1657-21sed20:46:060
15550999012,26cyclictest23329-21/usr/sbin/munin19:46:070
1555099889,23cyclictest24587-21df19:55:290
15550998731,40cyclictest29834-21cut20:25:210
15550998716,23cyclictest424-21memory20:40:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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