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2026-04-17 - 16:58
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Apr 17, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14279224052156,58sleep00-21swapper07:07:020
143749910627,70cyclictest0-21swapper09:35:380
143749910314,67cyclictest6133-21ntp_states12:24:070
143749910233,51cyclictest0-21swapper09:13:500
143749910218,42cyclictest6268-21users10:49:260
143749910213,65cyclictest9497-21ps10:59:120
143749910210,28cyclictest29567-21ssh10:23:340
143749910118,23cyclictest16025-21fw_conntrack11:18:380
143749910115,47cyclictest11429-21ssh11:04:290
143749910114,65cyclictest31234-21df_inode10:28:260
143749910017,64cyclictest27971-21df_inode11:53:280
143749910016,63cyclictest21542-21users09:59:210
143749910015,64cyclictest17694-21memory09:48:560
143749910014,66cyclictest513-21fw_conntrack10:33:320
14374999930,51cyclictest0-21swapper10:10:220
14374999915,22cyclictest2346-21irqstats10:38:450
14374999912,50cyclictest12407-21ssh11:08:140
14374999911,65cyclictest22139-21unixbench_singl07:48:420
14374999815,63cyclictest29898-21ssh11:58:570
14374999815,47cyclictest9039-21/usr/sbin/munin12:33:090
14374999815,36cyclictest26869-21users11:49:300
14374999813,27cyclictest14852-21ssh11:14:280
14374999812,25cyclictest22492-21/usr/sbin/munin11:38:530
14374999811,22cyclictest7391-21ssh09:18:530
14374999720,59cyclictest0-21swapper11:46:500
14374999719,40cyclictest19407-21df_inode11:28:310
14374999717,56cyclictest22366-21munin-run11:37:400
14374999717,42cyclictest27344-21munin-run10:17:380
14374999716,22cyclictest19456-21ssh09:54:040
14374999715,62cyclictest4156-21memory10:43:590
14374999714,23cyclictest14260-21memory09:38:550
1437499969,24cyclictest7678-21ntp_states10:54:110
14374999630,19cyclictest30839-21ls08:38:270
14374999616,19cyclictest17354-21apt-get11:23:030
14374999615,24cyclictest32259-21ssh12:05:360
14374999614,61cyclictest5396-21ssh12:22:380
14374999614,42cyclictest22674-21df_inode10:03:300
14374999613,63cyclictest2991-21users12:14:240
14374999531,49cyclictest30226-21grep08:33:420
14374999516,41cyclictest15725-21df09:43:200
14374999515,23cyclictest7482-21df12:28:210
14374999433,38cyclictest11507-21ssh09:30:470
14374999416,40cyclictest4998-21munin-run09:12:380
14374999415,60cyclictest651-21df_inode12:08:260
14374999414,22cyclictest8847-21df09:23:220
14374999412,22cyclictest27851-21fw_conntrack10:18:340
1437499939,63cyclictest24532-21grep08:03:270
14374999315,40cyclictest1552-21/usr/sbin/munin08:58:380
14374999315,18cyclictest26697-21munin-run08:17:370
14374999218,51cyclictest23091-21munin-run07:57:370
14374999218,24cyclictest20409-21munin-run07:42:370
14374999213,31cyclictest15990-21grep07:17:400
14374999211,42cyclictest15205-21grep07:08:410
1437499919,60cyclictest27811-21basename08:23:000
1437499908,62cyclictest23317-21grep07:58:000
14374999011,63cyclictest18691-21/usr/sbin/munin07:33:290
14374998913,58cyclictest26808-21/usr/sbin/munin08:18:180
14374998913,24cyclictest1393-21avahi-daemon07:32:360
14374998911,21cyclictest32179-21sort08:47:400
14374998910,23cyclictest20689-21cstates07:43:000
14374998831,36cyclictest17415-21pluginstate07:23:350
14374998817,24cyclictest25328-21irqstats08:08:190
14374998813,26cyclictest2463-21/usr/sbin/munin09:03:400
14374998718,26cyclictest301-21/usr/sbin/munin08:48:330
14374998712,26cyclictest28603-21sshd08:27:560
14374998644,24cyclictest863-21df_abs08:53:090
14374998611,27cyclictest16191-21/usr/sbin/munin07:18:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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