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2026-04-10 - 09:03
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Fri Apr 10, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1396224222211,159sleep00-21swapper19:05:370
16959910529,18cyclictest0-21swapper00:09:370
16959910233,21cyclictest25539-21/usr/sbin/munin22:49:020
16959910225,65cyclictest0-21swapper21:32:530
16959910214,51cyclictest23170-21ssh21:08:110
16959910213,27cyclictest9684-21apt-get22:03:150
16959910115,24cyclictest29269-21head21:24:430
16959910030,55cyclictest0-21swapper21:20:090
16959910014,24cyclictest28749-21/usr/sbin/munin00:33:240
16959910012,50cyclictest30635-21df_abs23:03:460
1695999924,58cyclictest0-21swapper00:16:320
1695999918,58cyclictest23987-21df_inode00:18:510
1695999917,62cyclictest3067-21df21:43:400
1695999916,35cyclictest13199-21munin-run23:48:000
1695999915,64cyclictest14853-21ssh22:18:100
1695999915,63cyclictest16595-21ssh23:57:500
1695999915,44cyclictest13645-21memory22:14:180
1695999915,24cyclictest20368-21fw_conntrack22:33:590
1695999912,48cyclictest8543-21missed_timers21:59:230
1695999911,25cyclictest19398-21ssh22:30:390
1695999818,20cyclictest27400-21df_inode00:28:530
1695999817,25cyclictest24548-21ssh22:45:350
1695999816,62cyclictest27389-21memory22:54:170
1695999816,22cyclictest17699-21users23:59:470
1695999815,43cyclictest23323-21ssh22:42:580
1695999814,47cyclictest5136-21ssh21:49:270
1695999814,47cyclictest18857-21ssh00:03:560
1695999813,47cyclictest4735-21/usr/sbin/munin23:24:280
1695999732,18cyclictest4216-21ssh23:20:590
1695999731,49cyclictest0-21swapper21:15:050
1695999716,23cyclictest10238-21df_inode23:38:490
1695999715,63cyclictest6240-21apt-get21:53:210
1695999714,63cyclictest12337-21users22:09:470
1695999714,21cyclictest1596-21memory21:39:150
1695999712,50cyclictest26730-21ssh00:26:590
1695999712,49cyclictest13343-21ssh23:48:190
1695999712,24cyclictest6771-21unixbench_singl19:34:020
1695999712,24cyclictest2413-21ssh23:15:370
1695999625,52cyclictest0-21swapper23:30:390
1695999617,62cyclictest0-21swapper23:35:090
1695999613,25cyclictest32232-21irqstats21:34:100
1695999529,50cyclictest0-21swapper22:59:580
1695999517,28cyclictest32691-21/usr/sbin/munin23:09:320
1695999514,22cyclictest13803-21zcat20:13:580
1695999510,26cyclictest2538-21grep19:09:030
1695999510,24cyclictest16346-21missed_timers20:28:490
1695999430,46cyclictest0-21swapper20:33:160
1695999411,64cyclictest10520-21wc19:58:020
1695999411,63cyclictest16564-21/usr/sbin/munin22:24:080
1695999312,62cyclictest20272-21head20:49:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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