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2026-08-08 - 17:26
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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 Sat Aug 08, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25451224562215,90sleep00-21swapper07:01:190
255779916418,60cyclictest27809-21munin-run11:12:090
255779916412,65cyclictest27527-21/usr/sbin/munin09:37:410
255779916312,46cyclictest16296-21grep09:03:570
255779916117,23cyclictest14841-21df_inode12:08:050
255779915917,23cyclictest21268-21munin-run12:27:100
25577991589,63cyclictest18117-21cpu12:17:450
255779915821,42cyclictest9312-21fw_conntrack10:18:100
255779915813,59cyclictest31722-21sed11:22:590
255779915813,30cyclictest5649-21ssh11:41:450
255779915810,48cyclictest23539-21ssh09:25:150
255779915616,36cyclictest25536-21ssh09:31:350
255779915613,20cyclictest12957-21/usr/sbin/munin10:28:340
255779910417,67cyclictest19665-21fw_conntrack10:48:090
255779910316,47cyclictest22626-21munin-run10:57:110
255779910316,23cyclictest2785-21fw_conntrack11:33:070
255779910213,49cyclictest29252-21apt-get09:42:370
255779910036,50cyclictest0-21swapper09:11:300
255779910018,59cyclictest15721-21munin-run10:37:120
255779910013,66cyclictest1097-21irqstats11:28:190
25577999917,62cyclictest30049-21fw_conntrack11:18:100
25577999912,64cyclictest2011-21apt-get09:57:280
25577999912,25cyclictest8741-21ssh11:49:590
25577999816,44cyclictest17819-21df10:42:490
25577999816,22cyclictest20976-21fw_conntrack09:18:050
25577999811,65cyclictest25937-21ssh11:06:320
25577999810,24cyclictest26779-21ssh09:34:040
25577999736,45cyclictest0-21swapper12:31:300
25577999716,42cyclictest6235-21fw_conntrack11:43:090
25577999716,41cyclictest13296-21memory12:03:310
25577999716,22cyclictest23107-21df_inode10:58:060
25577999715,44cyclictest5816-21df_inode10:08:080
25577999715,22cyclictest1118-21/usr/sbin/munin09:53:500
25577999710,67cyclictest11028-21ssh10:23:080
25577999710,49cyclictest32473-21ssh09:51:390
25577999710,25cyclictest11371-21sed11:57:580
25577999633,49cyclictest0-21swapper12:15:110
25577999616,62cyclictest29157-21df_inode07:17:440
25577999616,43cyclictest614-21/usr/sbin/munin07:38:090
25577999612,46cyclictest20467-21cron09:17:080
25577999611,66cyclictest8071-21sort10:13:510
25577999530,19cyclictest16783-21users10:38:580
25577999516,64cyclictest27948-21apt-get11:12:260
25577999515,43cyclictest9593-21df11:52:550
25577999422,50cyclictest5841-21memory08:08:000
25577999415,60cyclictest30946-21df_inode07:27:440
25577999312,63cyclictest14402-21cat08:57:120
25577999311,61cyclictest15265-21ssh09:02:120
25577999214,60cyclictest27126-21cut07:07:520
25577999213,60cyclictest3935-21fw_conntrack07:57:460
25577999212,60cyclictest1510-21find07:43:080
25577999212,41cyclictest4018-21sh10:02:560
25577999211,62cyclictest2861-21/usr/sbin/munin07:52:330
25577999118,23cyclictest9044-21apt-get08:27:240
25577999014,27cyclictest11513-21timerandwakeup08:38:120
25577998916,25cyclictest10364-21memory08:32:580
25577998913,26cyclictest2302-21ntpq07:48:030
25577998911,59cyclictest12643-21/usr/sbin/munin08:47:560
25577998911,20cyclictest31645-21cut07:32:320
25577998823,47cyclictest0-21swapper07:22:290
25577998813,27cyclictest28193-21/usr/sbin/munin07:12:370
25577998812,52cyclictest5008-21ntpq08:03:040
25577998811,30cyclictest7013-21/usr/sbin/munin08:13:120
25577998718,22cyclictest26015-21irqstats07:02:530
25577998716,25cyclictest7839-21/usr/sbin/munin08:18:090
25577998712,26cyclictest11834-21basename08:42:320
25577998615,23cyclictest8434-21fw_conntrack08:22:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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