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2026-04-04 - 19:22
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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 Sat Apr 04, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32158223952205,138sleep00-21swapper07:05:120
325249910433,23cyclictest4411-21ssh09:52:560
325249910218,42cyclictest32335-21irqstats09:39:240
325249910117,63cyclictest6906-21fw_conntrack11:34:100
325249910115,64cyclictest1503-21df_inode09:44:060
325249910111,26cyclictest22032-21cut12:18:420
325249910015,23cyclictest22165-21fw_conntrack10:44:110
325249910013,24cyclictest14368-21ssh11:55:100
325249910012,26cyclictest25919-21grep09:19:590
325249910011,67cyclictest16841-21sshd12:03:240
325249910010,47cyclictest971-21ssh11:17:000
32524999918,61cyclictest14801-21munin-run10:23:150
32524999917,62cyclictest23144-21munin-run09:13:150
32524999917,43cyclictest24316-21ntp_states12:24:430
32524999916,62cyclictest29000-21df_inode11:04:050
32524999915,23cyclictest12944-21ssh10:17:390
32524999913,48cyclictest8543-21df11:39:000
32524999825,54cyclictest0-21swapper12:02:400
32524999818,59cyclictest21176-21users12:15:000
32524999818,41cyclictest30634-21df11:08:580
32524999816,21cyclictest16002-21munin-run08:38:170
32524999814,46cyclictest19941-21munin-run10:38:140
32524999813,65cyclictest8395-21df_inode10:04:050
3252499979,68cyclictest957-21munin-plugin-st07:13:130
32524999732,47cyclictest0-21swapper09:31:350
32524999717,41cyclictest1919-21memory11:19:340
32524999717,41cyclictest18789-21df12:08:560
32524999716,62cyclictest3489-21fw_conntrack11:24:160
32524999716,22cyclictest5195-21fw_conntrack11:29:140
32524999714,47cyclictest25653-21df12:28:550
32524999714,37cyclictest8911-21/usr/sbin/munin07:59:060
32524999714,21cyclictest6600-21df09:58:560
32524999713,26cyclictest25611-21/usr/sbin/munin10:54:180
32524999713,25cyclictest12943-21ssh11:51:360
32524999713,22cyclictest27483-21fw_conntrack12:34:100
32524999710,69cyclictest4975-21fw_conntrack09:54:120
32524999710,64cyclictest27150-21/usr/sbin/munin10:58:490
32524999633,50cyclictest0-21swapper10:43:020
32524999616,42cyclictest23942-21irqstats10:49:210
32524999613,24cyclictest11332-21ssh10:13:110
32524999612,48cyclictest17580-21ssh10:30:060
32524999610,26cyclictest16558-21latency_hist10:28:180
3252499959,65cyclictest10351-21ssh11:44:100
32524999533,20cyclictest26785-21basename09:23:440
32524999517,34cyclictest30537-21fw_conntrack09:34:160
32524999515,62cyclictest24657-21ssh09:17:140
32524999514,61cyclictest1591-21munin-run07:18:130
32524999431,20cyclictest21415-21ssh09:08:140
32524999415,41cyclictest19716-21apt-get08:58:310
32524999413,62cyclictest7099-21/usr/sbin/munin07:48:390
32524999314,23cyclictest14206-21/usr/sbin/munin08:28:150
32524999312,61cyclictest1706-21/usr/sbin/munin07:18:240
32524999311,22cyclictest12894-21sort08:19:000
32524999310,23cyclictest19247-21tr08:54:070
32524999220,23cyclictest8442-21/usr/sbin/munin07:54:050
32524999137,36cyclictest14714-21missed_timers08:29:030
32524999117,36cyclictest6620-21memory07:44:010
32524999027,46cyclictest0-21swapper08:51:110
32524998933,36cyclictest5543-21df_abs07:38:440
32524998918,23cyclictest10017-21df08:03:410
32524998916,22cyclictest10968-21df_inode08:08:480
32524998818,23cyclictest2955-21irqstats07:23:560
32524998817,27cyclictest4692-21fw_conntrack07:33:510
32524998811,27cyclictest16590-21ntpq08:39:080
32524998716,22cyclictest12404-21/usr/sbin/munin08:18:150
32524998712,28cyclictest17092-21basename08:43:350
32524998711,21cyclictest3503-21/usr/sbin/munin07:29:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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