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2026-03-26 - 16:32
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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 Thu Mar 26, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17745224122166,192sleep00-21swapper07:04:570
181869910919,68cyclictest4777-21apt-get10:33:560
181869910317,64cyclictest24111-21irqstats11:29:460
181869910217,25cyclictest26126-21users10:00:250
181869910117,22cyclictest13904-21memory10:59:560
181869910115,45cyclictest11307-21munin-run09:18:380
181869910111,68cyclictest27818-21cut07:58:580
181869910034,49cyclictest0-21swapper09:27:210
181869910029,53cyclictest29420-21sed10:10:180
181869910018,43cyclictest27257-21df_inode10:04:310
181869910017,24cyclictest32444-21fw_conntrack10:19:350
181869910017,22cyclictest30676-21df_inode10:14:280
181869910015,24cyclictest18952-21ntp_states09:40:130
181869910015,23cyclictest8895-21/usr/sbin/munin10:45:130
181869910014,48cyclictest23452-21/usr/sbin/munin09:55:060
18186999935,49cyclictest0-21swapper11:36:220
18186999912,50cyclictest8263-21ssh12:18:380
18186999911,26cyclictest9881-21ssh12:23:120
18186999832,52cyclictest0-21swapper12:35:130
18186999832,49cyclictest0-21swapper10:52:130
18186999819,59cyclictest3851-21ntp_states12:05:070
18186999817,43cyclictest15466-21fw_conntrack11:04:370
18186999816,44cyclictest18550-21df_inode07:09:100
18186999815,21cyclictest2455-21users12:00:280
18186999815,21cyclictest20071-21ssh09:44:060
18186999811,48cyclictest22104-21ssh09:49:350
1818699978,67cyclictest29965-21sort08:09:250
18186999717,44cyclictest9126-21ssh09:11:270
18186999716,22cyclictest6959-21irqstats10:39:500
18186999716,19cyclictest11800-21apt-get12:29:050
18186999715,60cyclictest4109-21ssh10:30:540
18186999714,22cyclictest16838-21df09:34:180
18186999712,68cyclictest17328-21ssh11:09:550
18186999712,45cyclictest20009-21ssh11:18:080
18186999710,50cyclictest2602-21ssh10:26:570
18186999617,61cyclictest10365-21df12:24:230
18186999617,59cyclictest22304-21df_inode11:24:280
18186999615,60cyclictest20623-21fw_conntrack11:19:350
18186999615,50cyclictest0-21swapper09:21:140
18186999613,63cyclictest5268-21aten_r5power_cu08:53:580
18186999613,62cyclictest15255-21fw_conntrack09:29:390
18186999610,25cyclictest28100-21ssh11:40:400
18186999524,46cyclictest0-21swapper11:52:450
18186999517,60cyclictest12018-21fw_conntrack10:54:350
18186999516,57cyclictest1360-21munin-run11:58:400
1818699949,48cyclictest21520-21aten_r5power_cu07:23:570
18186999417,36cyclictest5472-21memory12:10:000
18186999412,25cyclictest4920-21zcat08:49:400
18186999334,42cyclictest0-21swapper07:54:430
18186999317,55cyclictest29270-21irqstats11:44:480
18186999313,60cyclictest7322-21df_inode09:04:140
18186999312,58cyclictest827-21cut08:29:010
18186999311,63cyclictest25805-21head07:44:430
18186999237,39cyclictest20481-21sendmail07:18:370
18186999218,24cyclictest29447-21users08:04:450
18186999213,59cyclictest26183-21df07:49:080
18186999210,61cyclictest3917-21ntpq08:44:330
18186999210,45cyclictest23177-21modprobe07:33:380
18186999112,60cyclictest31715-21if_eth008:19:190
18186999111,22cyclictest2552-21/usr/sbin/munin08:39:400
18186999110,62cyclictest24605-21grep07:39:280
18186999110,60cyclictest6251-21basename08:59:000
18186999014,54cyclictest21347-21unixbench_singl07:19:420
18186999011,41cyclictest667-21sed08:28:410
18186998815,24cyclictest30809-21irqstats08:14:210
18186998814,39cyclictest23272-21/usr/sbin/munin07:34:020
18186998813,26cyclictest2376-21grep08:34:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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