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2026-04-20 - 00:37
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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 Sun Apr 19, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16356243810,21sleep016138-1kworker/u3:107:06:240
165089917010,69cyclictest1306-21wc10:29:060
165089910517,67cyclictest21268-21apt-get11:27:530
165089910316,47cyclictest22718-21/usr/sbin/munin09:58:360
165089910315,48cyclictest27916-21apt-get10:12:520
165089910217,44cyclictest1356-21memory12:03:470
165089910119,43cyclictest10980-21df09:23:120
165089910117,46cyclictest23432-21irqstats11:33:400
165089910117,23cyclictest12943-21ssh11:03:150
165089910112,26cyclictest8432-21ssh10:49:160
165089910110,23cyclictest20903-21ssh11:26:190
16508991009,27cyclictest21872-21grep09:54:130
165089910027,38cyclictest6742-21users10:44:190
165089910026,61cyclictest0-21swapper07:59:590
165089910017,24cyclictest25241-21memory11:38:550
165089910016,64cyclictest2554-21apt-get12:07:510
165089910016,24cyclictest9252-21ssh12:27:140
165089910015,46cyclictest31445-21munin-run11:57:310
165089910013,26cyclictest12455-21ssh11:02:030
165089910011,48cyclictest11194-21ssh12:33:000
16508999925,55cyclictest0-21swapper12:00:190
16508999917,62cyclictest9893-21irqstats12:28:450
16508999915,62cyclictest5867-21df_inode09:08:220
16508999913,24cyclictest32317-21sshd10:24:200
16508999912,68cyclictest3927-21ssh10:37:260
16508999911,25cyclictest12776-21ssh09:28:220
16508999910,27cyclictest25701-21ssh10:05:370
16508999817,44cyclictest26573-21fw_conntrack10:08:280
16508999816,46cyclictest26689-21df11:43:130
16508999816,42cyclictest18110-21df11:18:140
16508999815,65cyclictest9495-21df10:53:130
16508999815,44cyclictest7518-21df09:13:110
16508999815,21cyclictest28832-21munin-run08:17:310
16508999814,64cyclictest29356-21ssh11:50:430
16508999812,67cyclictest5697-21ssh10:42:320
16508999717,60cyclictest32429-21munin-run08:37:310
16508999715,63cyclictest14730-21df_inode11:08:230
16508999713,23cyclictest9940-21users09:19:180
16508999712,25cyclictest16717-21ntpq11:14:000
16508999615,61cyclictest19198-21munin-run09:47:320
16508999614,22cyclictest14600-21irqstats09:33:410
16508999612,61cyclictest16602-21/usr/sbin/munin07:08:230
16508999514,62cyclictest31135-21memory08:28:200
16508999514,23cyclictest4276-21/usr/sbin/munin12:14:050
16508999418,36cyclictest19702-21fw_conntrack09:48:320
16508999412,43cyclictest6786-21awk12:19:090
16508999410,65cyclictest21270-21sshd07:33:220
16508999316,57cyclictest18030-21munin-run07:17:320
16508999314,28cyclictest1888-21/usr/sbin/munin08:47:510
16508999310,64cyclictest29672-21ssh10:17:470
16508999310,62cyclictest30641-21wc08:27:320
16508999231,41cyclictest18902-21users07:18:390
16508999217,19cyclictest15882-21apt-get09:37:480
16508999214,59cyclictest3816-21cut08:57:540
16508999213,57cyclictest32542-21apt08:37:390
16508999211,22cyclictest1393-21avahi-daemon07:32:300
16508999019,26cyclictest29155-21df08:18:000
16508999018,22cyclictest25224-21munin-run07:57:320
16508999016,55cyclictest19446-21memory07:23:170
16508999013,61cyclictest0-21swapper07:50:330
16508999011,60cyclictest26652-21missed_timers08:03:230
16508998915,25cyclictest4906-21/usr/sbin/munin09:03:110
16508998828,41cyclictest0-21swapper08:08:340
16508998812,58cyclictest22638-21/usr/sbin/munin07:43:130
16508998811,28cyclictest22620-21latency_hist07:42:340
16508998716,23cyclictest3079-21fw_conntrack08:53:090
16508998617,21cyclictest1188-21df08:43:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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