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2026-06-29 - 21:16
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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 Mon Jun 29, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23859224130,12sleep021128-1kworker/u3:107:01:460
241509916815,62cyclictest15537-21ntp_states09:10:410
241509916215,59cyclictest15292-21munin-run12:19:090
241509916112,28cyclictest17786-21ssh12:25:420
24150991609,24cyclictest16306-21ssh10:46:500
241509916017,23cyclictest3587-21irqstats10:10:210
241509915918,39cyclictest13561-21munin-run12:14:070
241509915910,24cyclictest1269-21grep07:55:120
241509915812,22cyclictest18994-21fw_conntrack10:55:050
241509915810,21cyclictest19785-21users12:30:570
241509915410,57cyclictest12031-21ssh10:34:540
241509915310,25cyclictest13603-21ssh10:39:410
241509910416,46cyclictest32492-21df_inode10:00:040
241509910315,23cyclictest8179-21munin-run10:24:100
241509910214,66cyclictest31171-21/usr/sbin/munin07:44:460
241509910125,39cyclictest0-21swapper11:55:340
241509910117,62cyclictest21800-21apt-get09:29:240
241509910116,22cyclictest8535-21apt-get11:59:250
241509910018,60cyclictest25577-21ssh09:39:560
241509910016,21cyclictest17845-21users10:50:590
241509910014,47cyclictest31770-21ssh11:31:440
24150999918,59cyclictest17197-21memory09:15:340
24150999917,24cyclictest23524-21apt-get09:34:220
24150999916,63cyclictest27755-21memory11:20:220
24150999911,27cyclictest23225-21ssh11:07:020
2415099989,24cyclictest16454-21ssh12:21:230
24150999816,43cyclictest27915-21users09:45:550
24150999816,23cyclictest18708-21df_inode09:19:570
24150999816,22cyclictest20700-21df_inode11:00:020
24150999814,64cyclictest10431-21/usr/sbin/munin10:30:130
24150999724,55cyclictest0-21swapper09:04:160
24150999718,43cyclictest5320-21irqstats10:15:180
24150999716,44cyclictest3254-21munin-run11:44:070
24150999716,44cyclictest10617-21fw_conntrack12:05:040
24150999716,35cyclictest6232-21fw_conntrack08:24:470
24150999715,61cyclictest9900-21munin-run10:29:090
24150999712,59cyclictest29350-21grep07:34:110
24150999711,66cyclictest4238-21grep11:45:490
24150999614,21cyclictest29212-21df11:24:500
24150999612,62cyclictest25242-21ssh11:13:290
24150999512,63cyclictest1008-21ssh11:36:350
24150999511,64cyclictest2316-21grep10:05:520
24150999510,63cyclictest21644-21ssh09:29:000
24150999510,46cyclictest6096-21ssh11:51:130
24150999435,23cyclictest30816-21ssh09:55:120
24150999420,50cyclictest25140-21munin-node07:09:180
24150999419,24cyclictest25048-21munin-run07:09:080
24150999414,58cyclictest29230-21ssh09:50:270
24150999414,43cyclictest26682-21/usr/sbin/munin07:19:580
24150999413,23cyclictest9540-21/usr/sbin/munin08:44:150
24150999412,59cyclictest27177-21ssh11:19:140
24150999340,37cyclictest25865-21aten_r5power_po07:14:310
24150999318,57cyclictest7641-21munin-run08:34:080
24150999310,46cyclictest5634-21zcat08:20:070
2415099929,24cyclictest30139-21sed07:35:140
2415099929,23cyclictest28595-21snmpd08:40:100
24150999212,43cyclictest10697-21df_abs08:49:410
24150999211,62cyclictest11355-21/usr/sbin/munin08:54:470
24150999117,25cyclictest3438-21df08:09:340
24150999018,24cyclictest404-21munin-run07:54:080
24150999012,56cyclictest7769-21aten_r5power_cu08:34:250
24150998917,22cyclictest4562-21memory08:14:560
24150998913,59cyclictest1450-21basename07:59:270
2415099889,59cyclictest31038-21sed07:40:110
24150998817,24cyclictest2542-21df08:04:380
24150998817,22cyclictest12544-21fw_conntrack08:59:450
24150998715,23cyclictest28595-21snmpd07:28:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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