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2026-04-04 - 12:38
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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 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22324224152164,59sleep00-21swapper19:07:250
224469910929,65cyclictest0-21swapper21:23:000
224469910913,45cyclictest27456-21ssh23:29:010
224469910516,68cyclictest11980-21df22:43:590
224469910317,64cyclictest28440-21ssh21:57:470
224469910127,57cyclictest0-21swapper22:21:220
224469910118,47cyclictest17401-21memory22:59:350
224469910114,66cyclictest5775-21wc20:34:170
224469910113,35cyclictest2354-21ssh22:15:100
224469910112,68cyclictest10042-21ssh00:13:140
224469910033,50cyclictest0-21swapper22:01:090
224469910018,44cyclictest3844-21memory23:54:330
224469910015,65cyclictest20287-21apt-get23:08:410
224469910012,28cyclictest26740-21ssh21:52:510
22446999920,29cyclictest16647-21apt-get21:23:370
22446999917,45cyclictest18625-21df21:28:590
22446999916,62cyclictest15522-21fw_conntrack22:54:160
22446999916,44cyclictest23436-21munin-node19:13:220
22446999915,23cyclictest30784-21ssh22:04:160
22446999913,26cyclictest23990-21uname21:44:280
22446999910,50cyclictest20285-21ssh21:33:510
22446999910,27cyclictest14924-21ssh00:26:480
22446999832,50cyclictest0-21swapper22:26:480
22446999816,45cyclictest10436-21df00:13:560
22446999816,44cyclictest18845-21cstates23:03:560
22446999811,65cyclictest14031-21ssh22:49:430
22446999716,60cyclictest6898-21df_inode22:29:080
22446999716,22cyclictest22330-21memory21:39:340
22446999715,62cyclictest10528-21memory22:39:370
22446999712,62cyclictest892-21ssh22:11:340
22446999710,48cyclictest30746-21wget23:38:460
22446999631,50cyclictest0-21swapper23:50:160
22446999620,25cyclictest23436-21munin-node19:13:240
22446999618,44cyclictest0-21swapper00:07:410
22446999617,41cyclictest25819-21df_inode23:24:060
22446999616,41cyclictest12272-21df_inode00:19:100
22446999616,38cyclictest18644-21munin-run00:38:160
22446999615,62cyclictest32611-21df23:43:570
22446999612,63cyclictest13575-21ssh21:14:160
22446999530,43cyclictest8369-21kworker/u2:000:33:090
22446999515,41cyclictest9523-21munin-run20:58:140
22446999515,19cyclictest8793-21memory22:34:340
22446999514,32cyclictest6427-21ssh00:02:140
22446999514,21cyclictest2329-21munin-run20:18:150
2244699949,23cyclictest23606-21ssh23:18:150
22446999410,63cyclictest32619-21tr20:04:080
22446999410,63cyclictest12049-21ssh21:09:430
22446999333,45cyclictest0-21swapper23:22:580
22446999333,44cyclictest0-21swapper20:13:140
22446999311,62cyclictest28793-21sed19:43:450
22446999311,45cyclictest4021-21grep20:24:180
22446999311,21cyclictest28890-21/usr/sbin/munin23:33:490
22446999215,60cyclictest0-21swapper20:18:440
22446999211,31cyclictest28373-21timerwakeupswit19:39:180
22446999116,26cyclictest11411-21sort21:08:210
2244699909,60cyclictest25626-21grep19:24:150
22446999028,45cyclictest31156-21sendmail19:58:140
22446998916,23cyclictest29669-21df19:48:430
22446998912,24cyclictest31331-21wget19:58:350
22446998820,22cyclictest24291-21df19:18:450
22446998817,24cyclictest4437-21df20:28:420
22446998810,27cyclictest7912-21cut20:48:370
22446998733,37cyclictest0-21swapper20:58:380
22446998717,22cyclictest27054-21fw_conntrack19:33:520
22446998715,24cyclictest6377-21irqstats20:38:560
22446998712,26cyclictest26085-21df_abs19:28:440
22446998617,21cyclictest7145-21df20:43:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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