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2025-07-03 - 06:10
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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 Jul 03, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31224224260,15sleep029568-1kworker/u3:117:43:210
323269910414,26cyclictest22272-21snmpd19:54:310
323269910318,65cyclictest2041-21memory20:29:160
323269910212,28cyclictest10237-21ssh20:53:490
323269910115,45cyclictest27266-21apt-get20:08:240
323269910017,21cyclictest6822-21df20:43:400
323269910010,67cyclictest23098-21ssh23:09:370
32326999916,22cyclictest3641-21irqstats18:08:410
32326999915,68cyclictest0-21swapper21:04:190
32326999915,64cyclictest25934-21df_inode20:03:480
32326999913,48cyclictest6258-21/usr/sbin/munin22:19:020
32326999912,68cyclictest19986-21cut21:23:270
32326999912,67cyclictest18662-21ssh21:19:030
32326999824,35cyclictest16651-21switchtime19:23:590
32326999816,63cyclictest4890-21apt-get20:38:160
32326999816,44cyclictest16947-21df_inode21:13:550
32326999816,24cyclictest14473-21df_inode22:43:460
32326999815,62cyclictest28142-21latency_hist21:47:580
32326999815,45cyclictest28791-21ssh21:49:170
32326999812,65cyclictest29559-21ssh20:14:250
32326999812,49cyclictest11780-21ssh22:34:440
32326999721,55cyclictest3198-21apt-get20:33:200
32326999719,58cyclictest19434-21irqstats22:59:040
32326999718,59cyclictest24188-21df19:58:390
32326999717,60cyclictest2841-21df_inode22:08:460
32326999717,59cyclictest31139-21memory20:19:120
32326999717,44cyclictest23527-21df21:33:430
32326999717,43cyclictest7982-21irqstats22:24:090
32326999717,43cyclictest12110-21memory20:59:180
32326999716,62cyclictest17369-21apt-get22:53:130
32326999715,45cyclictest12628-21ssh22:38:290
32326999713,25cyclictest8488-21df20:48:380
32326999713,23cyclictest32555-21ssh20:23:370
32326999711,47cyclictest13194-21grep19:04:010
3232699969,68cyclictest21575-21ssh21:28:040
32326999631,49cyclictest0-21swapper22:00:220
32326999618,23cyclictest25214-21df21:38:400
32326999617,58cyclictest20848-21df19:48:450
32326999615,46cyclictest25018-21ssh23:17:320
32326999615,44cyclictest2100-21ssh22:06:260
32326999615,43cyclictest20883-21df23:03:350
32326999614,52cyclictest0-21swapper22:49:510
32326999514,21cyclictest30186-21df21:53:380
32326999416,40cyclictest4608-21memory18:13:450
32326999333,45cyclictest0-21swapper19:08:360
32326999332,44cyclictest4174-21/usr/sbin/munin22:14:020
32326999315,61cyclictest15830-21users21:09:410
32326999315,57cyclictest9730-21apt-get18:48:130
32326999314,61cyclictest5593-21ntp_states18:18:530
32326999313,22cyclictest11997-21ntp_kernel_err18:58:480
32326999312,22cyclictest17728-21latency_hist19:32:550
32326999216,55cyclictest850-21munin-node17:53:040
32326999213,24cyclictest9729-21memory22:29:180
32326999210,60cyclictest10812-21wc18:53:220
32326999116,25cyclictest6014-21/usr/sbin/munin18:23:190
32326999113,56cyclictest1266-21basename17:53:240
32326999111,30cyclictest2861-21ntpq18:03:510
3232699909,59cyclictest22272-21snmpd18:42:310
32326999023,48cyclictest0-21swapper18:33:020
32326999013,62cyclictest0-21swapper19:13:330
3232699899,63cyclictest18577-21grep19:34:030
32326998918,23cyclictest1777-21df_inode17:58:310
32326998817,24cyclictest19149-21memory19:38:460
32326998811,42cyclictest15994-21sort19:22:580
32326998711,20cyclictest19817-21wc19:43:240
32326998519,21cyclictest6934-21munin-run18:32:570
32326998416,22cyclictest9130-21fw_conntrack18:43:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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