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2026-06-19 - 07:47
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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 Fri Jun 19, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19207224710,13sleep018127-1kworker/u3:019:00:260
200199910518,65cyclictest12613-21munin-run22:49:420
200199910518,24cyclictest13177-21irqstats22:50:470
200199910424,39cyclictest29159-21ssh23:36:270
200199910315,67cyclictest4797-21irqstats00:00:480
200199910233,53cyclictest16805-21grep23:01:090
200199910217,64cyclictest26746-21df23:30:190
200199910119,44cyclictest30806-21ssh22:07:170
200199910112,25cyclictest21115-21ssh23:14:140
200199910019,59cyclictest24923-21fw_conntrack21:50:410
200199910018,62cyclictest14987-21memory22:55:570
200199910018,59cyclictest18329-21irqstats23:05:470
200199910017,63cyclictest30506-21users20:00:480
200199910017,24cyclictest11120-21munin-run00:19:400
200199910016,61cyclictest6394-21df_inode00:05:300
200199910013,67cyclictest14223-21/usr/sbin/munin21:20:360
20019999919,59cyclictest2908-21df23:55:200
20019999915,23cyclictest14665-21apt-get00:29:550
20019999914,39cyclictest26536-21df21:55:230
20019999913,45cyclictest333-21ssh23:47:320
20019999913,24cyclictest11492-21ssh21:11:140
20019999911,24cyclictest21630-21grep23:15:260
20019999816,62cyclictest21381-21df21:40:220
20019999816,44cyclictest28365-21fw_conntrack22:00:400
20019999812,49cyclictest14445-21ssh00:29:150
20019999811,66cyclictest6243-21latency_hist20:49:420
20019999810,67cyclictest4458-21ssh22:25:270
20019999716,60cyclictest2955-21memory22:20:550
20019999716,21cyclictest887-21apt-get23:50:040
20019999715,46cyclictest9367-21ssh00:14:370
20019999715,22cyclictest9482-21irqstats21:05:500
20019999715,22cyclictest17991-21df_inode21:30:280
20019999715,19cyclictest23406-21df_inode23:20:330
20019999713,64cyclictest2249-21/usr/sbin/munin20:25:300
20019999713,63cyclictest6126-21df22:30:250
20019999711,49cyclictest30614-21/usr/sbin/munin23:41:140
2001999969,65cyclictest12236-21ssh00:21:440
2001999969,24cyclictest2246-21ssh22:19:230
20019999621,24cyclictest23204-21fw_conntrack21:45:370
20019999616,60cyclictest25143-21fw_conntrack23:25:380
20019999616,60cyclictest12855-21df_inode21:15:340
20019999615,22cyclictest17531-21munin-run21:29:400
20019999613,63cyclictest10281-21users22:41:410
20019999610,47cyclictest32097-21ssh22:11:420
20019999411,26cyclictest20614-21ssh21:37:500
2001999938,64cyclictest5364-21sort20:44:420
20019999330,42cyclictest8255-21/usr/sbin/munin22:36:150
20019999213,43cyclictest8120-21aten_r5power_cu20:59:580
20019999212,61cyclictest7094-21munin-run20:54:380
20019999210,66cyclictest2786-21tr20:30:010
20019999210,61cyclictest25121-21cron19:34:370
20019999210,59cyclictest31385-21sed20:05:420
20019999210,59cyclictest22426-21awk19:15:470
20019999210,24cyclictest29427-21zcat19:55:370
2001999918,25cyclictest1616-21head20:20:430
20019999133,17cyclictest21035-21munin-node19:09:430
2001999909,23cyclictest26147-21/usr/sbin/munin19:39:590
20019999013,35cyclictest0-21swapper20:35:360
20019999011,59cyclictest28595-21snmpd20:10:400
20019999010,60cyclictest27622-21fgrep19:45:370
20019998916,25cyclictest32725-21df_inode20:15:110
20019998916,25cyclictest23438-21/usr/sbin/munin19:25:320
20019998913,18cyclictest25627-21sort19:35:240
20019998911,28cyclictest28595-21snmpd20:57:060
20019998818,23cyclictest28340-21memory19:50:280
20019998812,23cyclictest23331-21sshd19:23:110
2001999879,22cyclictest21535-21sendmail19:14:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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