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2025-12-01 - 17:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 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 100 highest latencies:
System rackeslot8.osadl.org (updated Mon Dec 01, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
470982993228,1cyclictest0-21swapper/309:25:013
470982993228,1cyclictest0-21swapper/309:25:003
470982992825,1cyclictest0-21swapper/311:30:013
470982992724,1cyclictest0-21swapper/310:00:003
470982992421,1cyclictest0-21swapper/311:35:003
470982992421,1cyclictest0-21swapper/311:25:003
147598230,5rtkit-daemon214-21plymouthd09:08:421
9112322221,13sleep0912382-21/usr/sbin/munin12:05:200
470982992219,1cyclictest0-21swapper/311:47:133
470982992219,1cyclictest0-21swapper/310:20:173
470982992216,2cyclictest8720922sleep311:40:263
470982992119,1cyclictest0-21swapper/309:55:013
470982992118,1cyclictest0-21swapper/309:20:003
470982992118,1cyclictest0-21swapper/307:50:023
47098299202,13cyclictest939584-21chrt12:25:133
470982992017,1cyclictest0-21swapper/310:50:003
470982992016,1cyclictest0-21swapper/311:55:013
47098299193,13cyclictest491891-21turbostat07:25:013
470982991917,1cyclictest0-21swapper/310:35:013
470982991917,1cyclictest0-21swapper/309:45:003
470982991916,1cyclictest0-21swapper/312:25:003
470982991916,1cyclictest0-21swapper/312:05:013
470982991916,1cyclictest0-21swapper/310:55:153
470982991916,1cyclictest0-21swapper/308:45:003
470982991816,1cyclictest0-21swapper/310:40:343
470982991816,1cyclictest0-21swapper/307:55:203
470982991816,1cyclictest0-21swapper/307:50:003
470982991815,1cyclictest0-21swapper/312:35:183
470982991815,1cyclictest0-21swapper/312:15:173
470982991815,1cyclictest0-21swapper/312:10:003
470982991815,1cyclictest0-21swapper/311:55:213
470982991815,1cyclictest0-21swapper/311:40:003
470982991815,1cyclictest0-21swapper/311:10:183
470982991815,1cyclictest0-21swapper/311:05:183
470982991815,1cyclictest0-21swapper/310:30:003
470982991815,1cyclictest0-21swapper/309:30:383
47098299181,13cyclictest512040-21taskset07:40:163
47098299180,13cyclictest598999-21taskset08:50:003
470982991715,1cyclictest0-21swapper/308:50:013
470982991714,1cyclictest0-21swapper/310:14:233
470982991714,1cyclictest0-21swapper/307:35:013
47098299171,13cyclictest801753-21taskset11:00:003
7673042161,7sleep2767312-21ssh10:36:052
7507142161,12sleep1750927-21grep10:25:261
47098299167,7cyclictest575476-21chrt08:30:163
470982991614,1cyclictest0-21swapper/309:00:163
470982991613,1cyclictest0-21swapper/310:06:563
470982991613,1cyclictest0-21swapper/309:05:193
470982991613,1cyclictest0-21swapper/308:25:183
470982991613,1cyclictest0-21swapper/308:20:013
470982991613,1cyclictest0-21swapper/308:02:423
47098299161,12cyclictest955267-21taskset12:34:463
47098299161,12cyclictest832426-21taskset11:17:013
47098299161,12cyclictest664394-21taskset09:35:093
47098299161,12cyclictest479996-21taskset07:15:153
47098299161,11cyclictest680450-21chrt09:45:063
47098299161,11cyclictest471258-21chrt07:10:143
47098299160,12cyclictest580271-21chrt08:35:103
7831222151,11sleep10-21swapper/110:45:261
470982991513,1cyclictest0-21swapper/310:50:203
470982991513,1cyclictest0-21swapper/310:36:523
470982991513,1cyclictest0-21swapper/309:25:173
470982991513,1cyclictest0-21swapper/308:06:593
470982991512,1cyclictest0-21swapper/312:10:133
470982991512,1cyclictest0-21swapper/308:20:123
47098299151,12cyclictest510304-21chrt07:35:263
47098299151,12cyclictest492610-21taskset07:25:163
47098299151,11cyclictest729159-21taskset10:15:123
47098299151,11cyclictest626002-21taskset09:10:173
47098299151,11cyclictest611155-21taskset08:57:453
47098299151,11cyclictest554619-21taskset08:11:533
47098299150,12cyclictest704896-21taskset10:00:103
6876942141,9sleep0687702-21ssh09:48:530
6697842130,9sleep0669895-21/usr/sbin/munin09:35:220
8749302120,4sleep0875052-21ssh11:45:150
7665452120,5sleep00-21swapper/010:35:230
7526882120,9sleep0752696-21ssh10:29:220
7058872125,3sleep1706840-21cut10:00:171
6981962120,9sleep2699316-21cut09:55:162
5046792120,3sleep0504834-21diskstats07:35:130
470982991210,1cyclictest0-21swapper/307:10:013
470982991210,1cyclictest0-21swapper/307:10:003
147598120,7rtkit-daemon313-21systemd-udevd10:20:421
8891452110,8sleep0720-21snmpd11:51:440
8570172110,8sleep0857025-21ssh11:32:140
7022902112,4sleep1631905-21kworker/u16:4+events_power_efficient09:55:231
5225142111,7sleep1517328-21/usr/sbin/munin07:45:241
4715432110,3sleep1214-21plymouthd07:10:181
147598110,7rtkit-daemon872368-21ssh11:40:272
147598110,2rtkit-daemon214-21plymouthd10:47:510
9153442100,8sleep1915348-21ssh12:10:051
9006542101,6sleep2900686-21kthreadcore12:00:172
8887682100,1sleep2623843-21diskmemload11:50:552
8504252101,5sleep1850460-21apt-get11:30:141
8012992100,1sleep20-21swapper/210:59:372
7915052100,7sleep2791513-21ssh10:50:392
7122002100,7sleep2712207-21sh10:03:552
6245912100,3sleep1624686-21irqcore09:10:161
147598100,7rtkit-daemon1540-21sendmail-mta11:26:152
147598100,6rtkit-daemon456-21avahi-daemon11:15:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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