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2025-11-28 - 03:41
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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 Thu Nov 27, 2025 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
412413421400,1sleep10-21swapper/110:15:191
3865278992622,1cyclictest0-21swapper/309:25:023
3865278992421,1cyclictest0-21swapper/307:35:003
3865278992219,1cyclictest0-21swapper/311:05:223
3865278992118,1cyclictest0-21swapper/312:25:143
386527899201,13cyclictest3929652-21taskset08:00:003
386527899199,6cyclictest842562sleep311:52:443
386527899192,13cyclictest4064599-21turbostat09:40:003
3865278991917,1cyclictest0-21swapper/311:20:013
3865278991916,1cyclictest0-21swapper/310:55:353
3865278991916,1cyclictest0-21swapper/310:50:153
3865278991916,1cyclictest0-21swapper/308:50:143
3865278991915,1cyclictest0-21swapper/310:05:003
386527899190,14cyclictest3904885-21sleep07:40:003
40951222180,8sleep14095126-21ssh09:56:421
386527899181,8cyclictest4048709-21taskset09:30:013
3865278991815,1cyclictest0-21swapper/311:55:203
3865278991815,1cyclictest0-21swapper/309:55:123
386527899181,14cyclictest39223-21turbostat11:25:013
386527899181,13cyclictest4074122-21taskset09:45:153
386527899181,12cyclictest4152738-21taskset10:35:013
386527899181,12cyclictest3960837-21taskset08:25:023
386527899177,7cyclictest469312sleep311:29:203
3865278991715,1cyclictest0-21swapper/312:20:003
3865278991714,1cyclictest0-21swapper/311:45:003
3865278991713,1cyclictest0-21swapper/310:15:183
3865278991713,1cyclictest0-21swapper/307:50:003
386527899171,13cyclictest5561-21taskset11:01:383
386527899171,12cyclictest55574-21taskset11:35:123
386527899171,12cyclictest4171757-21taskset10:45:193
386527899171,12cyclictest4080819-21taskset09:50:003
386527899171,12cyclictest4064871-21taskset09:40:063
386527899171,12cyclictest116093-21taskset12:12:273
386527899169,5cyclictest3985403-21turbostat08:49:553
386527899166,7cyclictest217792sleep311:12:183
3865278991613,1cyclictest0-21swapper/312:30:223
3865278991613,1cyclictest0-21swapper/312:05:173
3865278991613,1cyclictest0-21swapper/310:30:173
3865278991613,1cyclictest0-21swapper/310:12:483
3865278991613,1cyclictest0-21swapper/309:35:003
386527899161,12cyclictest93514-21taskset12:00:013
386527899161,12cyclictest75495-21chrt11:45:263
386527899161,12cyclictest4168047-21chrt10:43:223
386527899161,12cyclictest4135870-21taskset10:23:353
386527899161,12cyclictest4110164-21chrt10:05:233
386527899161,12cyclictest4031048-21taskset09:17:183
386527899161,12cyclictest4023258-21taskset09:12:453
386527899161,12cyclictest4004364-21chrt09:00:113
386527899161,12cyclictest4003778-21taskset08:58:153
386527899161,12cyclictest3967032-21chrt08:30:093
386527899161,12cyclictest3947971-21taskset08:12:423
386527899161,12cyclictest3941878-21taskset08:08:343
386527899161,12cyclictest3935267-21chrt08:00:203
386527899161,12cyclictest3923363-21taskset07:54:083
386527899161,12cyclictest3874863-21taskset07:15:163
147598160,5rtkit-daemon720-21snmpd12:21:302
386527899156,6cyclictest40160022sleep309:06:053
3865278991513,1cyclictest0-21swapper/312:20:153
386527899151,11cyclictest53508-21taskset11:31:033
386527899151,11cyclictest4142972-21chrt10:26:283
386527899151,11cyclictest3985043-21taskset08:40:393
386527899151,11cyclictest3978801-21taskset08:35:313
386527899151,11cyclictest3910728-21taskset07:40:293
386527899151,11cyclictest3891945-21taskset07:25:303
386527899151,11cyclictest3885816-21taskset07:20:573
386527899151,11cyclictest3865454-21taskset07:10:033
386527899151,11cyclictest149494-21chrt12:35:073
386527899150,12cyclictest3960253-21chrt08:20:403
386527899150,12cyclictest3954218-21chrt08:18:073
41864512131,9sleep24188327-21cut10:55:172
41610642130,9sleep14161072-21ssh10:40:061
147598130,9rtkit-daemon4071873-21ssh09:43:280
41211292121,8sleep24121310-21sed10:15:172
39568012121,8sleep23958846-21tr08:20:162
39200802120,8sleep13922181-21kthreadcore07:50:211
147598120,8rtkit-daemon3948632-21fschecks_count08:15:140
147598120,8rtkit-daemon3871716-21munin-node09:50:130
147598120,5rtkit-daemon52794-21ssh11:30:210
1473332120,8sleep2147339-21ssh12:30:442
41587632111,7sleep24158769-21ssh10:35:572
38651552110,1sleep30-21swapper/307:10:013
38617542111,6sleep13863861-21kthreadcore07:05:211
229612112,5sleep2214-21plymouthd11:15:002
147598110,7rtkit-daemon474-21systemd-logind07:06:420
147598110,7rtkit-daemon4144467-21runrttasks10:29:550
147598110,7rtkit-daemon3871716-21munin-node12:16:360
147598110,6rtkit-daemon4193184-21apt-get11:00:132
147598110,4rtkit-daemon4126658-21ssh10:15:460
41775672100,3sleep24178501-21grep10:50:172
41741062100,7sleep14174218-21ntp_kernel_pll_10:45:221
41517652100,7sleep04151773-21ssh10:33:150
40546312100,1sleep10-21swapper/109:30:321
40042272101,7sleep20-21swapper/209:00:112
317962100,7sleep131948-21awk11:20:161
147598100,7rtkit-daemon1540-21sendmail-mta11:07:322
147598100,6rtkit-daemon720-21snmpd11:36:540
147598100,6rtkit-daemon313-21systemd-udevd09:19:421
147598100,5rtkit-daemon476-21wpa_supplicant10:39:250
147598100,5rtkit-daemon3885442-21python307:20:230
63587291,4sleep163621-21apt-get11:40:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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