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2025-12-23 - 01:10
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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 22, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34019692430,3sleep2421rcuc/208:30:182
3294203992825,1cyclictest0-21swapper/308:25:003
3294203992522,1cyclictest0-21swapper/309:00:013
3294203992118,1cyclictest0-21swapper/310:29:593
329420399211,17cyclictest3341440-21turbostat07:44:593
329420399201,14cyclictest3354546-21chrt07:55:003
3294203991917,1cyclictest0-21swapper/311:15:013
3294203991916,1cyclictest0-21swapper/310:15:003
3294203991916,1cyclictest0-21swapper/309:15:013
3294203991916,1cyclictest0-21swapper/308:55:013
3294203991916,1cyclictest0-21swapper/308:29:593
3294203991915,1cyclictest0-21swapper/310:00:003
329420399191,13cyclictest3412348-21chrt08:40:013
329420399191,13cyclictest3412348-21chrt08:40:013
329420399190,13cyclictest3522209-21taskset10:05:003
3294203991816,0cyclictest0-21swapper/311:00:153
3294203991815,1cyclictest0-21swapper/312:25:243
3294203991815,1cyclictest0-21swapper/310:35:003
3294203991815,1cyclictest0-21swapper/310:15:153
3294203991815,1cyclictest0-21swapper/308:35:013
3294203991815,1cyclictest0-21swapper/308:00:173
3294203991815,1cyclictest0-21swapper/307:25:243
329420399181,13cyclictest3485473-21taskset09:35:153
329420399181,13cyclictest3379328-21taskset08:10:233
3294203991715,1cyclictest0-21swapper/312:00:003
3294203991714,1cyclictest0-21swapper/312:39:593
3294203991714,1cyclictest0-21swapper/311:55:013
3294203991714,1cyclictest0-21swapper/311:00:013
3294203991714,1cyclictest0-21swapper/310:40:143
3294203991714,1cyclictest0-21swapper/309:45:013
3294203991714,1cyclictest0-21swapper/308:15:223
3294203991714,1cyclictest0-21swapper/307:20:013
329420399171,12cyclictest3463854-21taskset09:19:563
329420399171,12cyclictest3369694-21taskset08:05:183
329420399170,13cyclictest3644857-21taskset11:40:143
3294203991614,1cyclictest0-21swapper/310:35:173
3294203991613,1cyclictest0-21swapper/312:30:203
3294203991613,1cyclictest0-21swapper/312:15:243
3294203991613,1cyclictest0-21swapper/311:25:233
3294203991613,1cyclictest0-21swapper/311:20:123
3294203991613,1cyclictest0-21swapper/311:05:193
3294203991613,1cyclictest0-21swapper/309:20:183
3294203991612,1cyclictest0-21swapper/308:40:153
329420399161,12cyclictest3541582-21chrt10:20:153
329420399161,12cyclictest3502904-21taskset09:50:133
329420399161,12cyclictest3315512-21chrt07:23:553
329420399161,11cyclictest3470596-21taskset09:25:133
3294203991610,4cyclictest3418636-21turbostat08:49:553
329420399160,12cyclictest3678083-21taskset12:10:153
329420399160,12cyclictest3328401-21taskset07:34:573
3294203991513,1cyclictest0-21swapper/307:55:183
3294203991512,1cyclictest0-21swapper/307:45:243
329420399151,12cyclictest3528424-21taskset10:09:333
329420399151,11cyclictest3690709-21taskset12:20:053
329420399151,11cyclictest3677273-21chrt12:08:433
329420399151,11cyclictest3676663-21taskset12:04:023
329420399151,11cyclictest3618423-21taskset11:16:123
329420399151,11cyclictest3501608-21taskset09:45:213
329420399151,11cyclictest3334492-21taskset07:35:253
329420399150,12cyclictest3482789-21taskset09:30:263
329420399150,12cyclictest3300201-21taskset07:10:283
34051642141,10sleep03405381-21/usr/sbin/munin08:30:250
329420399141,11cyclictest3644119-21taskset11:36:293
329420399141,11cyclictest3637706-21chrt11:31:283
329420399141,11cyclictest3586305-21taskset10:51:573
329420399141,11cyclictest3586305-21taskset10:51:573
3294203991411,1cyclictest0-21swapper/310:45:193
329420399140,11cyclictest3651086-21taskset11:45:113
329420399140,11cyclictest3450653-21chrt09:05:283
329420399140,11cyclictest3444240-21taskset09:00:413
34281142130,3sleep03430207-21grep08:50:210
33104102130,6sleep23311290-21kthreadcore07:20:182
307598130,8rtkit-daemon3414389-21grep08:40:181
35149012120,8sleep03515107-21grep09:55:240
307598120,8rtkit-daemon714-21snmpd12:06:111
307598120,7rtkit-daemon3366063-21sort08:00:191
37104112110,7sleep03711164-21sed12:35:180
35923712111,7sleep23592638-21head10:55:252
34138892110,8sleep03415769-21cut08:40:190
32879442111,5sleep30-21swapper/307:05:113
307598110,6rtkit-daemon3256-21sendmail-mta11:23:151
307598110,6rtkit-daemon3256-21sendmail-mta11:00:191
36022572100,7sleep23604329-21cut11:05:182
34843662100,7sleep23485472-21cut09:35:152
34587622100,7sleep03459963-21grep09:15:170
34250702101,5sleep01-21systemd08:50:010
33752572100,7sleep13376382-21cut08:10:181
307598100,6rtkit-daemon3561572-21irqcore10:35:161
307598100,5rtkit-daemon3323662-21irqstats07:30:181
307598100,5rtkit-daemon217-21plymouthd10:52:551
307598100,5rtkit-daemon217-21plymouthd10:52:541
307598100,4rtkit-daemon3451299-21apt-get09:10:121
307598100,4rtkit-daemon217-21plymouthd11:30:581
307598100,3rtkit-daemon719-21lldpd09:53:031
307598100,3rtkit-daemon714-21snmpd07:36:141
307598100,3rtkit-daemon1-21systemd09:43:121
307598100,2rtkit-daemon217-21plymouthd10:42:341
307598100,1rtkit-daemon0-21swapper/109:18:301
3621809290,6sleep23623906-21kthreadcore11:20:182
3612577291,4sleep23612609-21apt-get11:15:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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