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2026-03-25 - 05:45
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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 Wed Mar 25, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30013442350,1sleep20-21swapper/221:06:142
2844433992421,1cyclictest0-21swapper/323:00:003
2844433992219,1cyclictest0-21swapper/321:35:023
2844433992219,1cyclictest0-21swapper/320:30:243
2844433992118,1cyclictest0-21swapper/323:45:253
2844433992118,1cyclictest0-21swapper/323:30:143
2844433992118,1cyclictest0-21swapper/322:35:193
2844433992118,1cyclictest0-21swapper/322:00:163
2844433992118,1cyclictest0-21swapper/321:20:173
284443399211,16cyclictest3078091-21taskset21:57:593
2844433992017,1cyclictest0-21swapper/322:45:123
284443399201,15cyclictest3001593-21taskset21:09:243
284443399201,15cyclictest2920751-21taskset20:05:173
284443399201,14cyclictest3187439-21chrt23:10:113
284443399201,14cyclictest3171931-21taskset23:00:013
284443399201,14cyclictest3163316-21taskset22:53:073
284443399201,13cyclictest3063630-21taskset21:50:013
284443399196,10cyclictest3125248-21turbostat22:30:013
2844433991917,1cyclictest0-21swapper/322:20:013
2844433991916,1cyclictest0-21swapper/323:55:013
2844433991916,1cyclictest0-21swapper/322:30:063
2844433991916,1cyclictest0-21swapper/322:25:003
2844433991916,1cyclictest0-21swapper/319:35:003
2844433991916,1cyclictest0-21swapper/300:35:263
2844433991915,1cyclictest0-21swapper/300:15:283
284443399191,14cyclictest3302361-21taskset00:23:493
284443399191,14cyclictest3264579-21chrt00:00:113
284443399191,14cyclictest2950094-21taskset20:25:543
284443399191,14cyclictest2906705-21taskset19:55:163
284443399191,13cyclictest3086793-21taskset22:05:003
32877122181,2sleep20-21swapper/200:15:142
29943522181,9sleep02994398-21ntpq21:00:250
284443399189,6cyclictest29571352sleep320:35:133
284443399188,7cyclictest29692892sleep320:40:353
284443399182,12cyclictest2885250-21taskset19:36:083
2844433991816,1cyclictest0-21swapper/322:40:123
2844433991815,1cyclictest0-21swapper/323:35:163
2844433991815,1cyclictest0-21swapper/321:50:223
284443399181,13cyclictest3310573-21turbostat00:30:003
284443399181,13cyclictest3205277-21taskset23:20:183
284443399181,13cyclictest3048319-21taskset21:40:083
284443399181,13cyclictest3031606-21taskset21:27:163
284443399181,13cyclictest2937309-21taskset20:17:283
284443399181,13cyclictest2904756-21taskset19:51:143
284443399181,13cyclictest2865982-21taskset19:24:123
284443399171,13cyclictest3317084-21taskset00:31:303
284443399171,13cyclictest3215835-21taskset23:25:223
284443399171,13cyclictest3185988-21taskset23:06:423
284443399171,13cyclictest3015886-21taskset21:16:253
284443399171,13cyclictest3008088-21taskset21:11:173
284443399171,13cyclictest2943944-21taskset20:24:233
284443399171,13cyclictest2930259-21taskset20:10:273
284443399171,12cyclictest3285326-21chrt00:10:253
284443399171,12cyclictest3285326-21chrt00:10:253
284443399171,12cyclictest3278130-21taskset00:05:273
284443399171,12cyclictest3094550-21taskset22:10:013
284443399171,12cyclictest3040512-21taskset21:35:053
284443399171,12cyclictest2994561-21taskset21:00:263
284443399171,12cyclictest2892017-21taskset19:44:293
284443399171,12cyclictest2872190-21taskset19:25:423
284443399171,12cyclictest2859205-21taskset19:15:423
284443399170,13cyclictest3262724-21taskset23:55:373
32610402160,5sleep13261043-21kthreadcore23:55:201
30714242162,4sleep03071457-21apt-get21:55:130
284443399161,12cyclictest3233706-21taskset23:40:033
284443399161,12cyclictest2988392-21taskset20:55:243
284443399161,12cyclictest2982182-21taskset20:52:173
284443399161,12cyclictest2982182-21taskset20:52:163
284443399161,12cyclictest2969893-21taskset20:45:023
284443399161,12cyclictest2850592-21taskset19:11:343
284443399161,11cyclictest3196742-21chrt23:15:163
284443399161,11cyclictest2917743-21taskset20:00:403
30690182151,4sleep03069058-21ntp_states21:50:230
284443399151,12cyclictest2898303-21taskset19:46:383
28440822150,2sleep30-21swapper/319:07:383
129998150,7rtkit-daemon3085812-21ssh22:02:480
129998140,10rtkit-daemon3178862-21ssh23:03:250
33238382130,2sleep2222-21plymouthd00:35:222
32005182131,9sleep13200562-21/usr/sbin/munin23:15:231
129998130,9rtkit-daemon3139167-21ssh22:35:330
32270522120,9sleep03228037-21grep23:35:190
32089462121,8sleep1222-21plymouthd23:21:011
32016392120,9sleep23201644-21sh23:17:172
31923332121,8sleep23192597-21needreboot23:10:202
30536302120,9sleep23053686-21ld21:40:242
29494742120,6sleep20-21swapper/220:25:222
28788112122,3sleep2222-21plymouthd19:32:262
28723972121,4sleep2222-21plymouthd19:28:222
28509322128,2sleep1222-21plymouthd19:15:021
28393272123,5sleep02840341-21grep19:05:190
129998120,8rtkit-daemon3255567-21ssh23:52:121
129998120,8rtkit-daemon3170244-21ssh22:55:470
129998120,8rtkit-daemon3065919-21cat21:50:172
129998120,8rtkit-daemon3031335-21ssh21:26:292
129998120,6rtkit-daemon739-21wpa_supplicant00:25:510
33183222110,4sleep13318260-40updatedb.plocat00:35:011
33101992110,8sleep13310204-21sh00:28:521
31561672111,6sleep03156358-21sed22:50:000
30548842111,7sleep13054888-21ssh21:42:301
30399942110,8sleep13039998-21ssh21:34:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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