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2026-05-26 - 12:44
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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
Characteristics of the highest latencies:
System rack1slot3.osadl.org (updated Tue May 26, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
387962699140,12cyclictest0-21swapper/320:30:123
387962699140,12cyclictest0-21swapper/320:25:143
387962699130,11cyclictest0-21swapper/319:15:133
3879626991211,0cyclictest0-21swapper/319:20:113
387962699120,1cyclictest0-21swapper/323:30:123
387962699120,11cyclictest0-21swapper/323:20:013
387962699120,11cyclictest0-21swapper/320:45:183
387962699120,11cyclictest0-21swapper/319:35:173
387962699120,11cyclictest0-21swapper/300:25:213
387962699119,1cyclictest0-21swapper/322:05:123
387962699111,0cyclictest0-21swapper/322:45:013
3879626991110,0cyclictest0-21swapper/323:25:133
387962699110,8cyclictest0-21swapper/320:10:003
387962699110,10cyclictest0-21swapper/323:55:133
387962699110,10cyclictest0-21swapper/323:40:163
387962699110,10cyclictest0-21swapper/300:20:133
387962699110,0cyclictest0-21swapper/323:20:123
387962699110,0cyclictest0-21swapper/323:00:123
387962699110,0cyclictest0-21swapper/322:20:133
387962699110,0cyclictest0-21swapper/321:35:003
3879626991010,0cyclictest0-21swapper/322:40:013
3879626991010,0cyclictest0-21swapper/322:25:123
3879626991010,0cyclictest0-21swapper/321:35:183
3879626991010,0cyclictest0-21swapper/321:25:143
3879626991010,0cyclictest0-21swapper/320:00:163
3879626991010,0cyclictest0-21swapper/300:00:133
387962699100,9cyclictest0-21swapper/322:00:013
387962699100,9cyclictest0-21swapper/320:55:173
387962699100,9cyclictest0-21swapper/319:49:593
387962699100,8cyclictest0-21swapper/319:25:133
387962699100,0cyclictest0-21swapper/321:50:173
387962699100,0cyclictest0-21swapper/321:05:123
387962699100,0cyclictest0-21swapper/319:50:183
387962699100,0cyclictest0-21swapper/319:40:113
387962699100,0cyclictest0-21swapper/319:15:003
387962699100,0cyclictest0-21swapper/300:15:133
38796269999,0cyclictest0-21swapper/321:15:013
38796269998,0cyclictest0-21swapper/322:53:383
38796269998,0cyclictest0-21swapper/320:20:173
38796269992,6cyclictest0-21swapper/320:15:133
38796269990,0cyclictest0-21swapper/300:35:183
38796269988,0cyclictest0-21swapper/322:55:173
38796269988,0cyclictest0-21swapper/322:45:133
38796269988,0cyclictest0-21swapper/321:48:553
38796269988,0cyclictest0-21swapper/321:10:113
38796269980,0cyclictest0-21swapper/322:10:173
38796269980,0cyclictest0-21swapper/300:05:183
38796269976,1cyclictest0-21swapper/323:45:123
38796269976,0cyclictest0-21swapper/322:15:113
38796269970,6cyclictest0-21swapper/321:20:193
3877861271,4sleep30-21swapper/319:05:113
38796269966,0cyclictest0-21swapper/323:37:113
38796269966,0cyclictest0-21swapper/320:42:473
38796269966,0cyclictest0-21swapper/319:30:113
38796269965,0cyclictest0-21swapper/323:05:043
38796269965,0cyclictest0-21swapper/321:00:143
38796269965,0cyclictest0-21swapper/320:35:133
38796269965,0cyclictest0-21swapper/320:10:113
38796269960,6cyclictest0-21swapper/300:10:013
38796269960,5cyclictest0-21swapper/321:40:123
38796269955,0cyclictest0-21swapper/321:55:143
38796269954,0cyclictest0-21swapper/323:53:223
38796269951,2cyclictest0-21swapper/322:30:123
38796269950,3cyclictest0-21swapper/319:55:123
3890423240,3sleep03890577-21ntp_states19:35:140
38796269944,0cyclictest0-21swapper/320:50:493
38796269944,0cyclictest0-21swapper/300:30:063
38796269943,1cyclictest0-21swapper/323:10:113
3879272242,1sleep20-21swapper/219:07:302
3878766241,1sleep10-21swapper/119:05:181
3878057241,1sleep00-21swapper/019:05:130
4000005231,2sleep14000009-21ssh00:03:201
3963112230,2sleep13963304-21strings22:35:151
3949566230,1sleep13949579-21apt-get22:05:021
3913065230,2sleep23913136-21aten_r1power_en20:35:132
3907330230,1sleep23907356-21apt-get20:20:122
4013942220,1sleep00-21swapper/000:35:180
4011294220,1sleep04011570-21df_inode00:30:130
3998083220,1sleep13998309-21latency_hist00:00:011
3983226220,1sleep03983318-21latency_hist23:25:020
3968987220,1sleep23969283-21df22:50:132
3966972220,1sleep03967219-21diskstats22:45:150
3956971220,1sleep03957125-21ntp_states22:20:170
3954368220,1sleep03954663-21df22:15:130
3952585220,1sleep20-21swapper/222:10:152
3950112220,0sleep00-21swapper/022:05:130
3947828220,1sleep10-21swapper/122:00:121
3947199220,1sleep10-21swapper/122:00:011
3939126220,1sleep10-21swapper/121:40:121
3934305220,0sleep10-21swapper/121:27:031
3932282220,0sleep00-21swapper/021:22:090
3923953220,1sleep03924205-21sed21:00:200
3919451220,1sleep20-21swapper/220:50:182
3917018220,1sleep23917137-21head20:45:142
3913862220,1sleep03914034-21smartctl20:35:190
3897223220,1sleep00-21swapper/019:55:000
3892354220,1sleep03892503-21ntp_states19:40:160
3886886220,1sleep13887050-21sed19:25:201
3886464220,1sleep23886600-21memory19:25:172
3882935220,1sleep13883106-21python319:15:191
4014195210,0sleep20-21swapper/200:35:202
4013408210,0sleep10-21swapper/100:35:151
4012695210,0sleep20-21swapper/200:32:362
4012472210,0sleep10-21swapper/100:30:351
4010405210,0sleep00-21swapper/000:25:410
4009088210,0sleep10-21swapper/100:25:141
4008499210,0sleep10-21swapper/100:22:181
4006957210,0sleep20-21swapper/200:20:032
4006702210,0sleep00-21swapper/000:20:010
4006278210,1sleep00-21swapper/000:16:160
4004858210,0sleep10-21swapper/100:15:051
4004619210,0sleep00-21swapper/000:15:010
4003283210,0sleep20-21swapper/200:10:142
4002276210,0sleep10-21swapper/100:10:011
4001769210,0sleep20-21swapper/200:05:302
4000440210,0sleep00-21swapper/000:05:080
4000196210,0sleep10-21swapper/100:05:011
3999192210,0sleep00-21swapper/000:00:200
3997582210,0sleep00-21swapper/023:55:360
3996864210,0sleep20-21swapper/223:55:172
3995307210,0sleep10-21swapper/123:50:201
3995102210,0sleep00-21swapper/023:50:180
3993654210,0sleep20-21swapper/223:50:012
3993525210,1sleep20-21swapper/223:48:532
3993186210,0sleep10-21swapper/123:45:521
3992012210,0sleep00-21swapper/023:45:150
3991039210,0sleep20-21swapper/223:40:212
3990229210,0sleep10-21swapper/123:40:161
3990165210,0sleep00-21swapper/023:40:150
3988649210,0sleep10-21swapper/123:35:181
3988259210,0sleep20-21swapper/223:35:162
3987392210,0sleep00-21swapper/023:35:010
3985998210,0sleep10-21swapper/123:30:151
3985561210,0sleep23985647-21telnet23:30:122
3985310210,1sleep0328-21plymouthd23:30:020
3984799210,0sleep10-21swapper/123:25:311
3984191210,0sleep00-21swapper/023:25:180
3983475210,1sleep20-21swapper/223:25:122
3983056210,0sleep10-21swapper/123:23:291
3981832210,0sleep20-21swapper/223:20:142
3980584210,0sleep00-21swapper/023:15:210
3980039210,0sleep10-21swapper/123:15:181
3979526210,0sleep20-21swapper/223:15:152
3977630210,0sleep20-21swapper/223:10:152
3977238210,0sleep03977361-21aten2.4-expect23:10:130
3976955210,0sleep10-21swapper/123:10:021
3976887210,0sleep20-21swapper/223:09:262
3975221210,0sleep10-21swapper/123:05:131
3975113210,1sleep00-21swapper/023:05:040
3974433210,0sleep20-21swapper/223:01:062
3973670210,1sleep13973823-21ntpq23:00:171
3973048210,0sleep00-21swapper/023:00:120
3971676210,0sleep10-21swapper/122:55:171
3971466210,0sleep00-21swapper/022:55:150
3970395210,0sleep10-21swapper/122:52:251
3968861210,0sleep00-21swapper/022:50:110
3967755210,0sleep10-21swapper/122:45:201
3967302210,0sleep20-21swapper/222:45:172
3966444210,1sleep00-21swapper/022:44:150
3965639210,0sleep10-21swapper/122:40:191
3964702210,0sleep20-21swapper/222:40:122
3963309210,0sleep20-21swapper/222:35:162
3962003210,0sleep20-21swapper/222:32:002
3961912210,0sleep10-21swapper/122:31:111
3961294210,1sleep03961442-21grep22:30:180
3959404210,1sleep23959673-21grep22:25:192
3958613210,0sleep10-21swapper/122:25:151
3958182210,0sleep00-21swapper/022:25:020
3957271210,0sleep20-21swapper/222:20:192
3957126210,1sleep13957268-21mailstats22:20:181
3955352210,0sleep20-21swapper/222:15:192
3954664210,0sleep10-21swapper/122:15:141
3952173210,0sleep00-21swapper/022:10:130
3951913210,0sleep10-21swapper/122:10:021
3950510210,0sleep20-21swapper/222:05:152
3949554210,0sleep00-21swapper/022:04:560
3949261210,0sleep20-21swapper/222:02:182
3945904210,0sleep20-21swapper/221:55:182
3945632210,0sleep00-21swapper/021:55:160
3945042210,0sleep20-21swapper/221:54:222
3944624210,0sleep10-21swapper/121:50:371
3944301210,0sleep00-21swapper/021:50:200
3941211210,0sleep10-21swapper/121:45:111
3941208210,0sleep00-21swapper/021:45:110
3940958210,0sleep20-21swapper/221:45:002
3940063210,1sleep00-21swapper/021:40:190
3938648210,0sleep10-21swapper/121:38:041
3937948210,0sleep00-21swapper/021:35:190
3936474210,0sleep20-21swapper/221:31:082
3935543210,0sleep10-21swapper/121:30:151
3935084210,0sleep00-21swapper/021:30:020
3933625210,0sleep20-21swapper/221:25:202
3932775210,0sleep00-21swapper/021:25:020
3932362210,0sleep20-21swapper/221:23:002
3930187210,0sleep10-21swapper/121:16:261
3929074210,0sleep20-21swapper/221:15:152
3928790210,0sleep00-21swapper/021:15:130
3927712210,0sleep13927914-21timerwakeupswit21:10:181
3926798210,0sleep20-21swapper/221:10:112
3925703210,0sleep20-21swapper/221:05:182
3925405210,0sleep00-21swapper/021:05:170
3923655210,0sleep10-21swapper/121:00:171
3922437210,0sleep00-21swapper/020:59:560
3921559210,0sleep20-21swapper/220:55:182
3920535210,0sleep10-21swapper/120:55:011
3920527210,0sleep00-21swapper/020:54:560
3919317210,0sleep10-21swapper/120:50:171
3918318210,0sleep00-21swapper/020:46:080
3916959210,0sleep10-21swapper/120:45:131
3915005210,0sleep00-21swapper/020:40:100
3914728210,0sleep20-21swapper/220:40:012
3912751210,1sleep00-21swapper/020:34:110
3911152210,0sleep10-21swapper/120:30:121
3910903210,0sleep20-21swapper/220:30:002
3909243210,0sleep00-21swapper/020:25:140
3908804210,1sleep00-21swapper/020:22:340
3906783210,0sleep10-21swapper/120:16:311
3906007210,0sleep00-21swapper/020:15:170
3905762210,0sleep20-21swapper/220:15:162
3904872210,0sleep10-21swapper/120:11:301
3903263210,0sleep00-21swapper/020:10:010
3902464210,0sleep20-21swapper/220:05:192
3901576210,0sleep00-21swapper/020:05:130
3899665210,0sleep00-21swapper/020:00:130
3899042210,0sleep20-21swapper/219:55:312
3897760210,0sleep00-21swapper/019:55:130
3897543210,0sleep10-21swapper/119:55:011
3897083210,0sleep10-21swapper/119:53:131
3896947210,0sleep20-21swapper/219:51:302
3895035210,0sleep20-21swapper/219:46:292
3893648210,0sleep00-21swapper/019:45:120
3889560210,0sleep13889594-21unin-run19:35:001
3889194210,0sleep20-21swapper/219:30:212
3887894210,0sleep03887920-21apt-get19:30:110
3883804210,0sleep20-21swapper/219:19:592
3881051210,1sleep23879620-21cyclictest19:10:202
3879467210,0sleep00-21swapper/019:10:020
4009043200,0sleep20-21swapper/200:25:032
4004854200,0sleep20-21swapper/200:15:032
3998310200,0sleep20-21swapper/200:00:012
3970694200,0sleep20-21swapper/222:55:022
3962580200,0sleep00-21swapper/022:35:020
3939113200,0sleep20-21swapper/221:40:052
3937087200,0sleep20-21swapper/221:35:052
3930792200,0sleep10-21swapper/121:20:021
3926549200,0sleep00-21swapper/021:10:010
3924674200,0sleep10-21swapper/121:05:021
3922963200,0sleep20-21swapper/221:00:022
3914987200,0sleep10-21swapper/120:40:031
3913054200,0sleep10-21swapper/120:35:041
3911143200,0sleep20-21swapper/220:30:052
3909229200,0sleep10-21swapper/120:25:031
3907318200,0sleep10-21swapper/120:20:031
3903472200,0sleep20-21swapper/220:10:032
3901561200,0sleep10-21swapper/120:05:021
3899651200,0sleep20-21swapper/220:00:022
3899650200,0sleep10-21swapper/120:00:011
3893402200,0sleep10-21swapper/119:45:011
3891724200,0sleep20-21swapper/219:40:022
3891470200,0sleep10-21swapper/119:40:011
3889797200,0sleep10-21swapper/119:35:041
3889595200,0sleep20-21swapper/219:35:012
3885971200,0sleep00-21swapper/019:25:030
3884062200,0sleep10-21swapper/119:20:021
3884061200,0sleep00-21swapper/019:20:020
3882128200,0sleep20-21swapper/219:15:042
3881663200,0sleep00-21swapper/019:15:020
3879754200,0sleep10-21swapper/119:10:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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