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2026-05-09 - 08:57
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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 rackeslot2.osadl.org (updated Sat May 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3085862992616,6cyclictest3378342-21kthreadcore22:40:210
308586399240,9cyclictest3361122-21munin-run22:30:011
3085863992320,2cyclictest1290-21dbus-daemon22:25:001
3085863992316,2cyclictest36-21ksoftirqd/100:00:001
3085863992315,3cyclictest36-21ksoftirqd/122:00:011
3085862992320,2cyclictest3952751-21ntpd21:35:150
3085862992320,2cyclictest1296-21polkitd20:45:010
3085862992314,5cyclictest3478371-21kthreadcore23:45:240
3085863992219,2cyclictest3163610-21grep20:10:011
3085863992212,5cyclictest3122565-21tr19:35:221
308586399220,9cyclictest3543869-21munin-run00:30:001
308586399220,15cyclictest0-21swapper/122:00:161
3085862992217,2cyclictest0-21swapper/021:20:010
383433398210,4rtkit-daemon3851705-21mta-sts-daemon19:40:070
35176422210,1sleep20-21swapper/200:10:232
33145192210,1sleep00-21swapper/021:58:460
3085864992119,1cyclictest0-21swapper/223:50:012
308586399215,10cyclictest3212407-21tr20:45:231
308586399213,12cyclictest1-21systemd21:35:021
3085863992118,2cyclictest3505670-21latency_hist00:05:011
3085863992117,3cyclictest36-21ksoftirqd/121:45:281
3085863992111,4cyclictest3138851-21cut19:50:171
3085863992111,4cyclictest3108716-21cut19:25:221
3085863992110,6cyclictest36-21ksoftirqd/121:05:191
3085862992118,2cyclictest3505912-21/usr/sbin/munin00:05:010
3085864992017,1cyclictest0-21swapper/220:40:012
3085864992017,1cyclictest0-21swapper/200:20:002
308586399209,6cyclictest0-21swapper/121:00:231
308586399209,6cyclictest0-21swapper/121:00:231
308586399205,9cyclictest3328228-21sendmail_mailst22:05:281
308586399204,11cyclictest3461270-21cut23:35:201
308586399201,8cyclictest0-21swapper/120:00:171
3085863992017,2cyclictest1290-21dbus-daemon22:35:011
3085863992016,3cyclictest3468544-21gltestperf23:40:191
3085863992016,3cyclictest3468544-21gltestperf23:40:191
3085863992015,1cyclictest191rcu_preempt19:15:201
3085863992014,2cyclictest191rcu_preempt21:10:211
3085863992012,3cyclictest3149943-21phc2sys19:55:261
3085863992012,1cyclictest191rcu_preempt20:30:201
3085863992012,1cyclictest191rcu_preempt00:10:281
3085863992011,4cyclictest3335349-21cut22:10:241
3085863992011,4cyclictest3204400-21tr20:40:221
3085863992010,4cyclictest3556911-21tr00:35:251
3085863992010,4cyclictest3341431-21cut22:15:231
3085863992010,4cyclictest3341431-21cut22:15:231
308586399200,7cyclictest0-21swapper/123:20:151
308586399200,7cyclictest0-21swapper/120:55:161
3085862992017,2cyclictest3085856-21cyclictest20:05:010
3085862992012,4cyclictest3271328-21kthreadcore21:30:220
3085862992010,5cyclictest1296-21polkitd22:05:020
3085862992010,5cyclictest0-21swapper/022:20:000
3085862992010,5cyclictest0-21swapper/022:20:000
308586499191,10cyclictest0-21swapper/222:10:142
308586399199,6cyclictest36-21ksoftirqd/120:25:261
308586399199,4cyclictest3851702-21mta-sts-daemon20:17:011
308586399199,4cyclictest3376500-21acpi22:40:131
308586399198,3cyclictest3136291-21kthreadcore19:45:251
308586399197,5cyclictest0-21swapper/123:16:151
308586399195,8cyclictest3476781-21kthreadcore23:45:221
308586399194,4cyclictest3086458-21cstates19:10:171
3085863991916,2cyclictest3421843-21/usr/sbin/munin23:10:011
3085863991914,1cyclictest191rcu_preempt23:10:201
3085863991911,3cyclictest36-21ksoftirqd/119:10:001
3085863991911,3cyclictest36-21ksoftirqd/119:10:001
3085863991911,1cyclictest191rcu_preempt22:54:441
3085863991911,1cyclictest191rcu_preempt21:17:061
3085863991910,1cyclictest191rcu_preempt21:22:551
3085862991916,2cyclictest3827634-1atopacctd22:38:270
3085862991913,5cyclictest3827634-1atopacctd00:25:210
3085862991913,5cyclictest3532014-21kthreadcore00:20:240
2649091190,2phc2sys0-21swapper/323:26:363
3085864991816,1cyclictest0-21swapper/221:15:002
3085864991815,1cyclictest0-21swapper/222:55:232
3085864991815,1cyclictest0-21swapper/222:10:002
3085864991815,1cyclictest0-21swapper/200:05:232
308586399189,2cyclictest191rcu_preempt20:55:011
308586399188,5cyclictest36-21ksoftirqd/123:30:251
308586399188,4cyclictest3287673-21tr21:40:221
308586399187,6cyclictest0-21swapper/122:55:241
308586399186,4cyclictest0-21swapper/121:52:531
308586399184,9cyclictest3372745-21kthreadcore22:35:241
308586399184,9cyclictest3130283-21kthreadcore19:40:241
3085863991815,2cyclictest3195650-21cstates20:35:171
3085863991812,2cyclictest191rcu_preempt19:20:171
3085863991811,3cyclictest36-21ksoftirqd/100:20:151
3085863991810,1cyclictest191rcu_preempt21:37:141
3085863991810,1cyclictest191rcu_preempt21:27:001
3085863991810,1cyclictest191rcu_preempt19:31:101
3085863991810,1cyclictest191rcu_preempt00:15:471
308586399180,9cyclictest3384143-21ssh22:45:151
308586299188,6cyclictest0-21swapper/022:56:160
308586299188,5cyclictest0-21swapper/023:30:250
308586299187,6cyclictest0-21swapper/022:20:300
308586299182,4cyclictest491rcuog/219:20:300
3085862991815,2cyclictest3827634-1atopacctd23:57:540
3085862991815,2cyclictest3421749-21turbostat23:10:000
3085862991815,2cyclictest3411656-21sh23:00:260
3085862991815,2cyclictest3335839-21mailstats22:10:270
3085862991815,2cyclictest3092136-21munin-plugin-st19:15:000
3085862991815,2cyclictest1326-21systemd-logind21:10:020
3085862991814,2cyclictest3559504-21latency_hist00:40:020
308586499171,6cyclictest0-21swapper/223:10:152
3085864991715,1cyclictest0-21swapper/222:35:242
3085864991715,1cyclictest0-21swapper/222:35:012
3085864991714,1cyclictest0-21swapper/223:05:232
3085864991714,1cyclictest0-21swapper/222:17:372
3085864991714,1cyclictest0-21swapper/222:17:372
3085864991714,1cyclictest0-21swapper/219:40:262
3085864991713,2cyclictest0-21swapper/221:25:222
3085864991711,1cyclictest0-21swapper/219:45:252
308586399179,1cyclictest191rcu_preempt00:06:171
308586399178,4cyclictest3544732-21cat00:30:191
308586399174,8cyclictest3164163-21cstates20:10:181
308586399174,4cyclictest36-21ksoftirqd/123:50:251
308586399174,4cyclictest36-21ksoftirqd/120:20:251
308586399173,5cyclictest3408975-21tr23:00:241
3085863991710,1cyclictest191rcu_preempt23:25:121
308586299178,2cyclictest0-21swapper/022:25:250
308586299177,6cyclictest3467883-21aten_repower_en23:40:170
308586299177,6cyclictest3467883-21aten_repower_en23:40:160
3085862991714,2cyclictest3851702-21mta-sts-daemon23:38:500
3085862991714,2cyclictest3827634-1atopacctd20:50:260
3085862991714,2cyclictest3550162-21users00:30:320
3085862991714,2cyclictest3114746-21grep19:30:220
308586299171,15cyclictest3497975-21kworker/u16:0+xprtiod00:05:280
3085862991710,6cyclictest0-21swapper/023:25:160
2649091170,6phc2sys3520161-21chrt00:12:533
2649091170,4phc2sys0-21swapper/323:55:153
2649091170,2phc2sys0-21swapper/323:10:013
2649091170,2phc2sys0-21swapper/321:21:513
3085864991614,1cyclictest0-21swapper/221:35:012
3085864991614,1cyclictest0-21swapper/219:25:012
3085864991614,1cyclictest0-21swapper/200:30:252
3085864991614,1cyclictest0-21swapper/200:25:022
3085864991613,1cyclictest0-21swapper/223:55:012
3085864991613,1cyclictest0-21swapper/222:50:542
3085864991613,1cyclictest0-21swapper/221:45:002
3085864991613,1cyclictest0-21swapper/221:35:172
3085864991613,1cyclictest0-21swapper/200:00:252
3085864991612,2cyclictest0-21swapper/221:50:262
3085864991612,2cyclictest0-21swapper/221:46:442
308586499160,13cyclictest0-21swapper/220:15:152
308586299167,5cyclictest0-21swapper/021:20:230
308586299166,6cyclictest3438129-21gltestperf23:20:190
3085862991613,2cyclictest3851703-21mta-sts-daemon22:31:570
3085862991613,2cyclictest3851703-21mta-sts-daemon19:15:200
3085862991613,2cyclictest3125998-21latency_hist19:40:010
3085862991613,2cyclictest3085856-21cyclictest20:25:010
3085862991612,3cyclictest3170862-21kworker/u16:1+nfsiod21:14:440
3085862991610,1cyclictest3300985-21idleruntime21:50:190
2649091161,3phc2sys0-21swapper/319:30:123
2649091160,2phc2sys0-21swapper/323:39:273
2649091160,2phc2sys0-21swapper/322:36:253
2649091160,2phc2sys0-21swapper/321:46:163
33862512150,2sleep30-21swapper/322:45:223
308586499157,2cyclictest0-21swapper/219:35:152
308586499151,9cyclictest0-21swapper/220:30:012
3085864991513,1cyclictest0-21swapper/222:45:012
3085864991513,1cyclictest0-21swapper/222:30:002
3085864991513,1cyclictest0-21swapper/219:15:012
3085864991513,1cyclictest0-21swapper/200:00:002
3085864991512,1cyclictest0-21swapper/223:30:202
3085864991512,1cyclictest0-21swapper/223:05:012
3085864991512,1cyclictest0-21swapper/222:00:252
3085864991512,1cyclictest0-21swapper/221:55:232
3085864991512,1cyclictest0-21swapper/221:15:262
3085864991512,1cyclictest0-21swapper/220:40:212
3085864991512,1cyclictest0-21swapper/220:35:022
3085864991512,1cyclictest0-21swapper/200:35:292
308586299159,5cyclictest3851702-21mta-sts-daemon23:19:210
308586299156,8cyclictest0-21swapper/000:10:150
308586299155,6cyclictest0-21swapper/020:11:170
308586299153,7cyclictest0-21swapper/021:45:150
3085862991512,2cyclictest3851703-21mta-sts-daemon22:50:190
3085862991512,2cyclictest3526494-21grep00:15:280
3085862991512,2cyclictest3384224-21aten_repower_fr22:45:160
3085862991512,2cyclictest3285206-21cpuspeed_turbos21:40:170
3085862991512,2cyclictest3262686-21fschecks_count21:25:190
3085862991512,2cyclictest3214164-21/usr/sbin/munin20:50:010
3085862991512,2cyclictest3170822-21gltestperf20:15:190
3085862991512,2cyclictest3085856-21cyclictest20:30:280
3085862991512,2cyclictest0-21swapper/022:05:020
3085862991511,3cyclictest1290-21dbus-daemon21:05:000
3085862991511,3cyclictest1290-21dbus-daemon21:05:000
3085862991510,4cyclictest3851705-21mta-sts-daemon19:25:500
308586299150,13cyclictest3483002-21/usr/sbin/munin23:50:300
2649091154,5phc2sys0-21swapper/300:30:173
2649091150,2phc2sys0-21swapper/319:44:553
2649091150,1phc2sys0-21swapper/319:56:303
3085864991412,1cyclictest0-21swapper/223:20:142
3085864991412,1cyclictest0-21swapper/223:20:022
3085864991412,1cyclictest0-21swapper/222:45:172
3085864991412,1cyclictest0-21swapper/222:20:222
3085864991412,1cyclictest0-21swapper/219:25:172
3085864991412,1cyclictest0-21swapper/200:30:012
3085864991411,1cyclictest0-21swapper/223:40:192
3085864991411,1cyclictest0-21swapper/223:40:192
3085864991411,1cyclictest0-21swapper/223:25:232
3085864991411,1cyclictest0-21swapper/221:24:572
3085864991411,1cyclictest0-21swapper/221:05:002
3085864991411,1cyclictest0-21swapper/221:05:002
3085864991411,1cyclictest0-21swapper/220:50:262
3085864991411,1cyclictest0-21swapper/220:45:212
3085864991411,1cyclictest0-21swapper/220:25:002
3085864991411,1cyclictest0-21swapper/220:10:222
3085864991411,1cyclictest0-21swapper/219:30:202
3085864991410,2cyclictest0-21swapper/220:05:242
308586299145,5cyclictest0-21swapper/019:59:100
3085862991412,1cyclictest3851705-21mta-sts-daemon23:10:260
3085862991411,2cyclictest3225465-21needreboot20:55:250
3085862991411,2cyclictest3163732-21latency_hist20:10:020
3085862991411,2cyclictest3140334-21kthreadcore19:50:230
3085862991411,2cyclictest3134271-21kthreadcore19:45:240
2649091141,6phc2sys0-21swapper/321:30:163
2649091140,2phc2sys0-21swapper/323:21:163
2649091140,2phc2sys0-21swapper/322:20:553
2649091140,2phc2sys0-21swapper/321:12:183
3085864991311,1cyclictest0-21swapper/221:05:152
3085864991311,1cyclictest0-21swapper/219:55:172
3085864991311,1cyclictest0-21swapper/219:50:182
3085864991311,1cyclictest0-21swapper/219:15:212
3085864991311,1cyclictest0-21swapper/219:10:012
3085864991311,1cyclictest0-21swapper/219:10:012
3085862991310,2cyclictest3201215-21apt-key20:40:010
3085862991310,2cyclictest3183136-21cstates20:25:170
2649091130,2phc2sys0-21swapper/323:49:023
2649091130,2phc2sys0-21swapper/323:44:403
2649091130,2phc2sys0-21swapper/323:44:403
2649091130,2phc2sys0-21swapper/323:19:073
2649091130,2phc2sys0-21swapper/323:01:553
2649091130,2phc2sys0-21swapper/322:13:583
35577282120,2sleep30-21swapper/300:35:343
33448192120,3sleep30-21swapper/322:18:183
33448192120,3sleep30-21swapper/322:18:183
308586499129,1cyclictest0-21swapper/220:05:012
3085864991210,1cyclictest0-21swapper/220:55:182
2649091122,3phc2sys0-21swapper/322:30:013
2649091122,2phc2sys0-21swapper/320:10:293
2649091120,2phc2sys0-21swapper/321:40:513
2649091120,2phc2sys0-21swapper/320:40:023
2649091120,2phc2sys0-21swapper/320:30:163
2649091120,2phc2sys0-21swapper/319:46:513
2649091120,2phc2sys0-21swapper/319:15:153
2649091120,1phc2sys0-21swapper/323:33:133
34047002117,2sleep30-21swapper/322:55:303
308586499112,4cyclictest0-21swapper/223:35:142
2649091112,2phc2sys0-21swapper/321:51:573
2649091110,5phc2sys0-21swapper/300:05:163
2649091110,3phc2sys0-21swapper/300:21:193
2649091110,2phc2sys0-21swapper/322:06:103
2649091110,2phc2sys0-21swapper/321:28:553
2649091110,2phc2sys0-21swapper/319:22:043
2649091110,2phc2sys0-21swapper/300:00:203
2649091110,1phc2sys0-21swapper/323:14:103
2649091110,1phc2sys0-21swapper/322:53:413
2649091110,1phc2sys0-21swapper/320:24:273
2649091110,1phc2sys0-21swapper/300:26:413
2649091102,2phc2sys0-21swapper/300:15:153
2649091101,2phc2sys0-21swapper/323:51:383
2649091101,2phc2sys0-21swapper/320:05:203
2649091101,2phc2sys0-21swapper/319:50:163
2649091100,3phc2sys0-21swapper/322:40:143
2649091100,3phc2sys0-21swapper/322:00:233
2649091100,2phc2sys0-21swapper/321:57:543
2649091100,2phc2sys0-21swapper/321:37:383
2649091100,2phc2sys0-21swapper/320:45:153
2649091100,2phc2sys0-21swapper/319:10:303
2649091100,1phc2sys0-21swapper/320:02:553
38343339890,5rtkit-daemon3851702-21mta-sts-daemon19:05:420
38343339890,5rtkit-daemon3851702-21mta-sts-daemon19:05:420
264909191,2phc2sys0-21swapper/322:30:173
264909191,2phc2sys0-21swapper/321:15:063
264909191,2phc2sys0-21swapper/320:55:213
264909191,2phc2sys0-21swapper/320:40:263
264909191,2phc2sys0-21swapper/320:15:173
264909191,2phc2sys0-21swapper/319:05:173
264909191,2phc2sys0-21swapper/319:05:173
264909190,3phc2sys0-21swapper/321:05:143
264909190,2phc2sys0-21swapper/321:00:223
264909190,2phc2sys0-21swapper/321:00:223
264909190,2phc2sys0-21swapper/320:50:253
264909190,2phc2sys0-21swapper/320:25:153
264909190,2phc2sys0-21swapper/319:35:263
264909190,2phc2sys0-21swapper/319:25:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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