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2026-04-22 - 02:19
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Wed Apr 22, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3939980991610,1cyclictest0-21swapper/300:30:103
393998099120,11cyclictest0-21swapper/322:25:133
393998099120,11cyclictest0-21swapper/320:00:183
393998099119,1cyclictest0-21swapper/322:55:143
393998099119,1cyclictest0-21swapper/322:50:093
3939980991111,0cyclictest0-21swapper/323:50:163
3939980991111,0cyclictest0-21swapper/322:05:143
3939980991111,0cyclictest0-21swapper/321:21:103
3939980991111,0cyclictest0-21swapper/321:00:183
3939980991110,0cyclictest0-21swapper/323:15:163
3939980991110,0cyclictest0-21swapper/322:10:113
3939980991110,0cyclictest0-21swapper/319:40:003
393998099110,1cyclictest0-21swapper/321:40:173
393998099110,10cyclictest0-21swapper/321:15:183
393998099110,0cyclictest0-21swapper/323:35:023
3939980991010,0cyclictest0-21swapper/321:10:003
3939980991010,0cyclictest0-21swapper/320:25:213
393998099100,9cyclictest0-21swapper/300:20:193
393998099100,0cyclictest0-21swapper/321:35:133
393998099100,0cyclictest0-21swapper/321:30:113
393998099100,0cyclictest0-21swapper/320:35:013
393998099100,0cyclictest0-21swapper/300:10:123
39399809999,0cyclictest0-21swapper/321:55:153
39399809999,0cyclictest0-21swapper/321:45:113
39399809999,0cyclictest0-21swapper/320:05:143
39399809999,0cyclictest0-21swapper/319:50:143
39399809999,0cyclictest0-21swapper/300:25:143
39399809999,0cyclictest0-21swapper/300:05:213
39399809990,8cyclictest0-21swapper/323:35:023
39399809990,8cyclictest0-21swapper/319:20:163
39399809990,0cyclictest0-21swapper/320:45:013
39399809990,0cyclictest0-21swapper/319:10:133
39399809990,0cyclictest0-21swapper/300:15:183
39399809988,0cyclictest0-21swapper/323:40:133
39399809988,0cyclictest0-21swapper/323:20:193
39399809988,0cyclictest0-21swapper/322:35:143
39399809988,0cyclictest0-21swapper/321:50:173
39399809988,0cyclictest0-21swapper/321:25:193
39399809988,0cyclictest0-21swapper/321:10:203
39399809988,0cyclictest0-21swapper/320:25:003
39399809988,0cyclictest0-21swapper/320:12:153
39399809988,0cyclictest0-21swapper/319:55:123
39399809988,0cyclictest0-21swapper/319:40:173
39399809988,0cyclictest0-21swapper/300:35:143
3938602281,4sleep30-21swapper/319:05:143
39399809977,0cyclictest26450irq/132-ahci[0000:00:17.0]19:35:003
39399809977,0cyclictest0-21swapper/323:45:163
39399809977,0cyclictest0-21swapper/323:10:183
39399809977,0cyclictest0-21swapper/322:40:153
39399809977,0cyclictest0-21swapper/322:30:133
39399809977,0cyclictest0-21swapper/322:20:013
39399809977,0cyclictest0-21swapper/320:55:133
39399809977,0cyclictest0-21swapper/319:45:103
39399809976,0cyclictest0-21swapper/323:08:213
39399809970,7cyclictest0-21swapper/320:50:013
39399809966,0cyclictest0-21swapper/322:20:163
39399809966,0cyclictest0-21swapper/320:35:193
39399809966,0cyclictest0-21swapper/319:25:163
39399809966,0cyclictest0-21swapper/319:15:173
39399809960,6cyclictest0-21swapper/322:45:163
39399809960,6cyclictest0-21swapper/300:00:193
4007374250,0sleep14007378-21ssh21:59:001
39399809954,0cyclictest0-21swapper/320:15:163
39399809951,2cyclictest0-21swapper/323:00:123
39399809951,2cyclictest0-21swapper/323:00:123
39399809950,4cyclictest0-21swapper/320:50:193
39399809950,3cyclictest0-21swapper/323:25:113
3938428251,2sleep20-21swapper/219:05:142
4026708240,3sleep04026981-21df_inode22:45:140
39399809944,0cyclictest0-21swapper/323:56:183
39399809940,3cyclictest4008561-21chrt22:00:173
3939668242,1sleep10-21swapper/119:07:581
3995244230,1sleep23995272-21apt-get21:30:112
3990915230,2sleep03990925-21/usr/sbin/munin21:20:130
3941792230,2sleep00-21swapper/019:15:010
3938164231,1sleep00-21swapper/019:05:120
4064556220,1sleep20-21swapper/200:15:142
4062739220,0sleep0191rcu_preempt00:10:160
4053952220,1sleep10-21swapper/123:50:111
4048211220,1sleep04048413-21sed23:35:170
4032819220,0sleep00-21swapper/023:00:110
4032819220,0sleep00-21swapper/023:00:110
4030040220,1sleep00-21swapper/022:51:150
4023742220,1sleep24023746-21ssh22:36:002
4020027220,1sleep04020188-21date22:30:010
4013747220,1sleep00-21swapper/022:14:560
4011676220,1sleep14011690-21munin-run22:10:011
4005848220,1sleep04006099-21diskstats21:55:150
4002548220,1sleep20-21swapper/221:45:192
4000994220,1sleep10-21swapper/121:42:471
3998118220,1sleep23998290-21python321:35:202
3994731220,1sleep00-21swapper/021:30:010
3985949220,1sleep03986145-21unixbench-2d21:05:200
3984404220,0sleep20-21swapper/221:00:502
3982037220,1sleep03982206-21/usr/sbin/munin20:55:180
3979406220,1sleep13979536-21sed20:50:161
3972074220,1sleep03972242-21mailstats20:30:170
3960406220,1sleep13960556-21ntp_states20:00:171
3957946220,1sleep23958207-21cut19:55:142
3952542220,1sleep03952604-21sshd19:40:150
4074495210,0sleep20-21swapper/200:36:552
4073018210,0sleep10-21swapper/100:35:141
4072500210,0sleep00-21swapper/000:35:010
4072225210,0sleep00-21swapper/000:32:330
4071608210,0sleep20-21swapper/200:30:192
4071520210,0sleep10-21swapper/100:30:181
4069952210,0sleep00-21swapper/000:25:530
4069944210,0sleep20-21swapper/200:25:472
4068337210,0sleep10-21swapper/100:25:021
4067127210,0sleep10-21swapper/100:20:161
4066975210,0sleep00-21swapper/000:20:150
4064398210,0sleep00-21swapper/000:15:120
4064147210,0sleep10-21swapper/100:15:011
4063304210,0sleep10-21swapper/100:10:211
4062065210,0sleep20-21swapper/200:10:022
4061754210,0sleep00-21swapper/000:07:150
4060723210,0sleep20-21swapper/200:05:162
4060659210,0sleep10-21swapper/100:05:161
4059816210,0sleep00-21swapper/000:03:310
4059564210,0sleep10-21swapper/100:01:161
4057866210,0sleep20-21swapper/200:00:012
4057631210,0sleep10-21swapper/123:57:561
4056803210,0sleep20-21swapper/223:55:172
4055298210,1sleep00-21swapper/023:50:420
4053944210,0sleep20-21swapper/223:50:082
4053236210,0sleep00-21swapper/023:45:540
4052249210,0sleep10-21swapper/123:45:151
4051495210,1sleep00-21swapper/023:43:540
4051347210,1sleep23986650-21diskmemload23:42:362
4047876210,0sleep20-21swapper/223:35:152
4047175210,0sleep10-21swapper/123:35:021
4045964210,0sleep00-21swapper/023:30:170
4045089210,0sleep10-21swapper/123:30:021
4044155210,0sleep20-21swapper/223:25:182
4043258210,1sleep00-21swapper/023:25:130
4042792210,0sleep00-21swapper/023:23:090
4042596210,0sleep20-21swapper/223:21:222
4042595210,0sleep10-21swapper/123:21:211
4040886210,0sleep20-21swapper/223:19:542
4040514210,0sleep00-21swapper/023:16:350
4039069210,0sleep14039095-21apt-get23:15:131
4038279210,0sleep14038293-21ssh23:10:211
4038028210,0sleep04038278-21users23:10:200
4037746210,0sleep20-21swapper/223:10:182
4036505210,0sleep10-21swapper/123:08:011
4035390210,0sleep20-21swapper/223:05:172
4035031210,0sleep04035328-21df23:05:150
4032911210,0sleep20-21swapper/223:00:132
4032911210,0sleep20-21swapper/223:00:122
4032820210,0sleep10-21swapper/123:00:121
4032820210,0sleep10-21swapper/123:00:111
4032101210,0sleep10-21swapper/122:56:041
4031480210,0sleep00-21swapper/022:55:190
4030251210,0sleep20-21swapper/222:53:082
4028721210,0sleep10-21swapper/122:50:121
4026982210,0sleep10-21swapper/122:45:151
4026552210,0sleep20-21swapper/222:45:122
4025188210,0sleep00-21swapper/022:40:170
4024661210,0sleep10-21swapper/122:40:141
4022492210,0sleep10-21swapper/122:35:151
4022391210,0sleep04022491-21/usr/sbin/munin22:35:140
4021930210,1sleep10-21swapper/122:33:221
4021260210,0sleep20-21swapper/222:30:192
4020278210,0sleep00-21swapper/022:30:090
4018324210,0sleep20-21swapper/222:25:142
4017948210,0sleep10-21swapper/122:25:021
4017409210,0sleep10-21swapper/122:20:221
4017132210,0sleep00-21swapper/022:20:210
4016870210,0sleep20-21swapper/222:20:192
4014905210,0sleep20-21swapper/222:15:182
4014009210,0sleep00-21swapper/022:15:110
4013759210,0sleep10-21swapper/122:15:011
4013608210,0sleep20-21swapper/222:13:422
4011956210,0sleep10-21swapper/122:10:131
4010005210,0sleep00-21swapper/022:05:160
4009596210,0sleep20-21swapper/222:05:022
4009103210,0sleep00-21swapper/022:00:390
4007766210,0sleep10-21swapper/122:00:111
4007491210,0sleep20-21swapper/222:00:012
4005662210,0sleep20-21swapper/221:55:132
4005284210,0sleep10-21swapper/121:53:561
4004098210,0sleep20-21swapper/221:50:172
4003766210,0sleep00-21swapper/021:50:150
4003172210,0sleep10-21swapper/121:48:401
4001664210,0sleep00-21swapper/021:45:140
4000825210,0sleep20-21swapper/221:41:162
3999398210,0sleep00-21swapper/021:40:020
3998565210,0sleep00-21swapper/021:35:210
3997438210,0sleep10-21swapper/121:35:151
3996660210,0sleep10-21swapper/121:31:151
3994697210,0sleep10-21swapper/121:29:461
3993850210,0sleep20-21swapper/221:25:192
3993578210,0sleep00-21swapper/021:25:170
3991527210,0sleep10-21swapper/121:20:171
3989864210,0sleep00-21swapper/021:15:210
3989577210,0sleep20-21swapper/221:15:192
3988928210,0sleep10-21swapper/121:15:141
3988573210,0sleep00-21swapper/021:14:040
3987415210,0sleep20-21swapper/221:10:182
3986642210,0sleep10-21swapper/121:10:011
3984729210,0sleep10-21swapper/121:05:011
3983516210,0sleep00-21swapper/021:00:160
3982207210,0sleep10-21swapper/120:55:191
3981141210,0sleep20-21swapper/220:55:132
3979538210,0sleep20-21swapper/220:50:172
3979217210,0sleep00-21swapper/020:50:150
3976800210,0sleep20-21swapper/220:45:012
3976040210,1sleep03976188-21wc20:40:180
3975134210,0sleep10-21swapper/120:40:111
3973631210,0sleep20-21swapper/220:35:162
3973357210,0sleep10-21swapper/120:35:151
3973232210,1sleep00-21swapper/020:35:140
3971712210,0sleep10-21swapper/120:30:151
3971283210,0sleep20-21swapper/220:30:122
3969525210,0sleep10-21swapper/120:25:151
3968141210,0sleep00-21swapper/020:20:170
3967613210,0sleep10-21swapper/120:20:141
3966257210,0sleep10-21swapper/120:15:171
3966137210,0sleep00-21swapper/020:15:170
3964165210,0sleep00-21swapper/020:10:170
3962122210,0sleep00-21swapper/020:05:160
3961699210,0sleep10-21swapper/120:05:131
3960862210,0sleep00-21swapper/020:00:200
3959891210,0sleep20-21swapper/220:00:132
3958826210,0sleep00-21swapper/019:55:200
3957608210,0sleep10-21swapper/119:55:011
3956985210,0sleep00-21swapper/019:50:180
3956016210,0sleep20-21swapper/219:50:132
3955698210,0sleep10-21swapper/119:50:001
3954032210,0sleep00-21swapper/019:45:110
3951686210,1sleep10-21swapper/119:37:511
3950188210,0sleep20-21swapper/219:35:132
3948703210,0sleep10-21swapper/119:30:151
3948429210,0sleep00-21swapper/019:30:140
3948274210,0sleep20-21swapper/219:30:122
3947264210,0sleep00-21swapper/019:25:180
3946980210,0sleep20-21swapper/219:25:162
3946053210,0sleep10-21swapper/119:24:151
3944979210,0sleep20-21swapper/219:20:152
3944182210,0sleep00-21swapper/019:20:020
3943416210,0sleep20-21swapper/219:15:192
3942106210,1sleep10-21swapper/119:15:021
3940641210,0sleep20-21swapper/219:10:152
4066486200,0sleep20-21swapper/200:20:022
4056020200,0sleep00-21swapper/023:55:020
4051854200,0sleep20-21swapper/223:45:042
4049774200,0sleep10-21swapper/123:40:021
4045325200,0sleep20-21swapper/223:30:032
4043005200,0sleep10-21swapper/123:25:021
4030702200,0sleep20-21swapper/222:55:052
4024455200,0sleep20-21swapper/222:40:042
3990902200,0sleep20-21swapper/221:20:032
3984962200,0sleep20-21swapper/221:05:022
3983055200,0sleep10-21swapper/121:00:051
3977035200,0sleep10-21swapper/120:45:041
3977034200,0sleep00-21swapper/020:45:030
3975125200,0sleep20-21swapper/220:40:032
3969359200,0sleep20-21swapper/220:25:042
3969271200,0sleep00-21swapper/020:25:020
3967447200,0sleep20-21swapper/220:20:032
3965510200,0sleep20-21swapper/220:15:032
3963599200,0sleep20-21swapper/220:10:032
3963598200,0sleep10-21swapper/120:10:021
3961685200,0sleep20-21swapper/220:05:022
3954023200,0sleep10-21swapper/119:45:041
3953787200,0sleep20-21swapper/219:45:012
3952112200,0sleep10-21swapper/119:40:041
3951854200,0sleep20-21swapper/219:40:012
3950176200,0sleep00-21swapper/019:35:030
3946350200,0sleep10-21swapper/119:25:031
3940118200,0sleep00-21swapper/019:10:040
3939862200,0sleep10-21swapper/119:10:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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