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2025-12-06 - 05:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 376 highest latencies:
System rack2slot7.osadl.org (updated Sat Dec 06, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400260399442,12cyclictest4160720-21ssh23:23:080
400260399427,16cyclictest28351-21ssh00:33:130
400260399392,5cyclictest0-21swapper/021:53:050
4002603993715,1cyclictest0-21swapper/023:53:020
4002605993223,7cyclictest4023416-21idleruntime-cro20:16:102
400260399323,25cyclictest0-21swapper/022:12:160
400260399322,22cyclictest0-21swapper/000:23:080
400260399321,12cyclictest4091722-21munin-run22:06:110
4002605993021,4cyclictest28084-21fschecks_count00:33:112
400260399303,24cyclictest4142857-21/usr/sbin/munin23:03:030
4002603992927,1cyclictest4170045-21ntpq23:33:120
4002604992815,10cyclictest11050irq/107-eth%d00:03:131
4002603992822,2cyclictest4070666-21grep21:43:140
4002605992718,6cyclictest0-21swapper/223:06:112
400260399271,10cyclictest11050irq/107-eth%d23:36:140
400260599262,21cyclictest4079083-21diskstats21:53:052
4002603992615,1cyclictest16022-21cut00:18:060
400260599257,14cyclictest619-21mta-sts-daemon19:21:132
400260599252,4cyclictest11050irq/107-eth%d21:43:092
400260599244,4cyclictest0-21swapper/222:06:252
400260599244,16cyclictest4058513-21ssh21:31:192
4002604992414,6cyclictest0-21swapper/123:28:181
400260399241,18cyclictest0-21swapper/022:33:060
4002603992411,11cyclictest4091709-21sendmail-msp22:09:390
400260599234,15cyclictest111788-21systemd-journal19:51:122
400260499234,14cyclictest4103539-21ntpq22:18:131
400260499234,14cyclictest1008-21mta-sts-daemon00:08:131
4002604992315,6cyclictest4137443-21latency_hist22:56:111
400260399237,11cyclictest4015040-21packagekitd19:51:120
400260399233,13cyclictest122792-21ntpd00:03:450
400260399232,20cyclictest0-21swapper/022:40:530
400260399231,4cyclictest4084988-21grep21:58:150
400260399231,1cyclictest0-21swapper/022:24:260
4002605992218,3cyclictest4175407-21unixbench_multi23:38:192
4002605992214,6cyclictest0-21swapper/200:18:102
4002604992219,2cyclictest4060005-21grep21:33:071
400260499221,7cyclictest171rcu_preempt19:26:351
400260399229,4cyclictest4019089-21gltestperf20:03:070
400260399224,13cyclictest11050irq/107-eth%d21:41:000
400260399220,21cyclictest0-21swapper/021:48:110
400260399220,1cyclictest4135049-21ntpq22:53:130
4002603992118,2cyclictest191rcuc/000:46:100
4002603992117,3cyclictest1008-21mta-sts-daemon00:38:120
4002603992111,2cyclictest4130399-21grep22:48:090
400260599203,14cyclictest35712-21ld00:43:122
4002605992014,3cyclictest0-21swapper/223:53:092
400260499203,12cyclictest111788-21systemd-journal23:48:141
400260499202,11cyclictest4006262-21sendmail-msp19:33:081
400260399204,8cyclictest0-21swapper/023:43:050
400260399204,11cyclictest111788-21systemd-journal00:08:120
4002603992015,4cyclictest4165840-21ssh23:28:250
4002603992012,2cyclictest0-21swapper/000:13:100
400260399200,20cyclictest0-21swapper/020:48:010
400260399200,19cyclictest4112656-21ntpq22:28:160
400260799192,9cyclictest0-21swapper/321:53:053
400260599195,11cyclictest4089305-21ntpq22:03:122
400260599192,10cyclictest4058049-21latency_hist21:31:142
400260599191,6cyclictest4183607-21awk23:48:122
4002605991915,3cyclictest0-21swapper/223:43:442
400260499199,7cyclictest0-21swapper/100:21:041
4002603991917,1cyclictest24792-21grep00:28:130
400260399191,17cyclictest0-21swapper/023:48:180
400260399190,9cyclictest4148068-21ntpq23:08:120
400260599182,13cyclictest633-21gpm20:31:132
4002605991814,3cyclictest4036851-21unixbench_multi20:53:222
4002605991811,5cyclictest4040251-21sendmail-msp21:13:122
400260599180,15cyclictest4030868-21cut20:38:052
400260499188,5cyclictest11050irq/107-eth%d21:18:051
400260499187,3cyclictest1005-21mta-sts-daemon22:03:441
400260499183,13cyclictest28062-21sh00:33:111
400260499183,12cyclictest23522-21ssh00:26:151
400260499183,10cyclictest111788-21systemd-journal23:09:331
400260499182,12cyclictest4043015-21ntp_states21:13:131
4002604991815,2cyclictest4113216-21unixbench_singl22:28:221
4002604991814,2cyclictest4031873-21unixbench_multi20:38:151
4002604991814,2cyclictest4014821-21latency_hist19:51:101
4002604991813,4cyclictest4025565-21grep20:23:061
400260399183,10cyclictest4054530-21/usr/sbin/munin21:28:160
400260399181,4cyclictest0-21swapper/023:58:120
4002603991814,3cyclictest4013398-21fschecks_time19:48:070
4002603991813,3cyclictest4048338-21unin-run21:21:100
4002603991812,5cyclictest0-21swapper/021:31:190
400260399181,13cyclictest111788-21systemd-journal20:31:130
400260399180,18cyclictest0-21swapper/019:58:080
112699180,1rtkit-daemon0-21swapper/222:17:102
400260599175,9cyclictest0-21swapper/220:28:132
400260599174,11cyclictest4108121-21ssh22:23:162
400260599174,10cyclictest1008-21mta-sts-daemon22:28:072
400260599173,11cyclictest2064027-1kworker/2:0H+kblockd19:28:102
400260599173,10cyclictest25328-21ntpq00:28:202
4002605991714,2cyclictest4038473-21unixbench_multi20:58:172
400260599171,3cyclictest4165034-21ssh23:28:082
4002605991713,3cyclictest2801-21gltestperf00:03:082
4002605991710,6cyclictest0-21swapper/220:08:042
400260599170,13cyclictest1006-21mta-sts-daemon21:38:112
400260499174,9cyclictest4156736-21/usr/sbin/munin23:18:101
400260499174,7cyclictest4001530-1kworker/1:1H+kblockd21:08:111
400260499173,4cyclictest0-21swapper/123:11:111
400260499173,4cyclictest0-21swapper/123:11:111
400260499172,9cyclictest11050irq/107-eth%d21:28:081
400260499172,10cyclictest58-21kcompactd000:43:121
400260399171,2cyclictest0-21swapper/019:36:100
400260799164,6cyclictest0-21swapper/322:18:133
400260599162,4cyclictest11050irq/107-eth%d21:23:112
400260599162,12cyclictest4128245-21sendmail-msp22:48:112
400260599161,9cyclictest111788-21systemd-journal23:33:072
4002605991613,2cyclictest607-21dbus-daemon20:46:102
400260599161,2cyclictest11050irq/107-eth%d21:48:132
4002605991612,3cyclictest4045172-21cpuspeed21:18:062
400260599160,3cyclictest4156206-21head23:18:062
400260499164,9cyclictest0-21swapper/122:33:051
400260499164,8cyclictest32087-21ssh00:38:121
400260499164,5cyclictest4108038-21/usr/sbin/munin22:23:151
400260499163,1cyclictest171rcu_preempt23:56:111
400260499163,10cyclictest4101171-21ssh22:16:021
400260499162,4cyclictest171rcu_preempt23:36:141
400260499162,1cyclictest4050608-21ntpq21:23:101
4002604991612,3cyclictest4160822-21fschecks_time23:23:091
400260499161,10cyclictest23151-21latency_hist00:26:111
400260399167,4cyclictest4050867-21mailstats21:23:140
400260399164,7cyclictest0-21swapper/019:16:100
400260399163,10cyclictest4139324-21ssh22:58:110
400260399162,1cyclictest1-21systemd19:21:100
400260399162,12cyclictest1008-21mta-sts-daemon21:08:120
400260399161,8cyclictest0-21swapper/023:18:390
4002603991613,2cyclictest4042596-21gltestperf21:13:080
4002603991612,3cyclictest4025001-21unixbench_singl20:18:160
400260399161,1cyclictest0-21swapper/022:45:310
400260399161,12cyclictest4008041-21grep19:31:110
400260399161,10cyclictest1-21systemd23:16:100
400260399161,10cyclictest1-21systemd23:16:100
400260399160,8cyclictest4102685-21/usr/sbin/munin22:18:060
112699160,1rtkit-daemon0-21swapper/223:24:502
112699160,1rtkit-daemon0-21swapper/219:19:492
112699160,1rtkit-daemon0-21swapper/119:56:591
400260799154,3cyclictest0-21swapper/319:16:103
400260599156,7cyclictest4122136-21ssh22:38:442
400260599156,7cyclictest4033668-21sendmail-msp20:48:062
400260599155,6cyclictest5594-21sendmail-msp00:08:122
400260599151,12cyclictest4192421-21/usr/sbin/munin23:58:102
400260599151,10cyclictest4010096-21fschecks_time19:38:062
4002605991510,3cyclictest4150371-21cron23:11:102
400260499153,9cyclictest1-21systemd20:11:101
400260499153,9cyclictest111788-21systemd-journal23:52:321
400260499153,6cyclictest4127616-21ssh22:45:111
400260499152,9cyclictest4032224-21/usr/sbin/munin20:43:131
400260499152,10cyclictest4028625-21date20:31:101
400260499151,9cyclictest4022851-21ntpq20:13:151
400260499151,7cyclictest111788-21systemd-journal21:48:091
4002604991511,2cyclictest0-21swapper/119:53:201
400260499151,10cyclictest4010129-21grep19:38:061
400260499150,12cyclictest4039160-21grep21:03:071
400260399154,7cyclictest4005879-21/usr/sbin/munin19:23:140
400260799143,7cyclictest0-21swapper/300:18:173
400260799142,8cyclictest0-21swapper/322:11:123
400260799142,7cyclictest0-21swapper/321:43:093
400260799142,6cyclictest0-21swapper/320:18:113
400260799142,6cyclictest0-21swapper/320:13:113
400260799142,5cyclictest0-21swapper/323:28:043
400260799141,6cyclictest0-21swapper/320:31:133
400260599149,4cyclictest14108-21latency_hist00:16:102
400260599149,3cyclictest4138981-21gltestperf22:58:082
400260599148,3cyclictest0-21swapper/220:18:162
400260599144,7cyclictest20826-21ntpq00:23:102
400260599143,7cyclictest4110479-21sendmail-msp22:33:062
400260599143,10cyclictest4025558-21/usr/sbin/munin20:23:062
400260599142,9cyclictest4011441-21aten_r2power_cu19:43:042
400260599142,8cyclictest4125276-21/usr/sbin/munin22:43:082
4002605991410,3cyclictest0-21swapper/200:38:072
400260499148,3cyclictest0-21swapper/119:18:091
400260499144,6cyclictest0-21swapper/123:03:141
400260499143,7cyclictest4123417-21ssh22:40:531
400260499143,6cyclictest4070688-21/usr/sbin/munin21:43:141
400260499142,9cyclictest4129902-21/usr/sbin/munin22:48:051
400260499142,8cyclictest4043529-21diskmemload23:43:441
400260499142,11cyclictest4029246-21cut20:33:081
400260499142,11cyclictest4002802-21latency_hist19:16:101
4002604991411,3cyclictest4036335-21ntp_kernel_pll_20:53:161
400260499141,11cyclictest1007-21mta-sts-daemon22:58:131
4002604991410,2cyclictest4085021-21unixbench_singl21:58:151
400260399148,2cyclictest4035618-21/usr/sbin/munin20:53:050
400260399145,8cyclictest4037435-21/usr/sbin/munin20:58:060
400260399143,9cyclictest4021338-21/usr/sbin/munin20:08:120
400260399142,8cyclictest4012070-21/usr/sbin/munin19:43:080
400260799134,6cyclictest0-21swapper/319:38:113
400260799134,3cyclictest0-21swapper/319:58:103
400260799133,5cyclictest0-21swapper/322:43:083
400260799133,3cyclictest0-21swapper/323:33:143
400260799132,8cyclictest0-21swapper/300:26:153
400260799132,6cyclictest0-21swapper/323:52:323
400260799132,6cyclictest0-21swapper/300:23:083
400260799132,6cyclictest0-21swapper/300:03:063
400260799132,4cyclictest0-21swapper/300:13:033
400260799131,8cyclictest0-21swapper/322:03:113
400260599134,5cyclictest4008430-21fschecks_count19:33:072
400260599133,5cyclictest4013334-21/usr/sbin/munin19:48:062
400260599132,8cyclictest4019364-21/usr/sbin/munin20:03:092
400260499135,4cyclictest0-21swapper/120:48:021
400260499134,7cyclictest4065901-21ssh21:38:161
400260499133,5cyclictest4093881-21/usr/sbin/munin22:08:101
400260499132,8cyclictest4005799-21/usr/sbin/munin19:23:121
400260499132,4cyclictest11050irq/107-eth%d21:53:171
400260499131,8cyclictest11312-21grep00:13:061
400260399136,6cyclictest1008-21mta-sts-daemon20:28:100
400260399135,2cyclictest4022000-21munin-node20:13:070
400260399133,8cyclictest4026219-21/usr/sbin/munin20:23:120
400260399132,7cyclictest4010112-21fschecks_time19:38:060
400260799125,4cyclictest0-21swapper/322:13:533
400260799125,3cyclictest0-21swapper/300:43:123
400260799124,5cyclictest0-21swapper/320:28:203
400260799124,4cyclictest0-21swapper/321:48:173
400260799124,4cyclictest0-21swapper/321:31:193
400260799124,3cyclictest0-21swapper/319:43:103
400260799123,5cyclictest0-21swapper/323:36:143
400260799123,5cyclictest0-21swapper/321:08:133
400260799123,5cyclictest0-21swapper/320:53:183
400260799122,5cyclictest0-21swapper/319:28:063
400260799122,5cyclictest0-21swapper/300:33:103
400260799122,4cyclictest0-21swapper/321:58:033
400260799121,6cyclictest0-21swapper/321:03:123
400260599128,2cyclictest4040144-21unixbench_singl21:03:172
400260599123,6cyclictest4017369-21/usr/sbin/munin19:58:072
400260599123,5cyclictest4152499-21ssh23:13:112
400260599123,5cyclictest4152499-21ssh23:13:112
400260599123,5cyclictest4084226-21/usr/sbin/munin21:58:072
400260599122,8cyclictest4099454-21/usr/sbin/munin22:13:202
400260599122,8cyclictest4041859-21/usr/sbin/munin21:08:202
400260599122,7cyclictest762-21in:imuxsock22:52:522
400260499122,5cyclictest4037606-21grep20:58:071
400260499121,7cyclictest4169275-21/usr/sbin/munin23:33:041
400260499121,6cyclictest4018829-21aten2.4-expect20:03:051
400260499120,8cyclictest4024102-21sed20:18:071
400260399124,2cyclictest4032520-21grep20:43:070
400260399122,8cyclictest4030656-21tail20:38:030
400260399121,7cyclictest0-21swapper/021:03:050
400260799114,3cyclictest0-21swapper/322:23:173
400260799113,5cyclictest0-21swapper/323:18:083
400260799113,5cyclictest0-21swapper/323:03:033
400260799113,4cyclictest0-21swapper/323:23:143
400260799113,4cyclictest0-21swapper/321:18:103
400260799113,3cyclictest0-21swapper/323:08:043
400260799112,5cyclictest0-21swapper/322:58:053
400260799112,5cyclictest0-21swapper/321:13:113
400260799112,4cyclictest0-21swapper/321:28:163
400260799111,6cyclictest0-21swapper/319:23:103
400260799111,6cyclictest0-21swapper/300:08:043
400260499110,7cyclictest4012300-21/usr/sbin/munin19:43:111
400260799104,4cyclictest0-21swapper/322:38:083
400260799104,4cyclictest0-21swapper/321:38:053
400260799103,5cyclictest0-21swapper/323:56:113
400260799103,5cyclictest0-21swapper/323:11:113
400260799103,5cyclictest0-21swapper/323:11:113
400260799103,3cyclictest0-21swapper/319:33:083
400260799102,5cyclictest0-21swapper/323:48:063
400260799102,5cyclictest0-21swapper/320:01:123
400260799102,5cyclictest0-21swapper/319:18:093
400260799102,3cyclictest0-21swapper/322:51:323
400260799101,6cyclictest0-21swapper/322:31:143
400260799101,6cyclictest0-21swapper/320:23:103
400260799101,5cyclictest0-21swapper/322:28:123
400260799101,5cyclictest0-21swapper/320:43:113
400260799101,5cyclictest0-21swapper/300:37:293
400260799100,6cyclictest0-21swapper/319:51:123
400260799100,6cyclictest0-21swapper/319:48:183
400260599103,6cyclictest4002612-21unin-run19:16:102
40026079993,4cyclictest0-21swapper/323:43:053
40026079993,3cyclictest0-21swapper/320:48:023
40026079992,5cyclictest0-21swapper/320:58:083
40026079992,5cyclictest0-21swapper/320:06:163
40026079992,4cyclictest0-21swapper/322:48:023
40026079984,3cyclictest0-21swapper/321:21:113
40026079982,4cyclictest0-21swapper/320:38:043
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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