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2025-12-08 - 06:59
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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 376 highest latencies:
System rackeslot2.osadl.org (updated Mon Dec 08, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
373613921010,2sleep11631-21gmain20:58:251
373613921010,2sleep11631-21gmain20:58:251
36268542790,1sleep0191rcu_preempt19:30:070
36712372720,2sleep20-21swapper/220:05:122
3599633994029,3cyclictest0-21swapper/223:30:012
38322692320,2sleep30-21swapper/321:55:223
3599631992716,6cyclictest0-21swapper/022:00:020
3599631992522,2cyclictest4087163-21basename00:25:010
3599631992314,5cyclictest3826300-21latency_hist21:55:020
3599631992219,2cyclictest3948517-21grep23:05:020
3599631992213,4cyclictest260-21systemd-journal22:42:270
3599631992211,6cyclictest0-21swapper/022:05:010
359963199220,6cyclictest3913912-21apt-get22:45:050
302487291221,4phc2sys0-21swapper/322:25:053
359963199218,8cyclictest0-21swapper/019:50:070
3599631992118,2cyclictest3957038-21grep23:10:010
3599631992113,4cyclictest4036457-21kthreadcore23:55:120
3599631992112,5cyclictest3882444-21kthreadcore22:25:130
3599632992017,2cyclictest3699627-21apt-key20:30:011
359963199209,6cyclictest0-21swapper/000:35:120
3599631992017,2cyclictest4069791-21dump-pmu-power00:15:000
3599631992017,2cyclictest3748411-21diskmemload00:20:010
3599631992016,3cyclictest1652-1atopacctd20:50:010
3599631992012,4cyclictest3772670-21sshd21:22:140
3599631992011,5cyclictest3757295-21/usr/sbin/munin21:15:130
3599632991916,2cyclictest4008968-21latency_hist23:40:011
3599632991912,3cyclictest3599629-21cyclictest21:20:171
359963199199,5cyclictest0-21swapper/021:10:050
359963199198,6cyclictest0-21swapper/021:25:040
359963199196,7cyclictest0-21swapper/023:15:110
3599631991916,2cyclictest4026301-21grep23:50:010
3599633991815,1cyclictest0-21swapper/219:40:002
359963299189,4cyclictest0-21swapper/121:35:011
3599632991815,2cyclictest1700-21systemd-logind21:30:021
3599632991814,3cyclictest1700-21systemd-logind21:05:001
3599632991812,5cyclictest4078711-21apt-get00:20:031
359963199187,6cyclictest0-21swapper/023:40:060
3599631991815,2cyclictest3783993-21fschecks_count21:30:100
3599631991815,2cyclictest3650897-21grep19:50:010
3599631991812,5cyclictest4054168-21kthreadcore00:05:110
302487291180,2phc2sys0-21swapper/322:12:153
3599633991715,1cyclictest0-21swapper/219:20:002
3599633991714,1cyclictest0-21swapper/223:20:002
3599633991714,1cyclictest0-21swapper/221:20:002
359963299178,4cyclictest0-21swapper/121:15:111
3599632991715,1cyclictest4060813-21ls00:10:001
3599632991714,2cyclictest7602-21cron23:15:001
3599632991714,2cyclictest3913540-21apt-key22:45:011
3599632991713,3cyclictest1700-21systemd-logind19:50:011
3599632991710,5cyclictest3991727-21cat23:30:011
3599632991710,3cyclictest4039464-21kthreadcore23:55:141
359963199179,4cyclictest4030273-21kthreadcore23:50:130
359963199179,3cyclictest3791983-21/usr/sbin/munin21:35:050
359963199179,2cyclictest0-21swapper/022:15:140
359963199179,1cyclictest601rcuop/322:33:410
359963199179,1cyclictest601rcuop/300:00:420
359963199171,4cyclictest3614343-21perf19:20:000
3599631991714,2cyclictest3699580-21apt-key20:30:000
3599631991714,2cyclictest1726-21wpa_supplicant20:55:270
3599631991714,2cyclictest1726-21wpa_supplicant20:55:270
3599631991710,1cyclictest601rcuop/323:11:360
359963199170,15cyclictest3939537-21munin-plugin-st23:00:000
302487291170,2phc2sys0-21swapper/323:04:083
302487291170,2phc2sys0-21swapper/300:02:073
3599633991614,1cyclictest0-21swapper/223:15:012
3599633991614,1cyclictest0-21swapper/223:00:022
3599633991614,1cyclictest0-21swapper/222:55:022
3599633991613,1cyclictest0-21swapper/223:06:532
3599633991613,1cyclictest0-21swapper/222:45:142
3599633991613,1cyclictest0-21swapper/222:43:072
3599633991613,1cyclictest0-21swapper/222:25:132
3599633991613,1cyclictest0-21swapper/222:20:192
3599633991613,1cyclictest0-21swapper/222:00:112
3599633991613,1cyclictest0-21swapper/221:35:022
3599633991613,1cyclictest0-21swapper/220:20:002
3599632991613,2cyclictest7602-21cron21:50:001
3599632991613,2cyclictest3809236-21latency_hist21:45:021
3599632991613,2cyclictest3809236-21latency_hist21:45:021
3599632991613,2cyclictest3800428-21latency_hist21:40:001
3599632991613,2cyclictest3652444-21sed19:50:121
3599632991612,3cyclictest4105720-21cut00:35:091
3599632991612,3cyclictest3828022-21kthreadcore21:55:111
3599632991612,3cyclictest3750103-21kthreadcore21:10:121
3599632991610,2cyclictest3878720-21latency_hist22:25:001
359963199169,2cyclictest3810474-21irqcore21:45:120
359963199168,5cyclictest3687753-21tail20:20:080
359963199168,1cyclictest601rcuop/321:42:270
359963199168,1cyclictest601rcuop/321:42:270
359963199166,6cyclictest16-21ksoftirqd/022:10:020
359963199164,7cyclictest4000977-21expr23:35:070
3599631991614,1cyclictest8351-21rtkit-daemon20:32:460
359963199161,3cyclictest191rcu_preempt00:30:010
3599631991613,2cyclictest3996942-21processes23:30:170
3599631991613,2cyclictest3988137-21needreboot23:25:150
3599631991613,2cyclictest3930970-21systemd-run22:55:010
3599631991613,2cyclictest3599629-21cyclictest19:40:100
3599631991613,2cyclictest1-21systemd00:35:000
3599631991613,2cyclictest1-21systemd00:35:000
302487291160,2phc2sys0-21swapper/323:54:343
302487291160,2phc2sys0-21swapper/323:25:563
3599633991513,1cyclictest0-21swapper/223:00:072
3599633991513,1cyclictest0-21swapper/221:40:002
3599633991513,1cyclictest0-21swapper/221:10:092
3599633991512,1cyclictest0-21swapper/223:55:002
3599633991512,1cyclictest0-21swapper/223:30:132
3599633991512,1cyclictest0-21swapper/222:40:002
3599633991512,1cyclictest0-21swapper/222:15:022
3599633991512,1cyclictest0-21swapper/222:07:212
3599633991512,1cyclictest0-21swapper/221:55:002
3599633991512,1cyclictest0-21swapper/221:40:112
3599633991512,1cyclictest0-21swapper/221:40:112
3599633991512,1cyclictest0-21swapper/221:20:112
3599633991512,1cyclictest0-21swapper/220:50:012
3599633991512,1cyclictest0-21swapper/220:35:002
3599633991512,1cyclictest0-21swapper/200:35:192
3599633991512,1cyclictest0-21swapper/200:15:012
3599633991512,1cyclictest0-21swapper/200:10:012
3599633991511,2cyclictest0-21swapper/223:45:112
3599633991511,2cyclictest0-21swapper/200:16:332
359963299158,3cyclictest3896452-21tail22:35:051
359963299157,3cyclictest0-21swapper/121:10:011
359963299154,8cyclictest260-21systemd-journal20:40:021
359963299153,7cyclictest3676248-21cat20:10:121
359963299153,7cyclictest3676248-21cat20:10:121
3599632991512,2cyclictest4045535-21kthreadcore00:00:141
3599632991512,2cyclictest4019953-21kthreadcore23:45:111
3599632991512,2cyclictest4014637-21unixbench-2d23:40:191
3599632991512,2cyclictest3925188-21kthreadcore22:50:121
3599632991512,2cyclictest3849171-21ssh22:05:151
3599632991512,2cyclictest3843895-21gpgconf22:05:011
3599632991512,2cyclictest3818405-21cstates21:50:071
3599632991512,2cyclictest3614538-21sh19:20:011
3599632991512,2cyclictest3602684-21kthreadcore19:10:171
3599632991512,2cyclictest1702-21in:imuxsock00:20:011
3599632991512,2cyclictest1631-21gmain20:50:021
3599632991512,2cyclictest0-21swapper/119:25:001
3599632991511,3cyclictest3953562-21needreboot23:05:201
3599632991511,3cyclictest3891065-21kthreadcore22:30:131
359963299150,4cyclictest3939872-21/usr/sbin/munin23:00:051
359963199158,6cyclictest3714862-21tr20:40:150
359963199157,2cyclictest0-21swapper/022:10:080
359963199156,4cyclictest3809060-21kworker/u16:3-rpciod23:23:120
3599631991513,1cyclictest8351-21rtkit-daemon21:01:400
3599631991512,2cyclictest3901255-21open_inodes22:35:140
3599631991512,2cyclictest3681356-21latency_hist20:15:010
3599631991512,2cyclictest3681356-21latency_hist20:15:010
3599631991512,2cyclictest3635990-21kthreadcore19:35:120
3599631991512,2cyclictest3624422-21tr19:25:160
3599631991512,2cyclictest3619580-21ptp4l-jitter19:20:190
3599631991511,3cyclictest3809060-21kworker/u16:3+nfsiod22:20:280
302487291150,4phc2sys0-21swapper/321:50:483
302487291150,3phc2sys0-21swapper/321:32:293
302487291150,3phc2sys0-21swapper/321:20:033
302487291150,2phc2sys0-21swapper/322:57:493
302487291150,2phc2sys0-21swapper/320:50:143
359963399141,6cyclictest0-21swapper/200:00:022
3599633991412,1cyclictest0-21swapper/223:25:002
3599633991412,1cyclictest0-21swapper/221:00:012
3599633991412,1cyclictest0-21swapper/221:00:012
3599633991412,1cyclictest0-21swapper/200:01:102
3599633991411,1cyclictest0-21swapper/223:43:012
3599633991411,1cyclictest0-21swapper/223:35:132
3599633991411,1cyclictest0-21swapper/220:00:122
3599633991411,1cyclictest0-21swapper/219:50:012
3599633991411,1cyclictest0-21swapper/219:30:002
3599633991411,1cyclictest0-21swapper/200:25:012
3599633991410,2cyclictest0-21swapper/221:05:152
3599633991410,2cyclictest0-21swapper/200:25:132
359963399140,12cyclictest0-21swapper/200:33:482
359963399140,12cyclictest0-21swapper/200:33:482
359963299145,7cyclictest1803-21gdbus20:35:021
359963299144,5cyclictest3661466-21tr19:55:141
359963299141,7cyclictest1635-21dbus-daemon19:35:011
3599632991412,1cyclictest8351-21rtkit-daemon19:44:251
3599632991411,2cyclictest4090399-21kthreadcore00:25:151
3599632991411,2cyclictest4027325-21if_enp1s023:50:101
3599632991411,2cyclictest3993040-21irqcore23:30:121
3599632991411,2cyclictest3974513-21acpi23:20:041
3599632991411,2cyclictest3918752-21cut22:45:141
3599632991411,2cyclictest3853745-21tail22:10:081
3599632991411,2cyclictest3675391-21systemd-run20:10:011
3599632991411,2cyclictest1635-21dbus-daemon23:20:011
3599632991410,3cyclictest3809060-21kworker/u16:3+nfsiod22:15:521
359963299140,5cyclictest4099512-21tr00:30:121
359963299140,5cyclictest4099512-21tr00:30:121
359963199145,5cyclictest0-21swapper/020:09:470
359963199141,8cyclictest3601143-21irqstats19:10:160
3599631991411,2cyclictest3747685-21mailstats21:05:190
3599631991411,2cyclictest3664623-21kthreadcore20:00:110
3599631991411,2cyclictest1700-21systemd-logind20:20:000
302487291146,3phc2sys0-21swapper/323:19:103
302487291140,4phc2sys0-21swapper/320:30:203
302487291140,3phc2sys0-21swapper/320:40:233
302487291140,3phc2sys0-21swapper/320:10:193
302487291140,3phc2sys0-21swapper/320:10:193
302487291140,2phc2sys0-21swapper/323:07:413
302487291140,2phc2sys0-21swapper/300:33:003
302487291140,2phc2sys0-21swapper/300:33:003
3599633991311,1cyclictest0-21swapper/222:30:022
3599633991311,1cyclictest0-21swapper/221:45:082
3599633991311,1cyclictest0-21swapper/219:20:192
3599633991311,1cyclictest0-21swapper/219:10:172
3599633991310,2cyclictest0-21swapper/219:55:142
3599633991310,1cyclictest0-21swapper/222:20:022
3599633991310,1cyclictest0-21swapper/221:55:102
3599633991310,1cyclictest0-21swapper/220:30:002
3599633991310,1cyclictest0-21swapper/220:20:102
359963299139,3cyclictest4062201-21gltestperf00:10:091
359963299139,3cyclictest3690041-21kthreadcore20:20:141
359963299139,3cyclictest3666813-21kthreadcore20:00:121
359963299139,3cyclictest3624188-21kthreadcore19:25:161
3599632991310,2cyclictest3880486-21kthreadcore22:25:121
3599632991310,2cyclictest3724301-21latency_hist20:50:021
3599632991310,2cyclictest3712826-21fschecks_count20:40:111
3599632991310,2cyclictest3682148-21cut20:15:101
359963199136,6cyclictest3657257-21telnet19:55:060
359963199136,5cyclictest260-21systemd-journal20:53:200
3599631991310,2cyclictest3706889-21cut20:35:100
302487291133,2phc2sys0-21swapper/322:09:463
302487291131,4phc2sys0-21swapper/322:45:053
302487291131,2phc2sys0-21swapper/323:35:023
302487291130,4phc2sys0-21swapper/322:01:313
302487291130,2phc2sys0-21swapper/322:52:503
302487291130,2phc2sys0-21swapper/322:21:323
302487291130,2phc2sys0-21swapper/321:45:243
302487291130,2phc2sys0-21swapper/321:37:033
302487291130,2phc2sys0-21swapper/321:27:533
302487291130,2phc2sys0-21swapper/300:25:173
359963399129,1cyclictest0-21swapper/220:55:012
359963399129,1cyclictest0-21swapper/220:40:152
359963399129,1cyclictest0-21swapper/219:50:142
359963399129,1cyclictest0-21swapper/219:40:122
359963399129,1cyclictest0-21swapper/219:30:152
359963399123,3cyclictest0-21swapper/220:40:012
3599633991210,1cyclictest0-21swapper/221:25:052
3599633991210,1cyclictest0-21swapper/221:05:002
3599633991210,1cyclictest0-21swapper/220:10:162
3599633991210,1cyclictest0-21swapper/220:10:162
359963299129,2cyclictest3931262-21ssh22:55:051
359963299129,2cyclictest0-21swapper/119:10:021
359963299128,3cyclictest3633875-21irqcore19:35:111
359963199129,2cyclictest3599745-21true19:10:020
302487291120,2phc2sys0-21swapper/323:30:513
302487291120,2phc2sys0-21swapper/319:53:563
302487291111,3phc2sys0-21swapper/300:35:513
302487291110,2phc2sys0-21swapper/323:10:363
302487291110,2phc2sys0-21swapper/320:15:203
302487291110,2phc2sys0-21swapper/319:35:013
302487291110,2phc2sys0-21swapper/300:20:193
359963399106,1cyclictest0-21swapper/219:10:022
302487291101,3phc2sys0-21swapper/320:35:123
302487291101,2phc2sys0-21swapper/323:55:183
302487291101,2phc2sys0-21swapper/323:50:013
302487291101,2phc2sys0-21swapper/322:17:003
302487291100,4phc2sys0-21swapper/320:25:053
302487291100,3phc2sys0-21swapper/319:40:023
302487291100,3phc2sys0-21swapper/300:19:553
302487291100,3phc2sys0-21swapper/300:05:043
302487291100,2phc2sys0-21swapper/322:35:153
302487291100,2phc2sys0-21swapper/321:42:493
302487291100,2phc2sys0-21swapper/321:42:493
302487291100,2phc2sys0-21swapper/321:19:163
302487291100,2phc2sys0-21swapper/321:10:103
302487291100,2phc2sys0-21swapper/320:45:183
302487291100,2phc2sys0-21swapper/319:15:133
302487291100,2phc2sys0-21swapper/300:14:183
30248729191,3phc2sys0-21swapper/319:55:063
30248729191,3phc2sys0-21swapper/319:20:053
30248729191,3phc2sys0-21swapper/319:05:113
30248729191,2phc2sys0-21swapper/323:40:073
30248729191,2phc2sys0-21swapper/323:20:153
30248729191,2phc2sys0-21swapper/320:20:133
30248729190,3phc2sys0-21swapper/322:30:143
30248729190,2phc2sys0-21swapper/322:40:123
30248729190,2phc2sys0-21swapper/321:05:093
30248729190,2phc2sys0-21swapper/321:00:043
30248729190,2phc2sys0-21swapper/320:55:113
30248729190,2phc2sys0-21swapper/320:55:113
30248729190,2phc2sys0-21swapper/320:06:393
30248729190,2phc2sys0-21swapper/320:00:093
30248729190,2phc2sys0-21swapper/319:45:073
30248729190,2phc2sys0-21swapper/319:40:183
30248729190,2phc2sys0-21swapper/319:11:093
30248729180,2phc2sys0-21swapper/319:25:073
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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