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2026-06-03 - 20:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Wed Jun 03, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102832999341310,20cyclictest29-21kswapd007:36:090
109964722920,3sleep01099645-21df11:25:160
102707822590,4chrt1027079-21apt-get07:05:120
107435422540,3chrt1074349-21munin-run09:55:010
105089722470,2chrt1050895-21df_inode08:30:170
104155622470,3chrt1041552-21ntp_states07:56:070
109708222420,4chrt1097079-21ntpq11:15:300
104802822420,3chrt1048029-21latency_hist08:20:080
108450322400,3sleep01084506-21wc10:30:300
106925622370,3chrt1069253-21ntpq09:35:360
111532322160,3sleep01115325-21grep12:20:510
102832999201174,17cyclictest1098060-21kworker/u2:111:46:160
109032721800,3chrt1090325-21ntpq10:51:110
107800321800,3chrt1078004-21/usr/sbin/munin10:06:190
107297521780,4chrt1072976-21true09:50:030
103034221780,4chrt1030340-21ntpq07:16:040
102832999178144,23cyclictest1029516-40mandb07:13:240
102832999176147,19cyclictest1054873-21kworker/u2:108:55:080
102832999176146,19cyclictest1033919-21kworker/u2:008:00:120
104423521750,3chrt1044232-21ntpq08:05:440
103453321720,3chrt1034529-21ntpq07:31:060
106110621710,4chrt1061107-21/usr/sbin/munin09:06:140
102832999171138,21cyclictest1118475-21sd-mkdcreds12:31:210
104559221690,3chrt1045590-21ntp_kernel_pll_08:10:380
102832999168140,19cyclictest1098060-21kworker/u2:112:00:540
102832999165134,19cyclictest1098060-21kworker/u2:111:51:170
106607721640,2sleep01066080-21wc09:25:070
102832999154128,17cyclictest1079946-21kworker/u2:010:20:220
102832999154122,21cyclictest1037151-21memory07:40:300
102832999151123,19cyclictest1075772-21kworker/u2:210:11:210
102832999145117,18cyclictest1098060-21kworker/u2:111:35:340
102832999138107,20cyclictest1063216-21kworker/u2:209:15:540
103196821340,2sleep01031970-21sort07:21:190
107467321310,3sleep01074675-21uname09:55:270
10283299912999,19cyclictest1063216-21kworker/u2:209:31:150
10283299912596,20cyclictest1033919-21kworker/u2:007:51:050
108711121220,2sleep01087112-21/usr/sbin/munin10:40:130
10283299912295,18cyclictest1098060-21kworker/u2:111:35:010
10283299912193,19cyclictest1092902-21kworker/u2:211:00:340
10283299911990,20cyclictest1116175-21kworker/u2:112:36:100
105965421180,2sleep01059650-21ntpq09:01:030
10283299911688,19cyclictest1098060-21kworker/u2:111:40:360
10283299910876,21cyclictest1038376-21diskstats07:45:200
10283299910271,20cyclictest1085410-21kworker/u2:210:38:480
10283299910171,20cyclictest1092902-21kworker/u2:211:05:440
1028329999869,20cyclictest1111972-21kworker/u2:012:11:010
1028329999567,19cyclictest1054873-21kworker/u2:108:55:520
1028329999364,20cyclictest1072065-21kworker/u2:010:00:510
1028329999163,19cyclictest1045605-21kworker/u2:108:20:180
1028329998961,19cyclictest1075772-21kworker/u2:210:15:510
1028329998931,47cyclictest1098693-21ntpq11:21:120
1028329998930,49cyclictest1062026-21df09:10:140
1028329998832,45cyclictest1066702-21ps09:26:160
1028329998830,46cyclictest1053965-21ntpq08:40:410
1028329998828,49cyclictest1113841-21gcc12:15:390
1028329998813,50cyclictest1055470-21ntpq08:46:030
1028329998812,54cyclictest111-21systemd-journal10:50:060
1028329998812,50cyclictest1033458-21users07:26:230
1028329998730,48cyclictest1111189-21ntpq12:06:010
1028329998730,46cyclictest1095712-21ntpq11:10:360
1028329998729,47cyclictest1049877-21ntpq08:25:580
1028329998728,47cyclictest1116777-21ntp_states12:26:080
1028329998629,45cyclictest1108416-21ntpq11:56:100
1028329998628,47cyclictest1083304-21ntpq10:25:560
1028329998614,48cyclictest1070401-21df09:40:150
1028329998514,59cyclictest1052557-21ntpq08:35:410
1028329998511,49cyclictest1091771-21runrttasks10:56:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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