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2026-06-07 - 20:06
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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 100 highest latencies:
System rack1slot3.osadl.org (updated Sun Jun 07, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
361477099140,12cyclictest0-21swapper/310:40:113
361477099130,1cyclictest0-21swapper/312:20:123
361477099130,11cyclictest0-21swapper/308:35:123
361477099120,11cyclictest0-21swapper/308:10:003
361477099120,11cyclictest0-21swapper/307:15:003
36225382110,10sleep30-21swapper/307:26:223
361477099119,1cyclictest0-21swapper/310:00:113
3614770991111,0cyclictest0-21swapper/308:44:353
361477099110,10cyclictest0-21swapper/311:50:133
361477099110,10cyclictest0-21swapper/309:54:563
361477099110,0cyclictest0-21swapper/312:30:133
361477099109,0cyclictest0-21swapper/310:55:123
361477099109,0cyclictest0-21swapper/309:15:133
361477099107,2cyclictest0-21swapper/310:10:103
3614770991010,0cyclictest0-21swapper/311:35:173
3614770991010,0cyclictest0-21swapper/310:30:173
3614770991010,0cyclictest0-21swapper/310:25:113
3614770991010,0cyclictest0-21swapper/307:50:003
361477099100,9cyclictest0-21swapper/310:20:123
361477099100,9cyclictest0-21swapper/308:10:193
361477099100,0cyclictest0-21swapper/312:15:013
361477099100,0cyclictest0-21swapper/311:25:213
361477099100,0cyclictest0-21swapper/310:15:173
361477099100,0cyclictest0-21swapper/309:20:123
361477099100,0cyclictest0-21swapper/307:36:363
36147709999,0cyclictest0-21swapper/312:35:203
36147709999,0cyclictest0-21swapper/312:25:113
36147709999,0cyclictest0-21swapper/309:00:173
36147709999,0cyclictest0-21swapper/308:00:183
36147709998,0cyclictest0-21swapper/311:30:143
36147709998,0cyclictest0-21swapper/309:35:153
36147709998,0cyclictest0-21swapper/308:50:123
36147709998,0cyclictest0-21swapper/308:45:203
36147709998,0cyclictest0-21swapper/308:45:193
36147709990,8cyclictest0-21swapper/311:45:123
36147709990,8cyclictest0-21swapper/309:41:373
36147709990,8cyclictest0-21swapper/308:30:013
36147709988,0cyclictest0-21swapper/312:00:123
36147709988,0cyclictest0-21swapper/311:05:133
36147709988,0cyclictest0-21swapper/310:36:263
36147709988,0cyclictest0-21swapper/309:13:103
36147709988,0cyclictest0-21swapper/309:05:153
36147709977,0cyclictest0-21swapper/312:05:143
36147709977,0cyclictest0-21swapper/311:10:223
36147709977,0cyclictest0-21swapper/310:08:383
36147709977,0cyclictest0-21swapper/307:30:213
36147709975,1cyclictest0-21swapper/311:20:123
36147709970,6cyclictest0-21swapper/312:15:203
36147709970,0cyclictest0-21swapper/310:55:003
3613069271,4sleep30-21swapper/307:05:143
36147709966,0cyclictest0-21swapper/311:17:363
36147709965,0cyclictest0-21swapper/307:15:143
36147709955,0cyclictest0-21swapper/309:49:173
36147709955,0cyclictest0-21swapper/308:20:133
36147709955,0cyclictest0-21swapper/308:15:193
36147709955,0cyclictest0-21swapper/307:50:013
36147709954,1cyclictest0-21swapper/310:45:133
36147709954,0cyclictest0-21swapper/309:30:283
36147709954,0cyclictest0-21swapper/307:59:053
36147709951,2cyclictest0-21swapper/311:00:123
36147709951,2cyclictest0-21swapper/307:20:113
36147709950,0cyclictest0-21swapper/311:40:173
36147709950,0cyclictest0-21swapper/308:55:163
36147709950,0cyclictest0-21swapper/307:40:153
3614497251,3sleep20-21swapper/207:08:132
36147709944,0cyclictest0-21swapper/311:57:453
36147709944,0cyclictest0-21swapper/309:55:383
36147709944,0cyclictest0-21swapper/308:30:143
36147709940,3cyclictest3669744-21chrt09:25:263
3614476242,1sleep10-21swapper/107:07:561
3746509230,1sleep23746535-21apt-get12:30:132
3738751230,2sleep03738905-21ntp_states12:10:180
3736570230,2sleep03736772-21ntp_kernel_pll_12:05:180
3727241230,2sleep23727245-21ssh11:43:342
3696038230,2sleep03696155-21aten_r1power_po10:30:110
3695629230,1sleep00-21swapper/010:28:550
3685577230,1sleep23685603-21apt-get10:05:122
3614465231,1sleep00-21swapper/007:07:470
3750398220,0sleep10-21swapper/112:39:451
3746676220,1sleep03746941-21diskstats12:30:140
3744447220,1sleep23744568-21telnet12:25:122
3744418220,1sleep13744444-21apt-get12:25:111
3725572220,1sleep03725665-21sh11:40:120
3723101220,1sleep23723103-21ssh11:34:052
3721374220,1sleep13721406-21/usr/sbin/munin11:30:121
3712238220,1sleep00-21swapper/011:07:530
3709059220,1sleep23709237-21sed11:00:162
3703969220,1sleep00-21swapper/010:48:480
3698095220,1sleep10-21swapper/110:35:131
3697486220,0sleep10-21swapper/110:31:521
3681860220,1sleep23682012-21/usr/sbin/munin09:55:162
3678796220,1sleep03678808-21apt-get09:50:000
3672782220,1sleep13672866-21aten_r1power_en09:35:121
3668184220,1sleep23668203-21munin-run09:25:012
3667010220,1sleep03667160-21ntp_states09:20:140
3663638220,0sleep00-21swapper/009:10:220
3660852220,1sleep13660933-21interrupts09:05:141
3660586220,1sleep03660851-21diskstats09:05:140
3659038220,1sleep23659242-21ntpq09:00:162
3629132220,1sleep13629406-21sh07:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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