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2026-06-19 - 13:11
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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 Fri Jun 19, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364240599120,11cyclictest0-21swapper/323:30:113
364240599120,11cyclictest0-21swapper/323:10:133
364240599120,11cyclictest0-21swapper/322:50:013
364240599120,11cyclictest0-21swapper/319:25:113
364240599120,11cyclictest0-21swapper/300:15:183
3642405991111,0cyclictest0-21swapper/321:50:173
3642405991111,0cyclictest0-21swapper/321:25:193
3642405991110,0cyclictest0-21swapper/320:50:003
3642405991110,0cyclictest0-21swapper/320:25:013
364240599110,10cyclictest0-21swapper/322:00:173
364240599110,10cyclictest0-21swapper/320:05:003
364240599110,10cyclictest0-21swapper/300:25:133
364240599110,0cyclictest0-21swapper/323:40:013
364240599110,0cyclictest0-21swapper/323:05:003
364240599110,0cyclictest0-21swapper/322:40:173
364240599110,0cyclictest0-21swapper/319:20:103
3642405991010,0cyclictest0-21swapper/322:50:123
3642405991010,0cyclictest0-21swapper/321:45:173
3642405991010,0cyclictest0-21swapper/321:35:123
3642405991010,0cyclictest0-21swapper/321:20:013
364240599100,9cyclictest0-21swapper/321:10:203
364240599100,9cyclictest0-21swapper/320:30:173
364240599100,10cyclictest0-21swapper/323:55:133
364240599100,0cyclictest0-21swapper/323:50:133
364240599100,0cyclictest0-21swapper/321:55:123
364240599100,0cyclictest0-21swapper/321:25:013
364240599100,0cyclictest0-21swapper/300:05:183
36424059999,0cyclictest0-21swapper/323:35:163
36424059999,0cyclictest0-21swapper/319:40:203
36424059999,0cyclictest0-21swapper/300:20:133
36424059999,0cyclictest0-21swapper/300:12:123
36424059990,8cyclictest0-21swapper/319:45:173
36424059990,0cyclictest0-21swapper/320:25:123
3640611291,5sleep30-21swapper/319:05:133
36424059988,0cyclictest0-21swapper/321:05:123
36424059988,0cyclictest0-21swapper/300:35:123
36424059988,0cyclictest0-21swapper/300:00:013
36424059980,7cyclictest0-21swapper/320:50:133
36424059980,6cyclictest0-21swapper/320:13:063
36424059980,1cyclictest0-21swapper/323:25:123
36424059980,0cyclictest0-21swapper/319:15:003
36424059977,0cyclictest0-21swapper/322:05:163
36424059977,0cyclictest0-21swapper/319:15:013
36424059976,0cyclictest0-21swapper/319:50:103
36424059970,7cyclictest0-21swapper/321:30:183
36424059970,7cyclictest0-21swapper/320:35:193
36424059970,5cyclictest0-21swapper/320:05:113
36424059970,1cyclictest0-21swapper/322:25:113
36424059966,0cyclictest0-21swapper/322:15:123
36424059966,0cyclictest0-21swapper/322:10:183
36424059966,0cyclictest0-21swapper/319:30:173
36424059965,0cyclictest0-21swapper/322:30:143
36424059965,0cyclictest0-21swapper/322:20:123
36424059964,1cyclictest0-21swapper/320:40:103
36424059960,5cyclictest0-21swapper/300:30:163
3740986250,1sleep23740990-21ssh23:10:472
36424059955,0cyclictest0-21swapper/323:47:593
36424059955,0cyclictest0-21swapper/323:20:123
36424059955,0cyclictest0-21swapper/322:36:203
36424059955,0cyclictest0-21swapper/321:04:123
36424059955,0cyclictest0-21swapper/321:04:113
36424059955,0cyclictest0-21swapper/320:55:133
36424059955,0cyclictest0-21swapper/320:15:103
36424059954,0cyclictest0-21swapper/323:05:123
36424059954,0cyclictest0-21swapper/322:55:143
36424059950,4cyclictest0-21swapper/323:20:003
36424059950,4cyclictest0-21swapper/321:40:113
36424059950,4cyclictest0-21swapper/319:35:113
36424059950,2cyclictest0-21swapper/319:55:113
3642201242,1sleep10-21swapper/119:09:071
3641948242,1sleep20-21swapper/219:05:522
3733375230,1sleep13733401-21apt-get22:55:121
3727873231,1sleep23727953-21grep22:40:162
3668258230,1sleep13668284-21apt-get20:15:101
3640683231,1sleep00-21swapper/019:05:140
3773565220,1sleep1773-21sshd00:30:121
3760782220,1sleep10-21swapper/100:00:021
3759368220,1sleep03759429-21if_eno123:55:160
3756085220,1sleep23756106-21apt-get23:50:022
3753607220,1sleep03753609-21ssh23:41:310
3743979220,1sleep13744250-21df_inode23:20:141
3742518220,1sleep13742689-21python323:15:191
3741461220,0sleep00-21swapper/023:15:020
3735563220,1sleep00-21swapper/023:00:130
3732093220,0sleep00-21swapper/022:50:190
3731033220,1sleep13731054-21munin-run22:50:011
3724773220,1sleep20-21swapper/222:35:012
3720536220,0sleep20-21swapper/222:24:242
3715242220,1sleep03715368-21ntp_states22:10:170
3697930220,1sleep03698127-21diskstats21:30:140
3684216220,1sleep10-21swapper/120:55:171
3678827220,1sleep23679033-21grep20:40:172
3672537220,1sleep03672614-21/usr/sbin/munin20:25:150
3672104220,0sleep13672132-21apt-get20:25:121
3664428220,1sleep00-21swapper/020:05:130
3660542220,1sleep20-21swapper/219:55:112
3658631220,0sleep23658658-21apt-get19:50:102
3654541220,1sleep13654636-21cut19:40:011
3649058220,1sleep13649148-21/usr/sbin/munin19:25:111
3776077210,0sleep10-21swapper/100:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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