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2026-06-03 - 21:06
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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 rackcslot4.osadl.org (updated Wed Jun 03, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33672732280240,27sleep10-21swapper/107:05:531
33673962270190,44sleep00-21swapper/007:07:130
179699790,4rtkit-daemon1795-21rtkit-daemon11:07:131
336790599743,49cyclictest3535983-21apt-get11:50:130
34637142610,3sleep0161rcuc/010:12:500
336790599603,6cyclictest3561566-21apt-get12:25:140
336790599582,6cyclictest3404191-21apt-get08:40:110
336790599582,6cyclictest3382675-21apt-get07:45:140
35550032570,1sleep13555004-21sh12:15:221
336790599562,6cyclictest3412422-21apt-get09:00:120
336790599562,5cyclictest3408501-21apt-get08:50:150
3367905995610,4cyclictest3543300-21apt-get12:00:120
336790599552,6cyclictest3516878-21apt-get11:25:140
336790599551,6cyclictest3442846-21apt-get09:45:110
336790599541,5cyclictest3513221-21apt-get11:20:110
336790599533,8cyclictest3427706-21apt-get09:25:130
336790599532,5cyclictest3468877-21apt-get10:20:120
179699530,3rtkit-daemon1795-21rtkit-daemon11:04:281
336790599522,6cyclictest3446699-21apt-get09:50:130
336790599522,5cyclictest3490988-21appstreamcli10:50:030
336790599521,8cyclictest3474498-21ssh10:27:080
336790599512,5cyclictest3550626-21apt-get12:10:150
336790599512,5cyclictest3420325-21apt-get09:15:140
336790599511,3cyclictest3378697-21apt-get07:35:120
179699510,4rtkit-daemon1795-21rtkit-daemon12:01:181
179699510,4rtkit-daemon1795-21rtkit-daemon07:44:541
336790599502,5cyclictest3546939-21apt-get12:05:110
336790599501,9cyclictest3416386-21apt-get09:10:100
336790599501,7cyclictest3528284-21apt-get11:40:130
336790599501,6cyclictest3416120-21diskmemload10:30:230
336790599501,4cyclictest3483432-21apt-get10:40:140
179699500,4rtkit-daemon1795-21rtkit-daemon07:55:061
336790599492,7cyclictest3437288-21lsb_release09:36:400
336790599492,6cyclictest3431578-21apt-get09:30:110
336790599492,6cyclictest3416120-21diskmemload11:00:230
336790599492,5cyclictest3494952-21apt-get10:55:120
336790599492,5cyclictest3454116-21apt-get10:00:120
336790599492,4cyclictest3424161-21apt-get09:20:120
336790599492,4cyclictest3392445-21apt-get08:10:130
336790599491,9cyclictest3464981-21apt-get10:15:110
179699490,3rtkit-daemon1795-21rtkit-daemon09:56:091
336790599481,9cyclictest3539718-21apt-get11:55:110
336790599481,7cyclictest3556826-21ssh12:18:210
336790599481,6cyclictest3450487-21apt-get09:55:120
336790599480,7cyclictest3506725-21ntpq11:10:210
336790599472,6cyclictest3376746-21apt-get07:30:150
336790599461,6cyclictest3416120-21diskmemload09:43:340
336790599460,9cyclictest3384625-21apt-get07:50:110
336790599452,5cyclictest3416120-21diskmemload10:45:540
336790599451,9cyclictest3402823-21memory08:35:210
336790599451,7cyclictest3416120-21diskmemload10:38:180
336790599432,6cyclictest3416120-21diskmemload11:17:300
336790599412,5cyclictest3416120-21diskmemload11:05:310
336790599412,13cyclictest3568803-21apt-get12:35:140
336790599403,10cyclictest3565050-21apt-get12:30:110
179699400,4rtkit-daemon3416120-21diskmemload11:38:481
179699400,4rtkit-daemon1795-21rtkit-daemon09:19:001
336790599390,10cyclictest3416120-21diskmemload11:37:520
179699390,4rtkit-daemon1795-21rtkit-daemon11:33:270
336790599387,7cyclictest3391667-21grep08:05:240
336790599382,6cyclictest3394392-21apt-get08:15:130
336790599382,5cyclictest3386573-21apt-get07:55:130
3367905993813,23cyclictest3414772-21grep09:05:180
179699380,4rtkit-daemon0-21swapper/108:23:020
179699380,3rtkit-daemon1795-21rtkit-daemon07:25:241
336790599373,6cyclictest3372846-21apt-get07:20:130
336790599372,5cyclictest3410448-21apt-get08:55:140
336790599372,10cyclictest3370869-21apt-get07:15:110
336790599371,11cyclictest3531630-21apt-get11:45:070
336790599369,6cyclictest3389461-21rt-features08:00:220
336790599367,6cyclictest3376040-21sed07:25:260
336790599362,6cyclictest3368349-21apt-get07:10:140
179699360,3rtkit-daemon0-21swapper/110:48:241
336790599352,6cyclictest3416120-21diskmemload12:21:070
336790599351,6cyclictest13-21ksoftirqd/008:30:130
179699350,4rtkit-daemon1795-21rtkit-daemon08:55:191
336790599348,24cyclictest3459146-21unixbench_multi10:05:250
336790599342,9cyclictest3406550-21apt-get08:45:120
336790599341,9cyclictest3398319-21apt-get08:25:110
179699340,4rtkit-daemon1795-21rtkit-daemon12:32:001
179699340,4rtkit-daemon1795-21rtkit-daemon12:10:591
179699340,3rtkit-daemon1795-21rtkit-daemon11:10:031
179699340,3rtkit-daemon0-21swapper/111:50:021
179699340,3rtkit-daemon0-21swapper/109:53:001
179699340,3rtkit-daemon0-21swapper/109:34:241
336790599331,10cyclictest3381326-21memory07:40:210
179699330,4rtkit-daemon1795-21rtkit-daemon08:15:541
179699330,4rtkit-daemon1795-21rtkit-daemon07:35:231
3367910993229,2cyclictest3528034-1kworker/1:0H11:45:021
179699320,4rtkit-daemon0-21swapper/011:27:351
179699320,3rtkit-daemon1795-21rtkit-daemon10:57:231
179699320,3rtkit-daemon1795-21rtkit-daemon10:29:021
179699310,3rtkit-daemon1795-21rtkit-daemon11:33:201
179699310,27rtkit-daemon1858-21sendmail-mta09:47:081
179699300,3rtkit-daemon1795-21rtkit-daemon08:43:371
179699300,3rtkit-daemon1795-21rtkit-daemon07:50:551
179699300,3rtkit-daemon0-21swapper/010:37:491
179699300,1rtkit-daemon1795-21rtkit-daemon09:22:151
336791099291,7cyclictest3491302-21apt-get10:50:241
33985402280,4sleep13398301-21/usr/sbin/munin08:25:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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