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2025-11-14 - 20:30
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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 highest latencies:
System rackcslot4.osadl.org (updated Fri Nov 14, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23277412283219,48sleep10-21swapper/107:06:241
23277522272192,28sleep00-21swapper/007:06:320
248458721550,3sleep10-21swapper/111:26:251
125899800,4rtkit-daemon1257-21rtkit-daemon09:53:130
125899760,4rtkit-daemon1257-21rtkit-daemon12:32:221
232822299592,38cyclictest2398302-21apt-get09:35:131
125899580,4rtkit-daemon1257-21rtkit-daemon07:12:371
232822299570,24cyclictest2505380-21python311:55:021
23568692560,4sleep00-21swapper/008:15:340
125899560,3rtkit-daemon1257-21rtkit-daemon09:31:210
125899550,4rtkit-daemon1257-21rtkit-daemon10:25:571
232822299540,1cyclictest2377906-21diskmemload12:00:581
125899540,5rtkit-daemon1257-21rtkit-daemon07:29:591
125899530,4rtkit-daemon1257-21rtkit-daemon08:49:151
232822299522,33cyclictest2386801-21apt-get09:20:141
232822299521,36cyclictest2508250-21ssh11:57:191
125899520,4rtkit-daemon1257-21rtkit-daemon10:56:121
232822299516,30cyclictest2377906-21diskmemload09:13:301
2328222995114,25cyclictest2487679-21rt-features11:30:281
2328222995112,19cyclictest2385594-21sh09:18:151
232822299507,27cyclictest2471366-21kworker/u8:011:15:121
232822299501,35cyclictest2515583-21ssh12:06:301
232822299501,34cyclictest2377906-21diskmemload11:45:591
232822299501,33cyclictest2471347-21apt-get11:10:161
2328222995012,18cyclictest2417092-21sh09:58:481
232822299500,36cyclictest2446336-21ssh10:36:031
232822299500,2cyclictest2448372-21apt-get10:40:141
232822299491,35cyclictest2468968-21ssh11:05:451
232822299491,30cyclictest2369255-21apt-get08:50:061
232822299490,34cyclictest2528874-21apt-get12:25:131
232822299490,32cyclictest2535867-21apt-get12:35:271
232822299490,31cyclictest2371613-21apt-get08:55:061
125899490,4rtkit-daemon1257-21rtkit-daemon09:36:060
125899490,4rtkit-daemon1257-21rtkit-daemon07:17:441
232822299482,24cyclictest2417947-21apt-get10:00:141
232822299481,32cyclictest2478861-21apt-get11:20:131
232822299481,32cyclictest2425539-21apt-get10:10:141
2328222994813,19cyclictest2454085-21sh10:46:391
232822299480,32cyclictest2377906-21diskmemload09:40:241
232822299480,31cyclictest2421651-21apt-get10:05:121
232822299480,31cyclictest2361631-21apt-get08:30:131
232822299480,24cyclictest2429445-21apt-get10:15:121
232822299471,31cyclictest2377906-21diskmemload11:36:051
232822299471,26cyclictest2377906-21diskmemload09:51:191
232822299471,25cyclictest2517522-21apt-get12:10:121
232822299470,34cyclictest2496906-21ssh11:43:021
232822299470,31cyclictest2463584-21apt-get11:00:171
232822299470,31cyclictest2377906-21diskmemload09:48:031
232822299461,32cyclictest2522695-21ssh12:15:501
232822299461,31cyclictest2433216-21apt-get10:20:161
232822299460,30cyclictest2440834-21apt-get10:30:131
232822299460,23cyclictest2528629-21unin-run12:25:001
232822299460,23cyclictest2394333-21apt-get09:30:121
232822299458,25cyclictest2456023-21/usr/sbin/munin10:50:191
232822299451,25cyclictest1-21systemd09:30:001
232822299450,25cyclictest2346754-21seq07:50:261
232822299441,31cyclictest2339471-21apt-config07:35:031
2328222994410,19cyclictest828-21runrttasks08:37:041
232822299432,25cyclictest2344004-21cat07:45:181
232822299431,30cyclictest2337471-21perl07:30:181
232822299431,30cyclictest2337471-21perl07:30:171
232822299430,31cyclictest2366318-21ntpq08:40:221
232822299430,29cyclictest2341546-21apt-get07:40:131
232822299425,22cyclictest2332898-21awk07:20:141
232822299421,24cyclictest2349398-21grep08:00:171
232822299421,23cyclictest2377283-21sed09:05:231
232822299420,30cyclictest2360461-21/usr/sbin/munin08:25:271
232822299420,30cyclictest2357730-21apt-get08:20:111
232822299420,30cyclictest2354353-21find08:10:251
125899420,4rtkit-daemon1257-21rtkit-daemon11:24:320
125899420,3rtkit-daemon1257-21rtkit-daemon09:22:010
232822299410,29cyclictest2351316-21/usr/sbin/munin08:05:161
232822299410,24cyclictest2348190-21awk07:55:221
232822299400,28cyclictest2356530-21ntp_states08:15:301
232822299400,21cyclictest2374202-21apt-get09:00:121
125899390,6rtkit-daemon2471569-21ssh11:10:170
125899360,6rtkit-daemon2384660-21apt-get09:17:360
125899360,3rtkit-daemon0-21swapper/108:04:320
125899350,3rtkit-daemon0-21swapper/107:33:230
125899350,3rtkit-daemon0-21swapper/107:33:220
125899340,5rtkit-daemon2336170-21mailstats07:25:230
125899340,4rtkit-daemon1257-21rtkit-daemon10:15:100
125899340,2rtkit-daemon0-21swapper/107:13:170
125899340,1rtkit-daemon1257-21rtkit-daemon10:06:140
125899330,4rtkit-daemon1257-21rtkit-daemon12:25:480
125899330,4rtkit-daemon1257-21rtkit-daemon12:14:560
125899330,3rtkit-daemon1257-21rtkit-daemon11:19:020
125899330,3rtkit-daemon1257-21rtkit-daemon09:58:400
125899330,3rtkit-daemon1257-21rtkit-daemon08:38:470
125899330,3rtkit-daemon0-21swapper/111:07:340
125899330,3rtkit-daemon0-21swapper/109:04:470
2328219993228,3cyclictest2340837-1kworker/0:0H09:45:160
125899320,4rtkit-daemon1257-21rtkit-daemon12:04:440
125899320,4rtkit-daemon1257-21rtkit-daemon07:22:160
125899320,3rtkit-daemon1257-21rtkit-daemon11:29:400
125899320,3rtkit-daemon0-21swapper/108:57:410
2328219993128,2cyclictest63750irq/132-enp2s011:35:420
125899310,4rtkit-daemon1257-21rtkit-daemon11:31:170
125899310,3rtkit-daemon0-21swapper/112:31:240
125899310,3rtkit-daemon0-21swapper/110:37:560
125899310,3rtkit-daemon0-21swapper/107:50:390
125899300,3rtkit-daemon0-21swapper/111:40:330
125899300,25rtkit-daemon685-21irqbalance07:19:310
125899290,4rtkit-daemon1257-21rtkit-daemon10:56:040
125899290,4rtkit-daemon1257-21rtkit-daemon10:43:450
125899290,4rtkit-daemon1257-21rtkit-daemon10:25:490
125899290,3rtkit-daemon0-21swapper/110:52:080
125899290,20rtkit-daemon13-21ksoftirqd/009:27:050
125899280,3rtkit-daemon0-21swapper/107:43:100
125899270,1rtkit-daemon1257-21rtkit-daemon10:10:490
125899260,1rtkit-daemon1257-21rtkit-daemon12:20:130
232821999253,15cyclictest2402226-21apt-get09:40:140
2328219992513,7cyclictest63750irq/132-enp2s010:45:130
2328219992510,5cyclictest0-21swapper/011:50:570
125899250,1rtkit-daemon1257-21rtkit-daemon10:01:240
2328219992420,3cyclictest2340837-1kworker/0:0H08:30:160
2328219992414,9cyclictest13-21ksoftirqd/010:25:000
232821999232,15cyclictest2536318-21appstreamcli12:35:040
2328219992316,4cyclictest2522530-21/usr/sbin/munin12:15:260
2328219992312,6cyclictest63750irq/132-enp2s011:45:140
125899230,18rtkit-daemon1257-21rtkit-daemon10:30:190
232821999223,11cyclictest2378172-21apt-get09:10:130
232821999222,14cyclictest2347411-21apt-get07:55:140
2328219992218,3cyclictest2339360-21gpgv07:35:020
232821999220,20cyclictest2514090-21gltestperf12:05:180
125899220,3rtkit-daemon1257-21rtkit-daemon08:25:140
125899220,3rtkit-daemon1257-21rtkit-daemon08:24:440
232821999216,5cyclictest0-21swapper/011:02:560
2328219992118,2cyclictest63750irq/132-enp2s011:56:280
2328219992115,4cyclictest2367336-21systemctl08:45:000
232821999202,12cyclictest2376148-21apt-get09:05:130
2328219992016,2cyclictest2371627-21dump-pmu-power08:55:000
232821999192,2cyclictest141rcu_preempt08:50:000
2328219991912,5cyclictest2343841-21fschecks_time07:45:170
232821999182,12cyclictest2354051-21ntp_states08:10:220
232821999180,3cyclictest2352101-21ntp_states08:05:220
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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