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2026-02-27 - 15:04
[ 290.152] (II) VESA: driver for VESA chipsets: vesa
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot7.osadl.org (updated Fri Feb 27, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156252990,6sleep20-21swapper/209:56:402
156252990,6sleep20-21swapper/209:56:402
10013999973,17cyclictest14651-21ntp_kernel_pll_08:56:442
10004999455,16cyclictest181rcu_preempt12:12:410
10013999355,13cyclictest181rcu_preempt10:58:542
10013999165,17cyclictest29444-21timerandwakeup12:06:502
10013998963,17cyclictest298-21in:imuxsock08:26:152
10013998963,17cyclictest298-21in:imuxsock08:26:152
10013998853,11cyclictest181rcu_preempt11:41:372
10013998853,11cyclictest181rcu_preempt11:41:372
10013998849,18cyclictest4538-21fschecks_count10:32:442
10013998844,17cyclictest181rcu_preempt12:06:132
10013998825,19cyclictest0-21swapper/209:07:452
10013998825,19cyclictest0-21swapper/209:07:452
10004998845,13cyclictest181rcu_preempt11:21:510
10004998763,15cyclictest31210-21unixbench_singl10:21:530
10004998763,15cyclictest31210-21unixbench_singl10:21:530
10013998649,11cyclictest181rcu_preempt11:56:462
10004998651,9cyclictest181rcu_preempt07:46:350
10004998651,9cyclictest181rcu_preempt07:46:350
10004998645,8cyclictest181rcu_preempt07:51:270
10004998645,8cyclictest181rcu_preempt07:51:270
10004998643,13cyclictest181rcu_preempt08:01:440
914728516,35sleep10-21swapper/107:01:571
914728516,35sleep10-21swapper/107:01:571
1000499855,33cyclictest15-21ksoftirqd/008:31:300
10004998550,16cyclictest300-21rs:main0
10013998467,9cyclictest0-21swapper/210:26:172
10013998467,9cyclictest0-21swapper/210:26:172
10013998463,15cyclictest962-21latency_hist08:16:182
10013998463,15cyclictest962-21latency_hist08:16:182
10013998444,10cyclictest181rcu_preempt12:26:562
10004998468,10cyclictest23097-21cron09:16:150
1000499844,37cyclictest24114-21/usr/sbin/munin09:16:480
10013998365,12cyclictest6813-21ssh09:41:472
10013998361,13cyclictest32653-21ssh11:18:102
10013998358,15cyclictest12692-21latency_hist10:46:172
10013998355,20cyclictest544-21cron11:36:152
10013998353,13cyclictest181rcu_preempt07:26:422
10013998333,26cyclictest9993-21cyclictest08:06:372
10013998328,23cyclictest0-21swapper/211:11:422
10013998328,23cyclictest0-21swapper/211:11:422
10004998354,12cyclictest181rcu_preempt08:11:380
10004998354,12cyclictest181rcu_preempt08:11:380
10013998250,12cyclictest181rcu_preempt11:26:342
10013998250,12cyclictest181rcu_preempt11:26:342
10013998246,26cyclictest30404-21latency_hist08:06:192
10013998234,27cyclictest0-21swapper/207:57:132
10009998267,9cyclictest4234-21latency_hist08:26:171
10009998267,9cyclictest4234-21latency_hist08:26:171
10009998266,8cyclictest9663-21ssh11:34:371
10013998164,9cyclictest13092-21entropy10:46:372
1001399816,29cyclictest381ktimers/211:01:272
10013998158,9cyclictest181rcu_preempt11:26:062
10013998151,9cyclictest677-21ssh10:26:272
10013998151,9cyclictest677-21ssh10:26:272
10013998134,10cyclictest181rcu_preempt07:31:362
10004998162,13cyclictest16333-21latency10:51:410
10004998159,15cyclictest22351-21fschecks_count07:41:380
10004998159,15cyclictest22351-21fschecks_count07:41:380
10013998059,16cyclictest9993-21cyclictest12:11:362
1001399803,56cyclictest24548-21apt-get11:06:302
10004998054,17cyclictest4598-21fschecks_time10:32:450
10013997949,9cyclictest181rcu_preempt09:46:472
10013997949,9cyclictest181rcu_preempt09:46:472
10013997925,28cyclictest0-21swapper/209:21:502
10004997958,15cyclictest8557-21fschecks_time12:27:170
10004997947,15cyclictest181rcu_preempt10:16:350
1000499794,38cyclictest15-21ksoftirqd/008:46:490
10004997935,8cyclictest0-21swapper/007:36:320
10004997935,8cyclictest0-21swapper/007:36:320
1000499793,46cyclictest15-21ksoftirqd/010:40:140
1000499793,46cyclictest15-21ksoftirqd/010:40:140
1000499792,33cyclictest3733-21dpkg10:31:190
1000499792,33cyclictest3733-21dpkg10:31:190
1001999787,58cyclictest25321-21chrt11:07:053
10013997859,13cyclictest24384-21mailstats07:46:482
10013997859,13cyclictest24384-21mailstats07:46:482
10013997840,12cyclictest181rcu_preempt09:35:192
10013997838,9cyclictest181rcu_preempt07:41:282
10013997838,9cyclictest181rcu_preempt07:41:282
10013997838,12cyclictest181rcu_preempt07:21:192
10013997822,27cyclictest0-21swapper/211:36:372
10004997835,10cyclictest9613-21latency09:46:400
10004997835,10cyclictest9613-21latency09:46:400
10004997834,8cyclictest181rcu_preempt12:01:180
10004997829,11cyclictest181rcu_preempt09:26:480
887727710,41sleep28890-21/usr/sbin/munin07:01:462
887727710,41sleep28890-21/usr/sbin/munin07:01:462
10013997758,10cyclictest0-21swapper/208:51:452
10013997752,9cyclictest181rcu_preempt07:06:352
10013997740,8cyclictest181rcu_preempt08:46:502
10013997739,11cyclictest181rcu_preempt08:21:172
10013997739,11cyclictest181rcu_preempt08:21:172
10009997762,11cyclictest9993-21cyclictest11:24:301
10009997761,10cyclictest8885-21systemd-run09:46:161
10009997759,13cyclictest22236-21latency_hist11:56:181
10009997759,13cyclictest22236-21latency_hist11:56:181
1000499778,54cyclictest25080-21apt-get11:06:310
10004997741,18cyclictest9993-21cyclictest07:16:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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