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2026-02-27 - 02:36
[ 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 50 highest latencies:
System rackbslot7.osadl.org (updated Thu Feb 26, 2026 12:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
149029912460,57cyclictest20581-21latency_hist07:21:220
149029912046,65cyclictest10823-21sh08:31:190
149029912046,65cyclictest10823-21sh08:31:190
14902991154,56cyclictest87-21kswapd011:17:130
149029911530,10cyclictest0-21swapper/008:21:510
149029911445,62cyclictest0-21swapper/007:46:580
149029911344,61cyclictest2729-21diskmemload09:26:360
1329221138,79sleep20-21swapper/207:01:312
1329221138,79sleep20-21swapper/207:01:312
149029911238,8cyclictest0-21swapper/011:16:210
149029911139,8cyclictest0-21swapper/008:36:460
149319910945,37cyclictest298-21in:imuxsock12:11:202
149029910936,9cyclictest0-21swapper/012:01:400
14902991093,35cyclictest23726-21fschecks_time10:01:420
14902991093,35cyclictest23726-21fschecks_time10:01:420
149029910841,60cyclictest0-21swapper/011:52:490
149029910741,60cyclictest0-21swapper/007:51:340
149029910637,13cyclictest0-21swapper/011:41:560
149029910635,8cyclictest0-21swapper/010:06:510
14902991063,43cyclictest352-21runrttasks09:16:220
14902991062,43cyclictest15805-21ntp_offset11:36:460
149319910580,19cyclictest32357-21latency_hist11:11:212
14902991055,35cyclictest493-21unixbench_multi09:21:560
149029910534,12cyclictest0-21swapper/011:21:440
149029910528,11cyclictest0-21swapper/007:06:250
149029910528,11cyclictest0-21swapper/007:06:250
14902991052,19cyclictest9644-21/usr/sbin/munin12:21:500
149319910435,30cyclictest0-21swapper/208:31:512
14902991044,37cyclictest15222-21kernelversion10:41:440
149029910437,57cyclictest0-21swapper/010:16:210
14902991043,42cyclictest9839-21ntp_kernel_pll_11:26:470
14902991043,37cyclictest957-21fschecks_count12:06:400
14902991043,35cyclictest29384-21sed09:16:450
14902991043,35cyclictest29384-21sed09:16:450
14902991043,35cyclictest2349-21grep08:01:570
149029910429,10cyclictest0-21swapper/009:43:020
149029910410,32cyclictest0-21swapper/011:59:580
149029910410,32cyclictest0-21swapper/011:59:580
14902991034,33cyclictest6758-21ntp_kernel_err08:16:450
14902991033,39cyclictest22957-21sendmail_mailqu07:26:540
14902991033,36cyclictest9612-21grep09:36:560
14902991033,35cyclictest17816-21fschecks_time09:51:430
14902991033,34cyclictest25285-21latency_hist07:36:240
149029910330,12cyclictest0-21swapper/007:45:330
149029910330,12cyclictest0-21swapper/007:45:330
14902991032,35cyclictest352-21runrttasks07:21:410
14902991032,35cyclictest1656-21taskset10:18:450
14902991032,28cyclictest352-21runrttasks12:12:150
149029910237,7cyclictest0-21swapper/010:51:340
14902991023,39cyclictest22242-21unixbench_singl09:01:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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