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2026-02-02 - 23:36
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50.5 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 highest latencies:
System rack5slot7s.osadl.org (updated Mon Feb 02, 2026 12:45:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17610223982163,183sleep00-21swapper07:06:220
180669917113,115cyclictest7378-21apt12:40:020
180669916131,22cyclictest28278-21ntpq08:05:470
180669916015,25cyclictest25449-21/usr/sbin/munin07:50:120
180669916015,24cyclictest16151-21diskstats10:10:360
18066991599,126cyclictest2646-21apt-get08:51:510
180669915818,97cyclictest18362-21apt-get10:25:350
180669915718,23cyclictest30216-21munin-run11:40:030
180669915716,24cyclictest13963-21/usr/sbin/munin09:56:010
180669915716,23cyclictest20987-21munin-run10:40:020
180669915716,115cyclictest22404-21apt-get07:36:130
180669915715,119cyclictest12502-21apt-get09:50:340
180669915714,120cyclictest110-21systemd-journal12:25:360
180669915713,20cyclictest22937-21apt-get10:55:280
180669915713,119cyclictest12568-21latency_hist09:50:080
180669915616,24cyclictest30297-21munin-run08:20:030
18066991559,122cyclictest23566-21apt-get07:40:200
180669915543,21cyclictest2388-21switchtime12:06:000
180669915515,115cyclictest25053-21/usr/sbin/munin07:47:000
180669915513,28cyclictest21866-21if_eth007:30:360
180669915511,119cyclictest26649-21sort07:55:500
180669915436,21cyclictest28144-21latency11:25:420
180669915421,24cyclictest19534-21memory07:16:010
180669915415,114cyclictest32113-21diskstats08:30:330
180669915414,25cyclictest31864-21users08:26:060
180669915413,117cyclictest22769-21/usr/sbin/munin10:55:040
180669915413,116cyclictest10260-21wc09:35:220
180669915330,86cyclictest11645-21sed09:41:030
180669915316,113cyclictest25611-21df_inode11:10:280
180669915316,113cyclictest24826-21diskstats11:05:350
180669915312,27cyclictest15242-21/usr/sbin/munin10:05:100
180669915231,17cyclictest0-21swapper11:30:300
180669915229,101cyclictest0-21swapper11:40:410
180669915217,112cyclictest21799-21apt10:45:010
180669915211,25cyclictest32355-21/usr/sbin/munin11:50:590
18066991519,99cyclictest7774-21wc09:20:060
180669915144,88cyclictest30762-21/usr/sbin/munin08:20:530
180669915120,27cyclictest19808-21ntp_states10:30:590
180669915115,39cyclictest29152-21grep08:10:540
180669915115,36cyclictest18364-21munin-run10:25:020
180669915113,21cyclictest2813-21cat12:10:360
180669915021,29cyclictest14452-21apt-get10:00:200
180669915016,26cyclictest27132-21/usr/sbin/munin11:20:340
180669915016,111cyclictest1042-21munin-run08:40:010
180669915015,105cyclictest18160-21/usr/sbin/munin07:10:230
180669915013,24cyclictest7918-21diskstats09:20:310
180669914919,28cyclictest4011-21memory08:55:520
180669914910,26cyclictest1845-21modprobe08:45:010
18066991489,39cyclictest27848-21sed08:01:030
180669914835,22cyclictest1050-21latency_hist12:00:050
180669914832,21cyclictest21027-21sh07:25:300
180669914828,33cyclictest0-21swapper07:21:050
180669914819,102cyclictest5387-21apt-get09:05:210
180669914813,21cyclictest31825-21munin-run11:50:010
180669914734,94cyclictest24339-21zcat11:01:010
180669914714,108cyclictest17396-21sort10:16:000
180669914633,19cyclictest9028-21find09:25:570
180669914616,104cyclictest1951-21/usr/sbin/munin08:45:120
180669914614,26cyclictest4350-21/usr/sbin/munin12:20:220
180669914614,21cyclictest6293-21diskstats09:10:330
180669914613,111cyclictest4118-21users12:16:020
180669914612,110cyclictest9825-21wc09:30:570
180669914611,23cyclictest5790-21snmpd12:03:020
180669914511,22cyclictest27063-21wc11:20:050
180669914410,112cyclictest6249-21grep12:30:530
180669914318,26cyclictest4593-21apt-get09:00:210
180669913913,24cyclictest21975-21munin-run10:50:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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