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2026-02-08 - 18:17
[ 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 Sun Feb 08, 2026 12:44:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2173499118102,8cyclictest0-21swapper/009:18:010
21593210517,60sleep021621-21munin-run07:07:310
21734991042,85cyclictest26412-21kworker/u19:1+ext4-rsv-conversion12:17:510
2084221018,63sleep120890-21ps07:03:121
1722921000,6sleep10-21swapper/108:32:331
1722921000,6sleep10-21swapper/108:32:331
21756999732,11cyclictest0-21swapper/211:08:052
2175699972,51cyclictest14002-21wc11:23:042
2175699972,51cyclictest14002-21wc11:23:042
2175699972,38cyclictest18889-21grep12:23:092
2175699963,38cyclictest31905-21latency_hist07:37:332
2175699963,38cyclictest31905-21latency_hist07:37:332
21756999633,12cyclictest0-21swapper/210:32:312
2175699962,34cyclictest26570-21grep07:18:072
2175699962,34cyclictest26570-21grep07:18:072
2175699953,35cyclictest20711-21latency_hist09:47:352
2173499953,78cyclictest8038-21apt-get12:07:450
2173499953,78cyclictest8038-21apt-get12:07:450
21756999441,46cyclictest0-21swapper/211:32:442
21756999432,8cyclictest0-21swapper/210:33:052
21756999431,12cyclictest0-21swapper/212:02:542
21756999430,13cyclictest0-21swapper/208:23:062
2175699942,31cyclictest352-21runrttasks08:48:052
2173499942,75cyclictest17579-21apt-get08:32:550
2176199932,70cyclictest8604-21chrt12:07:453
2176199932,70cyclictest8604-21chrt12:07:453
2175699939,61cyclictest2405-21ssh11:57:512
2175699934,54cyclictest39-21ksoftirqd/212:18:392
21756999337,51cyclictest0-21swapper/210:13:082
2175699933,30cyclictest8580-21apt-get12:08:082
2175699933,30cyclictest8580-21apt-get12:08:082
2175699924,37cyclictest2715-21latency_hist07:47:332
2175699924,37cyclictest2715-21latency_hist07:47:332
2175699923,31cyclictest28521-21/usr/sbin/munin11:48:092
21756999232,50cyclictest0-21swapper/208:58:072
21756999232,50cyclictest0-21swapper/208:58:072
21756999232,11cyclictest0-21swapper/211:00:222
2173499923,70cyclictest1769-21apt-get11:57:500
2175699914,32cyclictest21354-21true10:42:312
21756999138,46cyclictest30004-21sh10:02:502
21756999136,8cyclictest0-21swapper/207:23:072
21756999136,8cyclictest0-21swapper/207:23:072
21756999134,9cyclictest0-21swapper/211:18:052
2173499913,73cyclictest18954-21apt-get11:32:450
2175699904,33cyclictest3087-21fschecks_time07:47:522
2175699904,33cyclictest3087-21fschecks_time07:47:522
2175699904,32cyclictest24082-21fschecks_time09:52:522
2175699903,38cyclictest601-21grep09:13:122
2175699903,33cyclictest27646-21/usr/sbin/munin10:52:552
2175699903,33cyclictest22880-21grep11:38:122
2175699903,33cyclictest17561-21/usr/sbin/munin08:33:462
2175699903,31cyclictest8751-21/usr/sbin/munin09:27:532
2175699903,30cyclictest27881-21grep09:58:082
2175699903,30cyclictest15998-21cut08:27:532
2175699903,30cyclictest15998-21cut08:27:532
2175699903,28cyclictest6364-21ntp_kernel_pll_09:23:002
2175699903,28cyclictest6364-21ntp_kernel_pll_09:23:002
21756999028,14cyclictest0-21swapper/209:02:592
2175699902,31cyclictest5700-21latency_hist09:22:342
213182906,70sleep20-21swapper/207:03:542
2175699893,42cyclictest21938-21cpu07:07:482
2175699893,38cyclictest20738-21/usr/sbin/munin12:28:162
2175699893,38cyclictest20738-21/usr/sbin/munin12:28:162
2175699893,30cyclictest352-21runrttasks08:13:102
2175699893,27cyclictest21052-21fschecks_count09:47:532
21756998930,9cyclictest0-21swapper/211:43:052
2175699892,34cyclictest24563-21ntp_offset08:52:582
2175699892,34cyclictest24563-21ntp_offset08:52:582
2175699892,33cyclictest352-21runrttasks10:42:502
2175699892,33cyclictest352-21runrttasks10:42:502
21756998923,10cyclictest0-21swapper/212:13:062
21734998965,16cyclictest21725-21cyclictest09:30:260
21756998839,42cyclictest21725-21cyclictest10:22:342
2175699883,37cyclictest19272-21apt-key11:32:342
2175699883,27cyclictest15236-21uname09:37:572
2175699882,33cyclictest29829-21awk09:08:062
2175699882,33cyclictest23505-21munin-node07:12:432
2175699882,33cyclictest23505-21munin-node07:12:432
2175699882,30cyclictest2243-21cat11:57:352
2175699882,30cyclictest2243-21cat11:57:352
2175699882,29cyclictest8191-21grep08:02:592
21734998871,11cyclictest23260-21ntp_offset11:38:200
2175699873,35cyclictest333-21/usr/sbin/munin10:07:432
2175699873,35cyclictest13924-21latency_hist08:22:332
2175699873,32cyclictest9597-21/usr/sbin/munin10:23:052
2175699873,32cyclictest32032-21/usr/sbin/munin07:38:012
2175699873,32cyclictest32032-21/usr/sbin/munin07:38:012
2175699873,32cyclictest21333-21ntp_kernel_pll_08:42:592
2175699873,31cyclictest29054-21fschecks_time07:27:522
2175699873,30cyclictest24643-21/usr/sbin/munin10:48:072
21734998724,14cyclictest24878-21grep07:13:080
21734998724,14cyclictest24878-21grep07:13:080
2175699864,29cyclictest5035-21find07:53:032
2175699864,29cyclictest5035-21find07:53:032
2175699863,32cyclictest12005-21cut09:32:522
2175699863,31cyclictest7229-21/usr/sbin/munin11:13:002
2175699862,31cyclictest1576-21sort11:02:532
21734998668,12cyclictest1-21systemd11:57:300
21734998668,12cyclictest1-21systemd11:57:300
21734998665,14cyclictest352-21runrttasks09:53:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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