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2026-03-21 - 16:54
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack7slot8.osadl.org (updated Sat Mar 21, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18512211020,11sleep018001-21apt-get07:05:100
197019917337,29cyclictest10250irq/56-4a10000010:45:470
197019916930,19cyclictest32305-21wget08:00:120
197019916929,33cyclictest2466-21/usr/sbin/munin10:15:040
197019916442,20cyclictest24164-21http09:35:040
197019916247,15cyclictest10250irq/56-4a10000009:55:040
197019915951,95cyclictest19686-21runrttasks09:17:120
197019915842,19cyclictest21393-21ntpq07:15:350
197019915749,14cyclictest10150irq/55-4a10000012:00:300
197019915746,14cyclictest30235-21seq09:55:270
197019915738,19cyclictest3251-21sshd10:15:450
197019915737,29cyclictest3650irq/20-4900000012:15:370
197019915724,34cyclictest802-21in:imuxsock08:20:010
197019915710,21cyclictest24927-21ntp_states11:40:400
19701991565,20cyclictest31024-21apt-get12:07:100
197019915639,16cyclictest10250irq/56-4a10000009:25:200
197019915544,14cyclictest10150irq/55-4a10000011:30:340
197019915537,17cyclictest1468-21http12:15:030
197019915436,18cyclictest13041-21aten_r7power_vo10:55:140
19701991538,21cyclictest5929-21diskstats12:30:220
197019915346,14cyclictest10150irq/55-4a10000009:20:190
197019915340,12cyclictest10150irq/55-4a10000007:35:180
197019915240,18cyclictest8580-21runrttasks10:35:540
19701991516,31cyclictest754-21systemd-journal09:01:170
197019915142,15cyclictest601-21seq10:05:470
197019915138,25cyclictest26640-21runrttasks11:46:160
19701991509,18cyclictest27823-21mailstats07:40:470
19701991508,17cyclictest15808-21ntp_states11:05:400
197019915047,14cyclictest16388-21/usr/sbin/munin09:05:370
197019915039,18cyclictest29967-21entropy07:50:220
19701991498,13cyclictest24152-21apt-get09:37:100
19701991497,35cyclictest1305-21snmpd08:20:140
197019914951,17cyclictest17918-21/usr/sbin/munin09:10:390
197019914949,16cyclictest24719-21date07:30:020
197019914944,88cyclictest101ktimersoftd/010:40:420
197019914944,16cyclictest6159-21seq08:25:160
197019914940,22cyclictest5658-21cpuspeed10:25:170
197019914940,14cyclictest10150irq/55-4a10000008:30:320
197019914934,11cyclictest101ktimersoftd/008:40:000
19701991489,33cyclictest14386-21df_inode11:00:200
19701991489,15cyclictest1305-21snmpd10:50:160
197019914747,15cyclictest27618-21seq11:50:240
197019914745,14cyclictest17885-21cut11:15:050
197019914741,17cyclictest21490-21runrttasks11:29:380
197019914739,23cyclictest29554-21runrttasks11:58:160
197019914738,18cyclictest19447-21if_eth011:20:310
19701991466,29cyclictest29634-21latency_hist07:50:010
197019914638,13cyclictest10150irq/55-4a10000008:40:230
197019914637,21cyclictest27462-21memory09:45:320
197019914632,13cyclictest10150irq/55-4a10000011:35:350
197019914546,15cyclictest3347-21aten_r7power_vo12:20:170
197019914537,14cyclictest10150irq/55-4a10000007:20:310
197019914454,12cyclictest101ktimersoftd/008:10:260
197019914453,9cyclictest101ktimersoftd/008:05:150
197019914435,19cyclictest4238-21aten_r7power_cu10:20:120
19701991439,24cyclictest11440-21ntp_states08:45:430
197019914340,15cyclictest7401-21sshd10:31:250
197019914338,18cyclictest20723-21runrttasks07:13:300
197019914338,17cyclictest14471-21runrttasks08:58:330
197019914337,19cyclictest25329-21cat07:30:450
197019914238,16cyclictest18665-21runrttasks11:17:000
197019914153,10cyclictest101ktimersoftd/007:55:280
197019914138,17cyclictest7093-21cpu12:35:120
197019914135,17cyclictest31518-21seq10:00:280
197019914128,27cyclictest26108-21df_inode09:40:190
197019914052,11cyclictest101ktimersoftd/012:25:290
197019913939,16cyclictest1276-21runrttasks08:50:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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