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2026-06-06 - 05:45
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Fri Jun 05, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21079219817,46sleep00-21swapper/007:05:390
216609916627,15cyclictest0-21swapper/011:06:400
216609916538,106cyclictest5160-21sendmail_mailqu08:10:410
216609916343,109cyclictest24782-21runrttasks09:30:180
216609916329,14cyclictest10250irq/56-4a10000010:44:130
216609916233,117cyclictest26877-21seq11:45:040
21660991609,22cyclictest2583-21df12:15:120
216609916043,106cyclictest30229-21runrttasks11:57:170
216609916042,106cyclictest12042-21latency_hist08:40:030
216609916024,13cyclictest10250irq/56-4a10000009:08:540
216609916011,19cyclictest27956-21chrt09:41:210
216609915932,107cyclictest22046-21aten_r7power_po11:25:130
216609915734,107cyclictest10250irq/56-4a10000009:35:120
216609915731,18cyclictest6188-21irqstats08:15:290
216609915633,103cyclictest32294-21/usr/sbin/munin07:50:180
216609915538,105cyclictest31795-21users09:55:480
216609915521,11cyclictest0-21swapper/008:31:030
216609915519,16cyclictest24121-21latency_hist07:20:050
21660991546,16cyclictest608-21apt-get12:12:160
216609915440,104cyclictest8783-21ntp_offset08:25:360
216609915429,16cyclictest754-21systemd-journal09:25:100
216609915421,13cyclictest0-21swapper/012:06:560
216609915418,15cyclictest1124-21latency_hist10:05:040
21660991537,33cyclictest12557-21/usr/sbin/munin08:40:410
216609915344,99cyclictest27457-21runrttasks07:31:410
216609915344,97cyclictest18931-21runrttasks11:11:380
21660991527,12cyclictest4214-21mailstats12:20:410
216609915237,103cyclictest754-21systemd-journal11:20:020
216609915234,14cyclictest10150irq/55-4a10000011:50:010
21660991518,17cyclictest29111-21ntp_states09:45:430
21660991518,15cyclictest6574-21memory10:25:330
216609915132,106cyclictest31049-21df_inode07:45:180
216609915124,20cyclictest1305-21snmpd08:03:290
216609915123,18cyclictest14507-21sshd08:50:030
216609915044,95cyclictest23625-21runrttasks11:30:460
216609915038,100cyclictest1276-21runrttasks11:35:190
216609915035,102cyclictest21974-21sendmail09:20:010
216609915033,13cyclictest0-21swapper/010:56:390
216609915022,112cyclictest8323-21grep12:35:450
216609914941,98cyclictest1276-21runrttasks07:36:300
216609914938,99cyclictest1246-21/usr/sbin/munin10:05:140
216609914817,20cyclictest787-21haveged12:28:150
216609914813,27cyclictest3650irq/20-4900000008:09:170
21660991479,19cyclictest3831-21wget10:15:120
216609914733,96cyclictest22308-21df_inode09:20:180
216609914731,17cyclictest14703-21wget08:50:140
216609914731,15cyclictest30140-21df09:50:170
216609914630,16cyclictest21855-21wget07:10:130
216609914626,12cyclictest10150irq/55-4a10000007:40:210
21660991457,14cyclictest754-21systemd-journal12:01:300
216609914545,90cyclictest1704-21runrttasks07:57:180
216609914536,100cyclictest5230-21sshd10:20:220
216609914534,100cyclictest8754-21aten_r7power_cu10:35:110
216609914533,15cyclictest161472chrt08:55:300
216609914532,102cyclictest2976-21runrttasks10:10:450
216609914527,16cyclictest20277-21seq09:11:200
21660991446,21cyclictest7496-21/usr/sbin/munin10:30:130
21660991444,42cyclictest7360-21chrt12:31:100
216609914437,97cyclictest13804-21seq10:53:340
216609914437,96cyclictest29229-21runrttasks11:54:200
216609914426,19cyclictest11618-21/usr/sbin/munin10:45:370
21660991438,31cyclictest10150irq/55-4a10000011:20:300
216609914350,76cyclictest10150irq/55-4a10000007:25:320
216609914347,86cyclictest18232-21cron09:05:000
216609914236,95cyclictest7402-21runrttasks08:20:250
216609913914,17cyclictest15406-21wget11:00:090
216609913837,90cyclictest25295-21seq07:24:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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