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2026-07-28 - 03:26
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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 rackaslot8.osadl.org (updated Tue Jul 28, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162422282231,40sleep30-21swapper/319:07:003
164092276246,20sleep10-21swapper/119:09:031
161482271238,19sleep20-21swapper/219:06:022
164582265233,21sleep00-21swapper/019:09:430
325392880,0sleep00-21swapper/000:17:130
25342620,0sleep10-21swapper/122:05:021
218172620,0sleep30-21swapper/320:30:163
103762580,1sleep010379-21fschecks_count21:50:150
122472570,0sleep30-21swapper/321:32:073
293562560,0sleep00-21swapper/023:17:470
327352220,0sleep10-21swapper/123:00:191
124312220,1sleep212432-21latency_hist00:25:002
45022200,0sleep30-21swapper/323:41:133
176652180,0sleep20-21swapper/223:30:142
170042170,0sleep20-21swapper/222:13:202
309182150,0sleep00-21swapper/021:43:250
210432130,0chrt0-21swapper/023:51:030
73922120,0sleep10-21swapper/122:07:261
67932120,0sleep10-21swapper/100:01:491
8213280,0sleep00-21swapper/000:02:520
28985280,0sleep10-21swapper/122:20:141
24015280,0sleep30-21swapper/323:53:183
18052280,1sleep30-21swapper/322:33:033
165869986,1cyclictest25255-21memory23:15:172
165869983,3cyclictest15474-21idleruntime-cro23:10:012
165869982,3cyclictest20700-21cron22:35:012
165839983,3cyclictest275-21systemd-journal20:01:501
165909974,2cyclictest501-21in:imuxsock20:06:093
165909973,3cyclictest658-21snmpd19:16:113
165909973,3cyclictest275-21systemd-journal20:56:583
165909972,3cyclictest275-21systemd-journal20:11:093
165869975,2cyclictest28-21ksoftirqd/219:50:002
165869973,3cyclictest658-21snmpd20:58:292
165869973,3cyclictest27814-21basename00:15:012
165869973,3cyclictest275-21systemd-journal23:57:312
165869972,3cyclictest275-21systemd-journal23:51:372
165869971,4cyclictest20683-21awk20:30:012
165839976,1cyclictest6108-21diskmemload22:55:451
165839976,1cyclictest0-21swapper/121:10:221
165839975,2cyclictest22-21ksoftirqd/120:35:001
165839973,3cyclictest658-21snmpd00:21:521
165839973,1cyclictest141rcu_preempt23:20:121
165839970,6cyclictest24221-21ssh23:15:061
165789974,2cyclictest2855-21cron19:50:010
165789973,3cyclictest5357-21ntpq22:25:180
165789973,3cyclictest504-21dbus-daemon23:55:210
165789973,1cyclictest0-21swapper/023:29:100
165789972,2cyclictest658-21snmpd23:38:130
165909966,0cyclictest0-21swapper/323:04:223
165909966,0cyclictest0-21swapper/321:41:523
165909965,1cyclictest34-21ksoftirqd/300:00:003
165909964,1cyclictest20629-21turbostat.cron00:30:013
165909963,2cyclictest504-21dbus-daemon22:40:343
165909963,2cyclictest504-21dbus-daemon22:40:343
165909963,2cyclictest32079-21sh21:25:143
165909963,2cyclictest31427-21ssh00:35:283
165909963,2cyclictest30828-21sshd22:02:033
165909963,2cyclictest28451-21ssh23:36:103
165909963,2cyclictest275-21systemd-journal23:11:313
165909963,2cyclictest275-21systemd-journal19:34:563
165909963,2cyclictest23954-21ssh22:55:193
165909963,1cyclictest0-21swapper/323:57:303
165909963,1cyclictest0-21swapper/322:52:163
165909963,1cyclictest0-21swapper/322:11:363
165909963,1cyclictest0-21swapper/321:16:173
165909962,3cyclictest658-21snmpd23:27:373
165909962,3cyclictest658-21snmpd22:47:263
165909962,3cyclictest658-21snmpd22:36:123
165909962,3cyclictest658-21snmpd22:26:213
165909962,3cyclictest658-21snmpd22:06:133
165909962,3cyclictest658-21snmpd19:25:033
165909962,3cyclictest658-21snmpd19:11:233
165909962,3cyclictest658-21snmpd00:32:473
165909962,3cyclictest658-21snmpd00:06:373
165909962,3cyclictest4799-21cat21:05:163
165909962,3cyclictest4757-21diskstats00:20:143
165909962,3cyclictest275-21systemd-journal21:37:083
165909962,3cyclictest26084-21cat20:40:153
165909962,3cyclictest23838-21cat20:35:163
165909962,3cyclictest17786-21expr23:30:153
165909962,3cyclictest13002-11brltty22:24:203
165909962,3cyclictest10007-21apt-get23:45:123
165909962,1cyclictest23697-1kworker/u9:221:55:183
165909962,1cyclictest0-21swapper/321:51:213
165909962,1cyclictest0-21swapper/300:16:243
165909961,3cyclictest275-21systemd-journal20:26:523
165909960,6cyclictest0-21swapper/300:10:043
165909960,3cyclictest16455-21/usr/sbin/munin20:20:203
165909960,0cyclictest0-21swapper/321:20:263
165869966,0cyclictest0-21swapper/221:32:042
165869966,0cyclictest0-21swapper/220:15:192
165869963,2cyclictest658-21snmpd21:37:482
165869963,2cyclictest658-21snmpd21:06:502
165869963,2cyclictest658-21snmpd20:51:372
165869963,2cyclictest658-21snmpd19:30:272
165869963,2cyclictest6355-11speech-driver21:10:012
165869963,2cyclictest4788-21sshd23:22:212
165869963,2cyclictest275-21systemd-journal22:57:152
165869963,2cyclictest275-21systemd-journal00:32:032
165869963,2cyclictest275-21systemd-journal00:00:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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