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2026-04-14 - 07:34
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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 Mon Apr 13, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12845219716,45sleep00-21swapper/007:07:240
13219991748,110cyclictest30862-21diskstats10:25:240
13219991727,108cyclictest12194-21apt-get11:22:140
132199916619,108cyclictest11552-21sendmail_mailqu11:15:410
13219991628,100cyclictest25162-21apt-get10:06:300
132199916137,105cyclictest4440-21if_eth008:40:530
13219991607,132cyclictest1305-21snmpd08:25:240
13219991589,111cyclictest2362-21ntp_states10:40:410
13219991587,95cyclictest17462-21ntp_states07:25:410
13219991577,92cyclictest8075-21apt-get11:07:110
13219991569,99cyclictest15308-21apt-get07:17:110
132199915610,125cyclictest1276-21runrttasks07:47:090
132199915538,104cyclictest1-21systemd12:40:010
132199915410,98cyclictest23863-21df07:50:180
13219991538,99cyclictest3450-21fw_forwarded_lo10:45:280
13219991538,129cyclictest15285-21wget11:30:180
132199915240,101cyclictest16474-21aten_r7power_en11:35:120
13219991519,118cyclictest2010-21node07:35:350
13219991519,105cyclictest21832-21ntp_states11:55:580
13219991515,108cyclictest1305-21snmpd11:25:470
132199915128,104cyclictest1305-21snmpd08:07:440
13219991508,126cyclictest32273-21ntpq10:30:380
13219991507,125cyclictest29461-21aten_r7power_vo12:25:200
13219991499,99cyclictest10417-21users11:10:480
13219991498,86cyclictest8037-21diskstats08:55:230
13219991497,90cyclictest13103-21irqstats09:15:310
13219991497,121cyclictest24998-21wget07:55:140
13219991497,104cyclictest25164-21/usr/sbin/munin10:05:040
132199914942,91cyclictest101ktimersoftd/008:35:400
132199914938,99cyclictest801-21dbus-daemon12:24:380
132199914928,103cyclictest18892chrt08:31:130
13219991486,120cyclictest11261-21chrt09:08:290
132199914845,93cyclictest5785-21/usr/sbin/munin10:55:160
13219991478,100cyclictest29283-21munin-run10:20:010
13219991476,102cyclictest22671-21runrttasks12:00:110
132199914734,101cyclictest18175-21ntpq09:35:360
13219991469,122cyclictest21949-21latency_hist07:45:040
13219991467,96cyclictest805-21rs:main0
13219991467,101cyclictest7327-21ntp_states11:00:350
132199914639,88cyclictest10150irq/55-4a10000009:45:480
132199914636,99cyclictest13541-21runrttasks07:10:260
132199914636,98cyclictest1276-21runrttasks12:20:010
13219991458,104cyclictest29600-21df10:20:180
13219991458,102cyclictest23417-21sshd09:55:580
13219991457,119cyclictest754-21systemd-journal07:20:140
132199914537,96cyclictest29620-21runrttasks08:13:480
132199914524,102cyclictest1305-21snmpd09:53:430
132199914521,101cyclictest26900-21/usr/sbin/munin10:10:110
13219991448,83cyclictest24151-21fw_forwarded_lo12:05:270
13219991447,99cyclictest6970-21ntp_states08:50:370
13219991447,117cyclictest5519-21/usr/sbin/munin08:45:180
132199914431,94cyclictest17690-21/usr/sbin/munin11:40:130
132199914430,104cyclictest20589-21ntpq11:50:510
13219991436,103cyclictest16958-21ntp_states09:30:410
132199914343,90cyclictest11760-21runrttasks09:10:180
13219991416,99cyclictest30656-21apt-get08:17:020
13219991416,99cyclictest18912-21sshd07:30:500
132199914132,99cyclictest1408-21nginx08:04:380
13219991407,79cyclictest14579-21/usr/sbin/munin09:20:420
132199914043,88cyclictest9470-21ntp_states09:00:380
132199914040,88cyclictest4750-21runrttasks10:50:300
132199914039,91cyclictest19624-21mailstats09:40:490
13219991397,112cyclictest26045-21seq12:12:540
132199913949,80cyclictest15661-21netstat09:25:350
132199913925,96cyclictest10150irq/55-4a10000010:35:420
13219991387,118cyclictest30885-21if_eth012:30:380
13219991368,116cyclictest19118-21df11:45:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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