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2026-07-23 - 04:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot2.osadl.org (updated Thu Jul 23, 2026 00:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502780,0irq/46-4a10000012-21ksoftirqd/019:08:230
168019912942,0cyclictest29909-21/usr/sbin/munin22:59:360
168019912743,0cyclictest24876-21/usr/sbin/munin00:24:170
168019912640,0cyclictest0-21swapper21:30:560
168019912635,0cyclictest10373-21/usr/sbin/munin23:38:440
168019912237,0cyclictest15899-21/usr/sbin/munin20:38:470
168019912235,0cyclictest10037-21seq21:54:450
168019912232,0cyclictest22303-21chrt20:57:140
168019912134,0cyclictest28569-21seq19:39:360
168019912133,0cyclictest19850-21chrt19:14:350
168019912132,0cyclictest21428-21ntpq00:14:190
168019912131,0cyclictest5017-21chrt23:22:570
168019912128,0cyclictest2357-21seq19:58:520
168019912113,0cyclictest22793-21fw_forwarded_lo22:39:120
168019912042,0cyclictest17403-21df23:58:500
168019912036,0cyclictest5889-21fschecks_count20:08:590
168019912035,0cyclictest22534-21runrttasks00:18:430
168019912032,0cyclictest21746-21chrt22:34:560
168019912014,0cyclictest29878-21perl19:44:020
168019911949,0cyclictest0-21swapper23:24:030
168019911936,0cyclictest13524-21chrt23:47:440
168019911935,0cyclictest16160-21/usr/sbin/munin23:54:210
168019911932,0cyclictest18020-21/usr/sbin/munin20:44:080
168019911929,0cyclictest4437-21memory20:04:160
168019911929,0cyclictest31386-21irqstats23:04:100
168019911928,0cyclictest31805-21awk19:49:190
168019911839,0cyclictest0-21swapper21:18:550
168019911834,0cyclictest19271-21aten_r4power_po22:23:440
168019911829,0cyclictest19470-21sed20:48:550
168019911740,0cyclictest0-21swapper00:33:200
168019911733,0cyclictest15442-21seq22:12:100
168019911733,0cyclictest11187-21irqstats21:59:170
168019911732,0cyclictest9497-21uname20:19:160
168019911732,0cyclictest25504-21seq19:30:200
168019911732,0cyclictest18543-21grep22:19:440
168019911730,0cyclictest2254-21/usr/sbin/munin23:14:050
168019911729,0cyclictest6230-21/usr/sbin/munin21:44:210
168019911729,0cyclictest24384-21cut21:03:500
168019911728,0cyclictest28689-21users00:34:360
168019911728,0cyclictest20920-21seq22:28:590
168019911726,0cyclictest8437-21runrttasks21:50:390
168019911725,0cyclictest29023-21runrttasks21:16:160
168019911715,0cyclictest27641-21sendmail-msp19:38:360
168019911633,0cyclictest22485-21cron19:23:320
168019911629,0cyclictest18576-21grep19:13:370
168019911628,0cyclictest7148-21/usr/sbin/munin23:28:520
168019911615,0cyclictest23089-21fw_forwarded_lo19:24:050
168019911611,0cyclictest4312-21if_err_eth021:39:140
168019911540,0cyclictest11760-21runrttasks20:24:410
168019911532,0cyclictest3590-21seq21:37:560
168019911530,0cyclictest1607-21runrttasks19:55:330
168019911529,0cyclictest12957-21seq22:04:140
168019911523,0cyclictest25152-21runrttasks22:44:510
168019911523,0cyclictest17377-21sendmail-msp22:18:340
168019911515,0cyclictest12360-21/usr/sbin/munin20:29:380
168019911427,0cyclictest24098-21sshd21:02:560
168019911422,0cyclictest25769-21aten_r4power_en22:48:440
168019911416,0cyclictest14670-21meminfo20:34:160
168019911338,0cyclictest26612-21/usr/sbin/munin21:09:130
168019911323,0cyclictest787-21/usr/sbin/munin23:09:200
168019911316,0cyclictest31370-21df21:23:510
168019911235,0cyclictest10003-21seq23:36:570
168019911234,0cyclictest28841-21runrttasks22:57:170
168019911215,0cyclictest14448-21/usr/sbin/munin23:49:200
168019911142,0cyclictest0-21swapper00:13:020
168019911136,0cyclictest19606-21runrttasks00:06:000
168019911111,0cyclictest7678-21fw_conntrack20:14:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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