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2026-05-04 - 11:05
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack4slot3.osadl.org (updated Mon May 04, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26722210614,16sleep026747-21wget19:19:070
9221210514,24sleep09247-21df_abs21:44:160
1601210314,76sleep01624-21sendmail_mailqu21:19:450
6323210114,16sleep03303-21ntpd19:54:360
30168210014,15sleep030172-21diskstats19:29:140
777329914,17sleep07776-21hddtemp_smartct21:39:220
392629914,15sleep03250-21snmpd21:27:500
26705999914,76cyclictest28827-21forks00:24:190
469329814,16sleep04701-21memory21:29:310
347829814,16sleep03502-21munin-node00:44:480
2685729813,16sleep026859-21crond00:18:580
26705999715,72cyclictest29204-21sendmail_mailtr21:04:450
3047929515,16sleep030483-21hddtemp_smartct22:49:230
295429513,16sleep02957-21missed_timers19:44:340
26705999515,71cyclictest1037-21grep19:39:200
26705999515,70cyclictest22132-21wget00:04:100
1851429514,16sleep018515-21sshd23:52:070
778129414,16sleep07783-21irqstats19:59:290
3245629414,16sleep031673-21munin-node21:14:490
26705999415,69cyclictest26984-21munin-node00:19:420
26705999414,70cyclictest6241-21irqstats21:34:280
2407029414,16sleep024071-21iostat_ios22:29:260
2074829414,16sleep020752-21hddtemp_smartct22:19:220
1941929414,16sleep019418-21ntp_states22:14:410
2898829314,16sleep028986-21ntp_states19:24:400
2636729314,15sleep03250-21snmpd20:56:220
1766929315,15sleep017682-21missed_timers22:09:330
167229314,16sleep01670-21ntp_states00:39:400
1455729314,16sleep014554-21ntp_states21:59:420
1426029314,16sleep014263-21iostat_ios20:19:270
995629214,16sleep09961-21users20:04:550
26705999216,66cyclictest22384-21munin-node22:24:230
26705999214,69cyclictest28535-21grep22:44:100
26705999213,70cyclictest15532-21munin-node22:04:220
2415329214,16sleep024156-21iostat00:09:280
2095329214,16sleep020951-21ntp_states20:39:390
1075029214,16sleep010753-21df20:09:130
26705999115,67cyclictest27474-21netstat22:39:370
26705999115,67cyclictest18987-21cpu23:54:120
26705999115,67cyclictest11744-21chrt21:50:250
26705999114,68cyclictest4304-21munin-node23:09:100
26705999114,67cyclictest9330-21sed23:24:150
26705999113,69cyclictest18800-21wget20:34:100
311029014,15sleep03118-21memory23:04:320
26705999014,67cyclictest8129-21ntp_kernel_pll_23:19:370
26705999014,66cyclictest21624-21runrttasks00:01:020
2549129013,15sleep00-21swapper19:14:190
26705998915,65cyclictest26805-21munin-node20:59:250
26705998915,65cyclictest15451-21munin-node20:24:240
26705998914,66cyclictest31672-21aten_r4power_vo19:34:100
26705998914,65cyclictest12373-21munin-node23:34:090
490728814,61sleep04934-21munin-node19:49:490
26705998614,62cyclictest219342sleep020:44:080
26705998614,36cyclictest12775-21latency21:54:310
26705998614,36cyclictest11274-21munin-node23:29:340
26705998514,62cyclictest31841-21munin-node00:34:270
26705998514,62cyclictest14341-21munin-node23:39:200
26705998514,34cyclictest30222-21munin-node00:29:460
1815028514,15sleep00-21swapper20:30:270
3002728413,15sleep00-21swapper21:09:020
26705998414,61cyclictest13180-21unixbench_singl20:14:570
26705998315,59cyclictest32031-21fschecks_time22:54:200
26705998315,58cyclictest15764-21cpu23:44:130
26705998314,60cyclictest6663-21sendmail_mailst23:14:470
109428213,16sleep01100-21df_abs22:59:130
2672928114,15sleep00-21swapper22:38:390
2435728114,56sleep024359-21munin-node20:49:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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