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2025-11-15 - 05:34
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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 Sat Nov 15, 2025 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30876221428,50sleep00-21swapper/019:08:350
311089917037,16cyclictest10250irq/56-4a10000019:21:470
311089917022,21cyclictest1424-21nginx21:07:480
311089916935,15cyclictest10250irq/56-4a10000022:37:240
311089916931,14cyclictest10250irq/56-4a10000019:51:530
311089916633,30cyclictest31578-21wget23:20:150
311089916627,19cyclictest1424-21nginx22:27:220
311089916436,14cyclictest10250irq/56-4a10000000:03:540
311089916431,14cyclictest10250irq/56-4a10000022:17:190
311089916345,12cyclictest8950irq/40-mmc123:45:500
311089916344,108cyclictest25018-21runrttasks20:50:450
311089916340,20cyclictest18780-21ps20:25:450
311089916147,103cyclictest25545-21iwlist22:55:530
311089916038,15cyclictest10250irq/56-4a10000020:03:220
311089915946,11cyclictest10150irq/55-4a10000021:28:410
31108991579,47cyclictest18994-21chrt22:32:090
31108991579,20cyclictest19353-21ntp_states00:35:390
311089915638,17cyclictest1372-21lldpd00:15:400
311089915619,21cyclictest1424-21nginx19:12:270
311089915542,13cyclictest10150irq/55-4a10000023:26:320
311089915536,20cyclictest5802-21ntpq19:35:410
311089915536,19cyclictest21395-21runrttasks20:35:560
311089915533,11cyclictest10150irq/55-4a10000021:40:450
311089915438,12cyclictest10150irq/55-4a10000000:06:440
311089915436,19cyclictest4458-21ntpq21:35:360
311089915426,18cyclictest1356-21snmpd23:16:290
311089915337,24cyclictest8136-21latency_hist23:55:050
311089915331,19cyclictest9515-21sshd23:58:390
311089915324,26cyclictest0-21swapper/000:31:510
31108991527,38cyclictest1356-21snmpd22:46:200
311089915140,18cyclictest4722-21mailstats19:30:460
311089915140,15cyclictest2925-21/usr/sbin/munin19:25:290
311089915139,22cyclictest802-21dbus-daemon21:05:010
311089915139,17cyclictest23950-21ntpq22:50:360
31108991508,14cyclictest20589-21apt-get22:42:080
31108991507,15cyclictest19734-21diskstats20:30:250
311089915039,13cyclictest10150irq/55-4a10000022:23:450
31108991498,17cyclictest7299-21diskstats19:40:360
311089914947,90cyclictest12642-21/usr/sbin/munin00:10:330
311089914942,18cyclictest29628-21runrttasks23:11:120
311089914935,17cyclictest368-21ntpq19:15:410
311089914933,14cyclictest10150irq/55-4a10000023:05:180
311089914929,26cyclictest1424-21nginx21:47:130
31108991487,19cyclictest15320-21wget00:20:160
311089914843,17cyclictest13850-21runrttasks22:14:090
311089914833,18cyclictest266842chrt20:58:290
311089914743,18cyclictest17565-21sshd00:29:460
311089914736,13cyclictest10250irq/56-4a10000021:12:560
311089914650,89cyclictest1647-21aten_r7power_vo23:30:160
311089914538,17cyclictest4950-21/usr/sbin/munin23:41:260
311089914531,17cyclictest13326-21aten_r7power_en20:05:160
311089914444,15cyclictest23477-21seq20:45:240
311089914441,18cyclictest12557-21runrttasks22:08:420
311089914436,16cyclictest8149-21runrttasks21:50:320
311089914435,15cyclictest18160-21latency_hist20:25:040
311089914341,19cyclictest22612-21swap20:40:470
311089914339,16cyclictest16425-21runrttasks20:16:110
311089914328,17cyclictest32405-21/usr/sbin/munin21:20:420
311089914239,14cyclictest1336-21runrttasks23:00:500
311089914226,23cyclictest9091-21/usr/sbin/munin21:55:180
311089914140,16cyclictest3946-21runrttasks21:34:430
311089914136,16cyclictest11236-21processes19:55:440
31108991408,33cyclictest4050-21apt-config23:40:090
311089914038,17cyclictest10694-21runrttasks22:00:350
31108991398,34cyclictest8302-21/usr/sbin/munin19:45:280
311089913937,17cyclictest31358-21forks21:15:250
311089913737,13cyclictest1336-21runrttasks20:13:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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