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2026-06-04 - 10:22
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot2.osadl.org (updated Thu Jun 04, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127198626360,2sleep01271985-21sort19:05:260
128616222650,2sleep01286163-21ld20:10:410
132986322490,3chrt1329796-21/usr/sbin/munin23:05:110
129551522490,3sleep01295517-21latency_hist20:55:060
130181022120,2sleep01301813-21basename21:25:010
132085422060,2sleep01320852-21users22:31:220
129411222050,4chrt1-21systemd20:50:060
129219422030,2sleep01292195-21df20:40:110
135314721990,2sleep01353150-21wc00:30:050
131749121940,3sleep01317493-21latency22:20:270
133825021780,3chrt1338248-21diskstats23:35:210
130053821780,2sleep01300540-21wc21:20:080
133189521720,4chrt1331893-21switchtime23:11:190
132588321720,3chrt1325885-21missed_timers22:50:300
131204621690,3chrt1312043-21ntpq22:00:370
127864821680,4chrt1278649-21latency_hist19:35:070
131073121580,2sleep01310732-21ld21:55:550
12729979915496,47cyclictest1288281-21kworker/u2:220:21:180
127299799151117,22cyclictest1344990-40logrotate00:00:180
130330221380,2sleep01303303-21cut21:30:070
128411321350,2sleep01284114-21/usr/sbin/munin20:00:510
127299799129100,18cyclictest1288281-21kworker/u2:220:30:000
12729979912192,20cyclictest1273491-21kworker/u2:019:20:080
130819021200,2sleep01308192-21grep21:46:170
134247121160,2sleep01342472-21if_eth023:50:220
12729979911484,20cyclictest1304604-21kworker/u2:321:35:070
12729979911180,20cyclictest1310168-21kworker/u2:222:44:170
12729979911082,19cyclictest1273491-21kworker/u2:019:15:040
12729979910679,18cyclictest1281443-21kworker/u2:119:51:160
12729979910475,20cyclictest1347550-21kworker/u2:000:15:370
12729979910474,20cyclictest1307397-21kworker/u2:021:53:010
12729979910428,18cyclictest1303783-21ntp_offset21:30:560
12729979910332,17cyclictest1348271-21runrttasks00:11:150
12729979910331,16cyclictest1334400-21ntpq23:20:510
12729979910328,18cyclictest1354990-21ldconfig00:35:400
12729979910231,16cyclictest1275666-21ntpq19:20:510
12729979910224,22cyclictest1345004-21tar00:00:010
12729979910131,17cyclictest1319061-21ntpq22:25:480
12729979910130,16cyclictest1279932-21ntp_states19:40:560
12729979910029,16cyclictest1313515-21ld22:05:530
12729979910028,18cyclictest1341021-21df23:45:130
12729979910027,17cyclictest1339952-21ntpq23:40:450
12729979910022,25cyclictest1306634-21ntpq21:41:100
1272997999931,17cyclictest1333023-21ntpq23:15:560
1272997999930,17cyclictest1321745-21ntpq22:35:300
1272997999930,16cyclictest1298885-21ntpq21:10:550
1272997999929,14cyclictest358-21snmpd21:05:320
1272997999928,18cyclictest1335625-21memory23:25:270
1272997999927,18cyclictest1314668-21kernelversion22:10:260
1272997999913,28cyclictest1290314-21ntpq20:30:310
1272997999867,20cyclictest1310168-21kworker/u2:223:02:280
1272997999830,16cyclictest1353621-21ntpq00:30:430
1272997999829,17cyclictest374-21runrttasks20:17:280
1272997999829,17cyclictest1296404-21df21:00:120
1272997999829,16cyclictest1295623-21chrt20:55:220
1272997999828,18cyclictest1327518-21ntpq22:56:110
1272997999828,17cyclictest1346921-21mailstats00:06:170
1272997999828,16cyclictest1282992-21chrt19:55:320
1272997999813,19cyclictest1276736-21runrttasks19:26:020
1272997999730,15cyclictest358-21snmpd22:45:520
1272997999714,17cyclictest1350564-21diskstats00:20:180
1272997999630,16cyclictest1317041-21runrttasks22:19:270
1272997999630,13cyclictest1279478-21apt-get19:40:090
1272997999629,17cyclictest1281145-21seq19:47:390
1272997999622,20cyclictest1285312-21runrttasks20:07:140
1272997999522,20cyclictest1291637-21runrttasks20:37:170
1272997999514,19cyclictest1337096-21ntpq23:30:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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