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2025-11-17 - 02:14
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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 50 highest latencies:
System rackbslot2.osadl.org (updated Sun Nov 16, 2025 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12823982233203,20sleep00-21swapper/007:09:210
12823862230201,19sleep30-21swapper/307:09:113
12823372228199,19sleep10-21swapper/107:08:331
12823232225165,19sleep20-21swapper/207:08:222
1282611996247,14cyclictest1364828-21chrome08:45:011
1282609996147,13cyclictest1468133-21MemoryInfra10:45:020
1282617995552,2cyclictest1295678-21kworker/u8:0+flush-179:007:25:283
128261799530,2cyclictest1313425-21snmp_wlanswitch07:45:003
1282614995349,3cyclictest1299949-21kworker/u8:1+events_unbound07:55:132
1282617995249,2cyclictest1413686-21kworker/u8:2+flush-179:009:55:163
1282611995238,1cyclictest1416694-21/usr/share/muni09:45:011
1282617995039,10cyclictest1386164-21kworker/u8:2+events_unbound09:30:243
1282617995039,10cyclictest1386164-21kworker/u8:2+events_unbound09:30:243
1282617994946,2cyclictest1519590-21kworker/u8:0+flush-179:012:15:293
1282617994943,4cyclictest1494350-21/usr/share/muni11:15:023
1282614994942,5cyclictest1481538-21/usr/share/muni11:00:032
1282617994643,2cyclictest1368624-21kworker/u8:4+flush-179:008:50:163
1282614994642,3cyclictest1485577-21kworker/u8:3+flush-179:011:55:142
1282609994630,15cyclictest1318-21snmpd09:38:550
1282617994441,2cyclictest1299949-21kworker/u8:1+flush-179:008:25:053
1282617994439,4cyclictest1382448-21/usr/share/muni09:05:023
1282614994440,3cyclictest1299949-21kworker/u8:1+flush-179:008:05:292
1282611994439,4cyclictest1412112-21latency_hist09:40:021
1282609994429,13cyclictest1421380-21/usr/share/muni09:50:060
15463122430,1chrt1546167-21/usr/share/muni12:15:032
1282609994337,4cyclictest1459318-21latency_hist10:35:010
1282617994238,3cyclictest1407781-21kworker/u8:4+events_unbound09:35:133
1282617994237,4cyclictest1550513-21/usr/share/muni12:20:133
1282611994226,8cyclictest1511424-21/usr/share/muni11:35:041
1282617994138,2cyclictest1386164-21kworker/u8:2+events_unbound09:25:123
1282614994137,3cyclictest1459129-21kworker/u8:3+flush-179:010:50:132
1282614994137,3cyclictest1334659-21kworker/u8:3+events_unbound08:50:012
1282611994135,4cyclictest1421116-21/usr/share/muni09:50:151
1282617994037,3cyclictest1299949-21kworker/u8:1+events_unbound08:05:133
1282617994037,2cyclictest1485577-21kworker/u8:3+flush-179:011:45:183
1282617994036,3cyclictest1334659-21kworker/u8:3+events_unbound08:35:043
1282617994035,3cyclictest1162321-1kworker/3:0H+kblockd10:00:173
1282614994038,1cyclictest1355711-21kworker/2:0+pm09:51:012
1282614994038,1cyclictest1355711-21kworker/2:0+pm08:55:292
1282614994037,2cyclictest1467536-21kworker/u8:0+events_unbound10:55:152
1282611994035,4cyclictest1456356-21apt-get10:30:081
1282611994023,15cyclictest1468158-21chrome10:45:011
1282609994036,3cyclictest1378194-21/usr/share/muni09:00:070
1282609994024,1cyclictest1318-21snmpd09:32:580
1282609994024,1cyclictest1318-21snmpd09:32:570
1282617993936,2cyclictest1429176-21kworker/u8:1+flush-179:011:10:263
1282614993938,1cyclictest1355711-21kworker/2:0+pm09:35:492
1282614993938,1cyclictest1313101-21kworker/2:1+pm08:25:182
1282614993937,1cyclictest1515244-21kworker/2:1+pm12:26:072
1282614993937,1cyclictest1515244-21kworker/2:1+pm12:26:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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