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2025-12-27 - 04:12
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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 Fri Dec 26, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10983292227198,19sleep20-21swapper/207:06:312
10984242223195,18sleep10-21swapper/107:07:431
10983932221192,19sleep00-21swapper/007:07:180
10982882221192,19sleep30-21swapper/307:06:013
1098765997157,2cyclictest1181737-21ThreadPoolForeg08:45:010
109877599611,59cyclictest1208835-21kworker/u8:2+efi_rts_wq10:06:333
109876599563,52cyclictest1208835-21kworker/u8:2+efi_rts_wq10:06:340
1098770995348,4cyclictest1229419-21kworker/u8:0+flush-179:010:30:261
1098775995047,2cyclictest1202749-21kworker/u8:4+flush-179:009:25:103
1098775995047,2cyclictest1137818-21kworker/u8:1+flush-179:008:00:163
1098775995039,10cyclictest1120311-21kworker/u8:2+flush-179:007:45:163
1098775995035,3cyclictest1181462-21munin-update08:45:013
1098770994946,2cyclictest1133271-21kworker/u8:3+flush-179:009:15:151
1098770994945,3cyclictest1137818-21kworker/u8:1+flush-179:009:00:281
1098775994842,4cyclictest1148211-21kworker/u8:0+flush-179:008:25:153
1098770994844,3cyclictest1137818-21kworker/u8:1+events_unbound09:40:131
1098772994742,3cyclictest1384041-21munin-limits12:35:272
1098770994744,3cyclictest1362923-21kworker/u8:4+events_unbound12:30:071
1098775994641,4cyclictest1137818-21kworker/u8:1+events_unbound08:15:233
1098775994632,13cyclictest1208835-21kworker/u8:2+flush-179:010:10:073
109877299461,44cyclictest1208835-21kworker/u8:2+efi_rts_wq10:06:342
1098765994643,2cyclictest1148211-21kworker/u8:0+events_unbound08:25:140
1098770994541,3cyclictest1356275-21apt-get12:05:121
1098775994441,2cyclictest1198405-21kworker/u8:0+flush-179:009:05:263
1098775994438,4cyclictest1298055-21/usr/share/muni11:00:133
1098775994438,4cyclictest1298055-21/usr/share/muni11:00:123
1098770994440,3cyclictest1102936-21latency_hist07:15:001
1098765994441,2cyclictest1208835-21kworker/u8:2+events_unbound09:15:240
1098765994439,3cyclictest1102945-21munin-update07:15:030
1098765994437,3cyclictest1336962-21chrome11:45:010
109876599443,40cyclictest1285129-21/usr/share/muni10:45:000
1098775994338,3cyclictest1307062-21/usr/share/muni11:10:023
1098770994340,2cyclictest1181771-21/usr/share/muni08:45:001
1098765994341,2cyclictest1089733-21kworker/u8:2+events_unbound07:10:110
1098765994340,2cyclictest1208835-21kworker/u8:2+events_unbound10:15:170
12119122420,1chrt1211909-21snmp_areswitch.09:20:023
1098775994238,3cyclictest1336958-21CacheThread_Blo11:45:003
1098775994237,4cyclictest1306752-21latency_hist11:10:013
109877299424,37cyclictest1233232-21/usr/share/muni09:45:012
1098770994239,2cyclictest1208835-21kworker/u8:2+flush-179:010:20:141
1098765994240,1cyclictest1318-21snmpd07:27:170
1098765994239,2cyclictest647964-1kworker/0:2H+kblockd07:40:520
1098775994138,2cyclictest1208835-21kworker/u8:2+flush-179:011:30:053
1098775994137,3cyclictest1066970-21kworker/u8:0+flush-179:007:35:133
1098775994135,5cyclictest1190438-21/usr/share/muni08:55:143
1098772994139,1cyclictest1318-21snmpd10:44:482
1098772994138,2cyclictest1302593-21kworker/2:2+pm11:20:492
1098772994138,2cyclictest1259245-21kworker/2:0+pm10:21:202
1098772994137,2cyclictest1302593-21kworker/2:2+pm11:15:122
1098772994137,2cyclictest1302593-21kworker/2:2+pm11:15:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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