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2025-11-17 - 05:24
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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 50 highest latencies:
System rack3slot2.osadl.org (updated Mon Nov 17, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118674523010,4chrt1186727-21ntpq22:56:510
120524322630,3chrt1205240-21ntpq23:51:050
116246022590,2sleep01162461-21cat21:45:290
118501922480,3sleep01185020-21uname22:51:460
111747522280,3sleep01117476-21/usr/sbin/munin19:11:190
113289922190,3sleep01132901-21awk20:06:210
120148822150,2sleep01201486-21df_inode23:40:210
120381222070,3sleep01203814-21proc_pri23:47:000
111679199202175,17cyclictest1194144-21kworker/u2:000:05:300
111679199199168,19cyclictest1162428-21kworker/u2:322:30:320
111679199197167,19cyclictest1168802-21kworker/u2:022:20:080
119958721930,4chrt1199588-21cat23:35:090
114682621910,3sleep01146824-21sendmail_mailst20:56:170
111679199191160,19cyclictest1136342-21kworker/u2:020:25:050
111679199191158,20cyclictest84-21jbd2/mmcblk0p2-00:01:230
119980221880,2sleep01199825-21sort23:35:300
111679199187157,18cyclictest1216486-21kworker/u2:100:35:040
111679199186152,22cyclictest1214867-21true00:20:060
111679199185157,18cyclictest1150285-21kworker/u2:221:25:290
111679199185143,18cyclictest1176908-21kworker/u2:022:41:570
111679199182155,17cyclictest1114481-21kworker/u2:019:10:030
111679199182154,18cyclictest1141922-21kworker/u2:120:50:040
111679199182153,18cyclictest1219661-21kworker/u2:000:37:000
111679199182153,18cyclictest1147880-21kworker/u2:121:40:070
111679199179148,19cyclictest1180721-21kworker/u2:322:40:010
115214321780,2sleep01152144-21basename21:15:150
111679199178149,18cyclictest1139654-21kworker/u2:020:40:020
111679199176147,19cyclictest1166781-21kworker/u2:122:05:050
111679199175146,18cyclictest1138111-21kworker/u2:120:30:040
111679199175144,20cyclictest1151939-21kworker/u2:321:15:100
111679199175139,26cyclictest1155290-21kworker/u2:021:31:560
111679199174143,19cyclictest1151939-21kworker/u2:321:21:400
111679199173142,20cyclictest1166781-21kworker/u2:122:00:090
111679199173132,17cyclictest1187104-21kworker/u2:223:01:580
111679199172144,18cyclictest1119604-21kworker/u2:019:35:030
111679199172142,18cyclictest1194144-21kworker/u2:023:25:300
111679199171143,18cyclictest1194144-21kworker/u2:023:25:100
111679199171141,18cyclictest1147880-21kworker/u2:121:10:100
121214021700,4chrt1212133-21ntpq00:11:260
116449821700,4chrt1164492-21ntpq21:51:110
119017421690,4chrt1190176-21open_inodes23:06:540
111679199168138,19cyclictest1172369-21kworker/u2:123:12:010
111679199168137,19cyclictest1119604-21kworker/u2:019:40:080
117569521670,2sleep01175696-21ssh22:24:490
111679199167137,18cyclictest1166781-21kworker/u2:122:06:550
111679199165135,18cyclictest1172369-21kworker/u2:122:26:380
111679199164137,16cyclictest1182521-21kworker/u2:222:45:300
111679199164132,19cyclictest1116801-21kworker/u2:219:25:070
111679199163135,18cyclictest1134925-21kworker/u2:220:20:030
111679199162135,17cyclictest1213159-21kworker/u2:400:30:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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