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2026-03-10 - 18:59
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rackeslot8.osadl.org (updated Tue Mar 10, 2026 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139148822000,2sleep014-21ksoftirqd/009:40:170
14067622990,2sleep2421rcuc/209:50:162
1194114993128,1cyclictest0-21swapper/307:35:013
1194114992925,1cyclictest0-21swapper/312:15:013
1194114992219,1cyclictest0-21swapper/309:40:003
1194114992219,1cyclictest0-21swapper/309:40:003
1194114992118,1cyclictest0-21swapper/311:15:003
1194114992017,1cyclictest0-21swapper/312:40:003
1194114992017,1cyclictest0-21swapper/311:55:003
1194114992017,1cyclictest0-21swapper/311:54:593
1194114992017,1cyclictest0-21swapper/308:39:593
1194114992017,1cyclictest0-21swapper/308:30:003
1194114992013,4cyclictest1408309-21sleep09:54:593
1194114992012,6cyclictest1479028-21turbostat10:54:553
1194114991916,1cyclictest0-21swapper/309:30:003
13509602181,1sleep30-21swapper/309:10:113
119411499187,8cyclictest1260422-21turbostat08:00:013
1194114991815,1cyclictest0-21swapper/312:30:143
119411499181,13cyclictest1539916-21taskset11:35:183
119411499181,12cyclictest1601115-21chrt12:25:113
119411499180,13cyclictest1472338-21chrt10:44:563
119411499176,7cyclictest12414662sleep307:45:123
1194114991715,1cyclictest0-21swapper/311:48:443
1194114991715,1cyclictest0-21swapper/310:45:173
1194114991714,1cyclictest0-21swapper/312:00:103
1194114991714,1cyclictest0-21swapper/312:00:003
1194114991714,1cyclictest0-21swapper/311:45:003
1194114991714,1cyclictest0-21swapper/311:15:183
1194114991714,1cyclictest0-21swapper/307:35:183
1194114991714,1cyclictest0-21swapper/307:20:163
119411499171,12cyclictest1304740-21taskset08:30:193
119411499170,13cyclictest1331493-21taskset08:54:563
119411499162,11cyclictest1465975-21turbostat10:40:003
1194114991613,1cyclictest0-21swapper/311:30:223
1194114991613,1cyclictest0-21swapper/311:24:593
1194114991613,1cyclictest0-21swapper/311:06:223
1194114991613,1cyclictest0-21swapper/309:50:013
1194114991613,1cyclictest0-21swapper/309:45:013
1194114991613,1cyclictest0-21swapper/308:05:153
119411499161,12cyclictest1600519-21taskset12:21:063
119411499161,12cyclictest1488430-21taskset10:55:183
119411499161,12cyclictest1440291-21turbostat10:20:013
119411499161,12cyclictest1431767-21chrt10:10:183
119411499161,12cyclictest1427500-21turbostat10:10:013
119411499161,12cyclictest1382146-21taskset09:30:233
119411499161,12cyclictest1336934-21taskset08:55:203
119411499161,12cyclictest1318674-21sleep08:45:003
119411499161,11cyclictest1453388-21taskset10:30:063
119411499161,11cyclictest1408570-21chrt09:55:113
119411499161,11cyclictest1286351-21turbostat08:20:013
119411499160,12cyclictest1415589-21taskset10:00:153
119411499160,11cyclictest1338143-21taskset09:00:013
1194114991512,1cyclictest0-21swapper/311:00:183
1194114991512,1cyclictest0-21swapper/309:05:233
1194114991512,1cyclictest0-21swapper/308:10:183
1194114991512,1cyclictest0-21swapper/307:10:013
119411499151,12cyclictest1369765-21taskset09:23:243
119411499151,12cyclictest1363279-21taskset09:17:363
119411499151,12cyclictest1200303-21taskset07:13:163
119411499151,11cyclictest1530366-21turbostat11:30:003
119411499151,11cyclictest1446373-21chrt10:20:403
119411499151,11cyclictest1260947-21taskset08:00:143
119411499151,11cyclictest1220810-21chrt07:25:193
119411499151,11cyclictest1220810-21chrt07:25:193
119411499151,11cyclictest1202909-21chrt07:15:143
119411499150,3cyclictest1247628-21turbostat07:54:553
307598140,9rtkit-daemon1508262-21cut11:10:170
119411499141,11cyclictest1324797-21taskset08:46:263
119411499141,11cyclictest1286607-21chrt08:20:103
1194114991411,1cyclictest0-21swapper/312:15:153
119411499140,11cyclictest1575821-21taskset12:05:153
119411499140,11cyclictest1452791-21taskset10:25:333
119411499140,11cyclictest1235028-21taskset07:40:013
15690472130,4sleep01569199-21df_inode12:00:120
13840512131,4sleep01385229-21cut09:35:170
13840512131,4sleep01385229-21cut09:35:160
13697822139,3sleep01363246-21kworker/0:1+kacpi_notify09:23:390
12252492130,6sleep11227138-21latency07:30:181
307598120,8rtkit-daemon1193394-21cat07:05:241
307598120,7rtkit-daemon1444632-21cut10:20:161
12983432121,8sleep21298416-21/usr/sbin/munin08:25:222
12352302120,9sleep11235357-21grep07:40:131
307598110,5rtkit-daemon217-21plymouthd08:42:401
16000992110,9sleep21600234-21cat12:20:222
12221362110,8sleep01222291-21diskstats07:30:140
307598100,7rtkit-daemon493-21gmain08:24:181
307598100,6rtkit-daemon3256-21sendmail-mta11:24:340
307598100,6rtkit-daemon3256-21sendmail-mta11:05:090
307598100,5rtkit-daemon1593607-21awk12:15:211
307598100,5rtkit-daemon1249266-21irqstats07:50:151
307598100,3rtkit-daemon493-21gmain12:04:301
307598100,3rtkit-daemon3333005-21packagekitd08:02:141
307598100,1rtkit-daemon0-21swapper/108:09:551
15069382100,3sleep2217-21plymouthd11:10:162
13715462100,3sleep21371582-21kthreadcore09:25:182
13634682100,7sleep21363659-21latency_hist09:20:012
13240452100,7sleep11324188-21ntpq08:45:211
30759890,6rtkit-daemon217-21plymouthd10:11:381
30759890,5rtkit-daemon3333005-21packagekitd08:38:141
30759890,5rtkit-daemon217-21plymouthd10:41:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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