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2025-12-06 - 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
Characteristics of the 100 highest latencies:
System rackcslot4.osadl.org (updated Sat Dec 06, 2025 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12438152238194,29sleep00-21swapper/007:05:260
12438242236193,28sleep10-21swapper/107:05:271
13021682610,6sleep10-21swapper/109:20:181
124534999612,41cyclictest1363403-21apt-get10:40:161
124534999591,40cyclictest1317002-21apt-get09:40:061
124534999591,39cyclictest1242923-21apt-get07:10:351
124534999581,39cyclictest1261647-21apt-get07:50:071
124534999580,28cyclictest1288703-21grep08:55:241
124534999579,27cyclictest1326456-21grep09:50:241
124534999571,37cyclictest1393388-21apt-get11:20:131
124534999570,46cyclictest1425983-21apt-get12:05:061
124534999570,30cyclictest1259785-21date07:45:011
125899560,5rtkit-daemon1257-21rtkit-daemon11:27:211
125899560,4rtkit-daemon1257-21rtkit-daemon11:59:590
124534999562,36cyclictest1370964-21apt-get10:50:141
124534999561,38cyclictest1348486-21apt-get10:20:191
124534999560,30cyclictest1355926-21apt-get10:30:151
124534999560,30cyclictest1332600-21unin-run10:00:011
124534999559,34cyclictest1414165-21rm11:47:131
124534999551,39cyclictest1293379-21diskmemload10:12:461
124534999551,37cyclictest1404668-21apt-get11:35:151
124534999551,30cyclictest1439981-21ssh12:23:431
124534999551,30cyclictest1408346-21grep11:40:181
124534999551,28cyclictest1314403-21/usr/sbin/munin09:35:251
124534999549,27cyclictest1444892-21basename12:30:211
124534999541,35cyclictest1321384-21apt-get09:45:151
124534999541,34cyclictest1279876-21apt-get08:35:141
124534999541,30cyclictest1337097-21/usr/sbin/munin10:05:191
124534999541,29cyclictest1415653-21apt-get11:50:131
1245349995410,24cyclictest1378642-21fschecks_count11:00:201
124534999540,41cyclictest1376925-21ssh10:57:221
124534999540,32cyclictest1311069-21sshd09:30:501
124534999540,29cyclictest1273059-21/usr/sbin/munin08:15:251
124534999540,28cyclictest1367143-21apt-get10:45:141
124534999540,28cyclictest1277014-21grep08:25:241
124534999540,27cyclictest1265196-21run-parts07:55:251
124534999536,33cyclictest1293379-21diskmemload09:25:561
124534999531,36cyclictest1419156-21apt-get11:55:141
1245349995311,30cyclictest1432690-21sh12:13:021
124534999530,36cyclictest1266191-21apt-get08:00:141
124534999530,28cyclictest1359746-21apt-get10:35:131
124534999530,27cyclictest1292620-21tr09:05:251
124534999526,24cyclictest1434638-21processes12:15:231
124534999521,36cyclictest1382071-21apt-get11:05:141
124534999521,35cyclictest1400932-21apt-get11:30:161
124534999521,30cyclictest1261629-21taskset07:49:551
124534999521,28cyclictest1441637-21ntpq12:25:231
124534999520,32cyclictest1389165-21taskset11:14:181
124534999520,30cyclictest1353079-21ssh10:25:251
124534999520,30cyclictest1297997-21grep09:15:191
124534999520,30cyclictest1290702-21grep09:00:261
124534999520,29cyclictest1274593-21grep08:20:201
124534999520,28cyclictest1344253-21apt-get10:15:131
124534999520,28cyclictest1247576-21grep07:15:021
124534999520,27cyclictest1286724-21mailstats08:50:281
124534999520,25cyclictest1294726-21taskset09:10:241
124534999511,38cyclictest1269503-21seq08:06:041
124534999511,38cyclictest1269503-21seq08:06:041
124534999510,30cyclictest1389765-21dpkg11:15:121
124534999510,30cyclictest1271630-21taskset08:12:571
124534999510,27cyclictest1423529-21grep12:00:241
124534999510,26cyclictest1332825-21apt-get10:00:151
124534999501,26cyclictest1282883-21switchtime08:40:231
124534999500,28cyclictest1285512-21runrttasks08:49:451
124534999500,28cyclictest1250345-21fschecks_time07:20:171
124534999500,27cyclictest1278688-21cat08:30:231
124534999500,27cyclictest1254247-21grep07:30:191
124534999500,26cyclictest1253206-21grep07:25:241
125899490,3rtkit-daemon1257-21rtkit-daemon10:30:030
124534999490,28cyclictest1448753-21ssh12:35:391
124534999490,28cyclictest1256220-21file07:35:181
125899420,4rtkit-daemon1257-21rtkit-daemon10:16:230
13711952400,4sleep013-21ksoftirqd/010:50:180
125899400,3rtkit-daemon1257-21rtkit-daemon08:27:490
125899360,4rtkit-daemon1257-21rtkit-daemon11:53:010
125899360,3rtkit-daemon0-21swapper/107:55:250
125899350,4rtkit-daemon1257-21rtkit-daemon07:35:100
125899350,3rtkit-daemon0-21swapper/107:44:240
125899340,4rtkit-daemon1257-21rtkit-daemon12:30:040
125899340,3rtkit-daemon1257-21rtkit-daemon09:45:240
125899340,3rtkit-daemon0-21swapper/107:45:300
125899330,3rtkit-daemon0-21swapper/111:12:390
125899320,3rtkit-daemon1257-21rtkit-daemon09:56:360
125899320,3rtkit-daemon0-21swapper/111:07:170
125899310,4rtkit-daemon1257-21rtkit-daemon11:40:030
125899310,3rtkit-daemon1257-21rtkit-daemon11:37:200
125899310,3rtkit-daemon0-21swapper/109:00:110
1245347993025,3cyclictest1283575-1kworker/0:2H09:55:010
125899290,4rtkit-daemon1257-21rtkit-daemon09:26:480
125899290,4rtkit-daemon1257-21rtkit-daemon08:12:030
125899290,3rtkit-daemon0-21swapper/108:05:500
125899290,3rtkit-daemon0-21swapper/108:05:500
125899290,1rtkit-daemon1257-21rtkit-daemon09:40:020
125899280,4rtkit-daemon0-21swapper/109:16:490
125899280,3rtkit-daemon0-21swapper/111:20:460
125899280,3rtkit-daemon0-21swapper/108:55:450
125899270,1rtkit-daemon1257-21rtkit-daemon07:27:510
1245347992723,3cyclictest1283575-1kworker/0:2H10:05:270
125899260,4rtkit-daemon1257-21rtkit-daemon09:13:080
125899260,21rtkit-daemon1245343-21cyclictest08:15:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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