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2025-07-16 - 14:13
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Wed Jul 16, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2178044992926,2cyclictest0-21swapper/119:35:001
2178041992919,9cyclictest0-21swapper/019:45:130
2178046992825,2cyclictest0-21swapper/222:40:142
217805099271,23cyclictest2454410-21apt-get23:10:123
2178041992724,2cyclictest2208798-21fwupd19:37:430
217805099261,23cyclictest2281045-21apt-get20:50:123
217805099261,21cyclictest0-21swapper/320:15:133
217804499261,21cyclictest0-21swapper/119:35:131
217804199260,20cyclictest2301155-21diskmemload22:36:050
2178050992519,4cyclictest2365144-21ssh22:00:133
217805099251,3cyclictest2428914-21/usr/sbin/munin22:50:123
217805099251,2cyclictest2275956-21apt-get20:45:153
217805099251,2cyclictest0-21swapper/323:37:413
217805099251,2cyclictest0-21swapper/321:32:133
217805099251,22cyclictest2483640-21ntpq23:30:223
217805099251,21cyclictest2518082-21apt-get00:00:133
217805099251,21cyclictest2409812-21apt-get22:35:153
217805099251,21cyclictest2301155-21diskmemload21:40:063
217805099251,21cyclictest0-21swapper/320:05:163
217805099251,20cyclictest2296345-21apt-get21:05:143
217805099250,3cyclictest2442241-21hddtemp_smartct23:00:173
217805099250,2cyclictest2301155-21diskmemload23:20:093
2178046992520,2cyclictest2543379-21apt-get00:20:142
217804699251,21cyclictest2320492-21apt-get21:25:182
217804699251,21cyclictest2260638-21apt-get20:30:152
217804699251,20cyclictest0-21swapper/219:10:182
217804699250,23cyclictest2451149-21tr23:05:182
217804699250,21cyclictest2511312-21ssh23:55:142
217804499251,21cyclictest2245381-21apt-get20:15:131
217804499250,2cyclictest2358808-21ssh21:55:141
217804499250,21cyclictest2454413-21ssh23:10:121
2178050992420,2cyclictest2384507-21apt-get22:15:133
2178050992419,4cyclictest2566572-21grep00:35:253
2178050992419,3cyclictest2301490-21apt-get21:10:173
217805099241,3cyclictest2301155-21diskmemload22:11:353
217805099241,2cyclictest2422393-21apt-get22:45:153
217805099241,22cyclictest2545088-21grep00:20:193
217805099241,21cyclictest2301155-21diskmemload22:27:413
217805099241,21cyclictest2301155-21diskmemload00:27:113
217805099241,21cyclictest2204183-21apt-get19:35:123
217805099241,21cyclictest0-21swapper/322:59:413
217805099241,20cyclictest0-21swapper/323:50:043
217805099241,20cyclictest0-21swapper/323:15:103
217805099241,20cyclictest0-21swapper/321:20:113
217805099241,1cyclictest0-21swapper/300:15:063
217805099240,2cyclictest2250476-21apt-get20:20:143
217805099240,2cyclictest0-21swapper/321:45:103
217805099240,22cyclictest2405103-21grep22:30:243
217805099240,22cyclictest2337534-21ssh21:35:213
217805099240,22cyclictest0-21swapper/323:45:103
2178046992419,3cyclictest2533531-21ssh00:10:192
217804699241,21cyclictest2209269-21apt-get19:40:122
217804699241,20cyclictest2301155-21diskmemload00:35:072
217804699241,20cyclictest0-21swapper/223:00:142
217804699240,23cyclictest2522400-21sed00:00:262
217804699240,22cyclictest2537006-21ssh00:15:082
2178044992420,2cyclictest2390850-21apt-get22:20:121
2178044992418,5cyclictest2344251-21ssh21:40:261
217804499241,20cyclictest2301155-21diskmemload23:00:131
217804499241,1cyclictest0-21swapper/123:45:431
217804499240,1cyclictest0-21swapper/121:53:071
217804199241,3cyclictest2473525-21diskstats23:25:140
217804199241,2cyclictest2562397-21apt-get00:35:140
2178050992319,2cyclictest0-21swapper/321:00:203
2178050992319,2cyclictest0-21swapper/320:10:213
2178050992319,2cyclictest0-21swapper/319:45:143
2178050992317,5cyclictest2313857-21munin-run21:20:003
217805099231,2cyclictest0-21swapper/319:54:223
217805099231,2cyclictest0-21swapper/300:10:133
217805099231,21cyclictest2301155-21diskmemload23:41:173
217805099231,21cyclictest2301155-21diskmemload00:07:173
217805099231,21cyclictest2270867-21apt-get20:40:153
217805099231,21cyclictest2255544-21apt-get20:25:143
217805099231,21cyclictest0-21swapper/322:08:483
217805099231,21cyclictest0-21swapper/321:29:383
217805099231,20cyclictest2301155-21diskmemload23:08:563
217805099231,20cyclictest0-21swapper/300:31:493
217805099230,3cyclictest2358801-21apt-get21:55:143
217805099230,21cyclictest2301155-21diskmemload23:27:343
217805099230,21cyclictest2203907-21cron19:35:013
217805099230,21cyclictest0-21swapper/319:25:153
217805099230,20cyclictest2420834-21ssh22:41:113
2178046992319,2cyclictest2301155-21diskmemload23:10:132
2178046992319,2cyclictest2214808-21apt-get19:45:132
2178046992318,3cyclictest2464712-21ntpq23:15:222
217804699231,2cyclictest0-21swapper/200:25:222
217804699231,21cyclictest2301155-21diskmemload22:11:382
217804699231,20cyclictest2301155-21diskmemload22:15:012
217804699231,20cyclictest2301155-21diskmemload21:43:002
217804699230,22cyclictest2347352-21grep21:45:182
217804699230,21cyclictest0-21swapper/220:35:142
217804699230,20cyclictest0-21swapper/223:30:102
217804699230,20cyclictest0-21swapper/220:25:132
217804699230,19cyclictest0-21swapper/221:10:162
2178044992319,3cyclictest2427339-21ssh22:46:431
2178044992319,2cyclictest2224972-21apt-get19:55:151
2178044992319,2cyclictest0-21swapper/122:25:161
217804499231,2cyclictest2496339-21ntpq23:40:221
217804499231,20cyclictest2301155-21diskmemload21:30:321
217804499231,20cyclictest0-21swapper/100:07:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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