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2025-12-11 - 19:50
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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 rackbslot6.osadl.org (updated Thu Dec 11, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2380021820,4sleep22400199cyclictest13:46:582
2002221790,3sleep02398999cyclictest13:43:220
2250521680,5sleep12399699cyclictest11:13:201
2250521680,5sleep12399699cyclictest11:13:201
2984421590,5sleep02398999cyclictest13:16:490
1773911000,3ptp4l401ktimersoftd/308:24:453
177391730,1ptp4l401ktimersoftd/313:55:083
177391720,1ptp4l401ktimersoftd/313:01:033
177391660,1ptp4l401ktimersoftd/313:32:253
75962650,2sleep07600-21cut08:58:220
201212640,2sleep20-21swapper/212:25:362
138292630,4sleep02398999cyclictest10:18:310
83082620,4sleep2321ktimersoftd/208:58:322
136822620,2sleep30-21swapper/313:35:313
177391600,1ptp4l401ktimersoftd/312:24:353
236392594,10sleep20-21swapper/208:24:512
177391590,1ptp4l401ktimersoftd/313:17:553
156722590,4sleep215671-21tail11:03:382
175792580,2sleep00-21swapper/009:18:250
89482570,2sleep00-21swapper/010:08:270
169322560,2sleep30-21swapper/310:28:063
23996995311,31cyclictest7066-21users10:03:451
126312510,2sleep20-21swapper/212:56:192
23996995043,4cyclictest24003-21cat08:28:031
23996995011,27cyclictest10936-21seq09:05:171
177391480,1ptp4l401ktimersoftd/311:15:563
177391480,1ptp4l401ktimersoftd/311:15:563
2399699479,35cyclictest25215-21grep13:48:251
188262470,3sleep30-21swapper/311:08:243
177391470,1ptp4l401ktimersoftd/310:37:263
23996994622,21cyclictest10513-21ssh13:33:011
177391460,1ptp4l401ktimersoftd/309:28:563
177391460,1ptp4l401ktimersoftd/309:28:563
2370924527,8sleep00-21swapper/008:25:460
177391450,1ptp4l401ktimersoftd/311:42:533
177391430,1ptp4l401ktimersoftd/311:03:093
177391430,10ptp4l401ktimersoftd/310:48:573
177391400,1ptp4l401ktimersoftd/309:53:223
2399699390,4cyclictest2457-21head08:48:191
23989993931,5cyclictest6402-21cron08:58:030
177391390,1ptp4l401ktimersoftd/313:48:413
177391390,1ptp4l401ktimersoftd/309:38:193
24001993812,23cyclictest16921-21ls09:18:212
2399699381,29cyclictest6690-21ssh11:33:191
2399699380,5cyclictest15880-21ls13:38:261
177391380,1ptp4l401ktimersoftd/313:40:193
177391380,1ptp4l401ktimersoftd/313:18:513
177391380,1ptp4l401ktimersoftd/313:08:583
177391380,1ptp4l401ktimersoftd/313:08:583
177391380,1ptp4l401ktimersoftd/311:56:093
177391380,1ptp4l401ktimersoftd/311:33:273
177391380,1ptp4l401ktimersoftd/311:26:263
177391380,1ptp4l401ktimersoftd/310:58:583
177391380,1ptp4l401ktimersoftd/310:08:253
2399699372,31cyclictest29701-21cpuspeed_turbos12:38:221
2399699370,5cyclictest15285-21snmp_o5powerctl12:58:331
177391370,1ptp4l401ktimersoftd/313:48:103
177391370,1ptp4l401ktimersoftd/313:25:043
177391370,1ptp4l401ktimersoftd/312:50:133
177391370,1ptp4l401ktimersoftd/311:58:563
177391370,1ptp4l401ktimersoftd/311:31:543
177391370,1ptp4l401ktimersoftd/311:20:483
177391370,1ptp4l401ktimersoftd/311:20:483
177391370,1ptp4l401ktimersoftd/310:55:183
177391370,1ptp4l401ktimersoftd/310:38:233
177391370,0ptp4l401ktimersoftd/312:42:513
24001993611,22cyclictest6127-21expr12:48:262
24001993611,22cyclictest3513-21cat08:48:312
24001993611,21cyclictest921-21grep09:53:212
2400199360,33cyclictest32152-21ssh11:23:302
2399699363,6cyclictest5537-21apt-get10:53:181
23996993620,13cyclictest25-21ksoftirqd/110:20:291
23996993612,20cyclictest9684-21basename12:53:251
2399699360,9cyclictest0-21swapper/112:16:281
2399699360,5cyclictest6559-21cut13:28:101
2399699360,3cyclictest7058-21basename12:48:331
177391360,1ptp4l401ktimersoftd/312:47:583
37862350,1sleep10-21swapper/109:58:251
2400999351,2cyclictest121rcu_preempt12:22:073
2400199353,8cyclictest10983-21apt-get13:33:222
2400199352,7cyclictest0-21swapper/208:33:162
2400199352,30cyclictest6457-21sort08:58:032
24001993514,18cyclictest902-21sh10:47:042
24001993513,18cyclictest9319-21latency12:13:272
2399699353,28cyclictest0-21swapper/109:53:171
23996993512,20cyclictest12165-21latency_hist10:18:061
23996993511,21cyclictest24573-21fschecks_time08:28:181
23996993511,20cyclictest17804-21grep12:23:241
2399699350,4cyclictest29653-21chrt13:16:261
23989993528,4cyclictest2686-21munin-plugin-st09:58:050
177391350,1ptp4l401ktimersoftd/312:05:193
177391350,1ptp4l401ktimersoftd/311:50:273
2400199343,9cyclictest31738-21latency_hist08:43:042
2400199341,5cyclictest1436-21/usr/sbin/munin12:03:312
2399699342,5cyclictest30769-21apt-get11:23:201
2399699342,28cyclictest0-21swapper/112:43:211
23996993418,13cyclictest25-21ksoftirqd/109:18:021
2399699341,7cyclictest25937-21apt-get10:38:181
23996993412,19cyclictest13854-21sh13:35:501
23996993411,20cyclictest27387-21cut11:18:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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