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2025-12-20 - 22:17
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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 Sat Dec 20, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188821770,4sleep3434899cyclictest09:19:523
334321750,3sleep20-21swapper/207:09:462
2447621680,3sleep3434899cyclictest12:24:473
106891970,36ptp4l401ktimersoftd/307:12:463
26532860,4sleep3434899cyclictest08:14:533
26532860,4sleep3434899cyclictest08:14:533
151822790,1sleep00-21swapper/009:49:400
305192620,2sleep0433099cyclictest10:19:470
20832584,40sleep00-21swapper/007:09:240
106891550,1ptp4l401ktimersoftd/309:39:043
106891490,1ptp4l401ktimersoftd/312:43:063
106891440,13ptp4l14336-21kworker/3:010:09:093
106891440,13ptp4l14336-21kworker/3:010:09:093
106891420,1ptp4l401ktimersoftd/310:16:383
106891410,1ptp4l401ktimersoftd/312:14:413
106891410,16ptp4l401ktimersoftd/310:54:573
4341994013,4cyclictest24332-21sed11:14:482
394623717,10sleep10-21swapper/107:10:471
106891370,1ptp4l401ktimersoftd/307:44:393
106891370,0ptp4l401ktimersoftd/308:19:403
4341993620,13cyclictest33-21ksoftirqd/211:08:472
4341993613,3cyclictest7539-21/usr/sbin/munin07:19:452
4341993612,4cyclictest21681-21grep07:49:232
4341993612,3cyclictest17814-21cat09:54:442
4341993612,3cyclictest13801-21expr08:39:402
106891360,1ptp4l401ktimersoftd/311:09:093
106891360,1ptp4l401ktimersoftd/309:39:413
106891360,1ptp4l401ktimersoftd/308:34:423
434199351,15cyclictest25201-21irqstats12:24:532
106891350,0ptp4l401ktimersoftd/310:47:013
4341993315,4cyclictest33-21ksoftirqd/210:02:392
4341993315,4cyclictest33-21ksoftirqd/210:02:392
4341993311,4cyclictest12654-21awk08:34:562
4330993327,3cyclictest9-21ksoftirqd/008:29:240
106891330,2ptp4l14336-21kworker/3:007:35:333
106891330,1ptp4l401ktimersoftd/312:36:093
106891330,1ptp4l401ktimersoftd/310:53:263
106891330,1ptp4l401ktimersoftd/307:54:533
4341993212,4cyclictest7941-21uptime08:24:552
4341993212,3cyclictest6990-21forks10:39:432
273202320,3sleep2311rcuc/210:14:392
106891320,1ptp4l401ktimersoftd/312:23:093
106891320,1ptp4l401ktimersoftd/311:13:353
106891320,1ptp4l401ktimersoftd/311:03:403
106891320,1ptp4l401ktimersoftd/309:49:593
106891320,1ptp4l401ktimersoftd/308:00:563
106891320,1ptp4l401ktimersoftd/307:22:433
106891320,0ptp4l401ktimersoftd/312:11:383
106891320,0ptp4l401ktimersoftd/310:38:233
4348993126,3cyclictest41-21ksoftirqd/309:44:423
4341993112,3cyclictest33-21ksoftirqd/207:39:112
106891310,1ptp4l401ktimersoftd/311:39:043
106891310,1ptp4l401ktimersoftd/310:34:063
106891310,1ptp4l401ktimersoftd/308:49:443
106891310,1ptp4l401ktimersoftd/308:45:123
106891310,1ptp4l401ktimersoftd/307:31:123
106891310,0ptp4l401ktimersoftd/311:29:443
106891310,0ptp4l401ktimersoftd/310:13:513
106891310,0ptp4l401ktimersoftd/310:13:513
106891310,0ptp4l401ktimersoftd/309:08:523
434199303,8cyclictest3650-21apt-get08:19:372
434199303,7cyclictest4351-21apt-get10:34:402
4341993012,3cyclictest19061-21if_enp1s0.108:49:432
286342300,3sleep0111rcuc/010:14:530
106891300,1ptp4l401ktimersoftd/312:32:513
106891300,1ptp4l401ktimersoftd/310:43:483
106891300,1ptp4l401ktimersoftd/308:32:283
106891300,1ptp4l401ktimersoftd/308:06:053
106891300,0ptp4l401ktimersoftd/308:58:483
106891290,0ptp4l401ktimersoftd/310:24:403
106891290,0ptp4l401ktimersoftd/309:56:123
4348992822,3cyclictest41-21ksoftirqd/307:39:433
4334992823,3cyclictest25-21ksoftirqd/108:44:241
4334992821,4cyclictest25-21ksoftirqd/107:59:371
4330992822,3cyclictest9-21ksoftirqd/010:41:210
106891280,1ptp4l401ktimersoftd/311:47:123
106891280,1ptp4l401ktimersoftd/309:19:233
106891280,1ptp4l401ktimersoftd/308:59:293
4348992722,3cyclictest41-21ksoftirqd/310:24:263
4341992721,3cyclictest33-21ksoftirqd/211:21:282
4334992721,4cyclictest25-21ksoftirqd/107:39:231
4334992721,3cyclictest25-21ksoftirqd/112:20:071
4334992720,4cyclictest25-21ksoftirqd/111:59:401
4334992720,4cyclictest25-21ksoftirqd/111:59:401
4330992720,4cyclictest9-21ksoftirqd/010:38:420
4330992720,4cyclictest9-21ksoftirqd/008:19:150
4330992720,4cyclictest9-21ksoftirqd/008:19:150
4330992720,4cyclictest28750-21ls12:34:300
106891270,1ptp4l401ktimersoftd/309:12:513
106891270,1ptp4l401ktimersoftd/307:25:033
106891270,10ptp4l401ktimersoftd/311:27:063
106891270,10ptp4l401ktimersoftd/309:59:273
106891270,10ptp4l401ktimersoftd/309:59:273
4341992620,3cyclictest33-21ksoftirqd/209:37:162
4341992619,4cyclictest33-21ksoftirqd/212:39:442
4341992619,4cyclictest33-21ksoftirqd/212:37:192
4341992619,4cyclictest33-21ksoftirqd/212:04:232
4341992619,4cyclictest33-21ksoftirqd/212:04:232
4341992619,4cyclictest33-21ksoftirqd/211:58:172
4341992619,4cyclictest33-21ksoftirqd/209:30:512
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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