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2026-04-06 - 04:05
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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 Mon Apr 06, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2191921750,5sleep11687999cyclictest01:08:421
2191921750,5sleep11687999cyclictest01:08:421
2144821700,5sleep21688899cyclictest00:34:022
3126321670,4sleep21688899cyclictest23:38:542
1516321540,4sleep31689399cyclictest00:28:453
1068911460,5ptp4l401ktimersoftd/320:08:383
218032760,63sleep346850irq/99-ens3-TxR01:08:403
218032760,63sleep346850irq/99-ens3-TxR01:08:403
193802630,4sleep31689399cyclictest01:05:033
16893996149,7cyclictest41-21ksoftirqd/320:38:363
95642590,4sleep0101ktimersoftd/000:55:080
106891590,1ptp4l401ktimersoftd/300:00:383
151492584,41sleep00-21swapper/020:08:410
134072580,3sleep233-21ksoftirqd/201:33:082
106891580,1ptp4l401ktimersoftd/322:36:373
106891560,1ptp4l401ktimersoftd/323:23:353
106891550,1ptp4l401ktimersoftd/322:24:133
106891550,1ptp4l401ktimersoftd/301:41:033
215822540,2sleep30-21swapper/321:28:393
16893995444,5cyclictest41-21ksoftirqd/321:08:363
106891540,1ptp4l401ktimersoftd/323:51:333
26572510,2sleep30-21swapper/320:48:403
239382490,3sleep09-21ksoftirqd/021:33:380
16893994935,3cyclictest41-21ksoftirqd/322:58:413
16893994828,9cyclictest41-21ksoftirqd/300:53:593
1689399479,3cyclictest41-21ksoftirqd/301:14:033
16893994739,4cyclictest41-21ksoftirqd/323:33:323
16893994739,4cyclictest41-21ksoftirqd/323:33:323
16893994735,3cyclictest41-21ksoftirqd/323:33:273
16893994735,3cyclictest41-21ksoftirqd/323:33:273
16893994722,4cyclictest41-21ksoftirqd/323:46:163
16893994638,4cyclictest41-21ksoftirqd/321:43:373
16893994623,4cyclictest41-21ksoftirqd/322:28:533
16893994623,4cyclictest41-21ksoftirqd/301:33:463
16893994622,4cyclictest41-21ksoftirqd/322:19:053
16893994622,4cyclictest41-21ksoftirqd/300:04:533
16893994621,4cyclictest41-21ksoftirqd/322:54:023
106891460,1ptp4l401ktimersoftd/322:47:213
16893994537,4cyclictest41-21ksoftirqd/320:28:363
16893994522,7cyclictest41-21ksoftirqd/323:08:463
16893994521,4cyclictest41-21ksoftirqd/323:39:503
16893994513,9cyclictest41-21ksoftirqd/300:08:513
16893994420,4cyclictest41-21ksoftirqd/301:21:153
16893994419,4cyclictest41-21ksoftirqd/323:54:013
16893994419,4cyclictest41-21ksoftirqd/322:14:313
16893994419,4cyclictest41-21ksoftirqd/300:34:203
16893994419,4cyclictest41-21ksoftirqd/300:17:003
16893994418,4cyclictest41-21ksoftirqd/300:43:003
106891440,1ptp4l401ktimersoftd/323:16:593
16893994321,4cyclictest41-21ksoftirqd/300:51:003
16893994320,4cyclictest41-21ksoftirqd/320:23:343
16893994320,4cyclictest41-21ksoftirqd/320:18:443
16893994320,4cyclictest41-21ksoftirqd/301:01:373
16893994319,4cyclictest41-21ksoftirqd/323:04:163
16893994319,4cyclictest41-21ksoftirqd/322:49:203
16893994319,4cyclictest41-21ksoftirqd/300:24:583
1689399423,4cyclictest121rcu_preempt22:43:273
16893994231,4cyclictest41-21ksoftirqd/323:21:053
16893994226,13cyclictest41-21ksoftirqd/321:53:443
16893994223,7cyclictest41-21ksoftirqd/321:18:553
106891420,1ptp4l401ktimersoftd/321:59:163
1689399415,7cyclictest41-21ksoftirqd/300:43:453
16893994118,4cyclictest41-21ksoftirqd/320:13:503
16888994116,21cyclictest24205-21gltestperf21:33:402
1689399405,7cyclictest41-21ksoftirqd/321:13:363
16893994021,7cyclictest41-21ksoftirqd/300:18:433
16893994016,4cyclictest41-21ksoftirqd/301:26:263
16893994012,8cyclictest41-21ksoftirqd/321:38:563
16893994011,7cyclictest41-21ksoftirqd/321:03:523
1688899402,35cyclictest19327-21grep22:53:552
25682390,5sleep02573-21gltestperf00:48:460
1689399397,4cyclictest41-21ksoftirqd/321:50:103
1689399397,4cyclictest41-21ksoftirqd/321:50:103
1689399395,5cyclictest41-21ksoftirqd/320:44:063
16893993931,4cyclictest41-21ksoftirqd/322:03:303
16893993916,4cyclictest41-21ksoftirqd/321:33:433
1689399385,3cyclictest41-21ksoftirqd/301:28:463
16888993812,22cyclictest12282-21acpi23:53:382
16893993713,4cyclictest41-21ksoftirqd/320:58:253
1688899373,8cyclictest14806-21ssh23:23:392
1688899371,5cyclictest0-21swapper/221:03:352
1689399364,7cyclictest41-21ksoftirqd/320:33:373
16893993619,9cyclictest41-21ksoftirqd/321:02:453
1689399361,8cyclictest10164-21chrt22:12:553
1688899362,6cyclictest0-21swapper/223:33:392
1688899362,6cyclictest0-21swapper/223:33:392
1688899362,6cyclictest0-21swapper/200:03:392
16888993613,20cyclictest233-21systemd-journal21:13:252
44612350,19sleep09-21ksoftirqd/001:23:430
16893993529,3cyclictest41-21ksoftirqd/321:23:423
1688899353,4cyclictest0-21swapper/223:03:422
1688899353,26cyclictest9723-21ssh00:23:392
1688899353,26cyclictest0-21swapper/220:23:352
1688899352,5cyclictest0-21swapper/220:53:352
1688899351,31cyclictest31003-21cpuspeed_turbos21:48:372
1688899351,31cyclictest31003-21cpuspeed_turbos21:48:372
1646923515,10sleep125-21ksoftirqd/120:09:311
1688899342,7cyclictest10629-21apt-get22:13:382
1688899342,5cyclictest0-21swapper/220:18:352
16888993412,19cyclictest32276-21sh23:08:302
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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