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2026-03-17 - 21:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 792 highest latencies:
System rack4slot2.osadl.org (updated Tue Mar 17, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501850,0irq/46-4a10000030017-21seq07:04:160
30346999871,0cyclictest25636-1kworker/u3:008:26:550
30346999674,0cyclictest19629-21runrttasks09:42:180
30346999472,0cyclictest0-21swapper07:23:050
30346999372,0cyclictest3360-21runrttasks10:29:580
30346999371,0cyclictest6810-21runrttasks12:15:080
30346999371,0cyclictest1463-21runrttasks11:58:120
30346999366,0cyclictest5697-21df_abs09:01:560
30346999358,0cyclictest0-21swapper08:12:130
30346999273,0cyclictest5033-21runrttasks10:34:400
30346999270,0cyclictest10355-21runrttasks07:41:210
30346999269,0cyclictest27445-21runrttasks11:41:140
30346999265,0cyclictest0-21swapper09:54:380
30346999261,0cyclictest11025-21if_eth007:42:110
30346999259,0cyclictest18208-21sendmail_mailst09:37:310
30346999258,0cyclictest0-21swapper10:42:140
30346999174,0cyclictest31910-21mailstats08:42:320
30346999173,0cyclictest22205-1kworker/u3:211:27:170
30346999172,0cyclictest21231-21fw_conntrack09:47:070
30346999169,0cyclictest31548-21if_eth011:52:120
30346999159,0cyclictest0-21swapper07:27:070
30346999158,0cyclictest0-21swapper08:22:300
30346999158,0cyclictest0-21swapper07:07:150
30346999075,0cyclictest14047-21aten_r4power_vo07:51:490
30346999071,0cyclictest24388-21seq09:56:510
30346999070,0cyclictest8536-21runrttasks12:20:100
30346999068,0cyclictest23154-21ntpdc08:17:220
30346999063,0cyclictest0-21swapper08:59:540
30346999062,0cyclictest0-21swapper10:10:040
30346999062,0cyclictest0-21swapper09:12:310
30346999061,0cyclictest0-21swapper08:52:130
30346999061,0cyclictest0-21swapper08:09:400
30346998970,0cyclictest7710-21meminfo09:07:190
30346998970,0cyclictest576-21df_abs07:12:150
30346998970,0cyclictest16732-21vmstat07:57:390
30346998970,0cyclictest12568-21diskstats10:57:020
30346998969,0cyclictest6811-21runrttasks10:40:100
30346998968,0cyclictest29791-21fw_forwarded_lo08:37:100
30346998968,0cyclictest28848-21runrttasks11:43:390
30346998968,0cyclictest27388-21runrttasks10:05:530
30346998962,0cyclictest0-21swapper09:17:230
30346998958,0cyclictest0-21swapper07:17:340
30346998957,0cyclictest0-21swapper12:27:260
30346998957,0cyclictest0-21swapper07:32:290
30346998868,0cyclictest9502-21nfs4_client12:22:230
30346998867,0cyclictest613-21diskstats10:22:030
30346998867,0cyclictest28065-21fw_forwarded_lo08:32:100
30346998867,0cyclictest18522-21runrttasks08:03:150
30346998866,0cyclictest15173-21runrttasks09:28:470
30346998859,0cyclictest32121-21users10:17:370
30346998859,0cyclictest16115-21fw_packets11:07:090
30346998858,0cyclictest0-21swapper12:02:120
30346998854,0cyclictest0-21swapper09:32:130
30346998771,0cyclictest12344-21egrep07:46:490
30346998770,0cyclictest17941-21latency11:12:160
30346998768,0cyclictest30888-21seq11:51:320
30346998766,0cyclictest4161-21fw_conntrack12:07:080
30346998765,0cyclictest19623-21irqstats11:17:150
30346998765,0cyclictest0-21swapper10:52:340
30346998755,0cyclictest25274-21users11:32:360
30346998672,0cyclictest12855-21meminfo09:22:180
30346998662,0cyclictest29851-21irqstats10:12:150
30346998654,0cyclictest0-21swapper10:47:140
30346998654,0cyclictest0-21swapper08:47:270
30346998566,0cyclictest13993-21/usr/sbin/munin11:01:470
30346998466,0cyclictest21113-21diskstats11:22:030
30346998463,0cyclictest12779-21irqstats12:32:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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