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2025-10-21 - 17:01
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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 all highest latencies:
System rack9slot4.osadl.org (updated Tue Oct 21, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18763112075sleep0-21swapper/100:18:251
19084991119cyclictest0-21swapper/002:34:100
53501070irq/18-pch-dma18416-21/usr/sbin/munin00:18:200
1908499988cyclictest0-21swapper/001:28:540
1908499979cyclictest0-21swapper/004:49:170
1908499929cyclictest0-21swapper/002:39:070
1908499918cyclictest0-21swapper/004:39:190
19084999179cyclictest74-21mmcqd/001:38:380
19084999157cyclictest0-21swapper/005:15:350
5350900irq/18-pch-dma0-21swapper/004:44:590
1908499899cyclictest0-21swapper/005:29:100
1908499898cyclictest0-21swapper/002:09:050
1908499898cyclictest0-21swapper/001:18:530
1908499897cyclictest0-21swapper/000:54:020
1908499887cyclictest0-21swapper/004:54:090
1908499887cyclictest0-21swapper/003:27:560
19084998827cyclictest0-21swapper/002:43:520
19084998827cyclictest0-21swapper/002:43:520
6950870irq/18-mmc074-21mmcqd/002:29:250
1908499878cyclictest0-21swapper/005:34:100
1908499878cyclictest0-21swapper/005:24:350
1908499877cyclictest0-21swapper/003:13:500
1908499877cyclictest0-21swapper/003:13:500
1908499868cyclictest0-21swapper/005:19:150
1908499867cyclictest0-21swapper/005:45:350
19084998621cyclictest0-21swapper/003:22:310
5350850irq/18-pch-dma0-21swapper/001:08:530
1908499858cyclictest0-21swapper/003:43:570
1908499858cyclictest0-21swapper/001:54:130
1908499848cyclictest0-21swapper/004:26:330
1908499847cyclictest0-21swapper/003:59:070
1908499838cyclictest0-21swapper/001:03:530
1908499837cyclictest0-21swapper/005:12:590
1908499837cyclictest0-21swapper/000:19:000
1908499828cyclictest0-21swapper/004:19:280
1908499828cyclictest0-21swapper/003:54:070
1908499828cyclictest0-21swapper/001:13:540
1908499827cyclictest0-21swapper/005:08:350
1908499827cyclictest0-21swapper/003:51:570
1908499818cyclictest0-21swapper/004:09:150
1908499818cyclictest0-21swapper/003:08:360
1908499817cyclictest0-21swapper/004:35:590
1908499817cyclictest0-21swapper/002:48:460
19084998120cyclictest0-21swapper/002:13:500
1908499808cyclictest0-21swapper/002:58:550
1908499808cyclictest0-21swapper/002:03:540
1908499804cyclictest74-21mmcqd/000:53:360
5350790irq/18-pch-dma74-21mmcqd/003:10:000
1908499788cyclictest0-21swapper/002:24:010
1908499787cyclictest0-21swapper/003:33:030
1908499778cyclictest0-21swapper/005:43:350
1908499778cyclictest0-21swapper/003:38:310
1908499778cyclictest0-21swapper/000:44:010
1908499777cyclictest0-21swapper/000:58:570
1908499777cyclictest0-21swapper/000:58:570
1908499767cyclictest0-21swapper/003:38:520
1908499767cyclictest0-21swapper/000:27:250
1908499767cyclictest0-21swapper/000:27:250
19084997636cyclictest0-21swapper/004:08:160
1908499758cyclictest0-21swapper/001:48:540
1908499758cyclictest0-21swapper/000:38:580
1908499758cyclictest0-21swapper/000:34:070
1908499757cyclictest0-21swapper/004:18:430
1908499747cyclictest0-21swapper/000:29:010
1908499743cyclictest21926-21if_can004:59:080
1908499733cyclictest24010-21ssh02:18:390
33950720irq/43-eth00-21swapper/104:46:421
1908499728cyclictest0-21swapper/002:54:460
1908499727cyclictest0-21swapper/004:33:330
1908499727cyclictest0-21swapper/001:38:540
33950710irq/43-eth00-21swapper/105:20:511
33950710irq/43-eth00-21swapper/104:54:021
1908499717cyclictest0-21swapper/001:23:530
33950700irq/43-eth00-21swapper/102:30:111
33950690irq/43-eth00-21swapper/105:04:141
1908499688cyclictest0-21swapper/001:58:540
33950670irq/43-eth00-21swapper/102:56:181
1908499676cyclictest0-21swapper/001:43:590
33950630irq/43-eth00-21swapper/104:30:331
33950620irq/43-eth00-21swapper/103:58:141
33950620irq/43-eth00-21swapper/103:39:511
1909699617cyclictest0-21swapper/102:36:251
1909699616cyclictest0-21swapper/105:41:561
33950600irq/43-eth00-21swapper/101:24:031
1909699609cyclictest0-21swapper/104:53:271
33950590irq/43-eth021451-21cpu04:03:571
33950590irq/43-eth00-21swapper/102:38:551
1909699599cyclictest0-21swapper/100:28:521
1909699588cyclictest0-21swapper/105:16:191
33950570irq/43-eth027725-21fschecks_time03:19:061
1909699578cyclictest0-21swapper/102:21:191
33950560irq/43-eth00-21swapper/103:08:541
33950560irq/43-eth00-21swapper/100:33:481
1909699568cyclictest0-21swapper/103:45:151
33950550irq/43-eth06604-21ssh04:33:581
1909699558cyclictest0-21swapper/103:51:141
1909699556cyclictest0-21swapper/105:44:401
19096995532cyclictest0-21swapper/103:15:381
19096995532cyclictest0-21swapper/103:15:381
19096995512cyclictest0-21swapper/102:27:321
19096995511cyclictest0-21swapper/104:22:521
19096995510cyclictest0-21swapper/104:25:441
33950540irq/43-eth03909-21df_inode03:33:591
33950540irq/43-eth018279-21latency_hist03:58:421
33950540irq/43-eth013214-21/usr/sbin/munin01:44:241
1909699547cyclictest0-21swapper/103:26:291
1909699547cyclictest0-21swapper/102:50:451
1909699544cyclictest27607-21/usr/sbin/munin04:14:041
19096995412cyclictest0-21swapper/105:12:591
19096995410cyclictest0-21swapper/105:28:471
33950530irq/43-eth07486-21ntp_states02:44:141
33950530irq/43-eth07486-21ntp_states02:44:141
33950530irq/43-eth00-21swapper/104:09:121
1909699539cyclictest0-21swapper/101:29:001
1909699538cyclictest0-21swapper/103:07:491
1909699538cyclictest0-21swapper/101:54:041
19096995316cyclictest0-21swapper/104:39:431
19096995313cyclictest0-21swapper/103:30:521
19096995312cyclictest0-21swapper/105:36:361
19096995312cyclictest0-21swapper/100:54:131
19096995310cyclictest0-21swapper/101:08:541
33950520irq/43-eth022274-21ntp_states04:59:181
33950520irq/43-eth00-21swapper/102:59:171
33950520irq/43-eth00-21swapper/100:24:021
33950520irq/43-eth00-21swapper/100:24:021
1909699529cyclictest0-21swapper/101:19:101
1909699529cyclictest0-21swapper/100:49:041
1909699528cyclictest0-21swapper/101:14:531
1909699528cyclictest0-21swapper/101:04:031
19096995211cyclictest0-21swapper/102:13:261
19096995210cyclictest0-21swapper/105:24:131
19096995210cyclictest0-21swapper/102:13:571
19096995210cyclictest0-21swapper/101:39:101
19096995210cyclictest0-21swapper/100:58:511
19096995210cyclictest0-21swapper/100:58:511
1799520migration/117938-21aten_r9power_en01:58:511
1909699519cyclictest0-21swapper/102:03:531
1909699519cyclictest0-21swapper/101:48:551
1909699519cyclictest0-21swapper/101:33:531
1909699519cyclictest0-21swapper/100:38:521
1909699518cyclictest0-21swapper/100:44:031
19096995110cyclictest0-21swapper/100:18:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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