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2026-03-15 - 21:12
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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 highest latencies:
System rack9slot4.osadl.org (updated Sun Mar 15, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19547112173sleep0-21swapper/103:28:541
19684991197cyclictest0-21swapper/004:58:570
19684991197cyclictest0-21swapper/004:58:570
19684991137cyclictest0-21swapper/006:19:350
19684991133cyclictest27930-21fschecks_count03:54:290
19684991117cyclictest0-21swapper/005:04:250
19684991108cyclictest0-21swapper/008:39:190
19684991104cyclictest12941-21cat04:49:310
19684991103cyclictest4792-21latency_hist06:08:560
19684991103cyclictest21324-21fschecks_time08:44:250
19684991103cyclictest21324-21fschecks_time08:44:250
196849910857cyclictest6363-21latency_hist06:13:550
19684991078cyclictest0-21swapper/004:03:590
19684991073cyclictest296-21snmpd06:29:580
19684991067cyclictest0-21swapper/007:43:530
196849910658cyclictest0-21swapper/003:49:280
19469110670sleep0-21swapper/003:28:520
19684991047cyclictest0-21swapper/008:29:180
19684991047cyclictest0-21swapper/004:38:580
196849910411cyclictest0-21swapper/006:54:280
19684991025cyclictest31306-21latency_hist07:33:520
19684991018cyclictest0-21swapper/004:14:290
19684991017cyclictest0-21swapper/006:44:590
19684991008cyclictest0-21swapper/004:25:030
19684991003cyclictest14619-21aten2.4-expect08:24:130
1968499999cyclictest0-21swapper/007:28:530
1968499997cyclictest0-21swapper/008:55:590
1968499997cyclictest0-21swapper/008:34:290
19684999946cyclictest33150irq/43-eth005:34:260
1968499988cyclictest0-21swapper/008:23:510
1968499978cyclictest22163-21needreboot03:34:390
1968499978cyclictest0-21swapper/005:09:330
19684999755cyclictest0-21swapper/005:28:570
19684999747cyclictest7494-21latency_hist04:33:580
1968499968cyclictest0-21swapper/008:13:510
1968499967cyclictest0-21swapper/006:59:210
1968499963cyclictest18006-21interrupts06:49:290
1968499958cyclictest0-21swapper/003:29:040
1968499953cyclictest21602-21latency_hist05:18:560
1968499949cyclictest0-21swapper/003:59:390
19684999457cyclictest0-21swapper/004:59:320
1968499943cyclictest14090-21latency_hist06:38:540
19684999415cyclictest0-21swapper/005:39:180
1968499939cyclictest0-21swapper/008:49:180
1968499918cyclictest0-21swapper/007:14:440
1968499907cyclictest0-21swapper/008:03:550
1968499907cyclictest0-21swapper/003:48:430
19684999056cyclictest0-21swapper/007:49:300
1968499903cyclictest74-21mmcqd/005:48:560
19684998955cyclictest0-21swapper/005:29:320
19684998937cyclictest0-21swapper/008:14:380
1968499889cyclictest0-21swapper/007:08:530
1968499888cyclictest0-21swapper/005:59:180
1968499887cyclictest0-21swapper/006:23:580
1968499877cyclictest0-21swapper/007:34:150
1968499877cyclictest0-21swapper/006:39:570
1968499877cyclictest0-21swapper/003:39:220
1968499873cyclictest74-21mmcqd/007:59:220
1968499869cyclictest0-21swapper/004:39:300
1968499868cyclictest0-21swapper/007:44:260
1968499868cyclictest0-21swapper/005:54:180
1968499859cyclictest0-21swapper/005:49:170
1968499857cyclictest0-21swapper/007:09:520
1968499857cyclictest0-21swapper/007:09:520
1968499857cyclictest0-21swapper/004:19:470
1968499848cyclictest0-21swapper/004:09:330
1968499847cyclictest0-21swapper/007:54:410
1968499847cyclictest0-21swapper/006:09:260
19684998443cyclictest0-21swapper/005:19:390
1968499823cyclictest74-21mmcqd/004:44:350
19684998212cyclictest0-21swapper/007:19:150
7050810irq/18-mmc10-21swapper/104:19:361
23550810irq/18-spi_topc1968999cyclictest08:53:531
23550770irq/18-spi_topc191ksoftirqd/104:28:581
23550760irq/18-spi_topc191ksoftirqd/103:34:391
7050690irq/18-mmc1191ksoftirqd/106:35:041
6950650irq/18-mmc0191ksoftirqd/104:58:571
6950650irq/18-mmc0191ksoftirqd/104:58:571
19689996224cyclictest0-21swapper/108:14:291
23550610irq/18-spi_topc1968999cyclictest03:43:481
23550600irq/18-spi_topc1968999cyclictest08:19:451
23550600irq/18-spi_topc1968999cyclictest05:00:021
1968999608cyclictest0-21swapper/107:04:171
19689996018cyclictest0-21swapper/104:34:361
23550590irq/18-spi_topc1968999cyclictest07:35:561
23550590irq/18-spi_topc1968999cyclictest05:21:001
19689995919cyclictest0-21swapper/107:39:361
1799590migration/130633-21missed_timers07:29:331
1968999586cyclictest0-21swapper/103:33:591
19689995815cyclictest0-21swapper/105:14:441
23550570irq/18-spi_topc1968999cyclictest08:33:541
19689995721cyclictest0-21swapper/106:40:261
19689995719cyclictest0-21swapper/106:14:361
19689995710cyclictest0-21swapper/103:44:431
1799560migration/13534-21latency_hist07:48:521
33150550irq/43-eth014620-21aten_r9power_en08:24:131
1968999559cyclictest0-21swapper/106:49:251
1968999559cyclictest0-21swapper/104:09:341
1968999559cyclictest0-21swapper/103:49:211
19689995524cyclictest0-21swapper/108:04:321
19689995512cyclictest0-21swapper/107:59:391
19689995511cyclictest0-21swapper/106:29:311
1699550watchdog/15825-21/usr/sbin/munin06:09:401
1968999549cyclictest0-21swapper/107:49:341
1968999549cyclictest0-21swapper/107:14:371
1968999549cyclictest0-21swapper/105:59:321
1968999549cyclictest0-21swapper/105:09:241
1968999548cyclictest0-21swapper/105:39:321
1968999546cyclictest0-21swapper/105:27:361
19689995416cyclictest0-21swapper/107:19:141
19689995410cyclictest0-21swapper/104:44:281
1799540migration/123862-21latency_hist08:53:501
1699540watchdog/1296-21snmpd05:49:211
1968999539cyclictest0-21swapper/108:44:311
1968999539cyclictest0-21swapper/108:44:311
1968999539cyclictest0-21swapper/108:29:171
1968999539cyclictest0-21swapper/108:09:181
1968999539cyclictest0-21swapper/107:54:341
1968999539cyclictest0-21swapper/107:09:231
1968999539cyclictest0-21swapper/107:09:231
1968999539cyclictest0-21swapper/106:59:221
1968999539cyclictest0-21swapper/106:24:211
1968999539cyclictest0-21swapper/105:44:251
1968999539cyclictest0-21swapper/105:04:341
1968999538cyclictest0-21swapper/108:39:201
1968999538cyclictest0-21swapper/106:19:311
1968999538cyclictest0-21swapper/105:34:361
1968999538cyclictest0-21swapper/104:49:361
1968999538cyclictest0-21swapper/104:29:401
1968999538cyclictest0-21swapper/104:14:371
1968999538cyclictest0-21swapper/104:04:241
19689995331cyclictest0-21swapper/106:54:191
19689995311cyclictest0-21swapper/106:44:251
1799530migration/19989-21missed_timers04:39:371
1799530migration/13822-21/usr/sbin/munin06:04:281
1699530watchdog/128454-21/usr/sbin/munin03:54:401
1699530watchdog/125384-21/usr/sbin/munin05:29:291
1699530watchdog/11353-21runrttasks05:55:131
1968999529cyclictest0-21swapper/107:24:181
1968999529cyclictest0-21swapper/103:59:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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