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2026-04-10 - 04:07
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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 Fri Apr 10, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17027991213cyclictest4843-21latency_hist17:25:490
16758111375sleep0-21swapper/116:20:391
17027991129cyclictest0-21swapper/017:10:490
17027991128cyclictest0-21swapper/019:36:150
17027991118cyclictest0-21swapper/020:20:440
17027991103cyclictest23935-21latency_hist20:10:440
17027991093cyclictest22128-21grep16:36:200
17027991078cyclictest0-21swapper/019:25:460
17027991073cyclictest30351-21fschecks_count18:46:170
15574110771sleep0-21swapper/016:20:210
17027991068cyclictest0-21swapper/020:45:420
17027991067cyclictest0-21swapper/020:01:240
17027991063cyclictest19724-21/usr/sbin/munin21:41:210
17027991058cyclictest0-21swapper/019:50:450
17027991053cyclictest31054-21latency_hist17:05:490
17027991053cyclictest20151-21cat16:30:500
17027991049cyclictest0-21swapper/021:31:120
170279910484cyclictest0-21swapper/019:26:290
17027991047cyclictest0-21swapper/020:11:140
17027991047cyclictest0-21swapper/020:11:140
17027991044cyclictest20077-21kernelversion19:56:240
17027991043cyclictest22809-21if_eth118:21:240
17027991038cyclictest0-21swapper/018:45:470
170279910351cyclictest6483-21latency_hist17:30:490
17027991033cyclictest3971-21latency_hist20:50:430
17027991033cyclictest31823-21latency_hist20:35:430
17027991023cyclictest30262-21date20:30:440
17027991018cyclictest0-21swapper/018:31:200
17027991013cyclictest30261-21latency_hist20:30:440
17027991013cyclictest19333-21forks18:11:170
17027991008cyclictest0-21swapper/021:06:190
17027991008cyclictest0-21swapper/016:21:210
17027991003cyclictest5947-21if_eth019:11:210
1702799984cyclictest13051-21cat19:35:450
1702799984cyclictest13051-21cat19:35:450
1702799983cyclictest28333-21latency_hist18:40:460
1702799983cyclictest2364-21fschecks_time17:16:190
1702799983cyclictest14963-21if_eth017:56:230
1702799973cyclictest9585-21latency_hist17:40:490
1702799968cyclictest0-21swapper/018:56:200
1702799968cyclictest0-21swapper/017:11:190
17027999669cyclictest0-21swapper/017:26:250
1702799963cyclictest5350irq/18-pch-dma20:20:430
1702799963cyclictest25155-21latency_hist18:30:470
17027999617cyclictest0-21swapper/017:41:270
1702799958cyclictest0-21swapper/016:41:200
1702799953cyclictest7072-21fw_packets17:31:210
1702799953cyclictest316-21runrttasks18:07:410
17027999446cyclictest0-21swapper/020:56:180
1702799938cyclictest0-21swapper/021:01:210
1702799938cyclictest0-21swapper/019:51:140
1702799938cyclictest0-21swapper/019:51:140
1702799938cyclictest0-21swapper/017:46:210
17027999312cyclictest0-21swapper/019:06:140
1702799928cyclictest0-21swapper/017:51:300
1702799918cyclictest0-21swapper/021:20:410
1702799908cyclictest0-21swapper/016:33:370
17027998949cyclictest0-21swapper/018:16:360
1702799889cyclictest0-21swapper/016:56:240
1702799886cyclictest0-21swapper/016:48:540
1702799885cyclictest31529-21/usr/sbin/munin18:51:200
1702799883cyclictest3173-21if_eth020:46:170
1702799883cyclictest181591chrt21:36:020
1702799878cyclictest0-21swapper/019:02:140
17027998613cyclictest0-21swapper/021:21:210
1702799857cyclictest0-21swapper/019:18:390
17027998563cyclictest0-21swapper/021:11:210
1702799848cyclictest0-21swapper/021:46:160
17027998461cyclictest0-21swapper/019:41:240
1702799843cyclictest17040-21unixbench_singl18:01:360
1702799824cyclictest15527-21dmesg21:26:140
1702799823cyclictest74-21mmcqd/016:52:400
23550670irq/18-spi_topc1703999cyclictest19:59:181
23550670irq/18-spi_topc1703999cyclictest17:13:211
33150650irq/43-eth00-21swapper/119:01:061
17039996523cyclictest0-21swapper/116:21:161
6950640irq/18-mmc031401-21latency_hist18:50:471
17039996413cyclictest0-21swapper/118:26:221
17039996314cyclictest0-21swapper/119:21:291
23550620irq/18-spi_topc1703999cyclictest17:22:401
17039996210cyclictest0-21swapper/116:31:351
23550610irq/18-spi_topc1703999cyclictest20:36:381
23550610irq/18-spi_topc1703999cyclictest16:40:111
1699610watchdog/118386-21proc_pri18:06:331
1699610watchdog/114325-21/usr/sbin/munin21:21:231
23550600irq/18-spi_topc1703999cyclictest16:58:561
17039996011cyclictest0-21swapper/119:26:101
1799600migration/118497-21fschecks_count21:36:121
1699600watchdog/12515-21irqstats17:16:221
1703999599cyclictest0-21swapper/119:51:341
1703999599cyclictest0-21swapper/119:51:341
1703999599cyclictest0-21swapper/116:41:341
17039995911cyclictest0-21swapper/121:06:121
17039995911cyclictest0-21swapper/117:26:191
17039995911cyclictest0-21swapper/117:26:191
1799590migration/14191-21aten_r9power_po20:51:061
1699590watchdog/125803-21ntp_states16:46:311
23550580irq/18-spi_topc1703999cyclictest18:41:261
1703999589cyclictest0-21swapper/121:41:251
1703999587cyclictest0-21swapper/119:33:271
1703999587cyclictest0-21swapper/119:33:271
17039995813cyclictest0-21swapper/117:01:321
17039995811cyclictest0-21swapper/118:31:341
17039995811cyclictest0-21swapper/117:51:211
1699580watchdog/132077-21/usr/sbin/munin18:51:191
1699580watchdog/111922-21basename21:16:031
33150570irq/43-eth015908-21aten_r9power_cu18:01:091
1703999579cyclictest0-21swapper/121:31:181
1703999578cyclictest0-21swapper/121:27:051
1703999576cyclictest0-21swapper/121:13:121
17039995711cyclictest0-21swapper/119:06:171
17039995711cyclictest0-21swapper/117:56:331
1799570migration/124905-21ntp_kernel_pll_20:11:241
1799570migration/124905-21ntp_kernel_pll_20:11:241
1799570migration/121698-21unixbench_singl18:16:341
1699570watchdog/15836-21perl19:11:191
1699570watchdog/13684-21users20:46:321
1699570watchdog/1296-21snmpd19:17:471
1699570watchdog/11251-21df20:41:081
6950560irq/18-mmc01169-21tune2fs18:56:201
23550560irq/18-spi_topc1703999cyclictest17:06:391
1703999569cyclictest0-21swapper/121:46:191
1703999569cyclictest0-21swapper/120:56:181
1703999569cyclictest0-21swapper/120:31:281
1703999568cyclictest0-21swapper/116:26:231
1799560migration/127701-21/usr/sbin/munin18:36:281
1799560migration/127479-21/usr/sbin/munin16:51:351
1799560migration/115681-21/usr/sbin/munin19:41:321
1699560watchdog/129566-21needreboot20:26:241
1699560watchdog/123030-21ntp_states18:21:321
1703999559cyclictest0-21swapper/120:16:051
1703999559cyclictest0-21swapper/120:06:271
1703999559cyclictest0-21swapper/120:01:241
1703999559cyclictest0-21swapper/119:36:301
1703999556cyclictest0-21swapper/121:02:561
17039995510cyclictest0-21swapper/117:46:261
1799550migration/119323-21/usr/sbin/munin18:11:171
1703999549cyclictest0-21swapper/117:36:161
1703999549cyclictest0-21swapper/117:31:191
1703999547cyclictest0-21swapper/120:24:591
33150530irq/43-eth00-21swapper/119:46:071
1703999538cyclictest0-21swapper/117:41:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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