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2025-07-19 - 06:20
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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 Sat Jul 19, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20968113975sleep0-21swapper/119:24:061
21033991208cyclictest0-21swapper/000:54:160
21033991184cyclictest14313-21sh00:44:460
21033991174cyclictest13447-21latency_hist00:44:160
21033991173cyclictest11194-21latency20:34:360
21033991153cyclictest10489-21latency_hist00:39:160
69501140irq/18-mmc019536-21runrttasks19:23:350
21033991148cyclictest0-21swapper/019:34:060
21033991138cyclictest0-21swapper/022:01:320
21033991133cyclictest326-21runrttasks20:32:490
21033991123cyclictest5559-21/usr/sbin/munin00:29:450
21033991118cyclictest0-21swapper/021:42:540
21033991113cyclictest28298-21latency_hist00:14:150
21033991113cyclictest1929-21latency_hist23:29:140
21033991108cyclictest0-21swapper/021:51:060
21033991104cyclictest28798-21latency_hist19:49:080
21033991103cyclictest28188-21nfs4_client19:44:370
21033991098cyclictest0-21swapper/023:38:510
21033991093cyclictest31968-21cat19:59:080
21033991093cyclictest22974-21latency_hist22:14:120
21033991074cyclictest4655-21latency_hist00:29:150
21033991074cyclictest4655-21latency_hist00:29:150
21033991073cyclictest6579-21timerandwakeup21:44:510
21033991068cyclictest0-21swapper/023:14:430
21033991063cyclictest29833-21missed_timers22:24:480
21033991059cyclictest0-21swapper/023:54:320
21033991058cyclictest0-21swapper/023:29:140
21033991058cyclictest0-21swapper/022:19:520
21033991058cyclictest0-21swapper/021:26:000
21033991053cyclictest16794-21latency_hist22:59:130
21033991048cyclictest0-21swapper/020:49:090
21033991043cyclictest304-21snmpd23:49:540
21033991038cyclictest0-21swapper/021:09:390
21033991034cyclictest21276-21latency_hist21:09:090
21033991033cyclictest24581-21cut21:19:220
21033991033cyclictest17165-21sh22:04:180
21033991028cyclictest0-21swapper/020:04:410
21033991028cyclictest0-21swapper/019:44:070
21033991024cyclictest25736-21cpuspeed00:09:300
21033991024cyclictest25736-21cpuspeed00:09:300
21033991023cyclictest25450-21rm00:09:150
21033991018cyclictest0-21swapper/022:49:180
21033991018cyclictest0-21swapper/020:14:480
21033991017cyclictest0-21swapper/019:39:070
210339910151cyclictest7050irq/18-mmc123:39:430
210339910066cyclictest6950irq/18-mmc022:34:420
210339910010cyclictest0-21swapper/023:20:230
2103399998cyclictest0-21swapper/022:39:520
2103399993cyclictest25881-21sh22:19:120
2103399988cyclictest0-21swapper/020:59:100
2103399983cyclictest19786-21latency_hist23:04:130
2103399983cyclictest15163-21/usr/sbin/munin20:49:490
2103399977cyclictest0-21swapper/023:11:250
2103399977cyclictest0-21swapper/023:11:250
21033999757cyclictest7050irq/18-mmc121:04:100
2103399974cyclictest4134-21latency_hist20:14:080
2103399973cyclictest7281-21latency_hist20:24:080
2103399973cyclictest22585-21latency_hist19:29:070
2103399968cyclictest0-21swapper/023:04:280
2103399968cyclictest0-21swapper/000:23:120
2103399968cyclictest0-21swapper/000:23:120
2103399944cyclictest618-21proc_pri21:34:500
2103399938cyclictest0-21swapper/023:59:390
2103399938cyclictest0-21swapper/021:54:410
2103399938cyclictest0-21swapper/021:14:490
2103399937cyclictest0-21swapper/021:32:530
2103399929cyclictest0-21swapper/019:59:400
2103399908cyclictest0-21swapper/023:44:490
2103399908cyclictest0-21swapper/020:39:390
2103399893cyclictest25957-21diskmemload22:44:500
2103399885cyclictest2167-21latency_hist22:34:120
22150860irq/18-spi_topc2104099cyclictest23:06:251
7050840irq/18-mmc12104099cyclictest21:32:481
2103399837cyclictest0-21swapper/020:24:230
22150760irq/18-spi_topc2104099cyclictest23:54:441
33950680irq/43-eth08124-21ssh21:48:541
21040996719cyclictest0-21swapper/123:44:541
33950660irq/43-eth04257-21/usr/sbin/munin20:14:331
22150640irq/18-spi_topc2104099cyclictest21:35:201
33950630irq/43-eth015873-21ssh00:47:521
33950620irq/43-eth03165-21ssh21:39:361
33950620irq/43-eth022973-21aten_r9power_cu21:14:211
2104099629cyclictest0-21swapper/120:39:351
21040996221cyclictest0-21swapper/120:54:411
33950610irq/43-eth05286-21aten_r9power_en22:39:231
2104099619cyclictest0-21swapper/123:24:491
2104099619cyclictest0-21swapper/121:09:511
1699610watchdog/123753-21threads00:04:581
33950600irq/43-eth015295-21/usr/sbin/munin21:59:511
33950600irq/43-eth014138-21diskstats23:49:341
33950600irq/43-eth00-21swapper/122:50:401
21040996011cyclictest0-21swapper/121:24:441
21040996011cyclictest0-21swapper/121:04:481
33950590irq/43-eth09284-21missed_timers21:49:451
33950590irq/43-eth025760-21ssh23:14:221
22150590irq/18-spi_topc2104099cyclictest23:11:251
22150590irq/18-spi_topc2104099cyclictest23:11:251
2104099599cyclictest0-21swapper/123:59:561
2104099599cyclictest0-21swapper/121:19:401
2104099599cyclictest0-21swapper/119:39:331
21040995911cyclictest0-21swapper/122:54:411
21040995910cyclictest0-21swapper/123:34:261
1799590migration/115054-21latency_hist20:49:091
1699590watchdog/130751-21ssh22:26:271
1699590watchdog/118147-21ssh00:50:561
1699590watchdog/110332-21ssh00:38:471
5350580irq/18-pch-dma0-21swapper/119:59:381
33950580irq/43-eth07370-21ssh00:33:411
33950580irq/43-eth032726-21missed_timers22:29:441
33950580irq/43-eth022024-21ssh22:11:381
2104099589cyclictest0-21swapper/121:54:301
2104099589cyclictest0-21swapper/119:29:451
2104099588cyclictest0-21swapper/123:29:401
21040995827cyclictest0-21swapper/100:41:251
21040995810cyclictest0-21swapper/119:34:351
1699580watchdog/14143-21sh22:36:281
1699580watchdog/110801-21ssh22:48:481
33950570irq/43-eth028771-21df_inode00:14:321
2104099579cyclictest0-21swapper/122:04:241
2104099579cyclictest0-21swapper/120:34:251
2104099577cyclictest0-21swapper/119:53:111
1799570migration/18876-21/usr/sbin/munin23:39:471
1799570migration/16485-21/usr/sbin/munin20:19:371
1799570migration/116159-21/usr/sbin/munin20:49:501
1699570watchdog/118250-21awk22:59:561
33950560irq/43-eth0364-21ssh00:20:191
33950560irq/43-eth0364-21ssh00:20:191
33950560irq/43-eth029399-21if_eth023:19:411
33950560irq/43-eth027361-21/usr/sbin/munin19:44:371
33950560irq/43-eth02638-21irqstats00:24:461
33950560irq/43-eth02638-21irqstats00:24:461
2104099568cyclictest0-21swapper/120:29:321
2104099567cyclictest0-21swapper/100:11:471
2104099567cyclictest0-21swapper/100:11:471
1799560migration/131350-21/usr/sbin/munin19:54:431
1699560watchdog/1304-21snmpd22:19:191
1699560watchdog/121663-21perl19:24:301
2104099559cyclictest0-21swapper/122:14:391
2104099559cyclictest0-21swapper/120:04:381
1699550watchdog/17458-21aten2.4-expect20:24:201
1699550watchdog/13455-21memory20:09:351
2104099549cyclictest0-21swapper/120:59:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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