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2025-11-13 - 21:03
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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 Thu Nov 13, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172659911638cyclictest0-21swapper/005:08:150
17265991018cyclictest0-21swapper/008:23:050
17265991008cyclictest0-21swapper/006:33:560
172659910077cyclictest0-21swapper/005:12:310
17265999876cyclictest0-21swapper/006:57:570
17265999875cyclictest0-21swapper/007:11:190
17265999816cyclictest0-21swapper/005:37:410
1726599979cyclictest0-21swapper/008:12:290
1726599979cyclictest0-21swapper/006:49:210
22150960irq/18-spi_topc1726599cyclictest05:27:000
1726599968cyclictest0-21swapper/005:16:290
17265999617cyclictest0-21swapper/005:43:050
1726599958cyclictest0-21swapper/004:18:430
17265999574cyclictest0-21swapper/003:56:550
17265999572cyclictest0-21swapper/005:44:310
17265999514cyclictest8264-21rm05:57:140
17265999514cyclictest8264-21rm05:57:140
22150940irq/18-spi_topc1726599cyclictest06:44:570
1726599938cyclictest0-21swapper/008:03:540
17265999372cyclictest0-21swapper/003:51:510
1726599929cyclictest0-21swapper/007:53:430
17265999283cyclictest6950irq/18-mmc003:09:150
1726599928cyclictest0-21swapper/003:30:240
17265999257cyclictest0-21swapper/006:23:260
17265999181cyclictest6950irq/18-mmc003:05:490
17265999163cyclictest0-21swapper/005:19:020
17265999110cyclictest0-21swapper/006:05:250
17265999110cyclictest0-21swapper/003:37:290
17265999081cyclictest6950irq/18-mmc006:00:290
1726599899cyclictest0-21swapper/008:18:040
17265998968cyclictest0-21swapper/003:22:500
1726599896cyclictest0-21swapper/007:28:470
22150880irq/18-spi_topc1726599cyclictest07:43:480
22150880irq/18-spi_topc1726599cyclictest05:50:200
1726599889cyclictest0-21swapper/007:18:530
17265998874cyclictest10290-21/usr/sbin/munin05:29:110
17265998824cyclictest31ksoftirqd/004:08:510
17265998814cyclictest15907-21/usr/sbin/munin06:58:460
17265998813cyclictest20370-21latency_hist03:03:290
17265998811cyclictest22661-21/usr/sbin/munin04:53:480
1726599879cyclictest0-21swapper/006:29:520
17265998765cyclictest0-21swapper/006:39:060
17265998761cyclictest0-21swapper/006:12:560
22150860irq/18-spi_topc1726599cyclictest04:48:430
17265998644cyclictest0-21swapper/007:13:560
1726599863cyclictest326-21runrttasks06:18:250
17265998576cyclictest6950irq/18-mmc004:48:330
17265998576cyclictest6950irq/18-mmc002:56:440
17265998575cyclictest6950irq/18-mmc003:24:160
17265998521cyclictest28455-21sh06:24:060
17265998516cyclictest31ksoftirqd/004:59:030
17265998514cyclictest14797-21diskstats04:28:520
1726599848cyclictest24453-21ntp_offset03:13:590
1726599848cyclictest0-21swapper/007:49:190
1726599848cyclictest0-21swapper/007:33:380
17265998473cyclictest6950irq/18-mmc004:33:470
1726599838cyclictest0-21swapper/007:43:370
17265998345cyclictest0-21swapper/007:08:070
17265998322cyclictest31ksoftirqd/007:59:030
1726599828cyclictest5739-21if_can003:58:560
17265998271cyclictest6950irq/18-mmc004:24:060
17265998271cyclictest6950irq/18-mmc004:24:060
1726599808cyclictest0-21swapper/007:27:270
17265998068cyclictest780-21diskstats03:43:500
1726599801cyclictest10701-21ntp_offset04:14:050
6950780irq/18-mmc05659-21wc05:26:551
22150780irq/18-spi_topc1726599cyclictest04:38:460
1726599787cyclictest7485-21memory04:04:010
22150770irq/18-spi_topc1726599cyclictest03:39:090
6950730irq/18-mmc019613-21whetstone-doubl03:26:551
1697517249sleep0-21swapper/102:49:411
1799700migration/15560-21/usr/sbin/munin06:39:201
6950660irq/18-mmc012836-21latency_hist04:23:321
6950660irq/18-mmc012836-21latency_hist04:23:321
33950660irq/43-eth020918-21ssh06:10:141
33950660irq/43-eth014778-21execl05:36:291
5350640irq/18-pch-dma15726-21runrttasks07:53:541
33950640irq/43-eth07852-21spawn05:51:211
1727199648cyclictest0-21swapper/107:02:321
1727199639cyclictest0-21swapper/105:13:381
1727199638cyclictest0-21swapper/107:41:231
17265996352cyclictest17223-21latency_hist02:53:290
1727199629cyclictest0-21swapper/105:12:551
1727199628cyclictest0-21swapper/107:32:461
1727199627cyclictest0-21swapper/106:06:501
17271996216cyclictest0-21swapper/105:07:231
33950610irq/43-eth08467-21od05:57:231
33950610irq/43-eth08467-21od05:57:231
33950610irq/43-eth030724-21kernelversion08:19:081
1727199618cyclictest0-21swapper/108:08:151
1727199618cyclictest0-21swapper/106:49:271
17271996115cyclictest0-21swapper/107:08:541
33950600irq/43-eth010267-21ssh05:29:111
17271996011cyclictest0-21swapper/108:02:181
33950590irq/43-eth04514-21context105:18:381
33950590irq/43-eth014505-21multi.sh06:00:161
33950590irq/43-eth00-21swapper/106:23:591
1727199598cyclictest0-21swapper/106:33:041
17271995910cyclictest0-21swapper/107:13:481
33950580irq/43-eth08513-21ssh06:44:271
33950580irq/43-eth04253-21ssh07:33:591
1727199587cyclictest0-21swapper/107:06:021
33950570irq/43-eth029503-21ssh07:21:221
33950570irq/43-eth019613-21whetstone-doubl04:59:101
33950570irq/43-eth019195-21/usr/sbin/munin04:43:541
33950570irq/43-eth014998-21ssh07:52:511
1727199579cyclictest0-21swapper/105:44:111
1727199578cyclictest0-21swapper/107:45:061
1727199576cyclictest0-21swapper/108:13:481
17271995710cyclictest0-21swapper/107:24:141
1699570watchdog/1480-21systemd-journal04:58:321
1727199568cyclictest0-21swapper/106:57:121
1727199568cyclictest0-21swapper/106:34:081
17271995610cyclictest0-21swapper/105:38:511
6950550irq/18-mmc022361-21ssh06:13:501
33950550irq/43-eth00-21swapper/106:19:161
1727199557cyclictest0-21swapper/108:10:101
1799540migration/117330-21runrttasks04:35:391
1699530watchdog/1480-21systemd-journal04:33:311
1699530watchdog/124749-21/usr/sbin/munin03:14:091
1699530watchdog/119613-21whetstone-doubl04:38:511
1699530watchdog/119613-21whetstone-doubl03:54:101
33950520irq/43-eth08280-21/usr/sbin/munin04:08:591
1699520watchdog/1480-21systemd-journal03:33:291
1699520watchdog/119613-21whetstone-doubl03:03:481
1699520watchdog/119613-21whetstone-doubl02:58:481
33950510irq/43-eth019613-21whetstone-doubl03:59:101
17271995110cyclictest0-21swapper/103:48:551
1699510watchdog/17560-21ntpdc04:04:021
1699510watchdog/119613-21whetstone-doubl04:48:591
1699510watchdog/119613-21whetstone-doubl04:13:461
1699510watchdog/119613-21whetstone-doubl03:44:061
33950500irq/43-eth022042-21/usr/sbin/munin03:08:571
33950500irq/43-eth019613-21whetstone-doubl02:53:521
33950500irq/43-eth00-21swapper/103:23:041
1727199497cyclictest0-21swapper/103:36:571
1699490watchdog/119613-21whetstone-doubl04:19:031
1699490watchdog/119613-21whetstone-doubl03:38:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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