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2025-09-13 - 22:44
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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 Sep 13, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90939914422cyclictest14000-21latency_hist21:55:500
9002111979sleep0-21swapper/119:55:451
90939911473cyclictest0-21swapper/020:40:500
8827110873sleep0-21swapper/019:55:320
9093991078cyclictest0-21swapper/020:20:590
9093991067cyclictest0-21swapper/021:36:260
90939910663cyclictest6950irq/18-mmc000:21:260
9093991048cyclictest0-21swapper/023:55:530
9093991048cyclictest0-21swapper/023:55:530
9093991048cyclictest0-21swapper/021:05:480
90939910410cyclictest0-21swapper/022:21:020
9093991039cyclictest0-21swapper/000:26:160
90939910361cyclictest6950irq/18-mmc000:51:270
9093991018cyclictest0-21swapper/000:16:260
9093991008cyclictest0-21swapper/000:12:550
909399999cyclictest0-21swapper/020:46:190
909399999cyclictest0-21swapper/020:31:070
909399998cyclictest0-21swapper/000:38:020
909399994cyclictest480-21systemd-journal22:36:220
9093999926cyclictest29213-21sshd20:59:200
9093999912cyclictest17982-21ls22:01:230
909399988cyclictest0-21swapper/023:46:280
909399988cyclictest0-21swapper/000:45:260
909399979cyclictest0-21swapper/022:26:280
909399979cyclictest0-21swapper/021:05:500
9093999770cyclictest0-21swapper/000:55:570
9093999754cyclictest6950irq/18-mmc023:26:240
9093999651cyclictest6950irq/18-mmc023:15:520
909399963cyclictest26715-21latency01:01:270
909399959cyclictest0-21swapper/021:56:400
909399958cyclictest0-21swapper/001:10:550
909399958cyclictest0-21swapper/000:06:530
9093999533cyclictest0-21swapper/001:11:300
9093999512cyclictest0-21swapper/020:26:210
909399945cyclictest74-21mmcqd/023:36:190
9093999411cyclictest9100-21/usr/sbin/munin00:31:270
909399938cyclictest0-21swapper/022:10:500
909399938cyclictest0-21swapper/021:20:490
9093999329cyclictest0-21swapper/020:00:380
909399927cyclictest0-21swapper/022:51:390
9093999251cyclictest6950irq/18-mmc023:56:130
909399924cyclictest23639-21idleruntime22:11:140
909399923cyclictest17792-21kworker/u4:023:21:220
9093999210cyclictest0-21swapper/020:01:220
909399918cyclictest0-21swapper/020:40:470
909399908cyclictest0-21swapper/000:46:410
9093999058cyclictest26293-21ssh22:16:070
9093999010cyclictest0-21swapper/023:05:280
909399899cyclictest0-21swapper/021:31:070
909399898cyclictest0-21swapper/022:42:340
9093998953cyclictest0-21swapper/020:16:050
9093998910cyclictest0-21swapper/001:21:090
6950890irq/18-mmc04293-21ssh00:23:311
909399889cyclictest0-21swapper/001:19:330
909399889cyclictest0-21swapper/000:00:580
909399888cyclictest0-21swapper/020:06:190
9093998867cyclictest0-21swapper/022:46:300
9093998843cyclictest5304-21aten_r9power_cu23:31:040
9093998810cyclictest0-21swapper/023:41:280
909399878cyclictest0-21swapper/020:51:280
909399869cyclictest0-21swapper/023:11:030
909399869cyclictest0-21swapper/021:21:250
909399868cyclictest0-21swapper/023:10:030
909399863cyclictest326-21runrttasks21:12:250
909399859cyclictest0-21swapper/022:56:270
909399853cyclictest5429-21/usr/sbin/munin21:26:550
9093998510cyclictest0-21swapper/022:31:120
909399849cyclictest0-21swapper/021:46:250
909399848cyclictest0-21swapper/020:15:450
6950830irq/18-mmc030971-21ssh01:09:011
6950830irq/18-mmc014073-21ssh23:45:541
6950780irq/18-mmc030866-21latency_hist21:05:481
6950780irq/18-mmc00-21swapper/120:55:491
9093997765cyclictest0-21swapper/021:45:490
6950770irq/18-mmc00-21swapper/100:38:381
6950700irq/18-mmc07241-21ssh23:33:291
7050690irq/18-mmc10-21swapper/120:07:241
9104996825cyclictest326-21runrttasks20:13:411
910499678cyclictest0-21swapper/121:41:061
9104996728cyclictest6607-21diskstats21:31:071
9104996528cyclictest23330-21diskstats00:01:161
9104996526cyclictest2410-21memory21:16:181
9104996448cyclictest23030-21/usr/sbin/munin22:11:041
9104996448cyclictest19632-21sh22:05:021
9104996444cyclictest32586-21irqstats00:16:231
9104996438cyclictest0-21swapper/122:56:311
9104996428cyclictest25639-21ssh23:10:261
9104996428cyclictest1359-21ssh22:28:231
9104996427cyclictest26593-21df_inode20:51:061
9104996426cyclictest11891-21users20:01:341
9104996419cyclictest0-21swapper/123:26:381
9104996348cyclictest18796-21ssh00:47:501
9104996347cyclictest15757-21sh22:52:231
9104996345cyclictest21993-21ssh23:58:291
9104996328cyclictest304-21snmpd23:51:141
9104996328cyclictest304-21snmpd23:51:141
9104996328cyclictest28486-21ssh22:20:011
9104996326cyclictest23886-21ntp_kernel_pll_00:56:291
910499628cyclictest0-21swapper/123:16:151
9104996246cyclictest32711-21nfs4_client01:11:281
9104996246cyclictest27880-21ssh01:03:361
9104996246cyclictest12204-21ntp_states22:46:281
9104996245cyclictest30992-21ssh22:23:441
9104996242cyclictest21878-21ssh00:53:191
9104996237cyclictest0-21swapper/121:46:281
9104996228cyclictest6794-21ssh00:27:131
9104996228cyclictest21640-21/usr/sbin/munin20:36:031
9104996227cyclictest15443-21ssh00:41:411
9104996226cyclictest8943-21if_eth000:31:221
9104996226cyclictest22811-21ssh22:10:401
9104996225cyclictest9443-21df19:56:011
9104996145cyclictest7378-21ssh01:24:051
9104996145cyclictest22830-21sh23:05:471
9104996145cyclictest16109-21latency20:16:141
9104996144cyclictest20084-21/usr/sbin/munin20:31:121
9104996144cyclictest18525-21/usr/sbin/munin20:26:161
9104996143cyclictest304-21snmpd22:42:111
9104996127cyclictest24510-21chrt20:43:521
9104996126cyclictest26908-21ntp_states00:06:281
9104996125cyclictest14186-21ssh21:56:031
9104996124cyclictest31657-21kernelversion21:06:151
9104996124cyclictest28409-21ssh23:14:561
9104996045cyclictest5685-21ntp_states21:27:111
9104996044cyclictest3732-21ssh01:17:031
9104996043cyclictest2757-21fschecks_count22:31:151
9104996043cyclictest10034-21ssh23:38:031
9104996042cyclictest12779-21sh23:42:281
9104996023cyclictest7449-21ssh22:38:581
9104996023cyclictest390-21ntp_states23:21:311
9104996023cyclictest32575-21aten_r9power_en21:11:011
9104996021cyclictest4092-21ntp_states21:21:381
9104996019cyclictest13423-21ntp_states21:51:211
9104996019cyclictest0-21swapper/120:21:121
9104995944cyclictest29873-21ntp_states00:11:301
9104995924cyclictest304-21snmpd21:36:411
9104995842cyclictest25627-21ntpdc20:46:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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