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2025-11-19 - 17:00
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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 100 highest latencies:
System rack9slot4.osadl.org (updated Wed Nov 19, 2025 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19709991318cyclictest0-21swapper/014:42:190
19624113073sleep0-21swapper/113:46:511
19709991168cyclictest0-21swapper/014:11:540
197099911617cyclictest22445-21needreboot15:37:290
19709991158cyclictest0-21swapper/016:51:580
19709991158cyclictest0-21swapper/016:51:580
19709991137cyclictest0-21swapper/018:11:070
19709991125cyclictest7247-21latency_hist18:02:010
19709991118cyclictest0-21swapper/016:37:240
19709991118cyclictest0-21swapper/013:47:260
197099911070cyclictest6950irq/18-mmc014:37:270
19709991099cyclictest0-21swapper/015:31:560
19709991089cyclictest0-21swapper/017:14:110
19709991089cyclictest0-21swapper/015:16:560
19709991088cyclictest0-21swapper/016:07:120
19709991078cyclictest0-21swapper/019:02:190
19709991078cyclictest0-21swapper/017:02:330
197099910710cyclictest0-21swapper/015:22:300
19430110771sleep0-21swapper/013:46:410
19709991068cyclictest0-21swapper/017:23:090
19709991068cyclictest0-21swapper/016:03:380
19709991067cyclictest0-21swapper/018:03:420
19709991058cyclictest0-21swapper/018:57:340
19709991057cyclictest0-21swapper/017:51:590
19709991043cyclictest13438-21vmstat15:07:380
197099910410cyclictest16084-21latency_hist17:21:590
197099910410cyclictest0-21swapper/018:37:230
19709991034cyclictest7259-21ssh17:07:050
19709991028cyclictest0-21swapper/016:56:580
197099910158cyclictest6950irq/18-mmc016:27:320
19709991008cyclictest0-21swapper/014:21:540
19709999963cyclictest6950irq/18-mmc018:32:180
19709999810cyclictest0-21swapper/018:17:380
1970999979cyclictest0-21swapper/016:42:310
1970999969cyclictest0-21swapper/018:42:430
1970999968cyclictest0-21swapper/018:26:220
1970999963cyclictest74-21mmcqd/019:12:190
19709999610cyclictest0-21swapper/015:47:340
1970999959cyclictest0-21swapper/017:32:000
1970999958cyclictest0-21swapper/017:41:000
19709999561cyclictest6950irq/18-mmc016:17:120
1970999953cyclictest74-21mmcqd/018:12:410
1970999948cyclictest0-21swapper/016:22:410
19709999420cyclictest0-21swapper/016:34:340
1970999939cyclictest0-21swapper/018:52:290
1970999939cyclictest0-21swapper/018:51:410
1970999938cyclictest0-21swapper/015:42:240
1970999936cyclictest4154-21latency_hist17:01:580
1970999933cyclictest7601-21/usr/sbin/munin14:52:260
1970999933cyclictest21925-21latency_hist17:31:590
1970999928cyclictest0-21swapper/018:28:000
1970999925cyclictest29097-21ssh15:52:440
1970999923cyclictest304-21snmpd14:02:450
1970999919cyclictest0-21swapper/017:52:380
1970999919cyclictest0-21swapper/015:57:020
1970999918cyclictest1252-21latency_hist14:31:550
19709999154cyclictest6950irq/18-mmc014:26:540
1970999909cyclictest0-21swapper/015:05:290
1970999898cyclictest0-21swapper/019:07:340
1970999898cyclictest0-21swapper/013:57:140
1970999898cyclictest0-21swapper/013:57:140
1970999895cyclictest0-21swapper/015:36:560
1970999886cyclictest15810-21dmesg15:17:190
19709998847cyclictest74-21mmcqd/014:51:110
19709998837cyclictest29082-21wc17:42:420
19709998811cyclictest0-21swapper/016:12:240
1970999873cyclictest74-21mmcqd/013:56:530
1970999858cyclictest0-21swapper/014:57:340
19709998410cyclictest0-21swapper/014:15:140
1972299838cyclictest0-21swapper/115:07:361
1972299837cyclictest0-21swapper/118:52:441
19722998310cyclictest0-21swapper/115:52:121
1972299829cyclictest0-21swapper/117:11:011
1972299813cyclictest874-21ssh17:50:411
1970999814cyclictest2186-21needreboot14:32:240
1972299809cyclictest0-21swapper/117:04:511
1972299807cyclictest0-21swapper/119:10:091
19722998017cyclictest4777-21sh17:57:191
1972299799cyclictest0-21swapper/114:36:551
19722997927cyclictest20793-21awk13:47:301
19722997919cyclictest28791-21if_err_can018:37:281
1972299789cyclictest0-21swapper/116:32:221
1972299789cyclictest0-21swapper/116:27:161
1972299784cyclictest26631-21chrt15:49:101
19722997818cyclictest30743-21/usr/sbin/munin15:57:141
19722997813cyclictest23083-21rt-features16:37:391
1972299778cyclictest0-21swapper/118:57:311
1972299778cyclictest0-21swapper/116:21:261
1972299778cyclictest0-21swapper/114:42:061
1972299774cyclictest326-21runrttasks14:02:441
1972299774cyclictest13171-21latency_hist18:12:011
19722997737cyclictest22539-21tune2fs17:32:231
1972299773cyclictest16411-21/usr/sbin/munin17:22:151
19722997725cyclictest14193-21ssh17:17:361
19722997722cyclictest2975-21sshd16:58:351
19722997719cyclictest29080-21ps17:42:421
19722997713cyclictest26935-21ssh18:34:031
19722997710cyclictest0-21swapper/113:56:531
1972299768cyclictest0-21swapper/116:12:201
1972299768cyclictest0-21swapper/116:05:421
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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