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2023-10-04 - 22:26
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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 rack7slot8 (updated Wed Oct 04, 2023 02:45:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11145220324,57sleep011121-21nodejs19:06:210
11817991729,18cyclictest29238-21nodejs20:15:340
118179917036,21cyclictest25493-21systemd-journal19:26:280
118179916941,27cyclictest3650irq/20-4900000023:59:310
118179916849,101cyclictest3650irq/20-4900000022:53:410
118179916642,12cyclictest10150irq/55-4a10000021:01:290
118179916641,13cyclictest10150irq/55-4a10000000:38:180
118179916448,97cyclictest3650irq/20-4900000020:00:540
118179916354,95cyclictest9983-21/usr/sbin/munin23:06:160
118179916342,24cyclictest12150-21df_inode19:10:450
118179916256,14cyclictest10150irq/55-4a10000022:41:380
11817991618,22cyclictest8611-21nodejs20:59:130
11817991617,16cyclictest18230-21nodejs19:34:360
118179916153,15cyclictest10150irq/55-4a10000021:31:090
11817991609,17cyclictest12436-21fw_conntrack23:15:480
11817991608,19cyclictest529-21nodejs20:30:050
118179916038,23cyclictest27734-21nodejs20:09:470
118179916025,40cyclictest17302chrt20:33:390
11817991598,22cyclictest13817-21chrt21:18:300
11817991597,21cyclictest4560-21apt-get20:49:380
118179915949,14cyclictest10150irq/55-4a10000023:25:490
118179915948,14cyclictest10150irq/55-4a10000023:04:330
118179915947,18cyclictest23658-21latency_hist19:55:080
118179915945,96cyclictest3650irq/20-4900000000:00:380
118179915854,16cyclictest21692-21/usr/sbin/munin23:51:000
118179915836,30cyclictest3650irq/20-4900000020:10:530
11817991579,16cyclictest19224-21ntp_states23:41:290
118179915755,83cyclictest101ktimersoftd/023:39:510
118179915753,94cyclictest10953-21aten_r7power_po23:10:190
118179915751,17cyclictest3257-21sendmail20:40:030
118179915746,13cyclictest10150irq/55-4a10000022:03:470
118179915745,14cyclictest10150irq/55-4a10000021:57:450
11817991568,18cyclictest29794-21diskstats00:20:400
118179915650,13cyclictest10150irq/55-4a10000022:57:510
118179915648,17cyclictest10660-21/usr/sbin/munin21:06:220
11817991558,18cyclictest25493-21systemd-journal20:43:540
118179915547,18cyclictest5280-21nodejs22:48:350
118179915547,14cyclictest10150irq/55-4a10000019:40:470
118179915545,18cyclictest15596-21aten_r7power_vo21:25:240
118179915536,20cyclictest23251-21users21:53:070
11817991549,19cyclictest814-21rs:main0
118179915447,15cyclictest3650irq/20-4900000000:11:360
118179915445,20cyclictest31740-21runrttasks22:25:410
118179915444,13cyclictest10150irq/55-4a10000019:56:450
118179915443,12cyclictest10150irq/55-4a10000020:21:520
118179915442,20cyclictest15230-21runrttasks21:24:090
118179915440,22cyclictest20945-21df_inode21:45:380
11817991539,21cyclictest26738-21nodejs00:10:060
118179915350,18cyclictest26707-21/usr/sbin/munin22:06:210
118179915349,19cyclictest28881-21/usr/sbin/munin22:15:180
118179915348,13cyclictest10150irq/55-4a10000022:31:030
118179915345,18cyclictest544-21nodejs00:32:400
118179915344,18cyclictest27661-21runrttasks22:10:260
118179915341,22cyclictest20607-21sshd23:46:390
118179915243,14cyclictest10150irq/55-4a10000019:48:390
118179915242,19cyclictest15691-21seq19:24:490
118179915157,12cyclictest101ktimersoftd/022:37:380
118179915150,15cyclictest19699-21latency_hist19:40:070
118179915145,18cyclictest30764-21grep22:21:460
118179915144,18cyclictest13647-21/usr/sbin/munin19:16:240
118179915142,13cyclictest10150irq/55-4a10000021:10:320
118179915141,18cyclictest1317-21runrttasks00:27:200
118179915111,18cyclictest16503-21nodejs23:31:360
118179915044,19cyclictest18801-21runrttasks21:36:500
118179915036,22cyclictest802-21dbus-daemon20:50:570
118179914941,14cyclictest10150irq/55-4a10000023:20:540
118179914936,20cyclictest28475-21runrttasks00:15:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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