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2025-04-08 - 23:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack5slot7.osadl.org (updated Tue Apr 08, 2025 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8137224160,12sleep0669-1kworker/u3:505:48:570
85119910830,64cyclictest0-21swapper09:45:090
85119910719,70cyclictest0-21swapper09:36:090
85119910418,64cyclictest15816-21/usr/sbin/munin08:58:430
85119910317,46cyclictest17426-21apt-get09:02:250
85119910312,50cyclictest13751-21ssh10:52:150
85119910310,69cyclictest24369-21grep09:27:080
85119910217,44cyclictest17558-21users11:03:390
85119910217,24cyclictest7234-21users08:23:500
85119910216,64cyclictest20118-21fw_conntrack09:12:550
85119910117,24cyclictest30434-21memory07:53:230
85119910117,22cyclictest4271-21df_inode10:12:490
85119910017,44cyclictest22206-21users09:18:440
85119910016,62cyclictest5308-21apt-get10:17:280
85119910015,24cyclictest15170-21users08:53:420
8511999933,49cyclictest0-21swapper08:21:540
8511999933,44cyclictest12000-21irqstats10:43:060
8511999919,59cyclictest425-21memory09:58:190
8511999916,42cyclictest2957-21munin-run08:12:050
8511999915,48cyclictest10140-21apt-get10:37:250
8511999914,51cyclictest0-21swapper10:08:580
8511999835,47cyclictest0-21swapper09:55:470
8511999811,67cyclictest11764-21sed08:42:090
8511999810,26cyclictest1539-21ssh10:02:290
8511999717,22cyclictest19117-21df11:12:420
8511999716,43cyclictest13631-21munin-run10:52:050
8511999715,49cyclictest0-21swapper09:28:110
8511999713,62cyclictest15954-21timerandwakeup10:58:300
851199969,24cyclictest19651-21ssh09:12:040
8511999617,59cyclictest593-21apt-get08:02:220
8511999616,64cyclictest0-21swapper08:51:520
8511999613,46cyclictest28033-21ssh09:40:050
8511999613,23cyclictest8557-21ssh08:31:490
8511999611,63cyclictest31570-21ssh07:57:320
8511999610,66cyclictest29295-21/usr/sbin/munin07:47:450
8511999516,60cyclictest9086-21fw_conntrack08:33:020
8511999514,21cyclictest6837-21ssh10:22:370
8511999514,20cyclictest20644-21df_inode11:17:510
8511999513,24cyclictest16307-21modprobe06:37:020
8511999438,22cyclictest10101-21latency_hist06:02:070
8511999417,57cyclictest3400-21df_inode08:12:490
8511999414,22cyclictest12356-21ssh08:43:210
8511999411,23cyclictest8129-21ssh10:27:580
851199938,64cyclictest26878-21wc07:33:360
8511999335,28cyclictest0-21swapper11:07:500
8511999317,36cyclictest17205-21munin-run06:42:040
8511999313,62cyclictest24538-21grep07:22:270
8511999235,40cyclictest8716-21apt-get10:32:170
8511999214,57cyclictest30582-21ssh09:51:300
8511999023,33cyclictest0-21swapper06:22:240
8511999018,23cyclictest24067-21ntp_states07:18:000
8511999014,27cyclictest1626-21sshd07:27:220
8511999011,61cyclictest20386-21sort06:57:500
8511998912,42cyclictest14625-21apt-get06:27:210
8511998911,60cyclictest28821-21sed07:43:100
8511998911,43cyclictest19350-21df_abs06:52:380
8511998910,60cyclictest23161-21tr07:13:000
8511998813,25cyclictest10214-21aten_r5power_po06:02:280
8511998745,24cyclictest21581-21timerandwakeup07:03:070
8511998726,42cyclictest0-21swapper06:47:250
8511998717,22cyclictest13025-21df06:17:330
8511998711,26cyclictest12535-21switchtime06:13:130
8511998711,26cyclictest11816-21sshd06:11:230
8511998710,60cyclictest8996-21wc05:52:510
8511998625,39cyclictest17432-21cut06:42:290
8511998610,54cyclictest22027-21sed07:07:360
8511998516,23cyclictest27367-21/usr/sbin/munin07:37:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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