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2023-12-06 - 18:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3s.osadl.org (updated Wed Dec 06, 2023 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2733738991026,4cyclictest131rcu_preempt12:10:021
2733733998982,3cyclictest0-21swapper/009:05:020
2733738997564,8cyclictest23-21ksoftirqd/112:30:021
2733733997367,3cyclictest0-21swapper/011:20:020
273373899692,18cyclictest2741665-21grep09:40:011
273373399672,62cyclictest0-21swapper/009:15:030
273373899662,16cyclictest2737342-21munin-run08:20:021
273373899662,16cyclictest2737342-21munin-run08:20:021
273373899651,10cyclictest2740381-21sshd09:15:301
2733733996561,2cyclictest0-21swapper/012:05:000
2733738996420,40cyclictest2734626-21sed07:25:021
273373899641,12cyclictest2736511-21sshd08:03:311
273373899641,12cyclictest2736511-21sshd08:03:301
273373899621,12cyclictest2745576-21sshd10:56:301
273373899612,17cyclictest2734202-21tr07:20:011
273373899612,16cyclictest2738095-21systemd-run08:35:001
273373899612,14cyclictest2748198-21sshd11:49:251
273373899611,17cyclictest235-21systemd-journal08:30:011
273373899603,11cyclictest1-21systemd10:00:001
273373899602,12cyclictest2747185-21munin-run11:30:001
273373899602,11cyclictest366-21snmpd11:43:521
273373899601,16cyclictest2743243-21sshd10:10:301
273373899601,14cyclictest366-21snmpd08:54:491
2733738996010,4cyclictest0-21swapper/109:10:261
273373899592,18cyclictest2750045-21munin-run12:25:011
273373899592,15cyclictest2745357-21munin-run10:55:011
2733738995913,40cyclictest274-21dbus-daemon10:45:011
273373899591,15cyclictest2739925-21munin-run09:10:011
273373899591,13cyclictest366-21snmpd07:26:241
273373899582,13cyclictest2735230-21systemctl07:39:591
273373899581,22cyclictest2736972-21sed08:10:021
273373899581,11cyclictest2737593-21munin-run08:25:011
2733740995712,10cyclictest131rcu_preempt07:35:012
2733740995712,10cyclictest131rcu_preempt07:35:002
273373899575,8cyclictest2738323-21cron08:40:011
273373899572,10cyclictest413-21sshd10:22:311
273373899572,10cyclictest2746640-21modprobe11:20:001
273373899571,20cyclictest2737053-21unin-run08:15:001
273373899571,14cyclictest2744555-21sshd10:39:301
273373899571,13cyclictest366-21snmpd10:29:271
273373899571,12cyclictest366-21snmpd12:03:311
273373899571,12cyclictest366-21snmpd09:46:001
273373899571,12cyclictest366-21snmpd09:46:001
273373899571,12cyclictest2749504-21munin-run12:15:011
273373899571,12cyclictest2749504-21munin-run12:15:011
273373899571,10cyclictest2746918-21cron11:25:011
2733738995626,25cyclictest274-21dbus-daemon11:40:011
2733738995621,30cyclictest304-21in:imuxsock10:03:301
273373899562,12cyclictest366-21snmpd10:19:221
273373899561,12cyclictest366-21snmpd09:52:271
273373899561,12cyclictest2745243-21wc10:50:011
273373899561,11cyclictest2735977-21modprobe07:52:311
273373899551,14cyclictest2748704-21sshd11:59:301
273373899551,13cyclictest2738725-21sed08:45:021
273373899551,12cyclictest2735106-21cat07:35:031
273373899551,12cyclictest2735106-21cat07:35:031
273373899551,11cyclictest366-21snmpd07:46:531
273373899551,10cyclictest2735475-21sshd07:43:301
273373899542,8cyclictest307-21rs:main1
273373899542,13cyclictest2745901-21munin-run11:05:001
273373899541,11cyclictest366-21snmpd12:36:471
273373899541,10cyclictest2746232-21latency_hist11:10:021
273373399541,50cyclictest0-21swapper/008:25:020
2733740995345,5cyclictest2745115-21kworker/2:212:07:112
2733740995344,5cyclictest2736796-21kworker/2:109:47:002
2733740995344,5cyclictest2736796-21kworker/2:109:47:002
2733740995343,6cyclictest2749515-21kworker/2:312:25:022
273373899532,12cyclictest2746376-21cron11:15:001
273373899531,13cyclictest2747451-21munin-run11:35:011
273373899531,10cyclictest2744320-21munin-plugin-st10:35:011
273373899531,10cyclictest2744320-21munin-plugin-st10:35:011
2733740995242,6cyclictest2738832-21kworker/2:009:09:292
2733740995242,5cyclictest30-21ksoftirqd/211:05:012
2733740995230,15cyclictest274-21dbus-daemon09:20:002
273373899523,18cyclictest2739652-21cut09:05:011
2733738995223,24cyclictest2743025-21latency_hist10:10:021
273373899522,11cyclictest2741718-21sshd09:44:021
273373899522,11cyclictest235-21systemd-journal09:25:001
2733738995218,29cyclictest2747150-21kworker/u8:211:55:001
2733738995217,31cyclictest23-21ksoftirqd/109:33:271
2733738995210,3cyclictest0-21swapper/109:26:551
2733733995211,23cyclictest2726816-21kworker/u8:308:20:030
2733733995211,23cyclictest2726816-21kworker/u8:308:20:020
2733740995141,7cyclictest2736796-21kworker/2:108:52:132
2733738995130,13cyclictest235-21systemd-journal08:00:001
273373899511,14cyclictest2738851-21sshd08:49:301
273373899511,14cyclictest2738851-21sshd08:49:291
273373899511,11cyclictest2739404-21systemd-run09:00:011
2733740995042,5cyclictest2742273-21kworker/2:310:30:252
2733740995042,5cyclictest2742273-21kworker/2:310:30:252
2733740995042,5cyclictest2738832-21kworker/2:009:25:032
2733740995016,10cyclictest30-21ksoftirqd/211:55:012
273373899502,8cyclictest2750513-21sshd12:30:291
2733740994942,4cyclictest2736796-21kworker/2:108:15:032
2733740994942,4cyclictest2736796-21kworker/2:108:15:032
2733740994941,5cyclictest2742273-21kworker/2:310:20:302
2733740994941,5cyclictest2742273-21kworker/2:310:14:252
2733740994941,5cyclictest2738832-21kworker/2:009:13:412
2733740994941,5cyclictest2735259-21kworker/2:308:07:292
2733740994941,5cyclictest2723612-21kworker/2:007:22:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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