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2024-09-11 - 19:50

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #5

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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  Eltec
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot5s.osadl.org (updated Wed Sep 11, 2024 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2182421500sleep0121450irq/29-eth0_g0_09:59:170
631921340sleep0121550irq/30-eth0_g0_11:06:540
631921340sleep0121550irq/30-eth0_g0_11:06:540
624921290sleep1121450irq/29-eth0_g0_11:06:041
624921290sleep1121450irq/29-eth0_g0_11:06:041
2040721200sleep1121450irq/29-eth0_g0_09:52:021
3254721170sleep0121450irq/29-eth0_g0_10:41:030
38432980sleep0121450irq/29-eth0_g0_10:56:310
121770ksoftirqd/1121550irq/30-eth0_g0_08:15:221
121720ksoftirqd/1121550irq/30-eth0_g0_08:39:411
161352650sleep0121550irq/30-eth0_g0_11:47:160
161352650sleep0121550irq/30-eth0_g0_11:47:160
113392580sleep0121450irq/29-eth0_g0_11:28:240
113392580sleep0121450irq/29-eth0_g0_11:28:240
16072550sleep0121550irq/30-eth0_g0_10:49:140
147022520chrt121550irq/30-eth0_g0_11:39:471
121520ksoftirqd/1121550irq/30-eth0_g0_12:15:051
121520ksoftirqd/1121550irq/30-eth0_g0_10:36:061
313952510sleep0121550irq/30-eth0_g0_10:36:520
257622490sleep0121450irq/29-eth0_g0_12:25:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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