* [Request for comment] DBus pcap visualizer tool recent updates
@ 2021-10-21 15:00 Sui Chen
2021-10-29 3:25 ` Andrew Jeffery
0 siblings, 1 reply; 2+ messages in thread
From: Sui Chen @ 2021-10-21 15:00 UTC (permalink / raw)
To: OpenBMC Maillist
Hello OpenBMC,
This is about some recent updates to the tool that could be thought of
as a visual version of Wireshark geared for OpenBMC; it is a desktop
app that runs on a host, opens a DBus PCAP file that can be obtained
by `busctl capture` on a BMC, and draws time lines. It draws a time line
graph, and draws some design ideas from other profiling tools.
The tool has been iterated for a few times and recent small
improvements include:
- Prompts for the user to install dependencies
- Ability to display overlapping DBus requests
- Ability go group sensor PropertyChanged events together
Intended use cases:
- Grab a PCAP on a normally-running BMC and understand what's happening on it.
- Grab a PCAP on a BMC with problems and see if it's possible to
find a problem form the DBus point of view.
Some comments we're looking for include:
- Is the UI intuitive?
- Does it make understanding the operations of an OpenBMC-based
system a bit easier?
- Does it address your problems when developing for OpenBMC? (It has
been helpful for us in a few circumstances)
The tool can be found here:
https://gerrit.openbmc-project.xyz/c/openbmc/openbmc-tools/+/34263
Thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Request for comment] DBus pcap visualizer tool recent updates
2021-10-21 15:00 [Request for comment] DBus pcap visualizer tool recent updates Sui Chen
@ 2021-10-29 3:25 ` Andrew Jeffery
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Jeffery @ 2021-10-29 3:25 UTC (permalink / raw)
To: Sui Chen, OpenBMC Maillist
On Fri, 22 Oct 2021, at 01:30, Sui Chen wrote:
> Hello OpenBMC,
>
> This is about some recent updates to the tool that could be thought of
> as a visual version of Wireshark geared for OpenBMC; it is a desktop
> app that runs on a host, opens a DBus PCAP file that can be obtained
> by `busctl capture` on a BMC, and draws time lines. It draws a time line
> graph, and draws some design ideas from other profiling tools.
>
> The tool has been iterated for a few times and recent small
> improvements include:
> - Prompts for the user to install dependencies
> - Ability to display overlapping DBus requests
> - Ability go group sensor PropertyChanged events together
>
> Intended use cases:
> - Grab a PCAP on a normally-running BMC and understand what's happening on it.
> - Grab a PCAP on a BMC with problems and see if it's possible to
> find a problem form the DBus point of view.
>
> Some comments we're looking for include:
> - Is the UI intuitive?
> - Does it make understanding the operations of an OpenBMC-based
> system a bit easier?
> - Does it address your problems when developing for OpenBMC? (It has
> been helpful for us in a few circumstances)
>
> The tool can be found here:
> https://gerrit.openbmc-project.xyz/c/openbmc/openbmc-tools/+/34263
I've merged this now.
Andrew
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