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chatGPZ
Registered: Dec 2001
Posts: 11502 |
Profiler support in the VICE monitor
I just committed an initial patch that adds profiler support to the monitor. This might be interesting for those who are working on their X releases :)
grab the next build (r43769) from here when its done. |
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chatGPZ
Registered: Dec 2001
Posts: 11502 |
Quote: The GTK3VICE-3.7.1-win64-r43776 build is much more user friendly. Once I remap the shortcuts :)
Dinosaurs can always use gtk3-winvice-legacy.vhk |
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Martin Piper
Registered: Nov 2007
Posts: 739 |
How about profiling information for disk drives and super CPU and Z80?
Knowing if code is executing from RAM or ROM would help, also it would be useful if it logged the cartridge bank byte(s). Larger carts can have two bank bytes. |
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chatGPZ
Registered: Dec 2001
Posts: 11502 |
yes, all of this is on the TODO list
RAM vs ROM should already be logged though (although its seems to not work as intended, see the ticket |
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DanPhillips
Registered: Jan 2003
Posts: 42 |
Could the gathered data be outputted to a file?
Could it be segmented per "frame" so we can see spikes?
Have you used PIX? :D |
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chatGPZ
Registered: Dec 2001
Posts: 11502 |
Can't really answer any of that :=) What is "PIX"? :)
That said, i think it makes sense to focus on the core features right now, and then make them available via the remote monitor protocol - and then an external program should be able to visualize the data in whatever fancy way you want :) |
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DanPhillips
Registered: Jan 2003
Posts: 42 |
https://devblogs.microsoft.com/pix/introduction/
Its a bit like Razor for PS4/5.
On XSX/XSS it's a really nice profiling and visualization tool :) |
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Bitbreaker
Registered: Oct 2002
Posts: 510 |
What would be very awesome about profiling is the possibility to detect dead code and how often (percentage) a branch is taken for optimization reasons :-) |
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chatGPZ
Registered: Dec 2001
Posts: 11502 |
Quote:On XSX/XSS it's a really nice profiling and visualization tool :)
OK, as said, all those tools are basically just doing their magic on a set of relatively trivial data - so once the data comes out of vice "somehow", someone can make the interfaces or conversion tools to use all the fancy profile tools.
Quote:What would be very awesome about profiling is the possibility to detect dead code and how often (percentage) a branch is taken for optimization reasons :-)
also already on the list :) |
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soci
Registered: Sep 2003
Posts: 486 |
Wow profiling is a thing now :) Used that in 2016 already:
https://singularcrew.hu/temp/2016-09-04-160615_3840x1600_scrot...
But the code needs to be structured properly to get useful results. Used it also for boring stuff like figuring out why cfsfsck (IDEDOS filesystem consistency checker) takes so long and could make it much faster. |
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Brush
Registered: Apr 2002
Posts: 22 |
@soci this looks like valgrind gui? How did you manage to generate compatible profiling data for 6502? Would you care to share? |
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