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From: "Cédric Le Goater" <clg@kaod.org>
To: Daniel Henrique Barboza <danielhb413@gmail.com>,
	Richard Henderson <richard.henderson@linaro.org>,
	qemu-devel <qemu-devel@nongnu.org>, <clombard@linux.vnet.ibm.com>
Subject: Re: powernv gitlab ci regression
Date: Tue, 21 Dec 2021 23:30:28 +0100	[thread overview]
Message-ID: <b7c50c1b-16f2-3fdd-dbd7-944ddf150947@kaod.org> (raw)
In-Reply-To: <8ab3b465-dfec-8579-2b96-e0383f9bcc6f@gmail.com>

> Just rewrote the fore-mentioned patch using TCG ops. Here's some numbers running the tests on
> my local machine:
> 
> - using current master:
> 
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (71.00 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (69.57 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (76.04 s)
> 
> 
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (72.62 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (76.50 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (73.58 s)
> 
> 
> - after my TCG Ops rewrite to count instructions:
> 
> 
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (39.97 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (40.19 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv8: PASS (41.76 s)
> 
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (40.88 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (41.49 s)
>   (1/1) tests/avocado/boot_linux_console.py:BootLinuxConsole.test_ppc_powernv9: PASS (42.04 s)
> 
> 
> Also, there's a high possibility that the code I wrote is not optimized since I'm not well
> versed with TCG ops/code. I expect that after a couple of reviews from Richard we might be able
> to bring down those numbers even further.

This is behaving like 6.2. We should be fine (until we add more counters :)
   
> I'll clean this up and send for review.
ok. We might have a last ppc PR in 2021.

Thanks a lot,

C.



      reply	other threads:[~2021-12-21 22:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-20 21:35 powernv gitlab ci regression Richard Henderson
2021-12-21  2:37 ` Daniel Henrique Barboza
2021-12-21  8:20   ` Cédric Le Goater
2021-12-21  9:44     ` Daniel Henrique Barboza
2021-12-21 21:33       ` Daniel Henrique Barboza
2021-12-21 22:30         ` Cédric Le Goater [this message]

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