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From: Jeff Law <>
To: Eugene Rozenfeld <>,
	"" <>,
	Andi Kleen <>
Subject: Re: [EXTERNAL] Re: [PATCH] Fix autoprofiledbootstrap build
Date: Tue, 22 Nov 2022 23:15:44 -0700	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 11/22/22 14:20, Eugene Rozenfeld wrote:
> I took another look at this. We actually collect perf data when building the libraries. So, we have ./prev-gcc/, ./prev-libcpp/, ./prev-libiberty/, etc. But when creating gcov data for  -fauto-profile build of cc1plus or cc1 we only use ./prev-gcc/ . So, a better solution would be either having a single for all builds (gcc and libraries) or merging files before attempting autostagefeedback. What would you recommend?

ISTM that if neither approach loses data, then they're functionally 
equivalent -- meaning that we can select whichever is easier to wire 
into our build system.

A single might serialize the build.  So perhaps separate, then 
merge right before autostagefeedback.

But I'm willing to go with whatever you think is best.


  reply	other threads:[~2022-11-23  6:15 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-11-21 21:57 Eugene Rozenfeld
2022-11-22 20:01 ` Jeff Law
2022-11-22 21:20   ` [EXTERNAL] " Eugene Rozenfeld
2022-11-23  6:15     ` Jeff Law [this message]
2023-03-14 21:21       ` Eugene Rozenfeld
2023-03-27 20:36         ` Eugene Rozenfeld
2023-04-18 19:02         ` Jeff Law

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