linux-kernel - Re: [PATCH] cpupower: add Makefile dependencies for install targets

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Message-ID: <2142020.VHZ5RWNYVy@c100>
Date:   Thu, 07 Jan 2021 22:29:29 +0100
From:   Thomas Renninger <trenn@...e.com>
To:     Ivan Babrou <ivan@...udflare.com>
Cc:     linux-pm@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        kernel-team <kernel-team@...udflare.com>,
        Shuah Khan <shuah@...nel.org>, rafael@...nel.org
Subject: Re: [PATCH] cpupower: add Makefile dependencies for install targets

Am Donnerstag, 7. Januar 2021, 22:15:16 CET schrieb Ivan Babrou:
> On Thu, Jan 7, 2021 at 12:59 PM Thomas Renninger <trenn@...e.com> wrote:
> > Am Donnerstag, 7. Januar 2021, 18:42:25 CET schrieb Ivan Babrou:
> > > On Thu, Jan 7, 2021 at 2:07 AM Thomas Renninger <trenn@...e.com> wrote:
> > > > Am Dienstag, 5. Januar 2021, 00:57:18 CET schrieb Ivan Babrou:
> > > > > This allows building cpupower in parallel rather than serially.
...
> > Can you please show the make calls, ideally with a timing to better
> > understand and also to reproduce the advantages this patch introduces.
> > From what I can see, it only helps if one calls "sub-install" targets
> > directly?
> 
> That's exactly what we do: make install directly:
> 
> /linux-5.10.5$ make -C ./tools/power/cpupower DESTDIR=/tmp/cpupower
> install -j $(nproc)

This makes sense then.
@Shuah @Rafael: Can this patch be queued up, please.

Thanks for the patch and the details,

   Thomas