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From:   Thomas Renninger <trenn@suse.com>
To:     Ivan Babrou <ivan@cloudflare.com>
Cc:     linux-pm@vger.kernel.org,
        linux-kernel <linux-kernel@vger.kernel.org>,
        kernel-team <kernel-team@cloudflare.com>,
        Shuah Khan <shuah@kernel.org>, rafael@kernel.org
Subject: Re: [PATCH] cpupower: add Makefile dependencies for install targets
Date:   Thu, 07 Jan 2021 22:29:29 +0100
Message-ID: <2142020.VHZ5RWNYVy@c100>
In-Reply-To: <CABWYdi3yOYrLq_Zo2qrvFVZtwhbS85zWbt2+by0Fm6D3S17ZQw@mail.gmail.com>
References: <20210104235719.13525-1-ivan@cloudflare.com> <3977966.bfq5YHlNPR@c100> <CABWYdi3yOYrLq_Zo2qrvFVZtwhbS85zWbt2+by0Fm6D3S17ZQw@mail.gmail.com>
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Am Donnerstag, 7. Januar 2021, 22:15:16 CET schrieb Ivan Babrou:
> On Thu, Jan 7, 2021 at 12:59 PM Thomas Renninger <trenn@suse.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@suse.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