From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: PM / Suspend: Print wall time at suspend entry and exit Date: Thu, 13 Jul 2017 10:54:08 +0200 Message-ID: <20170713085407.GD1363@amd> References: <20170605193157.59875-1-salyzyn@android.com> <20170605211835.GB9035@amd> <5931f9cb-016f-4163-4908-6825cf84b9d3@android.com> <20170605224011.GA26558@amd> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="9dgjiU4MmWPVapMU" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Mark Salyzyn Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Linux PM , Todd Poynor , "Rafael J. Wysocki" , Len Brown List-Id: linux-pm@vger.kernel.org --9dgjiU4MmWPVapMU Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > >And userspace should not really be parsing kernel logs for time > >keeping, right? > Post-mortem, armed with user space logs in CLOCK_REALTIME (a choice that > most want on Android Logging) and kernel logs, these messages are > _invaluable_ in order to merge the kernel activities with user space. At > runtime they help too, as there is some post-mortem activities on user sp= ace > logging daemon startup. > >The devices you are talking about... is any of them running something > >close to mainline kernel, or is planned for merge? I'd like to get a > >phone that is supported by mainline... >=20 > Android on hikey development board is running 4.9 kernel + Android patches > (this is one of 'em), I _expect_ ToT will work. As for _real_ phones, you > have to take that up with the vendors making the chips. Well, there are real phones with mainline Linux: Nokia N900, N9, N950, Motorola Droid 4. Current kernel is 4.13, not v4.9. Yes, Qualcomm is a problem. There are other vendors, you can get those phones in retail. So no, I don't think android community is doing a good job. I don't think it makes sense to merge patches that "help debugging" when basic support is missing. Best regards, Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --9dgjiU4MmWPVapMU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAllnNS8ACgkQMOfwapXb+vJ6GACeP2tusmfKJPMpHhAsukkrIs+C E4IAoL0tLer/ttrN1+m6ke8Vl+04lE/V =2zMt -----END PGP SIGNATURE----- --9dgjiU4MmWPVapMU--