From: Tony Lindgren <tony@atomide.com>
To: Kevin Hilman <khilman@ti.com>
Cc: Tero Kristo <t-kristo@ti.com>,
linux-omap@vger.kernel.org, paul@pwsan.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 6/6] arm: omap: pm-debug: enhanced usecount debug support
Date: Tue, 14 Feb 2012 15:52:18 -0800 [thread overview]
Message-ID: <20120214235218.GX1426@atomide.com> (raw)
In-Reply-To: <87fwed58dm.fsf@ti.com>
* Kevin Hilman <khilman@ti.com> [120214 14:28]:
> Tony Lindgren <tony@atomide.com> writes:
>
> > * Tero Kristo <t-kristo@ti.com> [120214 08:19]:
> >> Voltdm, pwrdm, clkdm, hwmod and clk usecounts are now separeted to
> >> their own file, 'usecount'. This file shows the usecounts for every
> >> active domain and their children recursively. 'count' file now only
> >> shows power state counts for powerdomains.
> >>
> >> This patch also provices a way to do printk dumps from kernel code,
> >> by calling the pm_dbg_dump_X functions. The plan is to call these
> >> functions once an error condition is detected, e.g. failed suspend.
> >
> > Why don't you replace this all with a userspace tool that deciphers
> > the registers for you?
>
> This patch isn't deciphering registers, it's just dumping usecounts, and
> I think that is extremely useful to have in debugfs.
>
> I've already removed all the register dumping from the kernel in the
> hopes that someone will write a userspace tool for that.
OK good to hear you're already considering it.
Tony
WARNING: multiple messages have this Message-ID (diff)
From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 6/6] arm: omap: pm-debug: enhanced usecount debug support
Date: Tue, 14 Feb 2012 15:52:18 -0800 [thread overview]
Message-ID: <20120214235218.GX1426@atomide.com> (raw)
In-Reply-To: <87fwed58dm.fsf@ti.com>
* Kevin Hilman <khilman@ti.com> [120214 14:28]:
> Tony Lindgren <tony@atomide.com> writes:
>
> > * Tero Kristo <t-kristo@ti.com> [120214 08:19]:
> >> Voltdm, pwrdm, clkdm, hwmod and clk usecounts are now separeted to
> >> their own file, 'usecount'. This file shows the usecounts for every
> >> active domain and their children recursively. 'count' file now only
> >> shows power state counts for powerdomains.
> >>
> >> This patch also provices a way to do printk dumps from kernel code,
> >> by calling the pm_dbg_dump_X functions. The plan is to call these
> >> functions once an error condition is detected, e.g. failed suspend.
> >
> > Why don't you replace this all with a userspace tool that deciphers
> > the registers for you?
>
> This patch isn't deciphering registers, it's just dumping usecounts, and
> I think that is extremely useful to have in debugfs.
>
> I've already removed all the register dumping from the kernel in the
> hopes that someone will write a userspace tool for that.
OK good to hear you're already considering it.
Tony
next prev parent reply other threads:[~2012-02-14 23:52 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-14 16:36 [PATCH 0/6] arm: omap: clk/clkdm/pwrdm/voltdm changes to usecounting Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 16:36 ` [PATCH 1/6] arm: omap: clk: add support for omap_clk_for_each Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 16:36 ` [PATCH 2/6] arm: omap3+: voltage/pwrdm/clkdm/clock add recursive usecount tracking Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 16:36 ` [PATCH 3/6] arm: omap3+: voltage: add support for voltagedomain usecounts Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 16:36 ` [PATCH 4/6] arm: omap3: add manual control for mpu_iva voltdm usecounting Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 19:35 ` Kevin Hilman
2012-02-14 19:35 ` Kevin Hilman
2012-02-15 8:16 ` Tero Kristo
2012-02-15 8:16 ` Tero Kristo
2012-02-15 19:29 ` Kevin Hilman
2012-02-15 19:29 ` Kevin Hilman
2012-02-14 16:36 ` [PATCH 5/6] arm: omap3: set autoidle flags for a few clocks Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 16:36 ` [PATCH 6/6] arm: omap: pm-debug: enhanced usecount debug support Tero Kristo
2012-02-14 16:36 ` Tero Kristo
2012-02-14 20:27 ` Tony Lindgren
2012-02-14 20:27 ` Tony Lindgren
2012-02-14 22:59 ` Kevin Hilman
2012-02-14 22:59 ` Kevin Hilman
2012-02-14 23:52 ` Tony Lindgren [this message]
2012-02-14 23:52 ` Tony Lindgren
2012-02-15 8:34 ` Tero Kristo
2012-02-15 8:34 ` Tero Kristo
2012-02-15 15:20 ` Kevin Hilman
2012-02-15 15:20 ` Kevin Hilman
2012-02-16 17:06 ` Menon, Nishanth
2012-02-16 17:06 ` Menon, Nishanth
2012-02-16 17:35 ` Kevin Hilman
2012-02-16 17:35 ` Kevin Hilman
2012-02-16 18:14 ` Menon, Nishanth
2012-02-16 18:14 ` Menon, Nishanth
2012-02-14 20:02 ` [PATCH 0/6] arm: omap: clk/clkdm/pwrdm/voltdm changes to usecounting Kevin Hilman
2012-02-14 20:02 ` Kevin Hilman
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