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SubjectRE: [RFC v2 3/3] platform/x86/intel/pmc: core: Report duration of time in HW sleep state
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> -----Original Message-----
> From: Thomas Gleixner <tglx@linutronix.de>
> Sent: Sunday, November 13, 2022 17:57
> To: Limonciello, Mario <Mario.Limonciello@amd.com>; Sven van Ashbrook
> <svenva@chromium.org>; Rafael J Wysocki <rafael@kernel.org>; linux-
> pm@vger.kernel.org; platform-driver-x86@vger.kernel.org; Rajneesh
> Bhardwaj <irenic.rajneesh@gmail.com>; David E Box
> <david.e.box@intel.com>
> Cc: S-k, Shyam-sundar <Shyam-sundar.S-k@amd.com>;
> rrangel@chromium.org; Rajat Jain <rajatja@google.com>; Hans de Goede
> <hdegoede@redhat.com>; linux-kernel@vger.kernel.org; Limonciello, Mario
> <Mario.Limonciello@amd.com>; Mark Gross <markgross@kernel.org>
> Subject: Re: [RFC v2 3/3] platform/x86/intel/pmc: core: Report duration of
> time in HW sleep state
>
> On Thu, Nov 10 2022 at 00:47, Mario Limonciello wrote:
> > intel_pmc_core displays a warning when a suspend didn't get to a HW
> > sleep state.
>
> Where? Copy and paste is wonderful...

In current mainline, drivers/platform/x86/intel/pmc/core.c line 2130 will
show such a warning.

"CPU did not enter SLP_S0!!! (S0ix cnt=%llu)"

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