linux-kernel - [PATCH 0/4] PM / Suspend: Print wall time

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Date:   Tue, 18 Jul 2017 10:24:22 -0700
From:   Mark Salyzyn <salyzyn@...roid.com>
To:     linux-kernel@...r.kernel.org
Cc:     rjw@...ysocki.net, len.brown@...el.com, pavel@....cz,
        linux-pm@...r.kernel.org, a.zummo@...ertech.it,
        alexandre.belloni@...e-electrons.com, linux-rtc@...r.kernel.org,
        Mark Salyzyn <salyzyn@...roid.com>
Subject: [PATCH 0/4] PM / Suspend: Print wall time

Helpful for post-mortem analysis to synchronize CLOCK_MONOTONIC
kernel logs with CLOCK_REALTIME user space logs.  Post-mortem
analysis for Battery and Power diagnosis.  Improved reporting
of suspension times against the rtc wallclock, which is
persistent even at the lowest power management states.

analyze_suspend.py requires a configured kernel to debug, these
prints can remain in a field product with CONFIG_RTC_TIME_SHOW.

Sincerely -- Mark Salyzyn