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Thomas Gleixner
72199320d4
The planned change to unify the behaviour of the MONOTONIC and BOOTTIME clocks vs. suspend removes the ability to retrieve the active non-suspended time of a system. Provide a new CLOCK_MONOTONIC_ACTIVE clock which returns the active non-suspended time of the system via clock_gettime(). This preserves the old behaviour of CLOCK_MONOTONIC before the BOOTTIME/MONOTONIC unification. This new clock also allows applications to detect programmatically that the MONOTONIC and BOOTTIME clocks are identical. Signed-off-by: Thomas Gleixner <[email protected]> Cc: Dmitry Torokhov <[email protected]> Cc: John Stultz <[email protected]> Cc: Jonathan Corbet <[email protected]> Cc: Kevin Easton <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Mark Salyzyn <[email protected]> Cc: Michael Kerrisk <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Petr Mladek <[email protected]> Cc: Prarit Bhargava <[email protected]> Cc: Sergey Senozhatsky <[email protected]> Cc: Steven Rostedt <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Ingo Molnar <[email protected]>