Commit ade7667a authored by Anton Blanchard's avatar Anton Blanchard Committed by Michael Ellerman

powerpc: Add cputime_to_nsecs()

Generic code has a wrapper to implement cputime_to_nsecs() on top of
cputime_to_usecs() but we can easily return the full nanosecond
resolution directly.
Signed-off-by: default avatarAnton Blanchard <anton@ozlabs.org>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200713083601.1103978-1-anton@ozlabs.org
parent e4208f13
...@@ -36,6 +36,8 @@ static inline unsigned long cputime_to_usecs(const cputime_t ct) ...@@ -36,6 +36,8 @@ static inline unsigned long cputime_to_usecs(const cputime_t ct)
return mulhdu((__force u64) ct, __cputime_usec_factor); return mulhdu((__force u64) ct, __cputime_usec_factor);
} }
#define cputime_to_nsecs(cputime) tb_to_ns((__force u64)cputime)
/* /*
* PPC64 uses PACA which is task independent for storing accounting data while * PPC64 uses PACA which is task independent for storing accounting data while
* PPC32 uses struct thread_info, therefore at task switch the accounting data * PPC32 uses struct thread_info, therefore at task switch the accounting data
......
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