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authorPeter Zijlstra <a.p.zijlstra@chello.nl>2011-11-21 05:43:53 -0500
committerIngo Molnar <mingo@elte.hu>2011-12-21 05:01:13 -0500
commite3f3541c19c89a4daae39300defba68943301949 (patch)
treef3d6fe5c39dfee8045e7955e5637ae9ff9c0d4d5 /README
parent0c9d42ed4cee2aa1dfc3a260b741baae8615744f (diff)
perf: Extend the mmap control page with time (TSC) fields
Extend the mmap control page with fields so that userspace can compute time deltas relative to the provided time fields. Currently only implemented for x86 with constant and nonstop TSC. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Cc: Arun Sharma <asharma@fb.com> Link: http://lkml.kernel.org/n/tip-3u1jucza77j3wuvs0x2bic0f@git.kernel.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
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