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linuxkit/alpine/packages
David Sheets dc7069db1c transfused: add perfstat machinery
This adds two new control channel requests, START_PERFSTAT and
STOP_PERFSTAT, that begin and end performance statistics collection
respectively. START_PERFSTAT takes the name of the mountpoint on which
to enable statistics collection and returns the current monotonic time.
STOP_PERFSTAT takes the name of the mountpoint on which to disable
statistics collection and returns the current monotonic time and the
message timings that have been collected.

Performance statistics are collected in a linked list of blocks. pthread
locks are used for synchronization.

Signed-off-by: David Sheets <dsheets@docker.com>
2017-01-31 18:07:31 +00:00
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