On 7/29/2018 6:33 AM, Nguyễn Thái Ngọc Duy wrote:
We're going to optimize unpack_trees() a bit in the following
patches. Let's add some tracing to measure how long it takes before
and after. This is the baseline ("git checkout -" on gcc.git, 80k
files on worktree)
0.018239226 s: read cache .git/index
0.052541655 s: preload index
0.001537598 s: refresh index
0.168167768 s: unpack trees
0.002897186 s: update worktree after a merge
0.131661745 s: repair cache-tree
0.075389117 s: write index, changed mask = 2a
0.111702023 s: unpack trees
0.000023245 s: update worktree after a merge
0.111793866 s: diff-index
0.587933288 s: git command: /home/pclouds/w/git/git checkout -
Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
I've reviewed this patch and it looks good to me. Nice to see the
additional breakdown on where time is being spent.
