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| author | Avi Kivity <avi@redhat.com> | 2011-06-20 11:12:47 +0300 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2011-06-22 07:18:38 -0500 |
| commit | f8e378f27f2a8b99bf9be0a9168ba0ea19eeb740 (patch) | |
| tree | bdc5f4192241afbcc17f931557529d6e18e17a77 /net.c | |
| parent | 9319a6d3a6af9ae85556261e4a759eaddb49d734 (diff) | |
| download | qemu-f8e378f27f2a8b99bf9be0a9168ba0ea19eeb740.tar.gz | |
Optimize screendump
When running kvm-autotest, fputc() is often the second highest (sometimes #1)
function showing up in a profile. This is due to fputc() locking the file
for every byte written.
Optimize by buffering a line's worth of pixels and writing that out in a
single call.
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'net.c')
0 files changed, 0 insertions, 0 deletions