| Message ID | 20170814201848.28216-12-chris@chris-wilson.co.uk (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Aug 14, 2017 at 09:18:36PM +0100, Chris Wilson wrote: > Make sure that our buffers are ready and loaded to reduce the initial > stall. Reviewed-by: Michał Winiarski <michal.winiarski@intel.com> Already looked at this one before: https://lists.freedesktop.org/archives/intel-gfx/2017-July/134344.html (as well as couple of other patches in this series) -Michał > --- > tests/gem_ringfill.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/tests/gem_ringfill.c b/tests/gem_ringfill.c > index b52996a4..01cbd0a9 100644 > --- a/tests/gem_ringfill.c > +++ b/tests/gem_ringfill.c > @@ -288,10 +288,15 @@ static unsigned int measure_ring_size(int fd) > obj[1].handle = gem_create(fd, 4096); > gem_write(fd, obj[1].handle, 0, &bbe, sizeof(bbe)); > > + memset(&execbuf, 0, sizeof(execbuf)); > + execbuf.buffers_ptr = to_user_pointer(obj + 1); > + execbuf.buffer_count = 1; > + gem_execbuf(fd, &execbuf); > + gem_sync(fd, obj[1].handle); > + > plug(fd, &c); > obj[0].handle = c.handle; > > - memset(&execbuf, 0, sizeof(execbuf)); > execbuf.buffers_ptr = to_user_pointer(obj); > execbuf.buffer_count = 2; > > @@ -302,7 +307,8 @@ static unsigned int measure_ring_size(int fd) > itv.it_value.tv_usec = 1000; > setitimer(ITIMER_REAL, &itv, NULL); > > - last = count = 0; > + last = -1; > + count = 0; > do { > if (__execbuf(fd, &execbuf) == 0) { > count++; > -- > 2.13.3 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
diff --git a/tests/gem_ringfill.c b/tests/gem_ringfill.c index b52996a4..01cbd0a9 100644 --- a/tests/gem_ringfill.c +++ b/tests/gem_ringfill.c @@ -288,10 +288,15 @@ static unsigned int measure_ring_size(int fd) obj[1].handle = gem_create(fd, 4096); gem_write(fd, obj[1].handle, 0, &bbe, sizeof(bbe)); + memset(&execbuf, 0, sizeof(execbuf)); + execbuf.buffers_ptr = to_user_pointer(obj + 1); + execbuf.buffer_count = 1; + gem_execbuf(fd, &execbuf); + gem_sync(fd, obj[1].handle); + plug(fd, &c); obj[0].handle = c.handle; - memset(&execbuf, 0, sizeof(execbuf)); execbuf.buffers_ptr = to_user_pointer(obj); execbuf.buffer_count = 2; @@ -302,7 +307,8 @@ static unsigned int measure_ring_size(int fd) itv.it_value.tv_usec = 1000; setitimer(ITIMER_REAL, &itv, NULL); - last = count = 0; + last = -1; + count = 0; do { if (__execbuf(fd, &execbuf) == 0) { count++;