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gallium/ddebug: add GALLIUM_DDEBUG_SKIP option

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When we know that hangs occur only very late in a reproducible run (e.g.
apitrace), we can save a lot of debugging time by skipping the flush and hang
detection for earlier draw calls.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Nicolai Hähnle
2015-12-08 06:49:12 -05:00
parent af7ba989fb
commit b86d5ccae2
3 changed files with 36 additions and 15 deletions
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39
src/gallium/drivers/ddebug/dd_draw.c
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@@ -588,8 +588,11 @@ dd_context_flush(struct pipe_context *_pipe,
static void
dd_before_draw(struct dd_context *dctx)
{
if (dd_screen(dctx->base.screen)->mode == DD_DETECT_HANGS &&
!dd_screen(dctx->base.screen)->no_flush)
struct dd_screen *dscreen = dd_screen(dctx->base.screen);
if (dscreen->mode == DD_DETECT_HANGS &&
!dscreen->no_flush &&
dctx->num_draw_calls >= dscreen->skip_count)
dd_flush_and_handle_hang(dctx, NULL, 0,
"GPU hang most likely caused by internal "
"driver commands");
@@ -598,22 +601,28 @@ dd_before_draw(struct dd_context *dctx)
static void
dd_after_draw(struct dd_context *dctx, struct dd_call *call)
{
switch (dd_screen(dctx->base.screen)->mode) {
case DD_DETECT_HANGS:
if (!dd_screen(dctx->base.screen)->no_flush &&
dd_flush_and_check_hang(dctx, NULL, 0)) {
dd_dump_call(dctx, call, PIPE_DEBUG_DEVICE_IS_HUNG);
struct dd_screen *dscreen = dd_screen(dctx->base.screen);
/* Terminate the process to prevent future hangs. */
dd_kill_process();
if (dctx->num_draw_calls >= dscreen->skip_count) {
switch (dscreen->mode) {
case DD_DETECT_HANGS:
if (!dscreen->no_flush &&
dd_flush_and_check_hang(dctx, NULL, 0)) {
dd_dump_call(dctx, call, PIPE_DEBUG_DEVICE_IS_HUNG);
/* Terminate the process to prevent future hangs. */
dd_kill_process();
}
break;
case DD_DUMP_ALL_CALLS:
dd_dump_call(dctx, call, 0);
break;
default:
assert(0);
}
break;
case DD_DUMP_ALL_CALLS:
dd_dump_call(dctx, call, 0);
break;
default:
assert(0);
}
++dctx->num_draw_calls;
}
static void