Tvrtko Ursulin <[email protected]> writes: > From: Tvrtko Ursulin <[email protected]> > > As GEM contexts are closed we want to have the DRM client remember how > much GPU time they used (per class) so later we can used it for smarter > purposes. > > Signed-off-by: Tvrtko Ursulin <[email protected]>
Reviewed-by: Mika Kuoppala <[email protected]> > --- > drivers/gpu/drm/i915/gem/i915_gem_context.c | 12 +++++++++++- > drivers/gpu/drm/i915/i915_drm_client.h | 7 +++++++ > 2 files changed, 18 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c > b/drivers/gpu/drm/i915/gem/i915_gem_context.c > index a12e926444e1..a50b83659399 100644 > --- a/drivers/gpu/drm/i915/gem/i915_gem_context.c > +++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c > @@ -351,8 +351,18 @@ static void i915_gem_context_free(struct > i915_gem_context *ctx) > > GEM_BUG_ON(!i915_gem_context_is_closed(ctx)); > > - if (client) > + if (client) { > + unsigned int i; > + > + /* Transfer accumulated runtime to the parent drm client. */ > + BUILD_BUG_ON(ARRAY_SIZE(client->past_runtime) != > + ARRAY_SIZE(ctx->past_runtime)); > + for (i = 0; i < ARRAY_SIZE(client->past_runtime); i++) > + atomic64_add(atomic64_read(&ctx->past_runtime[i]), > + &client->past_runtime[i]); > + > i915_drm_client_put(client); > + } > > spin_lock(&ctx->i915->gem.contexts.lock); > list_del(&ctx->link); > diff --git a/drivers/gpu/drm/i915/i915_drm_client.h > b/drivers/gpu/drm/i915/i915_drm_client.h > index 11b48383881d..29b116606596 100644 > --- a/drivers/gpu/drm/i915/i915_drm_client.h > +++ b/drivers/gpu/drm/i915/i915_drm_client.h > @@ -15,6 +15,8 @@ > #include <linux/sched.h> > #include <linux/xarray.h> > > +#include "gt/intel_engine_types.h" > + > struct i915_drm_clients { > struct xarray xarray; > u32 next_id; > @@ -41,6 +43,11 @@ struct i915_drm_client { > struct device_attribute pid; > struct device_attribute name; > } attr; > + > + /** > + * @past_runtime: Accumulation of pphwsp runtimes from closed contexts. > + */ > + atomic64_t past_runtime[MAX_ENGINE_CLASS + 1]; > }; > > void i915_drm_clients_init(struct i915_drm_clients *clients); > -- > 2.25.1 > > _______________________________________________ > Intel-gfx mailing list > [email protected] > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
