drm/i915/selftests: Try to recycle context allocations (c4e64881) · Commits · 戴 / test

igt_ctx_exec allocates a new context for each iteration, keeping them all allocated until the end. Instead, release the local ctx reference at the end of each iteration, allowing ourselves to reap those if under mempressure. Signed-off-by:

Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by:

Matthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190827161726.3640-2-chris@chris-wilson.co.uk

drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -424,7 +424,7 @@ static int igt_ctx_exec(void *arg)
		struct i915_gem_context *ctx;
		struct intel_context *ce;

		ctx = live_context(i915, file);
		ctx = kernel_context(i915);
		if (IS_ERR(ctx)) {
		err = PTR_ERR(ctx);
		goto out_unlock;
		@@ -438,6 +438,7 @@ static int igt_ctx_exec(void *arg)
		if (IS_ERR(obj)) {
		err = PTR_ERR(obj);
		intel_context_put(ce);
		kernel_context_close(ctx);
		goto out_unlock;
		}
		}
		@@ -449,12 +450,14 @@ static int igt_ctx_exec(void *arg)
		engine->name, ctx->hw_id,
		yesno(!!ctx->vm), err);
		intel_context_put(ce);
		kernel_context_close(ctx);
		goto out_unlock;
		}

		err = throttle(ce, tq, ARRAY_SIZE(tq));
		if (err) {
		intel_context_put(ce);
		kernel_context_close(ctx);
		goto out_unlock;
		}

		@@ -467,6 +470,7 @@ static int igt_ctx_exec(void *arg)
		ncontexts++;

		intel_context_put(ce);
		kernel_context_close(ctx);
		}

		pr_info("Submitted %lu contexts to %s, filling %lu dwords\n",

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