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drm/i915/selftests: Try to recycle context allocations

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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
This commit is contained in:
Chris Wilson 2019-08-27 17:17:26 +01:00
parent f2085c8e95
commit c4e6488120
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/i915/gem/selftests/i915_gem_context.c
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@ -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",