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igt/gem_exec_big: Also test a large batch with a large number of relocs

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2015-01-12 10:42:03 +00:00
parent 9917744176
commit b65903b7db
1 changed files with 56 additions and 3 deletions
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59
tests/gem_exec_big.c
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@ -51,7 +51,7 @@
IGT_TEST_DESCRIPTION("Run a large nop batch to stress test the error capture"
" code.");
static void exec(int fd, uint32_t handle, uint32_t reloc_ofs, unsigned flags)
static void exec1(int fd, uint32_t handle, uint32_t reloc_ofs, unsigned flags)
{
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
@ -99,6 +99,54 @@ static void exec(int fd, uint32_t handle, uint32_t reloc_ofs, unsigned flags)
igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
}
static void execN(int fd, uint32_t handle, uint32_t batch_size, unsigned flags)
{
#define reloc_ofs(N, T) ((((N)+1) << 12) - 4*(1 + ((N) == ((T)-1))))
struct drm_i915_gem_execbuffer2 execbuf;
struct drm_i915_gem_exec_object2 gem_exec[1];
struct drm_i915_gem_relocation_entry *gem_reloc;
int n, nreloc = batch_size >> 12;
uint32_t tmp;
gem_reloc = calloc(nreloc, sizeof(*gem_reloc));
igt_assert(gem_reloc);
for (n = 0; n < nreloc; n++) {
gem_reloc[n].offset = reloc_ofs(n, nreloc);
gem_reloc[n].target_handle = handle;
gem_reloc[n].read_domains = I915_GEM_DOMAIN_RENDER;
}
memset(gem_exec, 0, sizeof(gem_exec));
gem_exec[0].handle = handle;
gem_exec[0].relocation_count = nreloc;
gem_exec[0].relocs_ptr = (uintptr_t)gem_reloc;
memset(&execbuf, 0, sizeof(execbuf));
execbuf.buffers_ptr = (uintptr_t)gem_exec;
execbuf.buffer_count = 1;
execbuf.batch_start_offset = 0;
execbuf.batch_len = 8;
execbuf.flags = flags;
/* Avoid hitting slowpaths in the reloc processing which might yield a
* presumed_offset of -1. Happens when the batch is still busy from the
* last round. */
gem_sync(fd, handle);
gem_execbuf(fd, &execbuf);
for (n = 0; n < nreloc; n++)
igt_warn_on(gem_reloc[n].presumed_offset == -1);
for (n = 0; n < nreloc; n++) {
gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, 4);
igt_assert_eq(tmp, gem_reloc[n].presumed_offset);
}
free(gem_reloc);
#undef reloc_ofs
}
igt_simple_main
{
uint32_t batch[2] = {MI_BATCH_BUFFER_END};
@ -119,10 +167,15 @@ igt_simple_main
for (reloc_ofs = 4096; reloc_ofs < batch_size; reloc_ofs += 4096) {
igt_debug("batch_size %u, reloc_ofs %u\n",
batch_size, reloc_ofs);
exec(fd, handle, reloc_ofs, 0);
exec(fd, handle, reloc_ofs, I915_EXEC_SECURE);
exec1(fd, handle, reloc_ofs, 0);
exec1(fd, handle, reloc_ofs, I915_EXEC_SECURE);
}
igt_debug("batch_size %u, all %d relocs\n",
batch_size, batch_size >> 12);
execN(fd, handle, batch_size, 0);
execN(fd, handle, batch_size, I915_EXEC_SECURE);
gem_madvise(fd, handle, I915_MADV_DONTNEED);
if (batch_size < max && 2*batch_size > max)