flywithu/ntel-gpu-tools
1
0
Fork 0
mirror of https://github.com/tiagovignatti/intel-gpu-tools.git synced 2025-06-11 01:46:14 +00:00
Code Issues Releases Wiki Activity

igt/gem_evict_everything: Compute number of surfaces to saturate the aperture

Browse Source 
The goal is to only fill the aperture, not all of memory, so fine-tune
the computed number of surfaces, hopefully avoiding an integer overflow
in the process.

References: https://bugs.freedesktop.org/show_bug.cgi?id=79573
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2014-06-05 13:19:39 +01:00
parent 5141b21f91
commit a1a8aa16fb
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
tests/eviction_common.c
View File

@ -74,9 +74,9 @@ static int minor_evictions(int fd, struct igt_eviction_test_ops *ops,
nr_surfaces *= 7;
nr_surfaces += 3;
total_surfaces = (uint64_t)intel_get_total_ram_mb() * 9 /10 * 1024 *1024 / surface_size;
total_surfaces = gem_aperture_size(fd) / surface_size + 1;
igt_require(nr_surfaces < total_surfaces);
igt_require(total_surfaces * surface_size > gem_aperture_size(fd));
igt_require(intel_check_memory(total_surfaces, surface_size, CHECK_RAM));
bo = malloc((nr_surfaces + total_surfaces)*sizeof(*bo));
igt_assert(bo);