From abc08cba366a64a07f7f4deb167ae7d6ae059958 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Wed, 18 Oct 2017 13:29:38 +0100 Subject: lib: Free all internal buffers before measuring available memory Release the internal caches (by flushing the idle_worker) to maximise the available memory for use by tests (and to reduce sporadic skipping when on the cusp). Signed-off-by: Chris Wilson Reviewed-by: Joonas Lahtinen --- lib/intel_os.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/intel_os.c b/lib/intel_os.c index 6e0a46b3..a77566c1 100644 --- a/lib/intel_os.c +++ b/lib/intel_os.c @@ -297,7 +297,7 @@ void intel_purge_vm_caches(int drm_fd) { int fd; - igt_drop_caches_set(drm_fd, DROP_SHRINK_ALL); + igt_drop_caches_set(drm_fd, DROP_SHRINK_ALL | DROP_IDLE | DROP_FREED); fd = open("/proc/sys/vm/drop_caches", O_WRONLY); if (fd >= 0) { -- cgit v1.2.3