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authorTimothy Arceri <tarceri@itsqueeze.com>2017-03-09 10:51:01 +1100
committerTimothy Arceri <tarceri@itsqueeze.com>2017-03-15 11:15:10 +1100
commite2c4435b078a1471b044219552873a54b1817bac (patch)
tree8b980f727cd1888090e30baf255489ad26b6637e
parent7372e3cf5f2df9dd2ec0423a4425baad098bf326 (diff)
util/disk_cache: add thread queue to disk cache
Reviewed-by: Marek Olšák <marek.olsak@amd.com> Reviewed-by: Grazvydas Ignotas <notasas@gmail.com>
-rw-r--r--src/util/disk_cache.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c
index facdcecf7ca..19b593b76d4 100644
--- a/src/util/disk_cache.c
+++ b/src/util/disk_cache.c
@@ -41,6 +41,7 @@
#include "util/crc32.h"
#include "util/u_atomic.h"
+#include "util/u_queue.h"
#include "util/mesa-sha1.h"
#include "util/ralloc.h"
#include "main/errors.h"
@@ -60,6 +61,9 @@ struct disk_cache {
/* The path to the cache directory. */
char *path;
+ /* Thread queue for compressing and writing cache entries to disk */
+ struct util_queue cache_queue;
+
/* A pointer to the mmapped index file within the cache directory. */
uint8_t *index_mmap;
size_t index_mmap_size;
@@ -377,6 +381,14 @@ disk_cache_create(const char *gpu_name, const char *timestamp)
cache->max_size = max_size;
+ /* A limit of 32 jobs was choosen as observations of Deus Ex start-up times
+ * showed that we reached at most 11 jobs on an Intel i5-6400 CPU@2.70GHz
+ * (a fairly modest desktop CPU). 1 thread was chosen because we don't
+ * really care about getting things to disk quickly just that it's not
+ * blocking other tasks.
+ */
+ util_queue_init(&cache->cache_queue, "disk_cache", 32, 1);
+
ralloc_free(local);
return cache;
@@ -394,8 +406,10 @@ disk_cache_create(const char *gpu_name, const char *timestamp)
void
disk_cache_destroy(struct disk_cache *cache)
{
- if (cache)
+ if (cache) {
+ util_queue_destroy(&cache->cache_queue);
munmap(cache->index_mmap, cache->index_mmap_size);
+ }
ralloc_free(cache);
}