diff options
| author | Marek Olšák <[email protected]> | 2018-10-01 15:51:06 -0400 |
|---|---|---|
| committer | Marek Olšák <[email protected]> | 2018-10-06 22:05:58 -0400 |
| commit | d877451b48a59ab0f9a4210fc736f51da5851c9a (patch) | |
| tree | 267f260015d8ac2f9664c9d5c575bf0f66ee7e20 /src/util | |
| parent | 066aa44fc56d277b3932d124c4962106c6962863 (diff) | |
util/u_queue: add UTIL_QUEUE_INIT_SET_FULL_THREAD_AFFINITY
Initial version discussed with Rob Clark under a different patch name.
This approach leaves his driver unaffected.
Diffstat (limited to 'src/util')
| -rw-r--r-- | src/util/disk_cache.c | 3 | ||||
| -rw-r--r-- | src/util/u_queue.c | 14 | ||||
| -rw-r--r-- | src/util/u_queue.h | 1 |
3 files changed, 17 insertions, 1 deletions
diff --git a/src/util/disk_cache.c b/src/util/disk_cache.c index 368ec417927..0aa2646a9bb 100644 --- a/src/util/disk_cache.c +++ b/src/util/disk_cache.c @@ -378,7 +378,8 @@ disk_cache_create(const char *gpu_name, const char *driver_id, */ util_queue_init(&cache->cache_queue, "disk$", 32, 1, UTIL_QUEUE_INIT_RESIZE_IF_FULL | - UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY); + UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY | + UTIL_QUEUE_INIT_SET_FULL_THREAD_AFFINITY); cache->path_init_failed = false; diff --git a/src/util/u_queue.c b/src/util/u_queue.c index 22d2cdd0fa2..3812c824b6d 100644 --- a/src/util/u_queue.c +++ b/src/util/u_queue.c @@ -239,6 +239,20 @@ util_queue_thread_func(void *input) free(input); +#ifdef HAVE_PTHREAD_SETAFFINITY + if (queue->flags & UTIL_QUEUE_INIT_SET_FULL_THREAD_AFFINITY) { + /* Don't inherit the thread affinity from the parent thread. + * Set the full mask. + */ + cpu_set_t cpuset; + CPU_ZERO(&cpuset); + for (unsigned i = 0; i < CPU_SETSIZE; i++) + CPU_SET(i, &cpuset); + + pthread_setaffinity_np(pthread_self(), sizeof(cpuset), &cpuset); + } +#endif + if (strlen(queue->name) > 0) { char name[16]; util_snprintf(name, sizeof(name), "%s%i", queue->name, thread_index); diff --git a/src/util/u_queue.h b/src/util/u_queue.h index 714d9243f00..4e63a76aab2 100644 --- a/src/util/u_queue.h +++ b/src/util/u_queue.h @@ -48,6 +48,7 @@ extern "C" { #define UTIL_QUEUE_INIT_USE_MINIMUM_PRIORITY (1 << 0) #define UTIL_QUEUE_INIT_RESIZE_IF_FULL (1 << 1) +#define UTIL_QUEUE_INIT_SET_FULL_THREAD_AFFINITY (1 << 2) #if defined(__GNUC__) && defined(HAVE_LINUX_FUTEX_H) #define UTIL_QUEUE_FENCE_FUTEX |