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authorThomas Schwinge <thomas@codesourcery.com>2019-05-17 21:13:36 +0200
committerThomas Schwinge <tschwinge@gcc.gnu.org>2019-05-17 21:13:36 +0200
commit5fae049dc272144f8e61af94ee0ba42b270915e5 (patch)
tree6108e18ecb0a9f9190bb4d03730bba8cd80654f1 /libgomp/oacc-cuda.c
parentb48f44bf77a39fefc238a16cf1225c6464c82406 (diff)
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OpenACC Profiling Interface (incomplete)
libgomp/ * acc_prof.h: New file. * oacc-profiling.c: Likewise. * Makefile.am (nodist_libsubinclude_HEADERS, libgomp_la_SOURCES): Add these, respectively. * Makefile.in: Regenerate. * env.c (initialize_env): Call goacc_profiling_initialize. * oacc-plugin.c (GOMP_PLUGIN_goacc_thread) (GOMP_PLUGIN_goacc_profiling_dispatch): New functions. * oacc-plugin.h (GOMP_PLUGIN_goacc_thread) (GOMP_PLUGIN_goacc_profiling_dispatch): Declare. * libgomp.map (OACC_2.5.1): Add acc_prof_lookup, acc_prof_register, acc_prof_unregister, and acc_register_library. (GOMP_PLUGIN_1.3): Add GOMP_PLUGIN_goacc_profiling_dispatch, and GOMP_PLUGIN_goacc_thread. * oacc-int.h (struct goacc_thread): Add prof_info, api_info, prof_callbacks_enabled members. (goacc_prof_enabled, goacc_profiling_initialize) (_goacc_profiling_dispatch_p, _goacc_profiling_setup_p) (goacc_profiling_dispatch): Declare. (GOACC_PROF_ENABLED, GOACC_PROFILING_DISPATCH_P) (GOACC_PROFILING_SETUP_P): Define. * oacc-async.c (acc_async_test, acc_async_test_all, acc_wait) (acc_wait_async, acc_wait_all, acc_wait_all_async): Update for OpenACC Profiling Interface. * oacc-cuda.c (acc_get_current_cuda_device) (acc_get_current_cuda_context, acc_get_cuda_stream) (acc_set_cuda_stream): Likewise. * oacc-init.c (acc_init_1, goacc_attach_host_thread_to_device) (acc_init, acc_set_device_type, acc_get_device_type) (acc_get_device_num, goacc_lazy_initialize): Likewise. * oacc-mem.c (acc_malloc, acc_free, memcpy_tofrom_device) (acc_deviceptr, acc_hostptr, acc_is_present, acc_map_data) (acc_unmap_data, present_create_copy, delete_copyout) (update_dev_host): Likewise. * oacc-parallel.c (GOACC_parallel_keyed, GOACC_data_start) (GOACC_data_end, GOACC_enter_exit_data, GOACC_update, GOACC_wait): Likewise. * plugin/plugin-nvptx.c (nvptx_exec, nvptx_alloc, nvptx_free) (GOMP_OFFLOAD_openacc_exec, GOMP_OFFLOAD_openacc_async_exec): Likewise. * libgomp.texi: Update. * testsuite/libgomp.oacc-c-c++-common/acc_prof-dispatch-1.c: New file. * testsuite/libgomp.oacc-c-c++-common/acc_prof-init-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_prof-kernels-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_prof-parallel-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_prof-valid_bytes-1.c: Likewise. * testsuite/libgomp.oacc-c-c++-common/acc_prof-version-1.c: Likewise. From-SVN: r271346
Diffstat (limited to 'libgomp/oacc-cuda.c')
-rw-r--r--libgomp/oacc-cuda.c81
1 files changed, 71 insertions, 10 deletions
diff --git a/libgomp/oacc-cuda.c b/libgomp/oacc-cuda.c
index 1a6946c..07951df 100644
--- a/libgomp/oacc-cuda.c
+++ b/libgomp/oacc-cuda.c
@@ -37,10 +37,23 @@ acc_get_current_cuda_device (void)
{
struct goacc_thread *thr = goacc_thread ();
+ void *ret = NULL;
if (thr && thr->dev && thr->dev->openacc.cuda.get_current_device_func)
- return thr->dev->openacc.cuda.get_current_device_func ();
+ {
+ acc_prof_info prof_info;
+ acc_api_info api_info;
+ bool profiling_p = GOACC_PROFILING_SETUP_P (thr, &prof_info, &api_info);
+
+ ret = thr->dev->openacc.cuda.get_current_device_func ();
+
+ if (profiling_p)
+ {
+ thr->prof_info = NULL;
+ thr->api_info = NULL;
+ }
+ }
- return NULL;
+ return ret;
}
void *
@@ -48,10 +61,23 @@ acc_get_current_cuda_context (void)
{
struct goacc_thread *thr = goacc_thread ();
+ void *ret = NULL;
if (thr && thr->dev && thr->dev->openacc.cuda.get_current_context_func)
- return thr->dev->openacc.cuda.get_current_context_func ();
-
- return NULL;
+ {
+ acc_prof_info prof_info;
+ acc_api_info api_info;
+ bool profiling_p = GOACC_PROFILING_SETUP_P (thr, &prof_info, &api_info);
+
+ ret = thr->dev->openacc.cuda.get_current_context_func ();
+
+ if (profiling_p)
+ {
+ thr->prof_info = NULL;
+ thr->api_info = NULL;
+ }
+ }
+
+ return ret;
}
void *
@@ -62,14 +88,32 @@ acc_get_cuda_stream (int async)
if (!async_valid_p (async))
return NULL;
+ void *ret = NULL;
if (thr && thr->dev && thr->dev->openacc.cuda.get_stream_func)
{
goacc_aq aq = lookup_goacc_asyncqueue (thr, false, async);
- if (aq)
- return thr->dev->openacc.cuda.get_stream_func (aq);
+ if (!aq)
+ return ret;
+
+ acc_prof_info prof_info;
+ acc_api_info api_info;
+ bool profiling_p = GOACC_PROFILING_SETUP_P (thr, &prof_info, &api_info);
+ if (profiling_p)
+ {
+ prof_info.async = async;
+ prof_info.async_queue = prof_info.async;
+ }
+
+ ret = thr->dev->openacc.cuda.get_stream_func (aq);
+
+ if (profiling_p)
+ {
+ thr->prof_info = NULL;
+ thr->api_info = NULL;
+ }
}
-
- return NULL;
+
+ return ret;
}
int
@@ -87,6 +131,15 @@ acc_set_cuda_stream (int async, void *stream)
int ret = -1;
if (thr && thr->dev && thr->dev->openacc.cuda.set_stream_func)
{
+ acc_prof_info prof_info;
+ acc_api_info api_info;
+ bool profiling_p = GOACC_PROFILING_SETUP_P (thr, &prof_info, &api_info);
+ if (profiling_p)
+ {
+ prof_info.async = async;
+ prof_info.async_queue = prof_info.async;
+ }
+
goacc_aq aq = get_goacc_asyncqueue (async);
/* Due to not using an asyncqueue for "acc_async_sync", this cannot be
used to change the CUDA stream associated with "acc_async_sync". */
@@ -95,11 +148,19 @@ acc_set_cuda_stream (int async, void *stream)
assert (async == acc_async_sync);
gomp_debug (0, "Refusing request to set CUDA stream associated"
" with \"acc_async_sync\"\n");
- return 0;
+ ret = 0;
+ goto out_prof;
}
gomp_mutex_lock (&thr->dev->openacc.async.lock);
ret = thr->dev->openacc.cuda.set_stream_func (aq, stream);
gomp_mutex_unlock (&thr->dev->openacc.async.lock);
+
+ out_prof:
+ if (profiling_p)
+ {
+ thr->prof_info = NULL;
+ thr->api_info = NULL;
+ }
}
return ret;