Thread management

This MR updates the implementation of thread priority and core binding.

Thread priority and core binding is now set by the thread creator, rather than within the created thread.

profile/clockwork/profile/model/profilecuda.cpp

@@ -8,6 +8,7 @@
 #include <atomic>
 #include <thread>
 #include <unistd.h>
+#include "clockwork/thread.h"
 
 using namespace clockwork;
 
@@ -77,8 +78,6 @@ public:
     }
 
     void run(unsigned gpu_id, void* host, size_t host_size, std::vector<unsigned> cores) {
-        util::set_cores(cores);
-
         status = cudaSetDevice(gpu_id);
         if (!successful()) { countdown_begin--; countdown_end--; return; };
 
@@ -162,7 +161,7 @@ TEST_CASE("Profile concurrent transfers on single GPU", "[singlegpu]") {
     std::atomic_int countdown_end(1);
     std::atomic_bool alive(true);
 
-    auto cores0 = util::get_gpu_core_affinity(0);
+    auto cores0 = threading::getGPUCoreAffinity(0);
 
     TransferThread t0(0, cores0, countdown_begin, countdown_end, alive, host, host_size);
 
@@ -203,7 +202,7 @@ TEST_CASE("Profile concurrent transfers on same GPU", "[samegpu]") {
     std::atomic_int countdown_end(2);
     std::atomic_bool alive(true);
 
-    auto cores0 = util::get_gpu_core_affinity(0);
+    auto cores0 = threading::getGPUCoreAffinity(0);
 
     TransferThread t0(0, cores0, countdown_begin, countdown_end, alive, host, host_size);
     TransferThread t1(0, cores0, countdown_begin, countdown_end, alive, host, host_size);
@@ -246,8 +245,8 @@ TEST_CASE("Profile concurrent transfers on multiple GPUs", "[multigpu]") {
     std::atomic_int countdown_end(2);
     std::atomic_bool alive(true);
 
-    auto cores0 = util::get_gpu_core_affinity(0);
-    auto cores1 = util::get_gpu_core_affinity(1);
+    auto cores0 = threading::getGPUCoreAffinity(0);
+    auto cores1 = threading::getGPUCoreAffinity(1);
 
     TransferThread t0(0, cores0, countdown_begin, countdown_end, alive, host, host_size);
     TransferThread t1(1, cores1, countdown_begin, countdown_end, alive, host, host_size);