Interconnection traffic breakdown stats (integration from TM branch).

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16495]

1 files changed, 50 insertions, 0 deletions

diff --git a/src/gpgpu-sim/traffic_breakdown.cc b/src/gpgpu-sim/traffic_breakdown.cc
new file mode 100644
index 0000000..b21b8d8
--- /dev/null
+++ b/src/gpgpu-sim/traffic_breakdown.cc
@@ -0,0 +1,50 @@
+#include "traffic_breakdown.h" 
+#include "mem_fetch.h" 
+
+void traffic_breakdown::print(FILE* fout)
+{
+   for (traffic_stat_t::const_iterator i_stat = m_stats.begin(); i_stat != m_stats.end(); i_stat++) {
+      unsigned int byte_transferred = 0; 
+      for (traffic_class_t::const_iterator i_class = i_stat->second.begin(); i_class != i_stat->second.end(); i_class++) {
+         byte_transferred += i_class->first * i_class->second;  // byte/packet x #packets
+      }
+      fprintf(fout, "traffic_breakdown_%s[%s] = %u {", m_network_name.c_str(), i_stat->first.c_str(), byte_transferred);  
+      for (traffic_class_t::const_iterator i_class = i_stat->second.begin(); i_class != i_stat->second.end(); i_class++) {
+         fprintf(fout, "%u:%u,", i_class->first, i_class->second); 
+      }
+      fprintf(fout, "}\n"); 
+   }
+}
+
+void traffic_breakdown::record_traffic(class mem_fetch * mf, unsigned int size) 
+{
+   m_stats[classify_memfetch(mf)][size] += 1; 
+}
+
+std::string traffic_breakdown::classify_memfetch(class mem_fetch * mf)
+{
+   std::string traffic_name; 
+
+   enum mem_access_type access_type = mf->get_access_type(); 
+
+   switch (access_type) {
+   case CONST_ACC_R:    
+   case TEXTURE_ACC_R:   
+   case GLOBAL_ACC_W:   
+   case LOCAL_ACC_R:    
+   case LOCAL_ACC_W:    
+   case INST_ACC_R:     
+   case L1_WRBK_ACC:    
+   case L2_WRBK_ACC:    
+   case L2_WR_ALLOC_R:  
+      traffic_name = mem_access_type_str(access_type); 
+      break; 
+   case GLOBAL_ACC_R:   
+      // check for global atomic operation 
+      traffic_name = (mf->isatomic())? "GLOBAL_ATOMIC" : mem_access_type_str(GLOBAL_ACC_R); 
+      break; 
+   default: assert(0 && "Unknown traffic type"); 
+   }
+   return traffic_name; 
+}
+