Fixing bug in printing - Not checking if cache was instantiated (i.e., L1D for Quadro config).

[git-p4: depot-paths = "//depot/gpgpu_sim_research/fermi/distribution/": change = 16457]

1 files changed, 26 insertions, 23 deletions

diff --git a/src/gpgpu-sim/gpu-sim.cc b/src/gpgpu-sim/gpu-sim.cc
index 33393ee..dcbdfe0 100644
--- a/src/gpgpu-sim/gpu-sim.cc
+++ b/src/gpgpu-sim/gpu-sim.cc
@@ -909,32 +909,35 @@ void gpgpu_sim::gpu_print_stat()
       m_memory_partition_unit[i]->print(stdout);
 
    // L2 cache stats
-   cache_stats l2_stats;
-   struct cache_sub_stats l2_css;
-   struct cache_sub_stats total_l2_css;
-   l2_stats.clear();
-   l2_css.clear();
-   total_l2_css.clear();
+   if(!m_memory_config->m_L2_config.disabled()){
+       cache_stats l2_stats;
+       struct cache_sub_stats l2_css;
+       struct cache_sub_stats total_l2_css;
+       l2_stats.clear();
+       l2_css.clear();
+       total_l2_css.clear();
 
-   printf("\n========= L2 cache stats =========\n");
-   for (unsigned i=0;i<m_memory_config->m_n_mem;i++){
-       m_memory_partition_unit[i]->accumulate_L2cache_stats(l2_stats);
-       m_memory_partition_unit[i]->get_L2cache_sub_stats(l2_css);
+       printf("\n========= L2 cache stats =========\n");
+       for (unsigned i=0;i<m_memory_config->m_n_mem;i++){
+           m_memory_partition_unit[i]->accumulate_L2cache_stats(l2_stats);
+           m_memory_partition_unit[i]->get_L2cache_sub_stats(l2_css);
 
-       fprintf( stdout, "L2_cache_bank[%d]: Access = %u, Miss = %u, Miss_rate = %.3lf, Pending_hits = %u, Reservation_fails = %u\n",
-                i, l2_css.accesses, l2_css.misses, (double)l2_css.misses / (double)l2_css.accesses, l2_css.pending_hits, l2_css.res_fails);
+           fprintf( stdout, "L2_cache_bank[%d]: Access = %u, Miss = %u, Miss_rate = %.3lf, Pending_hits = %u, Reservation_fails = %u\n",
+                    i, l2_css.accesses, l2_css.misses, (double)l2_css.misses / (double)l2_css.accesses, l2_css.pending_hits, l2_css.res_fails);
 
-       total_l2_css += l2_css;
-   }
-   if (!m_memory_config->m_L2_config.disabled() && m_memory_config->m_L2_config.get_num_lines()) {
-      //L2c_print_cache_stat();
-      printf("L2_total_cache_accesses = %u\n", total_l2_css.accesses);
-      printf("L2_total_cache_misses = %u\n", total_l2_css.misses);
-      printf("L2_total_cache_miss_rate = %.4lf\n", (double)total_l2_css.misses/(double)total_l2_css.accesses);
-      printf("L2_total_cache_pending_hits = %u\n", total_l2_css.pending_hits);
-      printf("L2_total_cache_reservation_fails = %u\n", total_l2_css.res_fails);
-      printf("L2_total_cache_breakdown:\n");
-      l2_stats.print_stats(stdout, "L2_cache_stats_breakdown");
+           total_l2_css += l2_css;
+       }
+       if (!m_memory_config->m_L2_config.disabled() && m_memory_config->m_L2_config.get_num_lines()) {
+          //L2c_print_cache_stat();
+          printf("L2_total_cache_accesses = %u\n", total_l2_css.accesses);
+          printf("L2_total_cache_misses = %u\n", total_l2_css.misses);
+          if(total_l2_css.accesses > 0)
+              printf("L2_total_cache_miss_rate = %.4lf\n", (double)total_l2_css.misses/(double)total_l2_css.accesses);
+          printf("L2_total_cache_pending_hits = %u\n", total_l2_css.pending_hits);
+          printf("L2_total_cache_reservation_fails = %u\n", total_l2_css.res_fails);
+          printf("L2_total_cache_breakdown:\n");
+          l2_stats.print_stats(stdout, "L2_cache_stats_breakdown");
+       }
    }
 
    if (m_config.gpgpu_cflog_interval != 0) {