plot_model: add axis labels to stacked plots

python/plot_model.py

@@ -234,7 +234,7 @@ for numa_comp in range(topo.nb_numa_nodes_total):
         ax.grid(axis='y')
         ax.xaxis.set_major_locator(MaxNLocator(integer=True))
         ax.set_axisbelow(True)
-        ax.set(title=f"Comp {numa_comp} Comm {numa_comm}")
+        ax.set(title=f"Comp {numa_comp} Comm {numa_comm}", xlabel="Number of computing Cores", ylabel="Memory Bandwidth (MB/s)")
         plt.savefig(f"{cli_args.comp_kernel}/comp_{numa_comp}_comm_{numa_comm}_stacked{picture_file_suffix}")