Could some one direct me to a command to measure TLB misses on LINUX, please? Is it okay to consider (or approximate) minor page faults as TLB misses? 
Command to measure TLB misses on LINUX?
linux;profiling
You can use perf to access the hardware performance counters:$ perf stat -e dTLB-load-misses,iTLB-load-misses /path/to/commande.g. :$ perf stat -e dTLB-load-misses,iTLB-load-misses /bin/ls > /dev/null Performance counter stats for '/bin/ls':             5,775 dTLB-load-misses                                                         1,059 iTLB-load-misses                                                   0.001897682 seconds time elapsed