pmap -d <<pid>>

Determining the excat memory usages by certain PID

this command gives you the total number of memory usuage and open files by the perticuler PID.
Sample Output
00007f1a55e86000      4K      4K      0K      4K r--p 000000000001d000 08:02  /lib64/ld-2.8.so
00007f1a55e87000      4K      4K      4K      4K rw-p 000000000001e000 08:02  /lib64/ld-2.8.so
00007f1a55e88000    392K    264K      5K      0K r-xp 0000000000000000 08:02  /usr/sbin/httpd2-prefork
00007f1a560e9000      8K      8K      0K      8K r--p 0000000000061000 08:02  /usr/sbin/httpd2-prefork
00007f1a560eb000     12K     12K      8K     12K rw-p 0000000000063000 08:02  /usr/sbin/httpd2-prefork
00007f1a560ee000   8540K   8208K   6564K   8208K rw-p 00007f1a560ee000 00:00  [heap]
00007fff5decb000    124K    124K    124K    124K rw-p 00007ffffffe0000 00:00  [stack]
00007fff5dffe000      8K      4K      0K      0K r-xp 00007fff5dffe000 00:00  [vdso]
ffffffffff600000      4K      0K      0K      0K r-xp 0000000000000000 00:00  [vsyscall]
Total:           411136K  45916K   7838K  18240K

10188K writable-private, 232120K readonly-private, 168828K shared, and 44152K referenced

6
By: r00t4u
2009-12-06 05:34:46

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