SoFunction
Updated on 2025-03-10

How to view the actual memory usage of the process


[root@localhost ~]# cat /proc/5627/smaps
00110000-00112000 r-xp 00000000 08:02 652817     /home/mic_lib_2012-04-21-03-16-32/
Size:                  8 kB
Rss:                   8 kB
Pss:                   1 kB
Shared_Clean:          8 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:         0 kB
Referenced:            8 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
00112000-00113000 rw-p 00001000 08:02 652817     /home/mic_lib_2012-04-21-03-16-32/
Size:                  4 kB
Rss:                   4 kB
Pss:                   4 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:         4 kB
Referenced:            4 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
08048000-080a2000 r-xp 00000000 08:02 1044485    /home/execute_2012-04-21-03-16-32/mrfc
Size:
Rss:                                                             �
Pss:                 156 kB
Shared_Clean:                  0 kB—Shared part, dynamic link library
Shared_Dirty:          0 kB
Private_Clean:         156 kB – Private part.
Private_Dirty:         0 kB
Referenced:          156 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
09f43000-09f87000 rw-p 00000000 00:00 0             [heap]——The heap memory
Size:                272 kB
Rss:                 184 kB
Pss:                 184 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:       184 kB
Referenced:          184 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
b6cfc000-b6cfd000 ---p 00000000 00:00 0
Size:                  4 kB
Rss:                   0 kB
Pss:                   0 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:         0 kB
Referenced:            0 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
b6cfd000-b7703000 rw-p 00000000 00:00 0
Size:              10264 kB
Rss:                  28 kB
Pss:                  28 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:        28 kB
Referenced:           28 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
b7714000-b7716000 rw-p 00000000 00:00 0
Size:                  8 kB
Rss:                   8 kB
Pss:                   8 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:         8 kB
Referenced:            8 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB
bfed4000-bfee9000 rw-p 000000000 00:00 0               [stack]——Stack memory.
Size:                 88 kB
Rss:                  44 kB
Pss:                  44 kB
Shared_Clean:          0 kB
Shared_Dirty:          0 kB
Private_Clean:         0 kB
Private_Dirty:        44 kB
Referenced:           44 kB
Swap:                  0 kB
KernelPageSize:        4 kB
MMUPageSize:           4 kB