linux进程内存查看Linux进程内存占用情况查看

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pmap -x 26351
26351:   ruby test.rb
Address           Kbytes     RSS   Dirty Mode   Mapping
0000000000400000       4       4       0 r-x--  ruby
0000000000600000       4       4       4 rw---  ruby
000000000078f000    8308    8200    8200 rw---    [ anon ]
0000003434800000     128     116       0 r-x--  ld-2.12.so
----------------  ------  ------  ------

total kB          168724   12456    8620

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cat /proc/26351/maps
00400000-00401000 r-xp 00000000 08:03 832052                             /usr/local/bin/ruby
00600000-00601000 rw-p 00000000 08:03 832052                             /usr/local/bin/ruby
0078f000-00f28000 rw-p 00000000 00:00 0                                  [heap]

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gdb --batch-silent --eval-command 'dump memory /tmp/test  0x7fe3fc000000 0x7fe4036a0000' -p  9395

gdb --batch-silent --eval-command 'dump memory /tmp/test  0x7f18e4000000 0x7f18e8000000' -p
7f18e4000000-7f18e8000000

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strings /tmp/test  | more

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r = {}; `strings /tmp/test`.split("n").each{|x| r.has_key?(x) ? r[x] +=1 : r[x] = 1}; ''
r.sort_by{|k,v| v}.reverse[0..50]