Am 19.09.2010 13:34, schrieb Alex Schuster: > Alan McKinnon writes: >> Like I posted in another thread today, the memory columns in top do not >> mean what most people think they mean, nor are they simplistic. > > You gave the example of Thunderbird using 150M and Firefox 180M, but > together they would not use 330M because some stuff is shared. Hm, isn't > this what the SHR column in top is for? In Florian's case, there is > firefox with 484M in the RES column and thunderbird with 146M, but the SHA > column gives 10M + 15M, so only 25M of 630M are shared? >
I thought the SHR column is about shared memory like System-V SHM, mmap and Pipes when used for inter-process communication. But I could be wrong.
