Δίνοντας options στην εντολή time

[V13]

On Sunday 01 June 2008, Nick Demou wrote:
> συνεπώς λόγω της ατυχούς διατύπωσης στο man page του ps ("the memory
> that a task has used" αντί για "is using") η απορία του Γιώργου ήταν

Gia na leme kai toy straboy to dikio, den einai kai toso atyxis. Ean den 
oriseis xroniko diastima den mporeis na anafertheis sth mnimi poy 
xrisimopoieitai (kati san na leme "Nomizo oti den katalabaineis ti *akribos* 
rotas").

P.x: ena programma xrisimopoihse 1MB ta teleytaia 10 lepta alla tora (ta 
teleytaia 10 deyterolepta) xrisimopoiei 100KB.

H eksodos einai akribos ayto poy perigrafei to man page:
"resident set size, the non-swapped physical memory that a task has used".

Diladi, apo to synolo ths mnimis poy exei 'xrisimopoihsei' (*) ena process 
katholi ti diarkeia ths zois toy, to meros to opoio den exei ginei (enoeitai 
to: "eos tora", h alios: "ayth ti stigmi") swap-out. Den anaferei poythena th 
leksi 'megisto' h kati allo.

(*) To "xrisimopoihsei" einai sxedon aparaititi synthiki gia na brisketai kati 
sth mnimi kai oxi p.x sto disko (mmap()) h sta 'xartia' (malloc() mnimis poy 
den xrisimopoihthike).

Se kathe periptosi pantos, den nomizo oti yparxei logos diafonias mias kai 
eksarxis o Giorgos eixe apla aporia pano sto thema, kati to opoio einai 
apolyta themito.

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