popularity-contest: popcon tries to access dpkg internal files and fails with multiarch: same packageso
Bill Allombert wrote:
> This is not possible: forking dpkg for all installed packages would be way to slow and
> resource intensive. We need a better option.
It seems that what popularity-contest currently does is something like
for each installed package:
for each file in its files list which is under /bin, /sbin,
/usr/bin, /usr/sbin, a subdirectory of /lib,
or /usr/games, or is a .a, .h, .pm, .php,
/boot/System.map- file, or is currently
in use by a process:
check its atime and ctime and store corresponding results.
In an ideal world on seeky disk drives, it would be better to read
.list files in the order stored on the file system. Being lazy, I'll
just ask: does dpkg have an interface that could learn to do that in
the future? That is, I'm imagining a command that will give a dump
Bonus points if this interface has an option to point to the file on
disk rather than asking the caller to take care of tracking down
Of course alternative methods might be possible; I ask the above
because I am worried about the memory usage from
"dpkg-query -L $(list-all-packages)".
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