maurice/snix
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

nix-store --optimise: Remove bogus statistics

Browse source
This commit is contained in:
Eelco Dolstra 2014-05-15 11:33:46 +02:00
parent 690adeb03d
commit 84813af5b9
3 changed files with 9 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

6
src/libstore/local-store.hh
View file

@ -34,14 +34,12 @@ struct Derivation;
struct OptimiseStats
{
unsigned long totalFiles;
unsigned long sameContents;
unsigned long filesLinked;
unsigned long long bytesFreed;
unsigned long long blocksFreed;
OptimiseStats()
{
totalFiles = sameContents = filesLinked = 0;
filesLinked = 0;
bytesFreed = blocksFreed = 0;
}
};
@ -315,7 +313,7 @@ private:
#endif
InodeHash loadInodeHash();
Strings readDirectoryIgnoringInodes(const Path & path, const InodeHash & inodeHash, OptimiseStats & stats);
Strings readDirectoryIgnoringInodes(const Path & path, const InodeHash & inodeHash);
void optimisePath_(OptimiseStats & stats, const Path & path, InodeHash & inodeHash);
// Internal versions that are not wrapped in retry_sqlite.

11
src/libstore/optimise-store.cc
View file

@ -39,6 +39,7 @@ struct MakeReadOnly
}
};
LocalStore::InodeHash LocalStore::loadInodeHash()
{
printMsg(lvlDebug, "loading hash inodes in memory");
@ -60,7 +61,8 @@ LocalStore::InodeHash LocalStore::loadInodeHash()
return inodeHash;
}
Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHash & inodeHash, OptimiseStats & stats)
Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHash & inodeHash)
{
Strings names;
@ -73,7 +75,6 @@ Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHa
if (inodeHash.count(dirent->d_ino)) {
printMsg(lvlDebug, format("`%1%' is already linked") % dirent->d_name);
stats.totalFiles++;
continue;
}
@ -86,6 +87,7 @@ Strings LocalStore::readDirectoryIgnoringInodes(const Path & path, const InodeHa
return names;
}
void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHash & inodeHash)
{
checkInterrupt();
@ -95,7 +97,7 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
throw SysError(format("getting attributes of path `%1%'") % path);
if (S_ISDIR(st.st_mode)) {
Strings names = readDirectoryIgnoringInodes(path, inodeHash, stats);
Strings names = readDirectoryIgnoringInodes(path, inodeHash);
foreach (Strings::iterator, i, names)
optimisePath_(stats, path + "/" + *i, inodeHash);
return;
@ -117,8 +119,6 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
return;
}
stats.totalFiles++;
/* This can still happen on top-level files */
if (st.st_nlink > 1 && inodeHash.count(st.st_ino)) {
printMsg(lvlDebug, format("`%1%' is already linked, with %2% other file(s).") % path % (st.st_nlink - 2));
@ -158,7 +158,6 @@ void LocalStore::optimisePath_(OptimiseStats & stats, const Path & path, InodeHa
if (lstat(linkPath.c_str(), &stLink))
throw SysError(format("getting attributes of path `%1%'") % linkPath);
stats.sameContents++;
if (st.st_ino == stLink.st_ino) {
printMsg(lvlDebug, format("`%1%' is already linked to `%2%'") % path % linkPath);
return;

6
src/nix-store/nix-store.cc
View file

@ -801,11 +801,9 @@ static void opRepairPath(Strings opFlags, Strings opArgs)
static void showOptimiseStats(OptimiseStats & stats)
{
printMsg(lvlError,
format("%1% freed by hard-linking %2% files; there are %3% files with equal contents out of %4% files in total")
format("%1% freed by hard-linking %2% files")
% showBytes(stats.bytesFreed)
% stats.filesLinked
% stats.sameContents
% stats.totalFiles);
% stats.filesLinked);
}