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Diffstat (limited to 'manual/tunables.texi')
| -rw-r--r-- | manual/tunables.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/manual/tunables.texi b/manual/tunables.texi index 658547c613..10f4d75993 100644 --- a/manual/tunables.texi +++ b/manual/tunables.texi @@ -309,6 +309,17 @@ changed once allocated at process startup. The default allocation of optional static TLS is 512 bytes and is allocated in every thread. @end deftp +@deftp Tunable glibc.rtld.dynamic_sort +Sets the algorithm to use for DSO sorting, valid values are @samp{1} and +@samp{2}. For value of @samp{1}, an older O(n^3) algorithm is used, which is +long time tested, but may have performance issues when dependencies between +shared objects contain cycles due to circular dependencies. When set to the +value of @samp{2}, a different algorithm is used, which implements a +topological sort through depth-first search, and does not exhibit the +performance issues of @samp{1}. + +The default value of this tunable is @samp{1}. +@end deftp @node Elision Tunables @section Elision Tunables |