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| author | DJ Delorie <dj@delorie.com> | 2017-07-06 13:37:30 -0400 |
|---|---|---|
| committer | DJ Delorie <dj@delorie.com> | 2017-07-06 13:37:30 -0400 |
| commit | d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc (patch) | |
| tree | 380cfbc329860434d6b29825bd02ba5f0c7d4b30 /manual/probes.texi | |
| parent | 3cefdd7310a5d1fad45648d9346e47df9c185fdc (diff) | |
| download | glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.tar glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.tar.gz glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.tar.bz2 glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.zip | |
Add per-thread cache to malloc
* config.make.in: Enable experimental malloc option.
* configure.ac: Likewise.
* configure: Regenerate.
* manual/install.texi: Document it.
* INSTALL: Regenerate.
* malloc/Makefile: Likewise.
* malloc/malloc.c: Add per-thread cache (tcache).
(tcache_put): New.
(tcache_get): New.
(tcache_thread_freeres): New.
(tcache_init): New.
(__libc_malloc): Use cached chunks if available.
(__libc_free): Initialize tcache if needed.
(__libc_realloc): Likewise.
(__libc_calloc): Likewise.
(_int_malloc): Prefill tcache when appropriate.
(_int_free): Likewise.
(do_set_tcache_max): New.
(do_set_tcache_count): New.
(do_set_tcache_unsorted_limit): New.
* manual/probes.texi: Document new probes.
* malloc/arena.c: Add new tcache tunables.
* elf/dl-tunables.list: Likewise.
* manual/tunables.texi: Document them.
* NEWS: Mention the per-thread cache.
Diffstat (limited to 'manual/probes.texi')
| -rw-r--r-- | manual/probes.texi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/manual/probes.texi b/manual/probes.texi index eb91c62703..96acaed206 100644 --- a/manual/probes.texi +++ b/manual/probes.texi @@ -231,6 +231,25 @@ dynamic brk/mmap thresholds. Argument @var{$arg1} and @var{$arg2} are the adjusted mmap and trim thresholds, respectively. @end deftp +@deftp Probe memory_tunable_tcache_max_bytes (int @var{$arg1}, int @var{$arg2}) +This probe is triggered when the @code{glibc.malloc.tcache_max} +tunable is set. Argument @var{$arg1} is the requested value, and +@var{$arg2} is the previous value of this tunable. +@end deftp + +@deftp Probe memory_tunable_tcache_count (int @var{$arg1}, int @var{$arg2}) +This probe is triggered when the @code{glibc.malloc.tcache_count} +tunable is set. Argument @var{$arg1} is the requested value, and +@var{$arg2} is the previous value of this tunable. +@end deftp + +@deftp Probe memory_tunable_tcache_unsorted_limit (int @var{$arg1}, int @var{$arg2}) +This probe is triggered when the +@code{glibc.malloc.tcache_unsorted_limit} tunable is set. Argument +@var{$arg1} is the requested value, and @var{$arg2} is the previous +value of this tunable. +@end deftp + @node Mathematical Function Probes @section Mathematical Function Probes |