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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 /malloc/Makefile | |
| parent | 3cefdd7310a5d1fad45648d9346e47df9c185fdc (diff) | |
| download | glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.tar.gz glibc-d5c3fafc4307c9b7a4c7d5cb381fcdbfad340bcc.tar.xz 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 'malloc/Makefile')
| -rw-r--r-- | malloc/Makefile | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/malloc/Makefile b/malloc/Makefile index b50de7cd6c..3fa395b949 100644 --- a/malloc/Makefile +++ b/malloc/Makefile @@ -189,6 +189,11 @@ tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV) tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3 tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV) +ifeq ($(experimental-malloc),yes) +CPPFLAGS-malloc.c += -DUSE_TCACHE=1 +else +CPPFLAGS-malloc.c += -DUSE_TCACHE=0 +endif # Uncomment this for test releases. For public releases it is too expensive. #CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1 |