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| author | Henrik Edin <henrik.edin@mongodb.com> | 2019-01-29 13:25:40 -0500 |
|---|---|---|
| committer | Aliaksey Kandratsenka <alkondratenko@gmail.com> | 2020-02-09 23:26:06 -0800 |
| commit | d3fefdb69439292ec914cd8c65dd83ed1bcbdc65 (patch) | |
| tree | 9aabd8732427d08f984af22492cd04f7f44cb9a0 | |
| parent | cf2df3b000c58155d3c83bd01b603894b4559c0b (diff) | |
| download | gperftools-d3fefdb69439292ec914cd8c65dd83ed1bcbdc65.tar.gz | |
Allow configuring page size to 4K, 8K, 16K, 32K, 64K, 128K and 256K
| -rw-r--r-- | INSTALL | 5 | ||||
| -rw-r--r-- | configure.ac | 17 | ||||
| -rw-r--r-- | src/common.h | 6 | ||||
| -rw-r--r-- | src/windows/config.h | 9 |
4 files changed, 20 insertions, 17 deletions
@@ -113,8 +113,9 @@ To build libtcmalloc with large pages you need to use the ./configure <other flags> --with-tcmalloc-pagesize=32 -The ARG argument can be 8, 32 or 64 which sets the internal page size to -8K, 32K and 64K repectively. The default is 8K. +The ARG argument can be 4, 8, 16, 32, 64, 128 or 256 which sets the +internal page size to 4K, 8K, 16K, 32K, 64K, 128K and 256K respectively. +The default is 8K. *** SMALL TCMALLOC CACHES: TRADING SPACE FOR TIME diff --git a/configure.ac b/configure.ac index cabfcae..60457ba 100644 --- a/configure.ac +++ b/configure.ac @@ -109,7 +109,7 @@ AC_ARG_ENABLE([libunwind], [enable_libunwind="$default_enable_libunwind"]) AC_ARG_WITH([tcmalloc-pagesize], [AS_HELP_STRING([--with-tcmalloc-pagesize], - [Set the tcmalloc internal page size to 8K, 32K or 64K])], + [Set the tcmalloc internal page size to 4K, 8K, 16K, 32K, 64K, 128K or 256K])], [], [with_tcmalloc_pagesize=$default_tcmalloc_pagesize]) AC_ARG_WITH([tcmalloc-alignment], @@ -119,15 +119,22 @@ AC_ARG_WITH([tcmalloc-alignment], [with_tcmalloc_alignment=$default_tcmalloc_alignment]) case "$with_tcmalloc_pagesize" in + 4) + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 12);; 8) #Default tcmalloc page size. ;; + 16) + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 14);; 32) - AC_DEFINE(TCMALLOC_32K_PAGES, 1, - [Define 32K of internal pages size for tcmalloc]);; + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 15);; 64) - AC_DEFINE(TCMALLOC_64K_PAGES, 1, - [Define 64K of internal pages size for tcmalloc]);; + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 16);; + 128) + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 17);; + 256) + AC_DEFINE(TCMALLOC_PAGE_SIZE_SHIFT, 18, + [Define internal page size for tcmalloc as number of left bitshift]);; *) AC_MSG_WARN([${with_tcmalloc_pagesize}K size not supported, using default tcmalloc page size.]) esac diff --git a/src/common.h b/src/common.h index cb45315..e0e461a 100644 --- a/src/common.h +++ b/src/common.h @@ -72,10 +72,8 @@ static const size_t kMinAlign = 16; // the thread cache allowance to avoid passing more free ranges to and from // central lists. Also, larger pages are less likely to get freed. // These two factors cause a bounded increase in memory use. -#if defined(TCMALLOC_32K_PAGES) -static const size_t kPageShift = 15; -#elif defined(TCMALLOC_64K_PAGES) -static const size_t kPageShift = 16; +#if defined(TCMALLOC_PAGE_SIZE_SHIFT) +static const size_t kPageShift = TCMALLOC_PAGE_SIZE_SHIFT; #else static const size_t kPageShift = 13; #endif diff --git a/src/windows/config.h b/src/windows/config.h index 4598ceb..65ca354 100644 --- a/src/windows/config.h +++ b/src/windows/config.h @@ -316,15 +316,12 @@ /* the namespace where STL code like vector<> is defined */ #define STL_NAMESPACE std -/* Define 32K of internal pages size for tcmalloc */ -/* #undef TCMALLOC_32K_PAGES */ - -/* Define 64K of internal pages size for tcmalloc */ -/* #undef TCMALLOC_64K_PAGES */ - /* Define 8 bytes of allocation alignment for tcmalloc */ /* #undef TCMALLOC_ALIGN_8BYTES */ +/* Define internal page size for tcmalloc as number of left bitshift */ +/* #undef TCMALLOC_PAGE_SIZE_SHIFT */ + /* Version number of package */ #define VERSION "2.7" |