diff options
| -rwxr-xr-x | configure | 84 | ||||
| -rw-r--r-- | meson.build | 28 | ||||
| -rw-r--r-- | meson_options.txt | 5 |
3 files changed, 38 insertions, 79 deletions
@@ -549,7 +549,7 @@ skip_meson=no gettext="" bogus_os="no" -malloc_trim="" +malloc_trim="auto" # parse CC options first for opt do @@ -1228,9 +1228,9 @@ for opt do ;; --enable-tcg) tcg="yes" ;; - --disable-malloc-trim) malloc_trim="no" + --disable-malloc-trim) malloc_trim="disabled" ;; - --enable-malloc-trim) malloc_trim="yes" + --enable-malloc-trim) malloc_trim="enabled" ;; --disable-spice) spice="no" ;; @@ -4384,77 +4384,14 @@ EOF fi fi +malloc=system if test "$tcmalloc" = "yes" && test "$jemalloc" = "yes" ; then echo "ERROR: tcmalloc && jemalloc can't be used at the same time" exit 1 -fi - -# Even if malloc_trim() is available, these non-libc memory allocators -# do not support it. -if test "$tcmalloc" = "yes" || test "$jemalloc" = "yes" ; then - if test "$malloc_trim" = "yes" ; then - echo "Disabling malloc_trim with non-libc memory allocator" - fi - malloc_trim="no" -fi - -####################################### -# malloc_trim - -if test "$malloc_trim" != "no" ; then - cat > $TMPC << EOF -#include <malloc.h> -int main(void) { malloc_trim(0); return 0; } -EOF - if compile_prog "" "" ; then - malloc_trim="yes" - else - malloc_trim="no" - fi -fi - -########################################## -# tcmalloc probe - -if test "$tcmalloc" = "yes" ; then - cat > $TMPC << EOF -#include <stdlib.h> -int main(void) { - void *tmp = malloc(1); - if (tmp != NULL) { - return 0; - } - return 1; -} -EOF - - if compile_prog "" "-ltcmalloc" ; then - LIBS="-ltcmalloc $LIBS" - else - feature_not_found "tcmalloc" "install gperftools devel" - fi -fi - -########################################## -# jemalloc probe - -if test "$jemalloc" = "yes" ; then - cat > $TMPC << EOF -#include <stdlib.h> -int main(void) { - void *tmp = malloc(1); - if (tmp != NULL) { - return 0; - } - return 1; -} -EOF - - if compile_prog "" "-ljemalloc" ; then - LIBS="-ljemalloc $LIBS" - else - feature_not_found "jemalloc" "install jemalloc devel" - fi +elif test "$tcmalloc" = "yes" ; then + malloc=tcmalloc +elif test "$jemalloc" = "yes" ; then + malloc=jemalloc fi ########################################## @@ -6945,10 +6882,6 @@ if test "$gbm" = "yes" ; then fi -if test "$malloc_trim" = "yes" ; then - echo "CONFIG_MALLOC_TRIM=y" >> $config_host_mak -fi - if test "$avx2_opt" = "yes" ; then echo "CONFIG_AVX2_OPT=y" >> $config_host_mak fi @@ -7919,6 +7852,7 @@ NINJA=${ninja:-$PWD/ninjatool} $meson setup \ -Dstrip=$(if test "$strip_opt" = yes; then echo true; else echo false; fi) \ -Db_pie=$(if test "$pie" = yes; then echo true; else echo false; fi) \ -Db_coverage=$(if test "$gcov" = yes; then echo true; else echo false; fi) \ + -Dmalloc=$malloc -Dmalloc_trim=$malloc_trim \ -Dmpath=$mpath -Dsdl=$sdl -Dsdl_image=$sdl_image \ -Dvnc=$vnc -Dvnc_sasl=$vnc_sasl -Dvnc_jpeg=$vnc_jpeg -Dvnc_png=$vnc_png \ -Dgettext=$gettext -Dxkbcommon=$xkbcommon -Du2f=$u2f\ diff --git a/meson.build b/meson.build index 5dd7728..afe53d8 100644 --- a/meson.build +++ b/meson.build @@ -514,6 +514,26 @@ keyutils = dependency('libkeyutils', required: false, has_gettid = cc.has_function('gettid') +# Malloc tests + +malloc = [] +if get_option('malloc') == 'system' + has_malloc_trim = \ + not get_option('malloc_trim').disabled() and \ + cc.links('''#include <malloc.h> + int main(void) { malloc_trim(0); return 0; }''') +else + has_malloc_trim = false + malloc = cc.find_library(get_option('malloc'), required: true) +endif +if not has_malloc_trim and get_option('malloc_trim').enabled() + if get_option('malloc') == 'system' + error('malloc_trim not available on this platform.') + else + error('malloc_trim not available with non-libc memory allocator') + endif +endif + # Create config-host.h config_host_data.set('CONFIG_LIBUDEV', libudev.found()) @@ -528,6 +548,7 @@ config_host_data.set('CONFIG_VNC_SASL', sasl.found()) config_host_data.set('CONFIG_XKBCOMMON', xkbcommon.found()) config_host_data.set('CONFIG_KEYUTILS', keyutils.found()) config_host_data.set('CONFIG_GETTID', has_gettid) +config_host_data.set('CONFIG_MALLOC_TRIM', has_malloc_trim) config_host_data.set('QEMU_VERSION', '"@0@"'.format(meson.project_version())) config_host_data.set('QEMU_VERSION_MAJOR', meson.project_version().split('.')[0]) config_host_data.set('QEMU_VERSION_MINOR', meson.project_version().split('.')[1]) @@ -911,7 +932,7 @@ util_ss.add_all(trace_ss) util_ss = util_ss.apply(config_all, strict: false) libqemuutil = static_library('qemuutil', sources: util_ss.sources() + stub_ss.sources() + genh, - dependencies: [util_ss.dependencies(), m, glib, socket]) + dependencies: [util_ss.dependencies(), m, glib, socket, malloc]) qemuutil = declare_dependency(link_with: libqemuutil, sources: genh + version_res) @@ -1450,7 +1471,7 @@ summary_info += {'Install blobs': config_host.has_key('INSTALL_BLOBS')} # summary_info += {'TCG debug enabled': config_host.has_key('CONFIG_DEBUG_TCG')} # summary_info += {'TCG interpreter': config_host.has_key('CONFIG_TCG_INTERPRETER')} #endif -summary_info += {'malloc trim support': config_host.has_key('CONFIG_MALLOC_TRIM')} +summary_info += {'malloc trim support': has_malloc_trim} summary_info += {'RDMA support': config_host.has_key('CONFIG_RDMA')} summary_info += {'PVRDMA support': config_host.has_key('CONFIG_PVRDMA')} summary_info += {'fdt support': config_host.has_key('CONFIG_FDT')} @@ -1512,8 +1533,7 @@ summary_info += {'lzfse support': config_host.has_key('CONFIG_LZFSE')} summary_info += {'zstd support': config_host.has_key('CONFIG_ZSTD')} summary_info += {'NUMA host support': config_host.has_key('CONFIG_NUMA')} summary_info += {'libxml2': config_host.has_key('CONFIG_LIBXML2')} -summary_info += {'tcmalloc support': config_host.has_key('CONFIG_TCMALLOC')} -summary_info += {'jemalloc support': config_host.has_key('CONFIG_JEMALLOC')} +summary_info += {'memory allocator': get_option('malloc')} summary_info += {'avx2 optimization': config_host.has_key('CONFIG_AVX2_OPT')} summary_info += {'avx512f optimization': config_host.has_key('CONFIG_AVX512F_OPT')} summary_info += {'replication support': config_host.has_key('CONFIG_REPLICATION')} diff --git a/meson_options.txt b/meson_options.txt index b38a6ae..8a59ec2 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -6,6 +6,11 @@ option('docdir', type : 'string', value : 'doc', option('gettext', type : 'boolean', value : true, description: 'Localization of the GTK+ user interface') +option('malloc_trim', type : 'feature', value : 'auto', + description: 'enable libc malloc_trim() for memory optimization') +option('malloc', type : 'combo', choices : ['system', 'tcmalloc', 'jemalloc'], + value: 'system', description: 'choose memory allocator to use') + option('mpath', type : 'feature', value : 'auto', description: 'Multipath persistent reservation passthrough') option('sdl', type : 'feature', value : 'auto', |