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| author | Ian Jackson <Ian.Jackson@eu.citrix.com> | 2010-10-21 18:51:26 +0100 |
|---|---|---|
| committer | Ian Jackson <Ian.Jackson@eu.citrix.com> | 2010-10-21 18:51:26 +0100 |
| commit | 38f0769cd02f0e0df81947b76d0e25ec8a291398 (patch) | |
| tree | 38cfc19263bcfac6922c0ee3e6c904dca8e744f7 /tools | |
| parent | a050657a54f734d6ed809072f9c1329d8324ee67 (diff) | |
| download | xen-38f0769cd02f0e0df81947b76d0e25ec8a291398.tar.gz xen-38f0769cd02f0e0df81947b76d0e25ec8a291398.tar.bz2 xen-38f0769cd02f0e0df81947b76d0e25ec8a291398.zip | |
libxl: add a detailed explanation of the libxl domain memory model
Originally-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Converted to US-ASCII by iwj.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Ian Jackson <ian.jackson@eu.citrix.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/libxl/libxl_memory.txt | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/tools/libxl/libxl_memory.txt b/tools/libxl/libxl_memory.txt new file mode 100644 index 0000000000..253476d208 --- /dev/null +++ b/tools/libxl/libxl_memory.txt @@ -0,0 +1,70 @@ +/* === Domain memory breakdown: HVM guests ================================== + + + +----------+ + + | | shadow | | + | +----------+ | + overhead | | extra | | + | | external | | + | +----------+ + | + | | extra | | | + | | internal | | | + + +----------+ + | | footprint + | | video | | | | + | +----------+ + + | | xen | + | | | | | | actual | maximum | + | | | | | | target | | + | | guest | | | build | | | + | | | | | start | | | + static | | | | | | | | + maximum | +----------+ | + + + + + | | | | + | | | | + | | balloon | | build + | | | | maximum + | | | | + + +----------+ + + + + extra internal = LIBXL_MAXMEM_CONSTANT + extra external = LIBXL_HVM_EXTRA_MEMORY + shadow = libxl_domain_build_info.shadow_memkb + static maximum = libxl_domain_build_info.max_memkb + video = libxl_domain_build_info.video_memkb + build start = libxl_domain_build_info.target_memkb + libxl_domain_setmaxmem -> xen maximum + libxl_set_memory_target -> actual target + + + === Domain memory breakdown: PV guests ================================== + + + + +----------+ + + overhead | | extra | | + | | external | | + | +----------+ + | + | | extra | | | + | | internal | | | + + +----------+ + + + | | footprint + | | | | | | | xen | + | | | | | | actual | maximum | + | | guest | | | build | target | | + | | | | | start | | | + static | | | | | | | | + maximum | +----------+ | + + + + + | | | | + | | | | + | | balloon | | build + | | | | maximum + | | | | + + +----------+ + + + + extra internal = LIBXL_MAXMEM_CONSTANT + extra external = LIBXL_PV_EXTRA_MEMORY + static maximum = libxl_domain_build_info.max_memkb + build start = libxl_domain_build_info.target_memkb + libxl_domain_setmaxmem -> xen maximum + libxl_set_memory_target -> actual target + + + ========================================================================= */ |