[Xen-devel] [PATCH 11 of 18] Tools: Allow libxl/xl to expose the total number of shared frames and space saved

[Andres Lagar-Cavilla <andres@xxxxxxxxxxxxxxxx>]

 tools/libxl/Makefile     |   2 +-
 tools/libxl/xl_cmdimpl.c |  13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)


Signed-off-by: Adin Scannell <adin@xxxxxxxxxxx>

diff -r 6f489a294a76 -r cde3529132c1 tools/libxl/Makefile
--- a/tools/libxl/Makefile
+++ b/tools/libxl/Makefile
@@ -89,7 +89,7 @@ libxl_internal.h: _libxl_types_internal.
 libxl_internal_json.h: _libxl_types_internal_json.h
 
 $(LIBXL_OBJS) $(LIBXLU_OBJS) $(XL_OBJS): libxl.h
-$(LIBXL_OBJS): libxl_internal.h
+$(LIBXL_OBJS) $(XL_OBJS): libxl_internal.h
 
 _libxl_type%.h _libxl_type%_json.h _libxl_type%.c: libxl_type%.idl gentypes.py 
libxltypes.py
        $(PYTHON) gentypes.py libxl_type$*.idl __libxl_type$*.h 
__libxl_type$*_json.h __libxl_type$*.c
diff -r 6f489a294a76 -r cde3529132c1 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -38,6 +38,7 @@
 
 #include "libxl.h"
 #include "libxl_utils.h"
+#include "libxl_internal.h"
 #include "libxlutil.h"
 #include "xl.h"
 
@@ -3758,6 +3759,7 @@ int main_info(int argc, char **argv)
 static void sharing(int totals, const libxl_dominfo *info, int nb_domain)
 {
     int i;
+    const libxl_version_info *vinfo;
 
     printf("Name                                        ID   Mem Shared\n");
 
@@ -3774,9 +3776,14 @@ static void sharing(int totals, const li
         free(domname);
     }
 
-    if (totals)
-    {
-        /* To be added with a future patch. */
+    if (totals) {
+        vinfo = libxl_get_version_info(ctx);
+        if (vinfo) {
+            i = (1 << 20) / vinfo->pagesize;
+            printf("Freed with sharing: %ld  Total physical shared: %ld\n", 
+            xc_sharing_freed_pages(ctx->xch) / i,
+            xc_sharing_used_frames(ctx->xch) / i);
+        }
     }
 }
 

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