Add a new field 'max_nr_cpus' to the physinfo type in the ocaml xc bindings
Signed-off-by: Zheng Li <zheng.li@xxxxxxxxxxxxx>
diff -r 05f63323bbb5 -r 136274808a4d tools/ocaml/libs/xc/xc.ml
--- a/tools/ocaml/libs/xc/xc.ml
+++ b/tools/ocaml/libs/xc/xc.ml
@@ -70,6 +70,7 @@
scrub_pages : nativeint;
(* XXX hw_cap *)
capabilities : physinfo_cap_flag list;
+ max_nr_cpus : int;
}
type version =
diff -r 05f63323bbb5 -r 136274808a4d tools/ocaml/libs/xc/xc.mli
--- a/tools/ocaml/libs/xc/xc.mli
+++ b/tools/ocaml/libs/xc/xc.mli
@@ -52,6 +52,7 @@
free_pages : nativeint;
scrub_pages : nativeint;
capabilities : physinfo_cap_flag list;
+ max_nr_cpus : int; (** compile-time max possible number of nr_cpus *)
}
type version = { major : int; minor : int; extra : string; }
type compile_info = {
diff -r 05f63323bbb5 -r 136274808a4d tools/ocaml/libs/xc/xc_stubs.c
--- a/tools/ocaml/libs/xc/xc_stubs.c
+++ b/tools/ocaml/libs/xc/xc_stubs.c
@@ -534,6 +534,7 @@
if (retval)
failwith_xc(_H(xch));
+
ring[size] = '\0';
CAMLreturn(caml_copy_string(ring));
}
@@ -573,7 +574,7 @@
}
}
- physinfo = caml_alloc_tuple(9);
+ physinfo = caml_alloc_tuple(10);
Store_field(physinfo, 0, Val_int(c_physinfo.threads_per_core));
Store_field(physinfo, 1, Val_int(c_physinfo.cores_per_socket));
Store_field(physinfo, 2, Val_int(c_physinfo.nr_cpus));
@@ -583,6 +584,7 @@
Store_field(physinfo, 6, caml_copy_nativeint(c_physinfo.free_pages));
Store_field(physinfo, 7, caml_copy_nativeint(c_physinfo.scrub_pages));
Store_field(physinfo, 8, cap_list);
+ Store_field(physinfo, 9, Val_int(c_physinfo.max_cpu_id + 1));
CAMLreturn(physinfo);
}
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