# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1282143678 -3600
# Node ID 59783ebb23f5107c6984c93c413744d8f47e316a
# Parent 9dfdd32ce1282c4f9ca38e8735dd2cea97d39b19
libxl/xl: Use libxl_vcpuinfo_destroy
Replaces libxl_free_vcpu_list.
The ->cpumap field is now always a unique allocation rather than each
being an offset into the cpumap allocated in the first
libxl_device_pci in the list.
Refactor vcpulist so that the two cases can share more code.
Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
diff -r 9dfdd32ce128 -r 59783ebb23f5 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Wed Aug 18 16:01:18 2010 +0100
+++ b/tools/libxl/libxl.c Wed Aug 18 16:01:18 2010 +0100
@@ -2894,7 +2894,6 @@ libxl_vcpuinfo *libxl_list_vcpu(libxl_ct
xc_domaininfo_t domaininfo;
xc_vcpuinfo_t vcpuinfo;
xc_physinfo_t physinfo = { 0 };
- uint64_t *cpumaps;
unsigned num_cpuwords;
if (xc_domain_getinfolist(ctx->xch, domid, 1, &domaininfo) != 1) {
@@ -2912,9 +2911,8 @@ libxl_vcpuinfo *libxl_list_vcpu(libxl_ct
}
num_cpuwords = ((physinfo.max_cpu_id + 64) / 64);
- cpumaps = calloc(num_cpuwords * sizeof(*cpumaps), domaininfo.max_vcpu_id +
1);
for (*nb_vcpu = 0; *nb_vcpu <= domaininfo.max_vcpu_id; ++*nb_vcpu, ++ptr) {
- ptr->cpumap = cpumaps + (num_cpuwords * *nb_vcpu);
+ ptr->cpumap = malloc(num_cpuwords * sizeof(*ptr->cpumap));
if (!ptr->cpumap) {
return NULL;
}
@@ -2935,13 +2933,6 @@ libxl_vcpuinfo *libxl_list_vcpu(libxl_ct
ptr->vcpu_time = vcpuinfo.cpu_time;
}
return ret;
-}
-
-void libxl_free_vcpu_list(libxl_vcpuinfo *vcpu)
-{
- if ( vcpu )
- free(vcpu[0].cpumap);
- free(vcpu);
}
int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
diff -r 9dfdd32ce128 -r 59783ebb23f5 tools/libxl/libxl.h
--- a/tools/libxl/libxl.h Wed Aug 18 16:01:18 2010 +0100
+++ b/tools/libxl/libxl.h Wed Aug 18 16:01:18 2010 +0100
@@ -432,7 +432,6 @@ int libxl_get_physinfo(libxl_ctx *ctx, l
int libxl_get_physinfo(libxl_ctx *ctx, libxl_physinfo *physinfo);
libxl_vcpuinfo *libxl_list_vcpu(libxl_ctx *ctx, uint32_t domid,
int *nb_vcpu, int *nrcpus);
-void libxl_free_vcpu_list(libxl_vcpuinfo *vcpu);
int libxl_set_vcpuaffinity(libxl_ctx *ctx, uint32_t domid, uint32_t vcpuid,
uint64_t *cpumap, int nrcpus);
int libxl_set_vcpucount(libxl_ctx *ctx, uint32_t domid, uint32_t count);
diff -r 9dfdd32ce128 -r 59783ebb23f5 tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c Wed Aug 18 16:01:18 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c Wed Aug 18 16:01:18 2010 +0100
@@ -3301,49 +3301,58 @@ static void print_vcpuinfo(uint32_t tdom
}
}
+static void print_domain_vcpuinfo(uint32_t domid, uint32_t nr_cpus)
+{
+ libxl_vcpuinfo *vcpuinfo;
+ int i, nb_vcpu, nrcpus;
+
+ vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu, &nrcpus);
+
+ if (!vcpuinfo) {
+ fprintf(stderr, "libxl_list_vcpu failed.\n");
+ return;
+ }
+
+ for (i = 0; i < nb_vcpu; i++) {
+ print_vcpuinfo(domid, &vcpuinfo[i], nr_cpus);
+ libxl_vcpuinfo_destroy(&vcpuinfo[i]);
+ }
+
+ free(vcpuinfo);
+}
+
static void vcpulist(int argc, char **argv)
{
- libxl_dominfo *dominfo, *domlist;
- libxl_vcpuinfo *vcpuinfo, *list = NULL;
+ libxl_dominfo *dominfo;
libxl_physinfo physinfo;
- int nb_vcpu, nb_domain, nrcpus;
+ int i, nb_domain;
if (libxl_get_physinfo(&ctx, &physinfo) != 0) {
fprintf(stderr, "libxl_physinfo failed.\n");
goto vcpulist_out;
}
+
printf("%-32s %5s %5s %5s %5s %9s %s\n",
"Name", "ID", "VCPU", "CPU", "State", "Time(s)", "CPU Affinity");
if (!argc) {
- if (!(domlist = dominfo = libxl_list_domain(&ctx, &nb_domain))) {
+ if (!(dominfo = libxl_list_domain(&ctx, &nb_domain))) {
fprintf(stderr, "libxl_list_domain failed.\n");
goto vcpulist_out;
}
- for (; nb_domain > 0; --nb_domain, ++dominfo) {
- if (!(list = vcpuinfo = libxl_list_vcpu(&ctx, dominfo->domid,
&nb_vcpu,
- &nrcpus))) {
- fprintf(stderr, "libxl_list_vcpu failed.\n");
- goto vcpulist_out;
- }
- for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
- print_vcpuinfo(dominfo->domid, vcpuinfo, physinfo.nr_cpus);
- }
- libxl_free_vcpu_list(list);
- }
- free(domlist);
+
+ for (i = 0; i<nb_domain; i++)
+ print_domain_vcpuinfo(dominfo[i].domid, physinfo.nr_cpus);
+
+ free(dominfo);
+
} else {
for (; argc > 0; ++argv, --argc) {
if (domain_qualifier_to_domid(*argv, &domid, 0) < 0) {
fprintf(stderr, "%s is an invalid domain identifier\n", *argv);
- }
- if (!(list = vcpuinfo = libxl_list_vcpu(&ctx, domid, &nb_vcpu,
&nrcpus))) {
- fprintf(stderr, "libxl_list_vcpu failed.\n");
goto vcpulist_out;
}
- for (; nb_vcpu > 0; --nb_vcpu, ++vcpuinfo) {
- print_vcpuinfo(domid, vcpuinfo, physinfo.nr_cpus);
- }
- libxl_free_vcpu_list(list);
+
+ print_domain_vcpuinfo(domid, physinfo.nr_cpus);
}
}
vcpulist_out:
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