[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v9 3/9] vnuma hook to debug-keys u
Add debug-keys hook to display vnuma topology. Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> Signed-off-by: Elena Ufimtseva <ufimtseva@xxxxxxxxx> --- xen/arch/x86/numa.c | 31 ++++++++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c index b141877..175f9d8 100644 --- a/xen/arch/x86/numa.c +++ b/xen/arch/x86/numa.c @@ -347,7 +347,7 @@ EXPORT_SYMBOL(node_data); static void dump_numa(unsigned char key) { s_time_t now = NOW(); - int i; + int i, j, n, err; struct domain *d; struct page_info *page; unsigned int page_num_node[MAX_NUMNODES]; @@ -389,6 +389,35 @@ static void dump_numa(unsigned char key) for_each_online_node(i) printk(" Node %u: %u\n", i, page_num_node[i]); + + if (d->vnuma) { + printk(" Domain has %u vnodes, %u vcpus\n", + d->vnuma->nr_vnodes, d->max_vcpus); + for (i = 0; i < d->vnuma->nr_vnodes; i++) { + err = snprintf(keyhandler_scratch, 12, "%u", + d->vnuma->vnode_to_pnode[i]); + if (err < 0 || d->vnuma->vnode_to_pnode[i] == NUMA_NO_NODE) + snprintf(keyhandler_scratch, 3, "???"); + + printk(" vnode %3u - pnode %s,", i, keyhandler_scratch); + printk(" %"PRIu64" MB, ", (d->vnuma->vmemrange[i].end - + d->vnuma->vmemrange[i].start) >> 20); + + printk("vcpu nrs: "); + for (j = 0, n = 0; j < d->max_vcpus; j++) { + if (d->vnuma->vcpu_to_vnode[j] == i) { + if ( ((n + 1) % 8) == 0 ) + printk("%d\n", j); + else if ( !(n % 8) && n != 0 ) + printk("%s%d ", " ", j); + else + printk("%d ", j); + n++; + } + } + printk("\n"); + } + } } rcu_read_unlock(&domlist_read_lock); -- 1.7.10.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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