From mboxrd@z Thu Jan 1 00:00:00 1970 From: Elena Ufimtseva Subject: [PATCH v6 03/10] vnuma hook to debug-keys u Date: Fri, 18 Jul 2014 01:50:02 -0400 Message-ID: <1405662609-31486-4-git-send-email-ufimtseva@gmail.com> References: <1405662609-31486-1-git-send-email-ufimtseva@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1405662609-31486-1-git-send-email-ufimtseva@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: xen-devel@lists.xen.org Cc: keir@xen.org, Ian.Campbell@citrix.com, stefano.stabellini@eu.citrix.com, george.dunlap@eu.citrix.com, msw@linux.com, dario.faggioli@citrix.com, lccycc123@gmail.com, ian.jackson@eu.citrix.com, JBeulich@suse.com, Elena Ufimtseva List-Id: xen-devel@lists.xenproject.org Add debug-keys hook to display vnuma topology. Signed-off-by: Elena Ufimtseva --- xen/arch/x86/numa.c | 29 ++++++++++++++++++++++++++++- 1 file changed, 28 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c index b141877..8153ec7 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 +389,33 @@ 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 ) + printk(" vnode %u - pnode %s,", i, "any"); + else + printk(" vnode %u - pnode %s,", i, + d->vnuma->vnode_to_pnode[i] == NUMA_NO_NODE ? "any" : keyhandler_scratch); + printk(" %"PRIu64" MB, ", + (d->vnuma->vmemrange[i].end - d->vnuma->vmemrange[i].start) >> 20); + printk("vcpu nums: "); + 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