From mboxrd@z Thu Jan 1 00:00:00 1970 From: Elena Ufimtseva Subject: [PATCH v4 7/7] xen: adds vNUMA info debug-key u Date: Wed, 4 Dec 2013 00:47:15 -0500 Message-ID: <1386136035-19544-8-git-send-email-ufimtseva@gmail.com> References: <1386136035-19544-1-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: <1386136035-19544-1-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 Prints basic information about vNUMA topology for vNUMA enabled domains when issuing debug-key 'u'. Signed-off-by: Elena Ufimtseva --- xen/arch/x86/numa.c | 30 +++++++++++++++++++++++++++++- 1 file changed, 29 insertions(+), 1 deletion(-) diff --git a/xen/arch/x86/numa.c b/xen/arch/x86/numa.c index b141877..2adc462 100644 --- a/xen/arch/x86/numa.c +++ b/xen/arch/x86/numa.c @@ -347,9 +347,10 @@ EXPORT_SYMBOL(node_data); static void dump_numa(unsigned char key) { s_time_t now = NOW(); - int i; + int i, j, n; struct domain *d; struct page_info *page; + char tmp[6]; unsigned int page_num_node[MAX_NUMNODES]; printk("'%c' pressed -> dumping numa info (now-0x%X:%08X)\n", key, @@ -389,6 +390,33 @@ 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.nr_vnodes > 0) + { + printk(" Domain has %d vnodes\n", d->vnuma.nr_vnodes); + for (i = 0; i < d->vnuma.nr_vnodes; i++) { + n = 0; + snprintf(tmp, 5, "%d", d->vnuma.vnode_to_pnode[i]); + printk(" vnode %d - pnode %s", i, + d->vnuma.vnode_to_pnode[i] >= MAX_NUMNODES ? "any" : tmp); + printk(" %"PRIu64" MB, ", + (d->vnuma.vmemrange[i].end - d->vnuma.vmemrange[i].start) >> 20); + printk("vcpus: "); + for (j = 0; j < d->max_vcpus; j++) { + if (d->vnuma.vcpu_to_vnode[j] == i) { + if (!((n + 1) % 8)) + 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