X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Fvm_power_manager%2Fchannel_manager.c;h=927fc35ab561b627ac4b3a3f22b19d6fdb70488d;hb=ca33590b6af032bff57d9cc70455660466a654b2;hp=22c2ddd553a5879d2d85179933120232b6079466;hpb=97f17497d162afdb82c8704bf097f0fee3724b2e;p=deb_dpdk.git diff --git a/examples/vm_power_manager/channel_manager.c b/examples/vm_power_manager/channel_manager.c index 22c2ddd5..927fc35a 100644 --- a/examples/vm_power_manager/channel_manager.c +++ b/examples/vm_power_manager/channel_manager.c @@ -1,34 +1,5 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include @@ -574,6 +545,73 @@ set_channel_status(const char *vm_name, unsigned *channel_list, return num_channels_changed; } +void +get_all_vm(int *num_vm, int *num_vcpu) +{ + + virNodeInfo node_info; + virDomainPtr *domptr; + uint64_t mask; + int i, ii, numVcpus[MAX_VCPUS], cpu, n_vcpus; + unsigned int jj; + const char *vm_name; + unsigned int domain_flags = VIR_CONNECT_LIST_DOMAINS_RUNNING | + VIR_CONNECT_LIST_DOMAINS_PERSISTENT; + unsigned int domain_flag = VIR_DOMAIN_VCPU_CONFIG; + + + memset(global_cpumaps, 0, CHANNEL_CMDS_MAX_CPUS*global_maplen); + if (virNodeGetInfo(global_vir_conn_ptr, &node_info)) { + RTE_LOG(ERR, CHANNEL_MANAGER, "Unable to retrieve node Info\n"); + return; + } + + /* Returns number of pcpus */ + global_n_host_cpus = (unsigned int)node_info.cpus; + + /* Returns number of active domains */ + *num_vm = virConnectListAllDomains(global_vir_conn_ptr, &domptr, + domain_flags); + if (*num_vm <= 0) { + RTE_LOG(ERR, CHANNEL_MANAGER, "No Active Domains Running\n"); + return; + } + + for (i = 0; i < *num_vm; i++) { + + /* Get Domain Names */ + vm_name = virDomainGetName(domptr[i]); + lvm_info[i].vm_name = vm_name; + + /* Get Number of Vcpus */ + numVcpus[i] = virDomainGetVcpusFlags(domptr[i], domain_flag); + + /* Get Number of VCpus & VcpuPinInfo */ + n_vcpus = virDomainGetVcpuPinInfo(domptr[i], + numVcpus[i], global_cpumaps, + global_maplen, domain_flag); + + if ((int)n_vcpus > 0) { + *num_vcpu = n_vcpus; + lvm_info[i].num_cpus = n_vcpus; + } + + /* Save pcpu in use by libvirt VMs */ + for (ii = 0; ii < n_vcpus; ii++) { + mask = 0; + for (jj = 0; jj < global_n_host_cpus; jj++) { + if (VIR_CPU_USABLE(global_cpumaps, + global_maplen, ii, jj) > 0) { + mask |= 1ULL << jj; + } + } + ITERATIVE_BITMASK_CHECK_64(mask, cpu) { + lvm_info[i].pcpus[ii] = cpu; + } + } + } +} + int get_info_vm(const char *vm_name, struct vm_info *info) { @@ -667,6 +705,7 @@ add_vm(const char *vm_name) return -1; } strncpy(new_domain->name, vm_name, sizeof(new_domain->name)); + new_domain->name[sizeof(new_domain->name) - 1] = '\0'; new_domain->channel_mask = 0; new_domain->num_channels = 0;