hw/core/machine-hmp-cmds.c

   1 /*
   2  * HMP commands related to machines and CPUs
   3  *
   4  * Copyright IBM, Corp. 2011
   5  *
   6  * Authors:
   7  *  Anthony Liguori   <aliguori@us.ibm.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2.  See
  10  * the COPYING file in the top-level directory.
  11  *
  12  * Contributions after 2012-01-13 are licensed under the terms of the
  13  * GNU GPL, version 2 or (at your option) any later version.
  14  */
  15
  16 #include "qemu/osdep.h"
  17 #include "monitor/hmp.h"
  18 #include "monitor/monitor.h"
  19 #include "qapi/error.h"
  20 #include "qapi/qapi-builtin-visit.h"
  21 #include "qapi/qapi-commands-machine.h"
  22 #include "qapi/qmp/qdict.h"
  23 #include "qapi/string-output-visitor.h"
  24 #include "qemu/error-report.h"
  25 #include "sysemu/numa.h"
  26 #include "hw/boards.h"
  27
  28 void hmp_info_cpus(Monitor *mon, const QDict *qdict)
  29 {
  30     CpuInfoFastList *cpu_list, *cpu;
  31
  32     cpu_list = qmp_query_cpus_fast(NULL);
  33
  34     for (cpu = cpu_list; cpu; cpu = cpu->next) {
  35         int active = ' ';
  36
  37         if (cpu->value->cpu_index == monitor_get_cpu_index(mon)) {
  38             active = '*';
  39         }
  40
  41         monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
  42                        cpu->value->cpu_index);
  43         monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
  44     }
  45
  46     qapi_free_CpuInfoFastList(cpu_list);
  47 }
  48
  49 void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
  50 {
  51     Error *err = NULL;
  52     HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
  53     HotpluggableCPUList *saved = l;
  54     CpuInstanceProperties *c;
  55
  56     if (err != NULL) {
  57         hmp_handle_error(mon, err);
  58         return;
  59     }
  60
  61     monitor_printf(mon, "Hotpluggable CPUs:\n");
  62     while (l) {
  63         monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
  64         monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
  65                        l->value->vcpus_count);
  66         if (l->value->has_qom_path) {
  67             monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
  68         }
  69
  70         c = l->value->props;
  71         monitor_printf(mon, "  CPUInstance Properties:\n");
  72         if (c->has_node_id) {
  73             monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
  74         }
  75         if (c->has_socket_id) {
  76             monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
  77         }
  78         if (c->has_die_id) {
  79             monitor_printf(mon, "    die-id: \"%" PRIu64 "\"\n", c->die_id);
  80         }
  81         if (c->has_core_id) {
  82             monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
  83         }
  84         if (c->has_thread_id) {
  85             monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
  86         }
  87
  88         l = l->next;
  89     }
  90
  91     qapi_free_HotpluggableCPUList(saved);
  92 }
  93
  94 void hmp_info_memdev(Monitor *mon, const QDict *qdict)
  95 {
  96     Error *err = NULL;
  97     MemdevList *memdev_list = qmp_query_memdev(&err);
  98     MemdevList *m = memdev_list;
  99     Visitor *v;
 100     char *str;
 101
 102     while (m) {
 103         v = string_output_visitor_new(false, &str);
 104         visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
 105         monitor_printf(mon, "memory backend: %s\n", m->value->id);
 106         monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
 107         monitor_printf(mon, "  merge: %s\n",
 108                        m->value->merge ? "true" : "false");
 109         monitor_printf(mon, "  dump: %s\n",
 110                        m->value->dump ? "true" : "false");
 111         monitor_printf(mon, "  prealloc: %s\n",
 112                        m->value->prealloc ? "true" : "false");
 113         monitor_printf(mon, "  policy: %s\n",
 114                        HostMemPolicy_str(m->value->policy));
 115         visit_complete(v, &str);
 116         monitor_printf(mon, "  host nodes: %s\n", str);
 117
 118         g_free(str);
 119         visit_free(v);
 120         m = m->next;
 121     }
 122
 123     monitor_printf(mon, "\n");
 124
 125     qapi_free_MemdevList(memdev_list);
 126     hmp_handle_error(mon, err);
 127 }
 128
 129 void hmp_info_numa(Monitor *mon, const QDict *qdict)
 130 {
 131     int i, nb_numa_nodes;
 132     NumaNodeMem *node_mem;
 133     CpuInfoList *cpu_list, *cpu;
 134     MachineState *ms = MACHINE(qdev_get_machine());
 135
 136     nb_numa_nodes = ms->numa_state ? ms->numa_state->num_nodes : 0;
 137     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
 138     if (!nb_numa_nodes) {
 139         return;
 140     }
 141
 142     cpu_list = qmp_query_cpus(&error_abort);
 143     node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
 144
 145     query_numa_node_mem(node_mem, ms);
 146     for (i = 0; i < nb_numa_nodes; i++) {
 147         monitor_printf(mon, "node %d cpus:", i);
 148         for (cpu = cpu_list; cpu; cpu = cpu->next) {
 149             if (cpu->value->has_props && cpu->value->props->has_node_id &&
 150                 cpu->value->props->node_id == i) {
 151                 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
 152             }
 153         }
 154         monitor_printf(mon, "\n");
 155         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
 156                        node_mem[i].node_mem >> 20);
 157         monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
 158                        node_mem[i].node_plugged_mem >> 20);
 159     }
 160     qapi_free_CpuInfoList(cpu_list);
 161     g_free(node_mem);
 162 }