LXR qemu/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
  27void hmp_info_cpus(Monitor *mon, const QDict *qdict)
  28{
  29    CpuInfoFastList *cpu_list, *cpu;
  30
  31    cpu_list = qmp_query_cpus_fast(NULL);
  32
  33    for (cpu = cpu_list; cpu; cpu = cpu->next) {
  34        int active = ' ';
  35
  36        if (cpu->value->cpu_index == monitor_get_cpu_index()) {
  37            active = '*';
  38        }
  39
  40        monitor_printf(mon, "%c CPU #%" PRId64 ":", active,
  41                       cpu->value->cpu_index);
  42        monitor_printf(mon, " thread_id=%" PRId64 "\n", cpu->value->thread_id);
  43    }
  44
  45    qapi_free_CpuInfoFastList(cpu_list);
  46}
  47
  48void hmp_cpu_add(Monitor *mon, const QDict *qdict)
  49{
  50    int cpuid;
  51    Error *err = NULL;
  52
  53    error_report("cpu_add is deprecated, please use device_add instead");
  54
  55    cpuid = qdict_get_int(qdict, "id");
  56    qmp_cpu_add(cpuid, &err);
  57    hmp_handle_error(mon, &err);
  58}
  59
  60void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
  61{
  62    Error *err = NULL;
  63    HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
  64    HotpluggableCPUList *saved = l;
  65    CpuInstanceProperties *c;
  66
  67    if (err != NULL) {
  68        hmp_handle_error(mon, &err);
  69        return;
  70    }
  71
  72    monitor_printf(mon, "Hotpluggable CPUs:\n");
  73    while (l) {
  74        monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
  75        monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
  76                       l->value->vcpus_count);
  77        if (l->value->has_qom_path) {
  78            monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
  79        }
  80
  81        c = l->value->props;
  82        monitor_printf(mon, "  CPUInstance Properties:\n");
  83        if (c->has_node_id) {
  84            monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
  85        }
  86        if (c->has_socket_id) {
  87            monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
  88        }
  89        if (c->has_die_id) {
  90            monitor_printf(mon, "    die-id: \"%" PRIu64 "\"\n", c->die_id);
  91        }
  92        if (c->has_core_id) {
  93            monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
  94        }
  95        if (c->has_thread_id) {
  96            monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
  97        }
  98
  99        l = l->next;
 100    }
 101
 102    qapi_free_HotpluggableCPUList(saved);
 103}
 104
 105void hmp_info_memdev(Monitor *mon, const QDict *qdict)
 106{
 107    Error *err = NULL;
 108    MemdevList *memdev_list = qmp_query_memdev(&err);
 109    MemdevList *m = memdev_list;
 110    Visitor *v;
 111    char *str;
 112
 113    while (m) {
 114        v = string_output_visitor_new(false, &str);
 115        visit_type_uint16List(v, NULL, &m->value->host_nodes, NULL);
 116        monitor_printf(mon, "memory backend: %s\n", m->value->id);
 117        monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
 118        monitor_printf(mon, "  merge: %s\n",
 119                       m->value->merge ? "true" : "false");
 120        monitor_printf(mon, "  dump: %s\n",
 121                       m->value->dump ? "true" : "false");
 122        monitor_printf(mon, "  prealloc: %s\n",
 123                       m->value->prealloc ? "true" : "false");
 124        monitor_printf(mon, "  policy: %s\n",
 125                       HostMemPolicy_str(m->value->policy));
 126        visit_complete(v, &str);
 127        monitor_printf(mon, "  host nodes: %s\n", str);
 128
 129        g_free(str);
 130        visit_free(v);
 131        m = m->next;
 132    }
 133
 134    monitor_printf(mon, "\n");
 135
 136    qapi_free_MemdevList(memdev_list);
 137    hmp_handle_error(mon, &err);
 138}
 139
 140void hmp_info_numa(Monitor *mon, const QDict *qdict)
 141{
 142    int i;
 143    NumaNodeMem *node_mem;
 144    CpuInfoList *cpu_list, *cpu;
 145
 146    cpu_list = qmp_query_cpus(&error_abort);
 147    node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
 148
 149    query_numa_node_mem(node_mem);
 150    monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
 151    for (i = 0; i < nb_numa_nodes; i++) {
 152        monitor_printf(mon, "node %d cpus:", i);
 153        for (cpu = cpu_list; cpu; cpu = cpu->next) {
 154            if (cpu->value->has_props && cpu->value->props->has_node_id &&
 155                cpu->value->props->node_id == i) {
 156                monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
 157            }
 158        }
 159        monitor_printf(mon, "\n");
 160        monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
 161                       node_mem[i].node_mem >> 20);
 162        monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
 163                       node_mem[i].node_plugged_mem >> 20);
 164    }
 165    qapi_free_CpuInfoList(cpu_list);
 166    g_free(node_mem);
 167}
 168