xref: /qemu/hw/core/machine-hmp-cmds.c (revision abff1abf)
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()) {
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_cpu_add(Monitor *mon, const QDict *qdict)
50 {
51     int cpuid;
52     Error *err = NULL;
53 
54     error_report("cpu_add is deprecated, please use device_add instead");
55 
56     cpuid = qdict_get_int(qdict, "id");
57     qmp_cpu_add(cpuid, &err);
58     hmp_handle_error(mon, err);
59 }
60 
61 void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict)
62 {
63     Error *err = NULL;
64     HotpluggableCPUList *l = qmp_query_hotpluggable_cpus(&err);
65     HotpluggableCPUList *saved = l;
66     CpuInstanceProperties *c;
67 
68     if (err != NULL) {
69         hmp_handle_error(mon, err);
70         return;
71     }
72 
73     monitor_printf(mon, "Hotpluggable CPUs:\n");
74     while (l) {
75         monitor_printf(mon, "  type: \"%s\"\n", l->value->type);
76         monitor_printf(mon, "  vcpus_count: \"%" PRIu64 "\"\n",
77                        l->value->vcpus_count);
78         if (l->value->has_qom_path) {
79             monitor_printf(mon, "  qom_path: \"%s\"\n", l->value->qom_path);
80         }
81 
82         c = l->value->props;
83         monitor_printf(mon, "  CPUInstance Properties:\n");
84         if (c->has_node_id) {
85             monitor_printf(mon, "    node-id: \"%" PRIu64 "\"\n", c->node_id);
86         }
87         if (c->has_socket_id) {
88             monitor_printf(mon, "    socket-id: \"%" PRIu64 "\"\n", c->socket_id);
89         }
90         if (c->has_die_id) {
91             monitor_printf(mon, "    die-id: \"%" PRIu64 "\"\n", c->die_id);
92         }
93         if (c->has_core_id) {
94             monitor_printf(mon, "    core-id: \"%" PRIu64 "\"\n", c->core_id);
95         }
96         if (c->has_thread_id) {
97             monitor_printf(mon, "    thread-id: \"%" PRIu64 "\"\n", c->thread_id);
98         }
99 
100         l = l->next;
101     }
102 
103     qapi_free_HotpluggableCPUList(saved);
104 }
105 
106 void hmp_info_memdev(Monitor *mon, const QDict *qdict)
107 {
108     Error *err = NULL;
109     MemdevList *memdev_list = qmp_query_memdev(&err);
110     MemdevList *m = memdev_list;
111     Visitor *v;
112     char *str;
113 
114     while (m) {
115         v = string_output_visitor_new(false, &str);
116         visit_type_uint16List(v, NULL, &m->value->host_nodes, &error_abort);
117         monitor_printf(mon, "memory backend: %s\n", m->value->id);
118         monitor_printf(mon, "  size:  %" PRId64 "\n", m->value->size);
119         monitor_printf(mon, "  merge: %s\n",
120                        m->value->merge ? "true" : "false");
121         monitor_printf(mon, "  dump: %s\n",
122                        m->value->dump ? "true" : "false");
123         monitor_printf(mon, "  prealloc: %s\n",
124                        m->value->prealloc ? "true" : "false");
125         monitor_printf(mon, "  policy: %s\n",
126                        HostMemPolicy_str(m->value->policy));
127         visit_complete(v, &str);
128         monitor_printf(mon, "  host nodes: %s\n", str);
129 
130         g_free(str);
131         visit_free(v);
132         m = m->next;
133     }
134 
135     monitor_printf(mon, "\n");
136 
137     qapi_free_MemdevList(memdev_list);
138     hmp_handle_error(mon, err);
139 }
140 
141 void hmp_info_numa(Monitor *mon, const QDict *qdict)
142 {
143     int i, nb_numa_nodes;
144     NumaNodeMem *node_mem;
145     CpuInfoList *cpu_list, *cpu;
146     MachineState *ms = MACHINE(qdev_get_machine());
147 
148     nb_numa_nodes = ms->numa_state ? ms->numa_state->num_nodes : 0;
149     monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
150     if (!nb_numa_nodes) {
151         return;
152     }
153 
154     cpu_list = qmp_query_cpus(&error_abort);
155     node_mem = g_new0(NumaNodeMem, nb_numa_nodes);
156 
157     query_numa_node_mem(node_mem, ms);
158     for (i = 0; i < nb_numa_nodes; i++) {
159         monitor_printf(mon, "node %d cpus:", i);
160         for (cpu = cpu_list; cpu; cpu = cpu->next) {
161             if (cpu->value->has_props && cpu->value->props->has_node_id &&
162                 cpu->value->props->node_id == i) {
163                 monitor_printf(mon, " %" PRIi64, cpu->value->CPU);
164             }
165         }
166         monitor_printf(mon, "\n");
167         monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
168                        node_mem[i].node_mem >> 20);
169         monitor_printf(mon, "node %d plugged: %" PRId64 " MB\n", i,
170                        node_mem[i].node_plugged_mem >> 20);
171     }
172     qapi_free_CpuInfoList(cpu_list);
173     g_free(node_mem);
174 }
175