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numa: make 'info numa' take into account hotplugged memory 

When do memory hotplug, if there is numa node, we should add
the memory size to the corresponding node memory size.

It affects the result of hmp command "info numa".

Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
zhanghailiang 2014-11-04 19:49:30 +08:00 committed by Michael Tokarev
parent 7912d04be6
commit 5b009e4008
3 changed files with 44 additions and 1 deletions
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1
include/sysemu/sysemu.h
View File

@ -161,6 +161,7 @@ typedef struct node_info {
extern NodeInfo numa_info[MAX_NODES];
void set_numa_nodes(void);
void set_numa_modes(void);
void query_numa_node_mem(uint64_t node_mem[]);
extern QemuOptsList qemu_numa_opts;
int numa_init_func(QemuOpts *opts, void *opaque);

6
monitor.c
View File

@ -1948,7 +1948,10 @@ static void do_info_numa(Monitor *mon, const QDict *qdict)
{
int i;
CPUState *cpu;
uint64_t *node_mem;
node_mem = g_new0(uint64_t, nb_numa_nodes);
query_numa_node_mem(node_mem);
monitor_printf(mon, "%d nodes\n", nb_numa_nodes);
for (i = 0; i < nb_numa_nodes; i++) {
monitor_printf(mon, "node %d cpus:", i);
@ -1959,8 +1962,9 @@ static void do_info_numa(Monitor *mon, const QDict *qdict)
}
monitor_printf(mon, "\n");
monitor_printf(mon, "node %d size: %" PRId64 " MB\n", i,
numa_info[i].node_mem >> 20);
node_mem[i] >> 20);
}
g_free(node_mem);
}
#ifdef CONFIG_PROFILER

38
numa.c
View File

@ -35,6 +35,7 @@
#include "hw/boards.h"
#include "sysemu/hostmem.h"
#include "qmp-commands.h"
#include "hw/mem/pc-dimm.h"
QemuOptsList qemu_numa_opts = {
.name = "numa",
@ -315,6 +316,43 @@ void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner,
}
}
static void numa_stat_memory_devices(uint64_t node_mem[])
{
MemoryDeviceInfoList *info_list = NULL;
MemoryDeviceInfoList **prev = &info_list;
MemoryDeviceInfoList *info;
qmp_pc_dimm_device_list(qdev_get_machine(), &prev);
for (info = info_list; info; info = info->next) {
MemoryDeviceInfo *value = info->value;
if (value) {
switch (value->kind) {
case MEMORY_DEVICE_INFO_KIND_DIMM:
node_mem[value->dimm->node] += value->dimm->size;
break;
default:
break;
}
}
}
qapi_free_MemoryDeviceInfoList(info_list);
}
void query_numa_node_mem(uint64_t node_mem[])
{
int i;
if (nb_numa_nodes <= 0) {
return;
}
numa_stat_memory_devices(node_mem);
for (i = 0; i < nb_numa_nodes; i++) {
node_mem[i] += numa_info[i].node_mem;
}
}
static int query_memdev(Object *obj, void *opaque)
{
MemdevList **list = opaque;