haraldwolff/qemu-patch-raspberry4
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allow changing the speed of a running migration

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This patch allow us to call migrate_set_speed on running
migrations. This should allow mgmt tools to increase the allocated
bandwidth of a running migration if there is no progress, and they
really want the migration to succeed.

Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Glauber Costa 2009-05-20 18:26:58 -04:00 committed by Anthony Liguori
parent 19629537bd
commit daa91de28d
1 changed files with 7 additions and 0 deletions
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7
migration.c
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@ -84,6 +84,7 @@ void do_migrate_set_speed(Monitor *mon, const char *value)
{
double d;
char *ptr;
FdMigrationState *s;
d = strtod(value, &ptr);
switch (*ptr) {
@ -98,6 +99,12 @@ void do_migrate_set_speed(Monitor *mon, const char *value)
}
max_throttle = (uint32_t)d;
s = migrate_to_fms(current_migration);
if (s) {
qemu_file_set_rate_limit(s->file, max_throttle);
}
}
void do_info_migrate(Monitor *mon)