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hmp-commands: add sync-profile

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The command introduced here is just for developers. This means that:

- the interface implemented here could change in the future
- the command is only meant to be used from HMP, not from QMP

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Emilio G. Cota <cota@braap.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Emilio G. Cota 2018-08-15 16:00:03 -04:00 committed by Paolo Bonzini
parent 12df189de1
commit dd12e1bbf2
3 changed files with 40 additions and 0 deletions
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15
hmp-commands.hx
View File

@ -643,6 +643,21 @@ sendkey ctrl-alt-f1
This command is useful to send keys that your graphical user interface
intercepts at low level, such as @code{ctrl-alt-f1} in X Window.
ETEXI
{
.name = "sync-profile",
.args_type = "op:s?",
.params = "[on|off|reset]",
.help = "enable, disable or reset synchronization profiling. "
"With no arguments, prints whether profiling is on or off.",
.cmd = hmp_sync_profile,
},
STEXI
@item sync-profile [on|off|reset]
@findex sync-profile
Enable, disable or reset synchronization profiling. With no arguments, prints
whether profiling is on or off.
ETEXI
{

24
hmp.c
View File

@ -1062,6 +1062,30 @@ void hmp_stop(Monitor *mon, const QDict *qdict)
qmp_stop(NULL);
}
void hmp_sync_profile(Monitor *mon, const QDict *qdict)
{
const char *op = qdict_get_try_str(qdict, "op");
if (op == NULL) {
bool on = qsp_is_enabled();
monitor_printf(mon, "sync-profile is %s\n", on ? "on" : "off");
return;
}
if (!strcmp(op, "on")) {
qsp_enable();
} else if (!strcmp(op, "off")) {
qsp_disable();
} else if (!strcmp(op, "reset")) {
qsp_reset();
} else {
Error *err = NULL;
error_setg(&err, QERR_INVALID_PARAMETER, op);
hmp_handle_error(mon, &err);
}
}
void hmp_system_reset(Monitor *mon, const QDict *qdict)
{
qmp_system_reset(NULL);

1
hmp.h
View File

@ -42,6 +42,7 @@ void hmp_info_tpm(Monitor *mon, const QDict *qdict);
void hmp_info_iothreads(Monitor *mon, const QDict *qdict);
void hmp_quit(Monitor *mon, const QDict *qdict);
void hmp_stop(Monitor *mon, const QDict *qdict);
void hmp_sync_profile(Monitor *mon, const QDict *qdict);
void hmp_system_reset(Monitor *mon, const QDict *qdict);
void hmp_system_powerdown(Monitor *mon, const QDict *qdict);
void hmp_exit_preconfig(Monitor *mon, const QDict *qdict);