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/*
* HMP commands related to tracing
*
* Copyright (c) 2003-2004 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "monitor/hmp.h"
#include "monitor/monitor.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-trace.h"
#include "qapi/qmp/qdict.h"
#include "trace/control.h"
#ifdef CONFIG_TRACE_SIMPLE
#include "trace/simple.h"
#endif
void hmp_trace_event(Monitor *mon, const QDict *qdict)
{
const char *tp_name = qdict_get_str(qdict, "name");
bool new_state = qdict_get_bool(qdict, "option");
bool has_vcpu = qdict_haskey(qdict, "vcpu");
int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
Error *local_err = NULL;
if (vcpu < 0) {
monitor_printf(mon, "argument vcpu must be positive");
return;
}
qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
if (local_err) {
error_report_err(local_err);
}
}
#ifdef CONFIG_TRACE_SIMPLE
void hmp_trace_file(Monitor *mon, const QDict *qdict)
{
const char *op = qdict_get_try_str(qdict, "op");
const char *arg = qdict_get_try_str(qdict, "arg");
if (!op) {
st_print_trace_file_status();
} else if (!strcmp(op, "on")) {
st_set_trace_file_enabled(true);
} else if (!strcmp(op, "off")) {
st_set_trace_file_enabled(false);
} else if (!strcmp(op, "flush")) {
st_flush_trace_buffer();
} else if (!strcmp(op, "set")) {
if (arg) {
st_set_trace_file(arg);
}
} else {
monitor_printf(mon, "unexpected argument \"%s\"\n", op);
hmp_help_cmd(mon, "trace-file");
}
}
#endif
void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
{
const char *name = qdict_get_try_str(qdict, "name");
bool has_vcpu = qdict_haskey(qdict, "vcpu");
int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
TraceEventInfoList *events;
TraceEventInfoList *elem;
Error *local_err = NULL;
if (name == NULL) {
name = "*";
}
if (vcpu < 0) {
monitor_printf(mon, "argument vcpu must be positive");
return;
}
events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
if (local_err) {
error_report_err(local_err);
return;
}
for (elem = events; elem != NULL; elem = elem->next) {
monitor_printf(mon, "%s : state %u\n",
elem->value->name,
elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
}
qapi_free_TraceEventInfoList(events);
}
void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
{
size_t len;
len = strlen(str);
readline_set_completion_index(rs, len);
if (nb_args == 2) {
TraceEventIter iter;
TraceEvent *ev;
char *pattern = g_strdup_printf("%s*", str);
trace_event_iter_init_pattern(&iter, pattern);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
readline_add_completion(rs, trace_event_get_name(ev));
}
g_free(pattern);
}
}
void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
{
size_t len;
len = strlen(str);
readline_set_completion_index(rs, len);
if (nb_args == 2) {
TraceEventIter iter;
TraceEvent *ev;
char *pattern = g_strdup_printf("%s*", str);
trace_event_iter_init_pattern(&iter, pattern);
while ((ev = trace_event_iter_next(&iter)) != NULL) {
readline_add_completion(rs, trace_event_get_name(ev));
}
g_free(pattern);
} else if (nb_args == 3) {
readline_add_completion_of(rs, str, "on");
readline_add_completion_of(rs, str, "off");
}
}
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