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29b62a1063
This moves these commands from MAINTAINERS sections "Human Monitor (HMP)" and "QMP" to "Tracing". Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20230124121946.1139465-9-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
149 lines
4.7 KiB
C
149 lines
4.7 KiB
C
/*
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* HMP commands related to tracing
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*
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* Copyright (c) 2003-2004 Fabrice Bellard
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "qemu/osdep.h"
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#include "monitor/hmp.h"
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#include "monitor/monitor.h"
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#include "qapi/error.h"
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#include "qapi/qapi-commands-trace.h"
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#include "qapi/qmp/qdict.h"
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#include "trace/control.h"
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#ifdef CONFIG_TRACE_SIMPLE
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#include "trace/simple.h"
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#endif
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void hmp_trace_event(Monitor *mon, const QDict *qdict)
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{
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const char *tp_name = qdict_get_str(qdict, "name");
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bool new_state = qdict_get_bool(qdict, "option");
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bool has_vcpu = qdict_haskey(qdict, "vcpu");
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int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
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Error *local_err = NULL;
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if (vcpu < 0) {
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monitor_printf(mon, "argument vcpu must be positive");
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return;
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}
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qmp_trace_event_set_state(tp_name, new_state, true, true, has_vcpu, vcpu, &local_err);
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if (local_err) {
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error_report_err(local_err);
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}
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}
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#ifdef CONFIG_TRACE_SIMPLE
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void hmp_trace_file(Monitor *mon, const QDict *qdict)
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{
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const char *op = qdict_get_try_str(qdict, "op");
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const char *arg = qdict_get_try_str(qdict, "arg");
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if (!op) {
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st_print_trace_file_status();
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} else if (!strcmp(op, "on")) {
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st_set_trace_file_enabled(true);
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} else if (!strcmp(op, "off")) {
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st_set_trace_file_enabled(false);
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} else if (!strcmp(op, "flush")) {
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st_flush_trace_buffer();
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} else if (!strcmp(op, "set")) {
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if (arg) {
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st_set_trace_file(arg);
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}
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} else {
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monitor_printf(mon, "unexpected argument \"%s\"\n", op);
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hmp_help_cmd(mon, "trace-file");
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}
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}
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#endif
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void hmp_info_trace_events(Monitor *mon, const QDict *qdict)
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{
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const char *name = qdict_get_try_str(qdict, "name");
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bool has_vcpu = qdict_haskey(qdict, "vcpu");
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int vcpu = qdict_get_try_int(qdict, "vcpu", 0);
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TraceEventInfoList *events;
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TraceEventInfoList *elem;
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Error *local_err = NULL;
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if (name == NULL) {
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name = "*";
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}
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if (vcpu < 0) {
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monitor_printf(mon, "argument vcpu must be positive");
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return;
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}
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events = qmp_trace_event_get_state(name, has_vcpu, vcpu, &local_err);
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if (local_err) {
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error_report_err(local_err);
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return;
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}
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for (elem = events; elem != NULL; elem = elem->next) {
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monitor_printf(mon, "%s : state %u\n",
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elem->value->name,
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elem->value->state == TRACE_EVENT_STATE_ENABLED ? 1 : 0);
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}
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qapi_free_TraceEventInfoList(events);
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}
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void info_trace_events_completion(ReadLineState *rs, int nb_args, const char *str)
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{
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size_t len;
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len = strlen(str);
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readline_set_completion_index(rs, len);
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if (nb_args == 2) {
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TraceEventIter iter;
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TraceEvent *ev;
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char *pattern = g_strdup_printf("%s*", str);
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trace_event_iter_init_pattern(&iter, pattern);
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while ((ev = trace_event_iter_next(&iter)) != NULL) {
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readline_add_completion(rs, trace_event_get_name(ev));
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}
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g_free(pattern);
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}
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}
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void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
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{
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size_t len;
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len = strlen(str);
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readline_set_completion_index(rs, len);
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if (nb_args == 2) {
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TraceEventIter iter;
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TraceEvent *ev;
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char *pattern = g_strdup_printf("%s*", str);
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trace_event_iter_init_pattern(&iter, pattern);
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while ((ev = trace_event_iter_next(&iter)) != NULL) {
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readline_add_completion(rs, trace_event_get_name(ev));
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}
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g_free(pattern);
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} else if (nb_args == 3) {
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readline_add_completion_of(rs, str, "on");
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readline_add_completion_of(rs, str, "off");
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}
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}
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