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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>pull/232/head
Markus Armbruster
4 years ago
4 changed files with 152 additions and 119 deletions
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/*
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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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