Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging

# gpg: Signature made Tue 13 Jun 2017 14:35:25 BST
# gpg:                using RSA key 0x9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35  775A 9CA4 ABB3 81AB 73C8

* remotes/stefanha/tags/tracing-pull-request:
  monitor: resurrect handle_qmp_command trace event
  monitor: add handle_hmp_command trace event
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

monitor.c

@@ -3088,6 +3088,8 @@ static void handle_hmp_command(Monitor *mon, const char *cmdline)
     QDict *qdict;
     const mon_cmd_t *cmd;
 
+    trace_handle_hmp_command(mon, cmdline);
+
     cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table);
     if (!cmd) {
         return;
@@ -3807,6 +3809,7 @@ static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
     QDict *qdict = NULL;
     Monitor *mon = cur_mon;
     Error *err = NULL;
+    QString *req_json;
 
     req = json_parser_parse_err(tokens, NULL, &err);
     if (!req && !err) {
@@ -3824,6 +3827,10 @@ static void handle_qmp_command(JSONMessageParser *parser, GQueue *tokens)
         qdict_del(qdict, "id");
     } /* else will fail qmp_dispatch() */
 
+    req_json = qobject_to_json(req);
+    trace_handle_qmp_command(mon, qstring_get_str(req_json));
+    qobject_decref(QOBJECT(req_json));
+
     rsp = qmp_dispatch(cur_mon->qmp.commands, req);
 
     if (mon->qmp.commands == &qmp_cap_negotiation_commands) {

trace-events

@@ -45,6 +45,8 @@ qemu_system_powerdown_request(void) ""
 monitor_protocol_event_handler(uint32_t event, void *qdict) "event=%d data=%p"
 monitor_protocol_event_emit(uint32_t event, void *data) "event=%d data=%p"
 monitor_protocol_event_queue(uint32_t event, void *qdict, uint64_t rate) "event=%d data=%p rate=%" PRId64
+handle_hmp_command(void *mon, const char *cmdline) "mon %p cmdline: %s"
+handle_qmp_command(void *mon, const char *req) "mon %p req: %s"
 
 # dma-helpers.c
 dma_blk_io(void *dbs, void *bs, int64_t offset, bool to_dev) "dbs=%p bs=%p offset=%" PRId64 " to_dev=%d"