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From: Markus Armbruster <armbru@redhat.com>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: [PULL 22/33] qmp: Fix tracing of non-string command IDs
Date: Sat, 19 Dec 2020 11:55:21 +0100	[thread overview]
Message-ID: <20201219105532.1734134-23-armbru@redhat.com> (raw)
In-Reply-To: <20201219105532.1734134-1-armbru@redhat.com>

Tracepoints monitor_qmp_cmd_in_band and
monitor_qmp_cmd_out_of_band (commit cf869d5317 "qmp: support
out-of-band (oob) execution") treat non-string "id" like absent "id".
Fix that.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20201211171152.146877-10-armbru@redhat.com>
---
 monitor/qmp.c | 30 ++++++++++++++++++------------
 1 file changed, 18 insertions(+), 12 deletions(-)

diff --git a/monitor/qmp.c b/monitor/qmp.c
index 374bb4b81c..8f91af32be 100644
--- a/monitor/qmp.c
+++ b/monitor/qmp.c
@@ -31,7 +31,6 @@
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qjson.h"
 #include "qapi/qmp/qlist.h"
-#include "qapi/qmp/qstring.h"
 #include "trace.h"
 
 struct QMPRequest {
@@ -276,9 +275,15 @@ void coroutine_fn monitor_qmp_dispatcher_co(void *data)
             mon->qmp_requests->length == QMP_REQ_QUEUE_LEN_MAX - 1;
         qemu_mutex_unlock(&mon->qmp_queue_lock);
         if (req_obj->req) {
-            QDict *qdict = qobject_to(QDict, req_obj->req);
-            QObject *id = qdict ? qdict_get(qdict, "id") : NULL;
-            trace_monitor_qmp_cmd_in_band(qobject_get_try_str(id) ?: "");
+            if (trace_event_get_state(TRACE_MONITOR_QMP_CMD_IN_BAND)) {
+                QDict *qdict = qobject_to(QDict, req_obj->req);
+                QObject *id = qdict ? qdict_get(qdict, "id") : NULL;
+                GString *id_json;
+
+                id_json = id ? qobject_to_json(id) : g_string_new(NULL);
+                trace_monitor_qmp_cmd_in_band(id_json->str);
+                g_string_free(id_json, true);
+            }
             monitor_qmp_dispatch(mon, req_obj->req);
         } else {
             assert(req_obj->err);
@@ -308,17 +313,11 @@ void coroutine_fn monitor_qmp_dispatcher_co(void *data)
 static void handle_qmp_command(void *opaque, QObject *req, Error *err)
 {
     MonitorQMP *mon = opaque;
-    QObject *id = NULL;
-    QDict *qdict;
+    QDict *qdict = qobject_to(QDict, req);
     QMPRequest *req_obj;
 
     assert(!req != !err);
 
-    qdict = qobject_to(QDict, req);
-    if (qdict) {
-        id = qdict_get(qdict, "id");
-    } /* else will fail qmp_dispatch() */
-
     if (req && trace_event_get_state_backends(TRACE_HANDLE_QMP_COMMAND)) {
         GString *req_json = qobject_to_json(req);
         trace_handle_qmp_command(mon, req_json->str);
@@ -327,7 +326,14 @@ static void handle_qmp_command(void *opaque, QObject *req, Error *err)
 
     if (qdict && qmp_is_oob(qdict)) {
         /* OOB commands are executed immediately */
-        trace_monitor_qmp_cmd_out_of_band(qobject_get_try_str(id) ?: "");
+        if (trace_event_get_state(TRACE_MONITOR_QMP_CMD_OUT_OF_BAND)) {
+            QObject *id = qdict_get(qdict, "id");
+            GString *id_json;
+
+            id_json = id ? qobject_to_json(id) : g_string_new(NULL);
+            trace_monitor_qmp_cmd_out_of_band(id_json->str);
+            g_string_free(id_json, true);
+        }
         monitor_qmp_dispatch(mon, req);
         qobject_unref(req);
         return;
-- 
2.26.2



  parent reply	other threads:[~2020-12-19 11:12 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-19 10:54 [PULL 00/33] QAPI patches patches for 2020-12-19 Markus Armbruster
2020-12-19 10:55 ` [PULL 01/33] rocker: Revamp fp_port_get_info Markus Armbruster
2020-12-19 10:55 ` [PULL 02/33] migration: Refactor migrate_cap_add Markus Armbruster
2020-12-19 10:55 ` [PULL 03/33] qapi: Use QAPI_LIST_PREPEND() where possible Markus Armbruster
2020-12-19 10:55 ` [PULL 04/33] tests/check-qjson: Don't skip funny QNumber to JSON conversions Markus Armbruster
2020-12-19 10:55 ` [PULL 05/33] tests/check-qjson: Examine QNum more thoroughly Markus Armbruster
2020-12-19 10:55 ` [PULL 06/33] tests/check-qjson: Cover number 2^63 Markus Armbruster
2020-12-19 10:55 ` [PULL 07/33] tests/check-qjson: Replace redundant large_number() Markus Armbruster
2020-12-19 10:55 ` [PULL 08/33] tests/check-qnum: Cover qnum_to_string() for "unround" argument Markus Armbruster
2020-12-19 10:55 ` [PULL 09/33] qobject: Fix qnum_to_string() to use sufficient precision Markus Armbruster
2020-12-19 10:55 ` [PULL 10/33] test-string-output-visitor: Cover "unround" number Markus Armbruster
2020-12-19 10:55 ` [PULL 11/33] string-output-visitor: Fix to use sufficient precision Markus Armbruster
2020-12-19 10:55 ` [PULL 12/33] test-visitor-serialization: Drop insufficient precision workaround Markus Armbruster
2020-12-19 10:55 ` [PULL 13/33] test-visitor-serialization: Clean up test_primitives() Markus Armbruster
2020-12-19 10:55 ` [PULL 14/33] hmp: Simplify how qmp_human_monitor_command() gets output Markus Armbruster
2020-12-19 10:55 ` [PULL 15/33] monitor: Use GString instead of QString for output buffer Markus Armbruster
2020-12-19 10:55 ` [PULL 16/33] qobject: Make qobject_to_json_pretty() take a pretty argument Markus Armbruster
2020-12-19 10:55 ` [PULL 17/33] qobject: Use GString instead of QString to accumulate JSON Markus Armbruster
2020-12-19 10:55 ` [PULL 18/33] qobject: Change qobject_to_json()'s value to GString Markus Armbruster
2020-12-19 10:55 ` [PULL 19/33] Revert "qstring: add qstring_free()" Markus Armbruster
2020-12-19 10:55 ` [PULL 20/33] hw/rdma: Replace QList by GQueue Markus Armbruster
2020-12-19 10:55 ` [PULL 21/33] qobject: Move internals to qobject-internal.h Markus Armbruster
2020-12-19 10:55 ` Markus Armbruster [this message]
2020-12-19 10:55 ` [PULL 23/33] block: Avoid qobject_get_try_str() Markus Armbruster
2020-12-19 10:55 ` [PULL 24/33] Revert "qobject: let object_property_get_str() use new API" Markus Armbruster
2020-12-19 10:55 ` [PULL 25/33] qobject: Drop qobject_get_try_str() Markus Armbruster
2020-12-19 10:55 ` [PULL 26/33] qobject: Drop qstring_get_try_str() Markus Armbruster
2020-12-19 10:55 ` [PULL 27/33] qobject: Factor quoted_str() out of to_json() Markus Armbruster
2020-12-19 10:55 ` [PULL 28/33] qobject: Factor JSON writer out of qobject_to_json() Markus Armbruster
2020-12-19 10:55 ` [PULL 29/33] migration: Replace migration's JSON writer by the general one Markus Armbruster
2020-12-19 10:55 ` [PULL 30/33] json: Use GString instead of QString to accumulate strings Markus Armbruster
2020-12-19 10:55 ` [PULL 31/33] keyval: Use GString to accumulate value strings Markus Armbruster
2020-12-19 10:55 ` [PULL 32/33] block: Use GString instead of QString to build filenames Markus Armbruster
2020-12-19 10:55 ` [PULL 33/33] qobject: Make QString immutable Markus Armbruster
2020-12-19 11:24 ` [PULL 00/33] QAPI patches patches for 2020-12-19 no-reply
2021-01-01 16:56 ` Peter Maydell

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