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GET /api/patches/40353/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 40353,
    "url": "http://patchwork.ozlabs.org/api/patches/40353/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1259946695-15784-15-git-send-email-lcapitulino@redhat.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1259946695-15784-15-git-send-email-lcapitulino@redhat.com>",
    "list_archive_url": null,
    "date": "2009-12-04T17:11:32",
    "name": "[14/17] block: Convert bdrv_info_stats() to QObject",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "a9d7028cba02b019c4a2625758ce23e212d4decd",
    "submitter": {
        "id": 2649,
        "url": "http://patchwork.ozlabs.org/api/people/2649/?format=api",
        "name": "Luiz Capitulino",
        "email": "lcapitulino@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/1259946695-15784-15-git-send-email-lcapitulino@redhat.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/40353/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/40353/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
        "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org",
        "Received": [
            "from lists.gnu.org (lists.gnu.org [199.232.76.165])\n\t(using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits))\n\t(Client did not present a certificate)\n\tby ozlabs.org (Postfix) with ESMTPS id 7937FB7BA5\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat,  5 Dec 2009 04:42:25 +1100 (EST)",
            "from localhost ([127.0.0.1]:52671 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.43) id 1NGcAg-0002M7-LW\n\tfor incoming@patchwork.ozlabs.org; Fri, 04 Dec 2009 12:42:22 -0500",
            "from mailman by lists.gnu.org with tmda-scanned (Exim 4.43)\n\tid 1NGbhZ-0001Jy-Go\n\tfor qemu-devel@nongnu.org; Fri, 04 Dec 2009 12:12:17 -0500",
            "from exim by lists.gnu.org with spam-scanned (Exim 4.43)\n\tid 1NGbhX-0001Gl-2p\n\tfor qemu-devel@nongnu.org; Fri, 04 Dec 2009 12:12:16 -0500",
            "from [199.232.76.173] (port=44840 helo=monty-python.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.43) id 1NGbhW-0001GT-Oj\n\tfor qemu-devel@nongnu.org; Fri, 04 Dec 2009 12:12:14 -0500",
            "from mx1.redhat.com ([209.132.183.28]:52909)\n\tby monty-python.gnu.org with esmtp (Exim 4.60)\n\t(envelope-from <lcapitulino@redhat.com>) id 1NGbhW-0008PV-KT\n\tfor qemu-devel@nongnu.org; Fri, 04 Dec 2009 12:12:14 -0500",
            "from int-mx01.intmail.prod.int.phx2.redhat.com\n\t(int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11])\n\tby mx1.redhat.com (8.13.8/8.13.8) with ESMTP id nB4HCDPh017150\n\t(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK);\n\tFri, 4 Dec 2009 12:12:13 -0500",
            "from localhost (vpn-11-221.rdu.redhat.com [10.11.11.221])\n\tby int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with\n\tESMTP id nB4HCCAF028656; Fri, 4 Dec 2009 12:12:13 -0500"
        ],
        "From": "Luiz Capitulino <lcapitulino@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Fri,  4 Dec 2009 15:11:32 -0200",
        "Message-Id": "<1259946695-15784-15-git-send-email-lcapitulino@redhat.com>",
        "In-Reply-To": "<1259946695-15784-1-git-send-email-lcapitulino@redhat.com>",
        "References": "<1259946695-15784-1-git-send-email-lcapitulino@redhat.com>",
        "X-Scanned-By": "MIMEDefang 2.67 on 10.5.11.11",
        "X-detected-operating-system": "by monty-python.gnu.org: Genre and OS details\n\tnot recognized.",
        "Cc": "aliguori@us.ibm.com",
        "Subject": "[Qemu-devel] [PATCH 14/17] block: Convert bdrv_info_stats() to\n\tQObject",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.5",
        "Precedence": "list",
        "List-Id": "qemu-devel.nongnu.org",
        "List-Unsubscribe": "<http://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.gnu.org/pipermail/qemu-devel>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<http://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"
    },
    "content": "Each device statistic information is stored in a QDict and\nthe returned QObject is a QList of all devices.\n\nThis commit should not change user output.\n\nSigned-off-by: Luiz Capitulino <lcapitulino@redhat.com>\n---\n block.c   |   82 ++++++++++++++++++++++++++++++++++++++++++++++++++++--------\n block.h   |    3 +-\n monitor.c |    3 +-\n 3 files changed, 75 insertions(+), 13 deletions(-)",
    "diff": "diff --git a/block.c b/block.c\nindex f0cabaa..d7c8547 100644\n--- a/block.c\n+++ b/block.c\n@@ -1261,22 +1261,82 @@ void bdrv_info(Monitor *mon, QObject **ret_data)\n     *ret_data = QOBJECT(bs_list);\n }\n \n-/* The \"info blockstats\" command. */\n-void bdrv_info_stats(Monitor *mon)\n+static void bdrv_stats_iter(QObject *data, void *opaque)\n {\n+    QDict *qdict;\n+    Monitor *mon = opaque;\n+\n+    qdict = qobject_to_qdict(data);\n+    monitor_printf(mon, \"%s:\", qdict_get_str(qdict, \"device\"));\n+\n+    qdict = qobject_to_qdict(qdict_get(qdict, \"stats\"));\n+    monitor_printf(mon, \" rd_bytes=%\" PRId64\n+                        \" wr_bytes=%\" PRId64\n+                        \" rd_operations=%\" PRId64\n+                        \" wr_operations=%\" PRId64\n+                        \"\\n\",\n+                        qdict_get_int(qdict, \"rd_bytes\"),\n+                        qdict_get_int(qdict, \"wr_bytes\"),\n+                        qdict_get_int(qdict, \"rd_operations\"),\n+                        qdict_get_int(qdict, \"wr_operations\"));\n+}\n+\n+void bdrv_stats_print(Monitor *mon, const QObject *data)\n+{\n+    qlist_iter(qobject_to_qlist(data), bdrv_stats_iter, mon);\n+}\n+\n+/**\n+ * bdrv_info_stats(): show block device statistics\n+ *\n+ * Each device statistic information is stored in a QDict and\n+ * the returned QObject is a QList of all devices.\n+ *\n+ * The QDict contains the following:\n+ *\n+ * - \"device\": device name\n+ * - \"stats\": QDict with the stats information, contains:\n+ *     - \"rd_bytes\": bytes read\n+ *     - \"wr_bytes\": bytes written\n+ *     - \"rd_operations\": read operations\n+ *     - \"wr_operations\": write operations\n+ * \n+ * Example:\n+ *\n+ * [ { \"device\": \"ide0-hd0\",\n+ *               \"stats\": { \"rd_bytes\": 512,\n+ *                          \"wr_bytes\": 0,\n+ *                          \"rd_operations\": 1,\n+ *                          \"wr_operations\": 0 } },\n+ *   { \"device\": \"ide1-cd0\",\n+ *               \"stats\": { \"rd_bytes\": 0,\n+ *                          \"wr_bytes\": 0,\n+ *                          \"rd_operations\": 0,\n+ *                          \"wr_operations\": 0 } } ]\n+ */\n+void bdrv_info_stats(Monitor *mon, QObject **ret_data)\n+{\n+    QObject *obj;\n+    QList *devices;\n     BlockDriverState *bs;\n \n+    devices = qlist_new();\n+\n     for (bs = bdrv_first; bs != NULL; bs = bs->next) {\n-        monitor_printf(mon, \"%s:\"\n-                       \" rd_bytes=%\" PRIu64\n-                       \" wr_bytes=%\" PRIu64\n-                       \" rd_operations=%\" PRIu64\n-                       \" wr_operations=%\" PRIu64\n-                       \"\\n\",\n-                       bs->device_name,\n-                       bs->rd_bytes, bs->wr_bytes,\n-                       bs->rd_ops, bs->wr_ops);\n-    }\n+        obj = qobject_from_jsonf(\"{ 'device': %s, 'stats': {\"\n+                                 \"'rd_bytes': %\" PRId64 \",\"\n+                                 \"'wr_bytes': %\" PRId64 \",\"\n+                                 \"'rd_operations': %\" PRId64 \",\"\n+                                 \"'wr_operations': %\" PRId64\n+                                 \"} }\",\n+                                 bs->device_name,\n+                                 bs->rd_bytes, bs->wr_bytes,\n+                                 bs->rd_ops, bs->wr_ops);\n+        assert(obj != NULL);\n+        qlist_append_obj(devices, obj);\n+    }\n+\n+    *ret_data = QOBJECT(devices);\n }\n \n const char *bdrv_get_encrypted_filename(BlockDriverState *bs)\ndiff --git a/block.h b/block.h\nindex 3282dd2..fa51ddf 100644\n--- a/block.h\n+++ b/block.h\n@@ -48,7 +48,8 @@ typedef struct QEMUSnapshotInfo {\n \n void bdrv_info_print(Monitor *mon, const QObject *data);\n void bdrv_info(Monitor *mon, QObject **ret_data);\n-void bdrv_info_stats(Monitor *mon);\n+void bdrv_stats_print(Monitor *mon, const QObject *data);\n+void bdrv_info_stats(Monitor *mon, QObject **ret_data);\n \n void bdrv_init(void);\n void bdrv_init_with_whitelist(void);\ndiff --git a/monitor.c b/monitor.c\nindex 8b42f9b..bd1e045 100644\n--- a/monitor.c\n+++ b/monitor.c\n@@ -2255,7 +2255,8 @@ static const mon_cmd_t info_cmds[] = {\n         .args_type  = \"\",\n         .params     = \"\",\n         .help       = \"show block device statistics\",\n-        .mhandler.info = bdrv_info_stats,\n+        .user_print = bdrv_stats_print,\n+        .mhandler.info_new = bdrv_info_stats,\n     },\n     {\n         .name       = \"registers\",\n",
    "prefixes": [
        "14/17"
    ]
}