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GET /api/patches/810743/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 810743,
    "url": "http://patchwork.ozlabs.org/api/patches/810743/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150472050004.24907.4613952373869620144.stgit@frigg.lan/",
    "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": "<150472050004.24907.4613952373869620144.stgit@frigg.lan>",
    "list_archive_url": null,
    "date": "2017-09-06T17:55:00",
    "name": "[v4,08/20] instrument: [hmp] Add library loader",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "231ad5a301b607a1a39b6b67882682c817cbdb0f",
    "submitter": {
        "id": 9099,
        "url": "http://patchwork.ozlabs.org/api/people/9099/?format=api",
        "name": "Lluís Vilanova",
        "email": "vilanova@ac.upc.edu"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/150472050004.24907.4613952373869620144.stgit@frigg.lan/mbox/",
    "series": [
        {
            "id": 1859,
            "url": "http://patchwork.ozlabs.org/api/series/1859/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=1859",
            "date": "2017-09-06T17:22:41",
            "name": "instrument: Add basic event instrumentation",
            "version": 4,
            "mbox": "http://patchwork.ozlabs.org/series/1859/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/810743/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/810743/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",
        "Authentication-Results": "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)",
        "Received": [
            "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xnWTn3d6Mz9t43\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu,  7 Sep 2017 03:55:53 +1000 (AEST)",
            "from localhost ([::1]:37336 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1dpeYH-0001ah-Tk\n\tfor incoming@patchwork.ozlabs.org; Wed, 06 Sep 2017 13:55:49 -0400",
            "from eggs.gnu.org ([2001:4830:134:3::10]:42605)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <vilanova@ac.upc.edu>) id 1dpeXj-0001Ya-RL\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 13:55:16 -0400",
            "from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71)\n\t(envelope-from <vilanova@ac.upc.edu>) id 1dpeXe-0002ZU-W2\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 13:55:15 -0400",
            "from roura.ac.upc.es ([147.83.33.10]:47217)\n\tby eggs.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <vilanova@ac.upc.edu>) id 1dpeXe-0002Yv-Ju\n\tfor qemu-devel@nongnu.org; Wed, 06 Sep 2017 13:55:10 -0400",
            "from correu-2.ac.upc.es (correu-2.ac.upc.es [147.83.30.92])\n\tby roura.ac.upc.es (8.13.8/8.13.8) with ESMTP id v86Ht7rv004480;\n\tWed, 6 Sep 2017 19:55:07 +0200",
            "from localhost (unknown [31.210.187.58])\n\tby correu-2.ac.upc.es (Postfix) with ESMTPSA id 68D2633A;\n\tWed,  6 Sep 2017 19:55:01 +0200 (CEST)"
        ],
        "From": "=?utf-8?b?TGx1w61z?= Vilanova <vilanova@ac.upc.edu>",
        "To": "qemu-devel@nongnu.org",
        "Date": "Wed,  6 Sep 2017 20:55:00 +0300",
        "Message-Id": "<150472050004.24907.4613952373869620144.stgit@frigg.lan>",
        "X-Mailer": "git-send-email 2.14.1",
        "In-Reply-To": "<150471856141.24907.274176769201097378.stgit@frigg.lan>",
        "References": "<150471856141.24907.274176769201097378.stgit@frigg.lan>",
        "User-Agent": "StGit/0.17.1-dirty",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "quoted-printable",
        "X-MIME-Autoconverted": "from 8bit to quoted-printable by roura.ac.upc.es id\n\tv86Ht7rv004480",
        "X-detected-operating-system": "by eggs.gnu.org: GNU/Linux 2.6.x [fuzzy]",
        "X-Received-From": "147.83.33.10",
        "Subject": "[Qemu-devel] [PATCH v4 08/20] instrument: [hmp] Add library loader",
        "X-BeenThere": "qemu-devel@nongnu.org",
        "X-Mailman-Version": "2.1.21",
        "Precedence": "list",
        "List-Id": "<qemu-devel.nongnu.org>",
        "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>",
        "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>",
        "List-Post": "<mailto:qemu-devel@nongnu.org>",
        "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>",
        "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>",
        "Cc": "\"Emilio G. Cota\" <cota@braap.org>,\n\t\"Dr. David Alan Gilbert\" <dgilbert@redhat.com>,\n\tStefan Hajnoczi <stefanha@redhat.com>,\n\tMarkus Armbruster <armbru@redhat.com>",
        "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org",
        "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>"
    },
    "content": "Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>\n---\n hmp-commands.hx |   28 ++++++++++++++++++++++++++\n monitor.c       |   60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++\n 2 files changed, 88 insertions(+)",
    "diff": "diff --git a/hmp-commands.hx b/hmp-commands.hx\nindex 1941e19932..703d7262f5 100644\n--- a/hmp-commands.hx\n+++ b/hmp-commands.hx\n@@ -1858,6 +1858,34 @@ ETEXI\n         .sub_table  = info_cmds,\n     },\n \n+    {\n+        .name       = \"instr-load\",\n+        .args_type  = \"path:F,args:s?\",\n+        .params     = \"path [arg]\",\n+        .help       = \"load an instrumentation library\",\n+        .cmd        = hmp_instr_load,\n+    },\n+\n+STEXI\n+@item instr-load @var{path} [args=value[,...]]\n+@findex instr-load\n+Load an instrumentation library.\n+ETEXI\n+\n+    {\n+        .name       = \"instr-unload\",\n+        .args_type  = \"handle:i\",\n+        .params     = \"handle\",\n+        .help       = \"unload an instrumentation library\",\n+        .cmd        = hmp_instr_unload,\n+    },\n+\n+STEXI\n+@item instr-unload\n+@findex instr-unload\n+Unload an instrumentation library.\n+ETEXI\n+\n STEXI\n @end table\n ETEXI\ndiff --git a/monitor.c b/monitor.c\nindex e0f880107f..8a7684f860 100644\n--- a/monitor.c\n+++ b/monitor.c\n@@ -2319,6 +2319,66 @@ int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp)\n     return fd;\n }\n \n+static void hmp_instr_load(Monitor *mon, const QDict *qdict)\n+{\n+    const char *path = qdict_get_str(qdict, \"path\");\n+    const char *str = qdict_get_try_str(qdict, \"args\");\n+    strList args;\n+    args.value = (str == NULL) ? NULL : (char *)str;\n+    args.next = NULL;\n+    InstrLoadResult *res = qmp_instr_load(path, args.value != NULL,\n+                                          args.value != NULL ? &args : NULL,\n+                                          NULL);\n+    switch (res->code) {\n+    case INSTR_LOAD_CODE_OK:\n+        monitor_printf(mon, \"Handle: %\"PRId64\"\\n\", res->handle);\n+        monitor_printf(mon, \"OK\\n\");\n+        break;\n+    case INSTR_LOAD_CODE_TOO_MANY:\n+        monitor_printf(mon, \"Too many instrumentation libraries already loaded\\n\");\n+        break;\n+    case INSTR_LOAD_CODE_ERROR:\n+        monitor_printf(mon, \"Instrumentation library returned a non-zero value during initialization\");\n+        break;\n+    case INSTR_LOAD_CODE_DLERROR:\n+        monitor_printf(mon, \"Error loading library: %s\\n\", res->msg);\n+        break;\n+    case INSTR_LOAD_CODE_UNAVAILABLE:\n+        monitor_printf(mon, \"Service not available\\n\");\n+        break;\n+    default:\n+        fprintf(stderr, \"Unknown instrumentation load code: %d\", res->code);\n+        exit(1);\n+        break;\n+    }\n+    qapi_free_InstrLoadResult(res);\n+}\n+\n+static void hmp_instr_unload(Monitor *mon, const QDict *qdict)\n+{\n+    int64_t handle = qdict_get_int(qdict, \"handle\");\n+    InstrUnloadResult *res = qmp_instr_unload(handle, NULL);\n+    switch (res->code) {\n+    case INSTR_UNLOAD_CODE_OK:\n+        monitor_printf(mon, \"OK\\n\");\n+        break;\n+    case INSTR_UNLOAD_CODE_INVALID:\n+        monitor_printf(mon, \"Invalid handle\\n\");\n+        break;\n+    case INSTR_UNLOAD_CODE_DLERROR:\n+        monitor_printf(mon, \"Error unloading library: %s\\n\", res->msg);\n+        break;\n+    case INSTR_UNLOAD_CODE_UNAVAILABLE:\n+        monitor_printf(mon, \"Service not available\\n\");\n+        break;\n+    default:\n+        fprintf(stderr, \"Unknown instrumentation unload code: %d\", res->code);\n+        exit(1);\n+        break;\n+    }\n+    qapi_free_InstrUnloadResult(res);\n+}\n+\n /* Please update hmp-commands.hx when adding or changing commands */\n static mon_cmd_t info_cmds[] = {\n #include \"hmp-commands-info.h\"\n",
    "prefixes": [
        "v4",
        "08/20"
    ]
}