From nobody Wed Nov 5 03:12:38 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1500918758371489.3080166812408; Mon, 24 Jul 2017 10:52:38 -0700 (PDT) Received: from localhost ([::1]:56168 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dZhX1-0005au-Nx for importer@patchew.org; Mon, 24 Jul 2017 13:52:35 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:41417) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dZhVb-00051K-MW for qemu-devel@nongnu.org; Mon, 24 Jul 2017 13:51:08 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dZhVW-00060x-R1 for qemu-devel@nongnu.org; Mon, 24 Jul 2017 13:51:07 -0400 Received: from roura.ac.upc.es ([147.83.33.10]:35840) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dZhVW-00060i-Ec for qemu-devel@nongnu.org; Mon, 24 Jul 2017 13:51:02 -0400 Received: from correu-1.ac.upc.es (correu-1.ac.upc.es [147.83.30.91]) by roura.ac.upc.es (8.13.8/8.13.8) with ESMTP id v6OHoxFJ000751; Mon, 24 Jul 2017 19:50:59 +0200 Received: from localhost (unknown [31.210.188.120]) by correu-1.ac.upc.es (Postfix) with ESMTPSA id CD41D176C; Mon, 24 Jul 2017 19:50:53 +0200 (CEST) From: =?utf-8?b?TGx1w61z?= Vilanova To: qemu-devel@nongnu.org Date: Mon, 24 Jul 2017 20:50:52 +0300 Message-Id: <150091865221.30739.8093437461715631283.stgit@frigg.lan> X-Mailer: git-send-email 2.13.2 In-Reply-To: <150091574424.30739.4131793221953168474.stgit@frigg.lan> References: <150091574424.30739.4131793221953168474.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 v6OHoxFJ000751 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 12/13] instrument: [hmp] Add library loader X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Emilio G. Cota" , "Dr. David Alan Gilbert" , Stefan Hajnoczi , Markus Armbruster Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Signed-off-by: Llu=C3=ADs Vilanova --- hmp-commands.hx | 28 ++++++++++++++++++++++++++++ monitor.c | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++= ++++ 2 files changed, 83 insertions(+) diff --git a/hmp-commands.hx b/hmp-commands.hx index 1941e19932..b1f3a75ab0 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1858,6 +1858,34 @@ ETEXI .sub_table =3D info_cmds, }, =20 + { + .name =3D "instr-load", + .args_type =3D "path:F,args:s?", + .params =3D "path [args]", + .help =3D "load an instrumentation library", + .cmd =3D hmp_instr_load, + }, + +STEXI +@item instr-load @var{path} [args=3Dvalue[,...]] +@findex instr-load +Load an instrumentation library. +ETEXI + + { + .name =3D "instr-unload", + .args_type =3D "handle:i", + .params =3D "", + .help =3D "unload an instrumentation library", + .cmd =3D hmp_instr_unload, + }, + +STEXI +@item instr-unload +@findex instr-unload +Unload an instrumentation library. +ETEXI + STEXI @end table ETEXI diff --git a/monitor.c b/monitor.c index 6d040e620f..4784356798 100644 --- a/monitor.c +++ b/monitor.c @@ -2319,6 +2319,61 @@ int monitor_fd_param(Monitor *mon, const char *fdnam= e, Error **errp) return fd; } =20 +static void hmp_instr_load(Monitor *mon, const QDict *qdict) +{ + const char *path =3D qdict_get_str(qdict, "path"); + String str; + str.str =3D (char *)qdict_get_try_str(qdict, "args"); + StringList args; + args.value =3D str.str =3D=3D NULL ? NULL : &str; + args.next =3D NULL; + InstrLoadResult *res =3D qmp_instr_load(path, args.value !=3D NULL, + args.value !=3D NULL ? &args : N= ULL, + NULL); + switch (res->code) { + case INSTR_LOAD_CODE_OK: + monitor_printf(mon, "Handle: %"PRId64"\n", res->handle); + monitor_printf(mon, "OK\n"); + break; + case INSTR_LOAD_CODE_UNAVAILABLE: + monitor_printf(mon, "Not available\n"); + break; + case INSTR_LOAD_CODE_ERROR: + monitor_printf(mon, "Error loading library: %s\n", res->msg); + break; + default: + fprintf(stderr, "Unknown instrumentation load code: %d", res->code= ); + exit(1); + break; + } + qapi_free_InstrLoadResult(res); +} + +static void hmp_instr_unload(Monitor *mon, const QDict *qdict) +{ + int64_t handle =3D qdict_get_int(qdict, "handle"); + InstrUnloadResult *res =3D qmp_instr_unload(handle, NULL); + switch (res->code) { + case INSTR_UNLOAD_CODE_OK: + monitor_printf(mon, "OK\n"); + break; + case INSTR_UNLOAD_CODE_UNAVAILABLE: + monitor_printf(mon, "Not available\n"); + break; + case INSTR_UNLOAD_CODE_INVALID: + monitor_printf(mon, "Invalid handle\n"); + break; + case INSTR_UNLOAD_CODE_ERROR: + monitor_printf(mon, "Error unloading library: %s\n", res->msg); + break; + default: + fprintf(stderr, "Unknown instrumentation unload code: %d", res->co= de); + exit(1); + break; + } + qapi_free_InstrUnloadResult(res); +} + /* Please update hmp-commands.hx when adding or changing commands */ static mon_cmd_t info_cmds[] =3D { #include "hmp-commands-info.h"