From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55569) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2aFc-0000Uu-1p for qemu-devel@nongnu.org; Tue, 17 May 2016 04:21:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b2aFW-0004CC-UU for qemu-devel@nongnu.org; Tue, 17 May 2016 04:21:10 -0400 Received: from mailhub.sw.ru ([195.214.232.25]:11125 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b2aFW-00044P-GR for qemu-devel@nongnu.org; Tue, 17 May 2016 04:21:06 -0400 From: "Denis V. Lunev" Date: Tue, 17 May 2016 11:20:30 +0300 Message-Id: <1463473231-491-3-git-send-email-den@openvz.org> In-Reply-To: <1463473231-491-1-git-send-email-den@openvz.org> References: <1463473231-491-1-git-send-email-den@openvz.org> Subject: [Qemu-devel] [PATCH 2/3] trace: enable tracing in qemu-io List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: den@openvz.org, Paolo Bonzini , Stefan Hajnoczi , Kevin Wolf Moving trace_init_backends() into trace_opt_parse() is not possible. This should be called after daemonize() in vl.c. Signed-off-by: Denis V. Lunev CC: Paolo Bonzini CC: Stefan Hajnoczi CC: Kevin Wolf --- qemu-io.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/qemu-io.c b/qemu-io.c index 5ef3ef7..1910fe3 100644 --- a/qemu-io.c +++ b/qemu-io.c @@ -18,6 +18,7 @@ #include "qemu/option.h" #include "qemu/config-file.h" #include "qemu/readline.h" +#include "qemu/log.h" #include "qapi/qmp/qstring.h" #include "qom/object_interfaces.h" #include "sysemu/block-backend.h" @@ -458,6 +459,7 @@ int main(int argc, char **argv) Error *local_error = NULL; QDict *opts = NULL; const char *format = NULL; + char *trace_file = NULL; #ifdef CONFIG_POSIX signal(SIGPIPE, SIG_IGN); @@ -473,6 +475,7 @@ int main(int argc, char **argv) module_call_init(MODULE_INIT_QOM); qemu_add_opts(&qemu_object_opts); + qemu_add_opts(&qemu_trace_opts); bdrv_init(); while ((c = getopt_long(argc, argv, sopt, lopt, &opt_index)) != -1) { @@ -512,9 +515,7 @@ int main(int argc, char **argv) } break; case 'T': - if (!trace_init_backends()) { - exit(1); /* error message will have been printed */ - } + trace_file = trace_opt_parse(optarg, trace_file); break; case 'V': printf("%s version %s\n", progname, QEMU_VERSION); @@ -560,6 +561,12 @@ int main(int argc, char **argv) exit(1); } + if (!trace_init_backends()) { + exit(1); + } + trace_init_file(trace_file); + qemu_set_log(LOG_TRACE); + /* initialize commands */ qemuio_add_command(&quit_cmd); qemuio_add_command(&open_cmd); -- 2.1.4