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trace: remove argument from trace_init_file 

It is not needed, all the callers are just saving what was
retrieved from -trace and trace_init_file can retrieve it
on its own.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20201102115841.4017692-1-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Paolo Bonzini 2020-11-02 06:58:41 -05:00 committed by Stefan Hajnoczi
parent c6f28ed507
commit 92eecfff32
10 changed files with 24 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
bsd-user/main.c
View File

@ -745,7 +745,6 @@ int main(int argc, char **argv)
const char *gdbstub = NULL;
char **target_environ, **wrk;
envlist_t *envlist = NULL;
char *trace_file = NULL;
bsd_type = target_openbsd;
if (argc <= 1)
@ -851,8 +850,7 @@ int main(int argc, char **argv)
} else if (!strcmp(r, "strace")) {
do_strace = 1;
} else if (!strcmp(r, "trace")) {
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
} else {
usage();
}
@ -880,7 +878,7 @@ int main(int argc, char **argv)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
/* Zero out regs */
memset(regs, 0, sizeof(struct target_pt_regs));

6
linux-user/main.c
View File

@ -386,11 +386,9 @@ static void handle_arg_version(const char *arg)
exit(EXIT_SUCCESS);
}
static char *trace_file;
static void handle_arg_trace(const char *arg)
{
g_free(trace_file);
trace_file = trace_opt_parse(arg);
trace_opt_parse(arg);
}
#if defined(TARGET_XTENSA)
@ -672,7 +670,7 @@ int main(int argc, char **argv, char **envp)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
if (qemu_plugin_load_list(&plugins)) {
exit(1);
}

6
qemu-img.c
View File

@ -5466,7 +5466,6 @@ int main(int argc, char **argv)
const img_cmd_t *cmd;
const char *cmdname;
Error *local_error = NULL;
char *trace_file = NULL;
int c;
static const struct option long_options[] = {
{"help", no_argument, 0, 'h'},
@ -5516,8 +5515,7 @@ int main(int argc, char **argv)
printf(QEMU_IMG_VERSION);
return 0;
case 'T':
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
break;
}
}
@ -5535,7 +5533,7 @@ int main(int argc, char **argv)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
qemu_set_log(LOG_TRACE);
/* find the command */

6
qemu-io.c
View File

@ -536,7 +536,6 @@ int main(int argc, char **argv)
Error *local_error = NULL;
QDict *opts = NULL;
const char *format = NULL;
char *trace_file = NULL;
bool force_share = false;
#ifdef CONFIG_POSIX
@ -601,8 +600,7 @@ int main(int argc, char **argv)
}
break;
case 'T':
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
break;
case 'V':
printf("%s version " QEMU_FULL_VERSION "\n"
@ -653,7 +651,7 @@ int main(int argc, char **argv)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
qemu_set_log(LOG_TRACE);
/* initialize commands */

6
qemu-nbd.c
View File

@ -581,7 +581,6 @@ int main(int argc, char **argv)
const char *tlscredsid = NULL;
bool imageOpts = false;
bool writethrough = true;
char *trace_file = NULL;
bool fork_process = false;
bool list = false;
int old_stderr = -1;
@ -768,8 +767,7 @@ int main(int argc, char **argv)
imageOpts = true;
break;
case 'T':
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
break;
case QEMU_NBD_OPT_TLSAUTHZ:
tlsauthz = optarg;
@ -816,7 +814,7 @@ int main(int argc, char **argv)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
qemu_set_log(LOG_TRACE);
socket_activation = check_socket_activation();

6
scsi/qemu-pr-helper.c
View File

@ -884,7 +884,6 @@ int main(int argc, char **argv)
int quiet = 0;
int ch;
Error *local_err = NULL;
char *trace_file = NULL;
bool daemonize = false;
bool pidfile_specified = false;
bool socket_path_specified = false;
@ -968,8 +967,7 @@ int main(int argc, char **argv)
++loglevel;
break;
case 'T':
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
break;
case 'V':
version(argv[0]);
@ -992,7 +990,7 @@ int main(int argc, char **argv)
if (!trace_init_backends()) {
exit(EXIT_FAILURE);
}
trace_init_file(trace_file);
trace_init_file();
qemu_set_log(LOG_TRACE);
#ifdef CONFIG_MPATH

6
softmmu/vl.c
View File

@ -2886,7 +2886,6 @@ void qemu_init(int argc, char **argv, char **envp)
int display_remote = 0;
const char *log_mask = NULL;
const char *log_file = NULL;
char *trace_file = NULL;
ram_addr_t maxram_size;
uint64_t ram_slots = 0;
FILE *vmstate_dump_file = NULL;
@ -3688,8 +3687,7 @@ void qemu_init(int argc, char **argv, char **envp)
xen_domid_restrict = true;
break;
case QEMU_OPTION_trace:
g_free(trace_file);
trace_file = trace_opt_parse(optarg);
trace_opt_parse(optarg);
break;
case QEMU_OPTION_plugin:
qemu_plugin_opt_parse(optarg, &plugin_list);
@ -3939,7 +3937,7 @@ void qemu_init(int argc, char **argv, char **envp)
if (!trace_init_backends()) {
exit(1);
}
trace_init_file(trace_file);
trace_init_file();
/* Open the logfile at this point and set the log mask if necessary.
*/

9
storage-daemon/qemu-storage-daemon.c
View File

@ -180,12 +180,9 @@ static void process_options(int argc, char *argv[])
help();
exit(EXIT_SUCCESS);
case 'T':
{
char *trace_file = trace_opt_parse(optarg);
trace_init_file(trace_file);
g_free(trace_file);
break;
}
trace_opt_parse(optarg);
trace_init_file();
break;
case 'V':
printf("qemu-storage-daemon version "
QEMU_FULL_VERSION "\n" QEMU_COPYRIGHT "\n");

10
trace/control.c
View File

@ -222,8 +222,10 @@ static void trace_init_events(const char *fname)
loc_pop(&loc);
}
void trace_init_file(const char *file)
void trace_init_file(void)
{
QemuOpts *opts = qemu_find_opts_singleton("trace");
const char *file = qemu_opt_get(opts, "file");
#ifdef CONFIG_TRACE_SIMPLE
st_set_trace_file(file);
if (init_trace_on_startup) {
@ -289,9 +291,8 @@ bool trace_init_backends(void)
return true;
}
char *trace_opt_parse(const char *optarg)
void trace_opt_parse(const char *optarg)
{
char *trace_file;
QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
optarg, true);
if (!opts) {
@ -301,11 +302,8 @@ char *trace_opt_parse(const char *optarg)
trace_enable_events(qemu_opt_get(opts, "enable"));
}
trace_init_events(qemu_opt_get(opts, "events"));
trace_file = g_strdup(qemu_opt_get(opts, "file"));
init_trace_on_startup = true;
qemu_opts_del(opts);
return trace_file;
}
uint32_t trace_get_vcpu_event_count(void)

12
trace/control.h
View File

@ -167,8 +167,6 @@ void trace_event_set_vcpu_state_dynamic(CPUState *vcpu,
/**
* trace_init_backends:
* @file: Name of trace output file; may be NULL.
* Corresponds to commandline option "--trace file=...".
*
* Initialize the tracing backend.
*
@ -178,14 +176,12 @@ bool trace_init_backends(void);
/**
* trace_init_file:
* @file: Name of trace output file; may be NULL.
* Corresponds to commandline option "--trace file=...".
*
* Record the name of the output file for the tracing backend.
* Exits if no selected backend does not support specifying the
* output file, and a non-NULL file was passed.
* output file, and a file was specified with "-trace file=...".
*/
void trace_init_file(const char *file);
void trace_init_file(void);
/**
* trace_init_vcpu:
@ -229,10 +225,8 @@ extern QemuOptsList qemu_trace_opts;
* @optarg: A string argument of --trace command line argument
*
* Initialize tracing subsystem.
*
* Returns the filename to save trace to. It must be freed with g_free().
*/
char *trace_opt_parse(const char *optarg);
void trace_opt_parse(const char *optarg);
/**
* trace_get_vcpu_event_count: