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-rw-r--r--trace/control.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/trace/control.c b/trace/control.c
index e1556a3570..86de8b9983 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -21,11 +21,33 @@
#endif
#include "qapi/error.h"
#include "qemu/error-report.h"
+#include "qemu/config-file.h"
#include "monitor/monitor.h"
int trace_events_enabled_count;
bool trace_events_dstate[TRACE_EVENT_COUNT];
+QemuOptsList qemu_trace_opts = {
+ .name = "trace",
+ .implied_opt_name = "enable",
+ .head = QTAILQ_HEAD_INITIALIZER(qemu_trace_opts.head),
+ .desc = {
+ {
+ .name = "enable",
+ .type = QEMU_OPT_STRING,
+ },
+ {
+ .name = "events",
+ .type = QEMU_OPT_STRING,
+ },{
+ .name = "file",
+ .type = QEMU_OPT_STRING,
+ },
+ { /* end of list */ }
+ },
+};
+
+
TraceEvent *trace_event_name(const char *name)
{
assert(name != NULL);
@@ -142,7 +164,7 @@ void trace_enable_events(const char *line_buf)
}
}
-void trace_init_events(const char *fname)
+static void trace_init_events(const char *fname)
{
Location loc;
FILE *fp;
@@ -217,3 +239,21 @@ bool trace_init_backends(void)
return true;
}
+
+char *trace_opt_parse(const char *optarg)
+{
+ char *trace_file;
+ QemuOpts *opts = qemu_opts_parse_noisily(qemu_find_opts("trace"),
+ optarg, true);
+ if (!opts) {
+ exit(1);
+ }
+ if (qemu_opt_get(opts, "enable")) {
+ 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"));
+ qemu_opts_del(opts);
+
+ return trace_file;
+}