Move the 'st_print_trace_events' and 'st_change_trace_event_state' into
backend-agnostic 'trace_print_events' and 'trace_event_set_state' (respectively)
in the "trace/control.c" file.
By moving them, other backends will later be able to provide their own
implementation.
Signed-off-by: Lluís Vilanova <vilan...@ac.upc.edu>
---
Makefile.objs | 1 +
hmp-commands.hx | 2 +-
monitor.c | 13 +++++++------
trace/control.c | 36 ++++++++++++++++++++++++++++++++++++
trace/control.h | 14 ++++++++++++++
trace/simple.c | 23 -----------------------
trace/simple.h | 2 --
7 files changed, 59 insertions(+), 32 deletions(-)
create mode 100644 trace/control.c
create mode 100644 trace/control.h
diff --git a/Makefile.objs b/Makefile.objs
index 9a67374..fe22e8a 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -366,6 +366,7 @@ trace-obj-y += trace/simple.o
user-obj-y += qemu-timer-common.o
endif
endif
+trace-obj-y += trace/control.o
######################################################################
# smartcard
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 6ad8806..623e012 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -186,7 +186,7 @@ ETEXI
.args_type = "name:s,option:b",
.params = "name on|off",
.help = "changes status of a specific trace event",
- .mhandler.cmd = do_change_trace_event_state,
+ .mhandler.cmd = do_trace_event_set_state,
},
STEXI
diff --git a/monitor.c b/monitor.c
index 67ceb46..f8954fa 100644
--- a/monitor.c
+++ b/monitor.c
@@ -58,7 +58,8 @@
#include "osdep.h"
#include "cpu.h"
#ifdef CONFIG_SIMPLE_TRACE
-#include "trace.h"
+#include "trace/simple.h"
+#include "trace/control.h"
#endif
#include "ui/qemu-spice.h"
@@ -593,11 +594,11 @@ static void do_help_cmd(Monitor *mon, const QDict *qdict)
}
#ifdef CONFIG_SIMPLE_TRACE
-static void do_change_trace_event_state(Monitor *mon, const QDict *qdict)
+static void do_trace_event_set_state(Monitor *mon, const QDict *qdict)
{
const char *tp_name = qdict_get_str(qdict, "name");
bool new_state = qdict_get_bool(qdict, "option");
- int ret = st_change_trace_event_state(tp_name, new_state);
+ int ret = trace_event_set_state(tp_name, new_state);
if (!ret) {
monitor_printf(mon, "unknown event name \"%s\"\n", tp_name);
@@ -1002,9 +1003,9 @@ static void do_info_trace(Monitor *mon)
st_print_trace((FILE *)mon, &monitor_fprintf);
}
-static void do_info_trace_events(Monitor *mon)
+static void do_trace_print_events(Monitor *mon)
{
- st_print_trace_events((FILE *)mon, &monitor_fprintf);
+ trace_print_events((FILE *)mon, &monitor_fprintf);
}
#endif
@@ -3102,7 +3103,7 @@ static const mon_cmd_t info_cmds[] = {
.args_type = "",
.params = "",
.help = "show available trace-events & their state",
- .mhandler.info = do_info_trace_events,
+ .mhandler.info = do_trace_print_events,
},
#endif
{
diff --git a/trace/control.c b/trace/control.c
new file mode 100644
index 0000000..6138eab
--- /dev/null
+++ b/trace/control.c
@@ -0,0 +1,36 @@
+#include "trace/control.h"
+
+#include "trace.h"
+
+
+void trace_print_events(FILE *stream, fprintf_function stream_printf)
+{
+#if defined(CONFIG_SIMPLE_TRACE)
+ unsigned int i;
+
+ for (i = 0; i < NR_TRACE_EVENTS; i++) {
+ stream_printf(stream, "%s [Event ID %u] : state %u\n",
+ trace_list[i].tp_name, i, trace_list[i].state);
+ }
+#else
+ fprintf(stderr, "qemu: warning: cannot print the trace events with the
current backend\n");
+ stream_printf(stream, "error: operation not supported with the current
backend\n");
+#endif
+}
+
+bool trace_event_set_state (const char *name, bool state)
+{
+#if defined(CONFIG_SIMPLE_TRACE)
+ unsigned int i;
+
+ for (i = 0; i < NR_TRACE_EVENTS; i++) {
+ if (!strcmp(trace_list[i].tp_name, name)) {
+ trace_list[i].state = state;
+ return true;
+ }
+ }
+#else
+ fprintf(stderr, "qemu: warning: cannot set the state of a trace event with
the current backend\n");
+#endif
+ return false;
+}
diff --git a/trace/control.h b/trace/control.h
new file mode 100644
index 0000000..37d3aa0
--- /dev/null
+++ b/trace/control.h
@@ -0,0 +1,14 @@
+#ifndef TRACE_CONTROL_H
+#define TRACE_CONTROL_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdio.h>
+
+#include "qemu-common.h"
+
+
+void trace_print_events (FILE *stream, fprintf_function stream_printf);
+bool trace_event_set_state (const char *name, bool state);
+
+#endif /* TRACE_CONTROL_H */
diff --git a/trace/simple.c b/trace/simple.c
index f1dbb5e..8aa3376 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -302,29 +302,6 @@ void st_print_trace(FILE *stream, int
(*stream_printf)(FILE *stream, const char
}
}
-void st_print_trace_events(FILE *stream, int (*stream_printf)(FILE *stream,
const char *fmt, ...))
-{
- unsigned int i;
-
- for (i = 0; i < NR_TRACE_EVENTS; i++) {
- stream_printf(stream, "%s [Event ID %u] : state %u\n",
- trace_list[i].tp_name, i, trace_list[i].state);
- }
-}
-
-bool st_change_trace_event_state(const char *name, bool enabled)
-{
- unsigned int i;
-
- for (i = 0; i < NR_TRACE_EVENTS; i++) {
- if (!strcmp(trace_list[i].tp_name, name)) {
- trace_list[i].state = enabled;
- return true;
- }
- }
- return false;
-}
-
void st_flush_trace_buffer(void)
{
flush_trace_file(true);
diff --git a/trace/simple.h b/trace/simple.h
index b19eef1..5a45250 100644
--- a/trace/simple.h
+++ b/trace/simple.h
@@ -31,8 +31,6 @@ void trace4(TraceEventID event, uint64_t x1, uint64_t x2,
uint64_t x3, uint64_t
void trace5(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3,
uint64_t x4, uint64_t x5);
void trace6(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3,
uint64_t x4, uint64_t x5, uint64_t x6);
void st_print_trace(FILE *stream, fprintf_function stream_printf);
-void st_print_trace_events(FILE *stream, fprintf_function stream_printf);
-bool st_change_trace_event_state(const char *tname, bool tstate);
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
bool st_set_trace_file(const char *file);
