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[Qemu-devel] [PATCH v11 6/7] trace: [simple] Port to generic event infor
From: |
Lluís Vilanova |
Subject: |
[Qemu-devel] [PATCH v11 6/7] trace: [simple] Port to generic event information and new control interface |
Date: |
Fri, 1 Mar 2013 16:30:09 +0100 |
User-agent: |
StGit/0.16 |
Signed-off-by: Lluís Vilanova <address@hidden>
---
scripts/tracetool/backend/simple.py | 18 +++++-------------
trace/simple.c | 32 +++++---------------------------
trace/simple.h | 6 +-----
3 files changed, 11 insertions(+), 45 deletions(-)
diff --git a/scripts/tracetool/backend/simple.py
b/scripts/tracetool/backend/simple.py
index ac864f3..37ef599 100644
--- a/scripts/tracetool/backend/simple.py
+++ b/scripts/tracetool/backend/simple.py
@@ -28,17 +28,10 @@ def is_string(arg):
def c(events):
out('#include "trace.h"',
+ '#include "trace/control.h"',
'#include "trace/simple.h"',
'',
- 'TraceEvent trace_list[] = {')
-
- for e in events:
- out('{.tp_name = "%(name)s", .state=0},',
- name = e.name,
- )
-
- out('};',
- '')
+ )
for num, event in enumerate(events):
out('void trace_%(name)s(%(args)s)',
@@ -63,7 +56,9 @@ def c(events):
out('',
- ' if (!trace_list[%(event_id)s].state) {',
+ ' TraceEvent *eventp = trace_event_id(%(event_id)s);',
+ ' bool _state = trace_event_get_state_dynamic(eventp);',
+ ' if (!_state) {',
' return;',
' }',
'',
@@ -106,6 +101,3 @@ def h(events):
name = event.name,
args = event.args,
)
- out('')
- out('#define NR_TRACE_EVENTS %d' % len(events))
- out('extern TraceEvent trace_list[NR_TRACE_EVENTS];')
diff --git a/trace/simple.c b/trace/simple.c
index 375d98f..5bb905c 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -359,38 +359,16 @@ void trace_print_events(FILE *stream, fprintf_function
stream_printf)
{
unsigned int i;
- for (i = 0; i < NR_TRACE_EVENTS; i++) {
+ for (i = 0; i < trace_event_count(); i++) {
+ TraceEvent *ev = trace_event_id(i);
stream_printf(stream, "%s [Event ID %u] : state %u\n",
- trace_list[i].tp_name, i, trace_list[i].state);
+ trace_event_get_name(ev), i,
trace_event_get_state_dynamic(ev));
}
}
-bool trace_event_set_state(const char *name, bool state)
+void trace_event_set_state_dynamic_backend(TraceEvent *ev, bool state)
{
- unsigned int i;
- unsigned int len;
- bool wildcard = false;
- bool matched = false;
-
- len = strlen(name);
- if (len > 0 && name[len - 1] == '*') {
- wildcard = true;
- len -= 1;
- }
- for (i = 0; i < NR_TRACE_EVENTS; i++) {
- if (wildcard) {
- if (!strncmp(trace_list[i].tp_name, name, len)) {
- trace_list[i].state = state;
- matched = true;
- }
- continue;
- }
- if (!strcmp(trace_list[i].tp_name, name)) {
- trace_list[i].state = state;
- return true;
- }
- }
- return matched;
+ ev->dstate = state;
}
/* Helper function to create a thread with signals blocked. Use glib's
diff --git a/trace/simple.h b/trace/simple.h
index 2ab96a8..5260d9a 100644
--- a/trace/simple.h
+++ b/trace/simple.h
@@ -15,12 +15,8 @@
#include <stdbool.h>
#include <stdio.h>
-typedef uint64_t TraceEventID;
+#include "trace/generated-events.h"
-typedef struct {
- const char *tp_name;
- bool state;
-} TraceEvent;
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
- [Qemu-devel] [PATCH v11 0/7] trace: Generic event state description, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 1/7] trace: [tracetool] Explicitly identify public backends, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 2/7] trace: Provide a generic tracing event descriptor, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 3/7] trace: Provide a detailed event control interface, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 4/7] trace: [monitor] Use new event control interface, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 5/7] trace: [default] Port to generic event information and new control interface, Lluís Vilanova, 2013/03/01
- [Qemu-devel] [PATCH v11 6/7] trace: [simple] Port to generic event information and new control interface,
Lluís Vilanova <=
- [Qemu-devel] [PATCH v11 7/7] trace: [stderr] Port to generic event information and new control interface, Lluís Vilanova, 2013/03/01
- Re: [Qemu-devel] [PATCH v11 0/7] trace: Generic event state description, Stefan Hajnoczi, 2013/03/04