mutter/cogl/cogl/cogl-trace.h
Georges Basile Stavracas Neto 7810f0e276
cogl/trace: Add user-visible group name
This way, it shows up as "Compositor" in Sysprof instead of
"t:XYZ".

https://gitlab.gnome.org/GNOME/mutter/merge_requests/197
2019-05-31 11:57:09 -03:00

148 lines
4.6 KiB
C

/*
* Copyright 2018 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef COGL_TRACE_H
#define COGL_TRACE_H
#include "cogl-config.h"
#ifdef HAVE_TRACING
#include <glib.h>
#include <sysprof-capture-writer.h>
#include <sysprof-clock.h>
#include <stdint.h>
#include <errno.h>
typedef struct _CoglTraceContext
{
SysprofCaptureWriter *writer;
} CoglTraceContext;
typedef struct _CoglTraceThreadContext
{
int cpu_id;
GPid pid;
char *group;
} CoglTraceThreadContext;
typedef struct _CoglTraceHead
{
SysprofTimeStamp begin_time;
const char *name;
} CoglTraceHead;
extern GPrivate cogl_trace_thread_data;
extern CoglTraceContext *cogl_trace_context;
extern GMutex cogl_trace_mutex;
void cogl_set_tracing_enabled_on_thread_with_fd (GMainContext *main_context,
const char *group,
int fd);
void cogl_set_tracing_enabled_on_thread (GMainContext *main_context,
const char *group,
const char *filename);
void cogl_set_tracing_disabled_on_thread (GMainContext *main_context);
static inline void
cogl_trace_begin (CoglTraceHead *head,
const char *name)
{
head->begin_time = g_get_monotonic_time () * 1000;
head->name = name;
}
static inline void
cogl_trace_end (CoglTraceHead *head)
{
SysprofTimeStamp end_time;
CoglTraceContext *trace_context;
CoglTraceThreadContext *trace_thread_context;
end_time = g_get_monotonic_time () * 1000;
trace_context = cogl_trace_context;
trace_thread_context = g_private_get (&cogl_trace_thread_data);
g_mutex_lock (&cogl_trace_mutex);
if (!sysprof_capture_writer_add_mark (trace_context->writer,
head->begin_time,
trace_thread_context->cpu_id,
trace_thread_context->pid,
(uint64_t) end_time - head->begin_time,
trace_thread_context->group,
head->name,
NULL))
{
/* XXX: g_main_context_get_thread_default() might be wrong, it probably
* needs to store the GMainContext in CoglTraceThreadContext when creating
* and use it here.
*/
if (errno == EPIPE)
cogl_set_tracing_disabled_on_thread (g_main_context_get_thread_default ());
}
g_mutex_unlock (&cogl_trace_mutex);
}
static inline void
cogl_auto_trace_end_helper (CoglTraceHead **head)
{
if (*head)
cogl_trace_end (*head);
}
#define COGL_TRACE_BEGIN(Name, description) \
CoglTraceHead CoglTrace##Name = { 0 }; \
if (g_private_get (&cogl_trace_thread_data)) \
cogl_trace_begin (&CoglTrace##Name, description); \
#define COGL_TRACE_END(Name)\
if (g_private_get (&cogl_trace_thread_data)) \
cogl_trace_end (&CoglTrace##Name);
#define COGL_TRACE_BEGIN_SCOPED(Name, description) \
CoglTraceHead CoglTrace##Name = { 0 }; \
__attribute__((cleanup (cogl_auto_trace_end_helper))) \
CoglTraceHead *ScopedCoglTrace##Name = NULL; \
if (g_private_get (&cogl_trace_thread_data)) \
{ \
cogl_trace_begin (&CoglTrace##Name, description); \
ScopedCoglTrace##Name = &CoglTrace##Name; \
}
#else /* HAVE_TRACING */
#include <stdio.h>
#define COGL_TRACE_BEGIN(Name, description) (void) 0
#define COGL_TRACE_END(Name) (void) 0
#define COGL_TRACE_BEGIN_SCOPED(Name, description) (void) 0
void cogl_set_tracing_enabled_on_thread_with_fd (void *data,
const char *group,
int fd);
void cogl_set_tracing_enabled_on_thread (void *data,
const char *group,
const char *filename);
void cogl_set_tracing_disabled_on_thread (void *data);
#endif /* HAVE_TRACING */
#endif /* COGL_TRACE_H */