mirror of
https://github.com/brl/mutter.git
synced 2024-11-23 00:20:42 -05:00
5767d2f129
This makes it possible to start profiling immediately on startup, during context/backend/display setup, as well as flush during tear down. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2678>
343 lines
8.9 KiB
C
343 lines
8.9 KiB
C
/*
|
|
* Copyright 2018 Red Hat, Inc.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
*/
|
|
|
|
#include "cogl-config.h"
|
|
|
|
#include "cogl/cogl-trace.h"
|
|
|
|
#ifdef HAVE_TRACING
|
|
|
|
#include <sysprof-capture.h>
|
|
#include <sysprof-capture-writer.h>
|
|
#include <sysprof-clock.h>
|
|
#include <syscall.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#define COGL_TRACE_OUTPUT_FILE "cogl-trace-sp-capture.syscap"
|
|
#define BUFFER_LENGTH (4096 * 4)
|
|
|
|
struct _CoglTraceContext
|
|
{
|
|
SysprofCaptureWriter *writer;
|
|
};
|
|
|
|
typedef struct _CoglTraceThreadContext
|
|
{
|
|
int cpu_id;
|
|
GPid pid;
|
|
char *group;
|
|
} CoglTraceThreadContext;
|
|
|
|
typedef struct
|
|
{
|
|
int fd;
|
|
char *filename;
|
|
char *group;
|
|
} TraceData;
|
|
|
|
static void
|
|
trace_data_free (gpointer user_data)
|
|
{
|
|
TraceData *data = user_data;
|
|
|
|
data->fd = -1;
|
|
g_clear_pointer (&data->group, g_free);
|
|
g_clear_pointer (&data->filename, g_free);
|
|
g_free (data);
|
|
}
|
|
|
|
static void cogl_trace_thread_context_free (gpointer data);
|
|
|
|
GPrivate cogl_trace_thread_data = G_PRIVATE_INIT (cogl_trace_thread_context_free);
|
|
CoglTraceContext *cogl_trace_context;
|
|
GMutex cogl_trace_mutex;
|
|
|
|
static CoglTraceContext *
|
|
cogl_trace_context_new (int fd,
|
|
const char *filename)
|
|
{
|
|
CoglTraceContext *context;
|
|
SysprofCaptureWriter *writer;
|
|
|
|
if (fd != -1)
|
|
{
|
|
g_debug ("Initializing trace context with fd=%d", fd);
|
|
writer = sysprof_capture_writer_new_from_fd (fd, BUFFER_LENGTH);
|
|
}
|
|
else if (filename != NULL)
|
|
{
|
|
g_debug ("Initializing trace context with filename='%s'", filename);
|
|
writer = sysprof_capture_writer_new (filename, BUFFER_LENGTH);
|
|
}
|
|
else
|
|
{
|
|
g_debug ("Initializing trace context with default filename");
|
|
writer = sysprof_capture_writer_new (COGL_TRACE_OUTPUT_FILE, BUFFER_LENGTH);
|
|
}
|
|
|
|
context = g_new0 (CoglTraceContext, 1);
|
|
context->writer = writer;
|
|
return context;
|
|
}
|
|
|
|
static void
|
|
cogl_trace_context_free (CoglTraceContext *trace_context)
|
|
{
|
|
g_clear_pointer (&trace_context->writer, sysprof_capture_writer_unref);
|
|
g_free (trace_context);
|
|
}
|
|
|
|
static void
|
|
ensure_trace_context (TraceData *data)
|
|
{
|
|
g_mutex_lock (&cogl_trace_mutex);
|
|
if (!cogl_trace_context)
|
|
cogl_trace_context = cogl_trace_context_new (data->fd, data->filename);
|
|
g_mutex_unlock (&cogl_trace_mutex);
|
|
}
|
|
|
|
static CoglTraceThreadContext *
|
|
cogl_trace_thread_context_new (const char *group)
|
|
{
|
|
CoglTraceThreadContext *thread_context;
|
|
pid_t tid;
|
|
|
|
tid = (pid_t) syscall (SYS_gettid);
|
|
|
|
thread_context = g_new0 (CoglTraceThreadContext, 1);
|
|
thread_context->cpu_id = -1;
|
|
thread_context->pid = getpid ();
|
|
thread_context->group =
|
|
group ? g_strdup (group) : g_strdup_printf ("t:%d", tid);
|
|
|
|
return thread_context;
|
|
}
|
|
|
|
static gboolean
|
|
enable_tracing_idle_callback (gpointer user_data)
|
|
{
|
|
CoglTraceThreadContext *thread_context =
|
|
g_private_get (&cogl_trace_thread_data);
|
|
TraceData *data = user_data;
|
|
|
|
ensure_trace_context (data);
|
|
|
|
if (thread_context)
|
|
{
|
|
g_warning ("Tracing already enabled");
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
thread_context = cogl_trace_thread_context_new (data->group);
|
|
g_private_set (&cogl_trace_thread_data, thread_context);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
static void
|
|
cogl_trace_thread_context_free (gpointer data)
|
|
{
|
|
CoglTraceThreadContext *thread_context = data;
|
|
|
|
if (!thread_context)
|
|
return;
|
|
|
|
g_free (thread_context->group);
|
|
g_free (thread_context);
|
|
}
|
|
|
|
static gboolean
|
|
disable_tracing_idle_callback (gpointer user_data)
|
|
{
|
|
CoglTraceThreadContext *thread_context =
|
|
g_private_get (&cogl_trace_thread_data);
|
|
CoglTraceContext *trace_context;
|
|
|
|
if (!thread_context)
|
|
{
|
|
g_warning ("Tracing not enabled");
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
g_private_replace (&cogl_trace_thread_data, NULL);
|
|
|
|
g_mutex_lock (&cogl_trace_mutex);
|
|
trace_context = cogl_trace_context;
|
|
sysprof_capture_writer_flush (trace_context->writer);
|
|
|
|
g_clear_pointer (&cogl_trace_context, cogl_trace_context_free);
|
|
|
|
g_mutex_unlock (&cogl_trace_mutex);
|
|
|
|
return G_SOURCE_REMOVE;
|
|
}
|
|
|
|
static void
|
|
set_tracing_enabled_on_thread (GMainContext *main_context,
|
|
const char *group,
|
|
int fd,
|
|
const char *filename)
|
|
{
|
|
TraceData *data;
|
|
|
|
data = g_new0 (TraceData, 1);
|
|
data->fd = fd;
|
|
data->group = group ? strdup (group) : NULL;
|
|
data->filename = filename ? strdup (filename) : NULL;
|
|
|
|
if (main_context == g_main_context_get_thread_default ())
|
|
{
|
|
enable_tracing_idle_callback (data);
|
|
trace_data_free (data);
|
|
}
|
|
else
|
|
{
|
|
GSource *source;
|
|
source = g_idle_source_new ();
|
|
|
|
g_source_set_callback (source,
|
|
enable_tracing_idle_callback,
|
|
data,
|
|
trace_data_free);
|
|
|
|
g_source_attach (source, main_context);
|
|
g_source_unref (source);
|
|
}
|
|
}
|
|
|
|
void
|
|
cogl_set_tracing_enabled_on_thread_with_fd (GMainContext *main_context,
|
|
const char *group,
|
|
int fd)
|
|
{
|
|
set_tracing_enabled_on_thread (main_context, group, fd, NULL);
|
|
}
|
|
|
|
void
|
|
cogl_set_tracing_enabled_on_thread (GMainContext *main_context,
|
|
const char *group,
|
|
const char *filename)
|
|
{
|
|
set_tracing_enabled_on_thread (main_context, group, -1, filename);
|
|
}
|
|
|
|
void
|
|
cogl_set_tracing_disabled_on_thread (GMainContext *main_context)
|
|
{
|
|
if (g_main_context_get_thread_default () == main_context)
|
|
{
|
|
disable_tracing_idle_callback (NULL);
|
|
}
|
|
else
|
|
{
|
|
GSource *source;
|
|
|
|
source = g_idle_source_new ();
|
|
|
|
g_source_set_callback (source, disable_tracing_idle_callback, NULL, NULL);
|
|
|
|
g_source_attach (source, main_context);
|
|
g_source_unref (source);
|
|
}
|
|
}
|
|
|
|
static void
|
|
cogl_trace_end_with_description (CoglTraceHead *head,
|
|
const char *description)
|
|
{
|
|
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,
|
|
description))
|
|
{
|
|
/* 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);
|
|
}
|
|
|
|
void
|
|
cogl_trace_end (CoglTraceHead *head)
|
|
{
|
|
cogl_trace_end_with_description (head, head->description);
|
|
g_free (head->description);
|
|
}
|
|
|
|
void
|
|
cogl_trace_describe (CoglTraceHead *head,
|
|
const char *description)
|
|
{
|
|
head->description = g_strdup (description);
|
|
}
|
|
|
|
#else
|
|
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
void
|
|
cogl_set_tracing_enabled_on_thread_with_fd (void *data,
|
|
const char *group,
|
|
int fd)
|
|
{
|
|
fprintf (stderr, "Tracing not enabled");
|
|
}
|
|
|
|
void
|
|
cogl_set_tracing_enabled_on_thread (void *data,
|
|
const char *group,
|
|
const char *filename)
|
|
{
|
|
fprintf (stderr, "Tracing not enabled");
|
|
}
|
|
|
|
void
|
|
cogl_set_tracing_disabled_on_thread (void *data)
|
|
{
|
|
fprintf (stderr, "Tracing not enabled");
|
|
}
|
|
|
|
#endif /* HAVE_TRACING */
|