forked from AuroraMiddleware/gtk
231 lines
5.1 KiB
C
231 lines
5.1 KiB
C
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/* GDK - The GIMP Drawing Kit
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*
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* gdkprofiler.c: A simple profiler
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*
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* Copyright © 2018 Matthias Clasen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <sys/types.h>
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include "gdkversionmacros.h"
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#include "gdkprofilerprivate.h"
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#include "gdkframeclockprivate.h"
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#ifdef HAVE_SYSPROF_CAPTURE
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#include <sysprof-capture.h>
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static SysprofCaptureWriter *writer = NULL;
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static gboolean running = FALSE;
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static void
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profiler_stop (void)
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{
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if (writer)
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sysprof_capture_writer_unref (writer);
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}
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void
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gdk_profiler_start (int fd)
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{
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if (writer)
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return;
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sysprof_clock_init ();
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if (fd == -1)
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{
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gchar *filename;
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filename = g_strdup_printf ("gtk.%d.syscap", getpid ());
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g_print ("Writing profiling data to %s\n", filename);
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writer = sysprof_capture_writer_new (filename, 16*1024);
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g_free (filename);
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}
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else if (fd > 2)
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writer = sysprof_capture_writer_new_from_fd (fd, 16*1024);
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if (writer)
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running = TRUE;
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atexit (profiler_stop);
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}
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void
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gdk_profiler_stop (void)
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{
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running = FALSE;
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}
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gboolean
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gdk_profiler_is_running (void)
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{
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return running;
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}
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void
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gdk_profiler_add_mark (gint64 start,
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guint64 duration,
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const char *name,
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const char *message)
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{
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if (!running)
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return;
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sysprof_capture_writer_add_mark (writer,
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start,
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-1, getpid (),
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duration,
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"gtk", name, message);
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}
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static guint
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define_counter (const char *name,
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const char *description,
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int type)
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{
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SysprofCaptureCounter counter;
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if (!writer)
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return 0;
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counter.id = (guint) sysprof_capture_writer_request_counter (writer, 1);
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counter.type = type;
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counter.value.vdbl = 0;
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g_strlcpy (counter.category, "gtk", sizeof counter.category);
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g_strlcpy (counter.name, name, sizeof counter.name);
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g_strlcpy (counter.description, description, sizeof counter.name);
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sysprof_capture_writer_define_counters (writer,
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SYSPROF_CAPTURE_CURRENT_TIME,
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-1,
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getpid (),
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&counter,
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1);
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return counter.id;
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}
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guint
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gdk_profiler_define_counter (const char *name,
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const char *description)
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{
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return define_counter (name, description, SYSPROF_CAPTURE_COUNTER_DOUBLE);
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}
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guint
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gdk_profiler_define_int_counter (const char *name,
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const char *description)
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{
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return define_counter (name, description, SYSPROF_CAPTURE_COUNTER_INT64);
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}
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void
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gdk_profiler_set_counter (guint id,
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gint64 time,
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double val)
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{
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SysprofCaptureCounterValue value;
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if (!running)
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return;
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value.vdbl = val;
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sysprof_capture_writer_set_counters (writer,
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time,
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-1, getpid (),
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&id, &value, 1);
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}
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void
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gdk_profiler_set_int_counter (guint id,
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gint64 time,
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gint64 val)
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{
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SysprofCaptureCounterValue value;
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if (!running)
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return;
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value.v64 = val;
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sysprof_capture_writer_set_counters (writer,
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time,
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-1, getpid (),
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&id, &value, 1);
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}
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#else
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void
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gdk_profiler_start (int fd)
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{
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}
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void
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gdk_profiler_stop (void)
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{
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}
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gboolean
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gdk_profiler_is_running (void)
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{
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return FALSE;
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}
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void
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gdk_profiler_add_mark (gint64 start,
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guint64 duration,
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const char *name,
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const char *message)
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{
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}
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guint
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gdk_profiler_define_counter (const char *name,
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const char *description)
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{
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return 0;
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}
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void
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gdk_profiler_set_counter (guint id,
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gint64 time,
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double value)
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{
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}
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guint
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gdk_profiler_define_int_counter (const char *name,
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const char *description)
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{
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return 0;
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}
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void
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gdk_profiler_set_int_counter (guint id,
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gint64 time,
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gint64 value)
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{
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}
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#endif /* G_OS_WIN32 */
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