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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* 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, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2017 Blender Foundation.
* All rights reserved.
*
* Original Author: Sergey Sharybin
* Contributor(s): None Yet
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/depsgraph/intern/debug/deg_debug_stats_gnuplot.cc
* \ingroup depsgraph
*/
#include "DEG_depsgraph_debug.h"
#include <algorithm>
#include <cstdarg>
#include "BLI_compiler_attrs.h"
#include "BLI_math_base.h"
#include "intern/depsgraph.h"
#include "intern/nodes/deg_node_id.h"
#include "util/deg_util_foreach.h"
extern "C" {
#include "DNA_ID.h"
} /* extern "C" */
#define NL "\r\n"
namespace DEG {
namespace {
struct DebugContext {
FILE *file;
const Depsgraph *graph;
const char *label;
const char *output_filename;
};
struct StatsEntry {
const IDDepsNode *id_node;
double time;
};
/* TODO(sergey): De-duplicate with graphviz relation debugger. */
static void deg_debug_fprintf(const DebugContext &ctx,
const char *fmt,
...) ATTR_PRINTF_FORMAT(2, 3);
static void deg_debug_fprintf(const DebugContext &ctx, const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
vfprintf(ctx.file, fmt, args);
va_end(args);
}
BLI_INLINE double get_node_time(const DebugContext& /*ctx*/,
const DepsNode *node)
{
// TODO(sergey): Figure out a nice way to define which exact time
// we want to show.
return node->stats.current_time;
}
bool stat_entry_comparator(const StatsEntry& a, const StatsEntry& b)
{
return a.time < b.time;
}
void write_stats_data(const DebugContext& ctx)
{
// Fill in array of all stats which are to be displayed.
vector<StatsEntry> stats;
stats.reserve(ctx.graph->id_nodes.size());
foreach (const IDDepsNode *id_node, ctx.graph->id_nodes) {
const double time = get_node_time(ctx, id_node);
if (time == 0.0) {
continue;
}
StatsEntry entry;
entry.id_node = id_node;
entry.time = time;
stats.push_back(entry);
}
// Sort the data.
std::sort(stats.begin(), stats.end(), stat_entry_comparator);
// We limit number of entries, otherwise things become unreadable.
stats.resize(min_ii(stats.size(), 32));
// Print data to the file stream.
deg_debug_fprintf(ctx, "$data << EOD" NL);
foreach (const StatsEntry& entry, stats) {
deg_debug_fprintf(ctx, "\"%s\",%f" NL,
entry.id_node->id_orig->name + 2,
entry.time);
}
deg_debug_fprintf(ctx, "EOD" NL);
}
void deg_debug_stats_gnuplot(const DebugContext& ctx)
{
// Data itself.
write_stats_data(ctx);
// Optional label.
if (ctx.label && ctx.label[0]) {
deg_debug_fprintf(ctx, "set title \"%s\"" NL, ctx.label);
}
// Rest of the commands.
// TODO(sergey): Need to decide on the resolution somehow.
deg_debug_fprintf(ctx, "set terminal pngcairo size 1920,1080" NL);
deg_debug_fprintf(ctx, "set output \"%s\"" NL, ctx.output_filename);
deg_debug_fprintf(ctx, "set grid" NL);
deg_debug_fprintf(ctx, "set datafile separator ','" NL);
deg_debug_fprintf(ctx, "set style fill solid" NL);
deg_debug_fprintf(ctx, "plot \"$data\" using " \
"($2*0.5):0:($2*0.5):(0.2):yticlabels(1) "
"with boxxyerrorbars t '' lt rgb \"#406090\"" NL);
}
} // namespace
} // namespace DEG
void DEG_debug_stats_gnuplot(const Depsgraph *depsgraph,
FILE *f,
const char *label,
const char *output_filename)
{
if (depsgraph == NULL) {
return;
}
DEG::DebugContext ctx;
ctx.file = f;
ctx.graph = (DEG::Depsgraph *)depsgraph;
ctx.label = label;
ctx.output_filename = output_filename;
DEG::deg_debug_stats_gnuplot(ctx);
}
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