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/* Chrysalide - Outil d'analyse de fichiers binaires
* speed.c - mesure de temps d'exécution internes
*
* Copyright (C) 2015-2019 Cyrille Bagard
*
* This file is part of Chrysalide.
*
* Chrysalide 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 3 of the License, or
* (at your option) any later version.
*
* Chrysalide 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
*/
#include "speed.h"
#include <assert.h>
#include <malloc.h>
#include <string.h>
#include <sys/time.h>
#include <i18n.h>
#include <common/extstr.h>
#include <plugins/self.h>
DEFINE_CHRYSALIDE_PLUGIN("SpeedMeasure", "Tracker of time spent for disassembling code",
PACKAGE_VERSION, CHRYSALIDE_WEBSITE(""),
NO_REQ, AL(PGA_FORMAT_ANALYSIS_STARTED,PGA_FORMAT_ANALYSIS_ENDED,
PGA_FORMAT_POST_ANALYSIS_STARTED, PGA_FORMAT_POST_ANALYSIS_ENDED,
PGA_DISASSEMBLY_STARTED, PGA_DISASSEMBLY_ENDED));
/* Mémorisation des résultats de chronométrages */
typedef struct _speed_measure
{
unsigned long usages[2]; /* Taux d'utilisation du CPU */
} speed_measure;
/* Affiche une mesure de temps écoulé. */
static void show_elapsed_time(const char *, const speed_measure *);
/******************************************************************************
* *
* Paramètres : title = désignation humaine de la mesure menée. *
* measure = mesure de temps écoulé. *
* *
* Description : Affiche une mesure de temps écoulé. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
static void show_elapsed_time(const char *title, const speed_measure *measure)
{
char *tmp; /* Construction temporaire */
double seconds; /* Secondes écoulées */
unsigned long minutes; /* Minutes écoulées */
unsigned long hours; /* Heures écoulées */
char *msg; /* Message à faire passer */
tmp = NULL;
seconds = (double)(measure->usages[1] - measure->usages[0]) / 1000000;
if (seconds > 60)
{
minutes = seconds / 60;
seconds -= minutes * 60;
}
else
minutes = 0;
if (minutes > 60)
{
hours = minutes / 60;
minutes %= 60;
}
else
hours = 0;
msg = strdup(title);
if (hours > 0)
{
asprintf(&tmp, " %lu", hours);
msg = stradd(msg, tmp);
free(tmp);
msg = stradd(msg, _("h"));
}
if (minutes > 0)
{
asprintf(&tmp, " %lu", minutes);
msg = stradd(msg, tmp);
free(tmp);
msg = stradd(msg, _("m"));
}
if (seconds > 0.01)
{
asprintf(&tmp, " %.2f", seconds);
msg = stradd(msg, tmp);
free(tmp);
msg = stradd(msg, _("s"));
}
if (tmp != NULL)
log_plugin_simple_message(LMT_INFO, msg);
free(msg);
}
/******************************************************************************
* *
* Paramètres : plugin = greffon à manipuler. *
* action = type d'action attendue. *
* format = format de binaire à manipuler pendant l'opération. *
* gid = groupe de travail dédié. *
* status = barre de statut à tenir informée. *
* *
* Description : Procède à une opération liée à l'analyse d'un format. *
* *
* Retour : Bilan de l'exécution du traitement. *
* *
* Remarques : - *
* *
******************************************************************************/
G_MODULE_EXPORT bool chrysalide_plugin_handle_binary_format_analysis(const GPluginModule *plugin, PluginAction action, GBinFormat *format, wgroup_id_t gid, GtkStatusStack *status)
{
speed_measure *measure; /* Suivi des progressions */
struct timeval point; /* Point de mesure courant */
switch (action)
{
case PGA_FORMAT_ANALYSIS_STARTED:
case PGA_FORMAT_POST_ANALYSIS_STARTED:
measure = (speed_measure *)calloc(1, sizeof(speed_measure));
g_object_set_data(G_OBJECT(format), "speed_measure", measure);
gettimeofday(&point, NULL);
measure->usages[0] = point.tv_sec * 1000000 + point.tv_usec;
break;
case PGA_FORMAT_ANALYSIS_ENDED:
case PGA_FORMAT_POST_ANALYSIS_ENDED:
measure = (speed_measure *)g_object_get_data(G_OBJECT(format), "speed_measure");
gettimeofday(&point, NULL);
measure->usages[1] = point.tv_sec * 1000000 + point.tv_usec;
if (action == PGA_FORMAT_ANALYSIS_ENDED)
show_elapsed_time(_("Whole elapsed time for format analysis:"), measure);
else
show_elapsed_time(_("Whole elapsed time for format post-analysis:"), measure);
g_object_set_data(G_OBJECT(format), "speed_measure", NULL);
free(measure);
break;
default:
assert(false);
break;
}
return true;
}
/******************************************************************************
* *
* Paramètres : plugin = greffon à manipuler. *
* action = type d'action attendue. *
* binary = binaire dont le contenu est en cours de traitement.*
* status = barre de statut à tenir informée. *
* context = contexte de désassemblage. *
* *
* Description : Exécute une action pendant un désassemblage de binaire. *
* *
* Retour : - *
* *
* Remarques : - *
* *
******************************************************************************/
G_MODULE_EXPORT void chrysalide_plugin_process_disassembly_event(const GPluginModule *plugin, PluginAction action, GLoadedBinary *binary, GtkStatusStack *status, GProcContext *context)
{
speed_measure *measure; /* Suivi des progressions */
struct timeval point; /* Point de mesure courant */
switch (action)
{
case PGA_DISASSEMBLY_STARTED:
measure = (speed_measure *)calloc(1, sizeof(speed_measure));
g_object_set_data(G_OBJECT(binary), "speed_measure", measure);
gettimeofday(&point, NULL);
measure->usages[0] = point.tv_sec * 1000000 + point.tv_usec;
break;
case PGA_DISASSEMBLY_ENDED:
measure = (speed_measure *)g_object_get_data(G_OBJECT(binary), "speed_measure");
gettimeofday(&point, NULL);
measure->usages[1] = point.tv_sec * 1000000 + point.tv_usec;
show_elapsed_time(_("Whole elapsed time for disassembly:"), measure);
g_object_set_data(G_OBJECT(binary), "speed_measure", NULL);
free(measure);
break;
default:
assert(false);
break;
}
}
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