lttv/modules/gui/histogram/histoeventhooks.h

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2006 Parisa heidari (inspired from CFV by Mathieu Desnoyers)
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License Version 2 as
   6  * published by the Free Software Foundation;
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with this program; if not, write to the Free Software
  15  * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
  16  * MA 02111-1307, USA.
  17  */
  18
  19
  20 /* eventhooks.h defines the hooks that are given to processTrace as parameter.
  21  * These hooks call the drawing API to draw the information on the screen,
  22  * using information from Context, but mostly state (running, waiting...).
  23  */
  24
  25
  26 #ifndef _EVENT_HOOKS_H
  27 #define _EVENT_HOOKS_H
  28
  29 #include <gtk/gtk.h>
  30 #include <lttvwindow/mainwindow.h>
  31 #include <ltt/time.h>
  32
  33 #include "histobuttonwidget.h"
  34 #include "histodrawing.h"
  35 #include "histocfv.h"
  36
  37
  38 /* Structure used to store and use information relative to one events refresh
  39  * request. Typically filled in by the expose event callback, then passed to the
  40  * library call, then used by the drawing hooks. Then, once all the events are
  41  * sent, it is freed by the hook called after the reading.
  42  */
  43 //typedef struct _EventRequest
  44 //{
  45 //  ControlFlowData *control_flow_data;
  46 //  LttTime time_begin, time_end;
  47 //  gint  x_begin, x_end;
  48   /* Fill the Events_Context during the initial expose, before calling for
  49    * events.
  50    */
  51   //GArray Events_Context; //FIXME
  52 //} EventRequest ;
  53
  54
  55
  56
  57
  58 void send_test_data(ButtonWidget *buttonwidget, histoDrawing_t *drawing);//??
  59
  60 GtkWidget *h_guihistocontrolflow(LttvPlugin *plugin);
  61
  62 //GtkWidget *h_legend(Tab *tab);
  63
  64 int histo_event_selected_hook(void *hook_data, void *call_data);
  65
  66 /*
  67  * The draw event hook is called by the reading API to have a
  68  * particular event drawn on the screen.
  69  * @param hook_data ControlFlowData structure of the viewer.
  70  * @param call_data Event context with state.
  71  *
  72  * This function basically draw lines and icons. Two types of lines are drawn :
  73  * one small (3 pixels?) representing the state of the process and the second
  74  * type is thicker (10 pixels?) representing on which CPU a process is running
  75  * (and this only in running state).
  76  *
  77  * Extremums of the lines :
  78  * x_min : time of the last event context for this process kept in memory.
  79  * x_max : time of the current event.
  80  * y : middle of the process in the process list. The process is found in the
  81  * list, therefore is it's position in pixels.
  82  *
  83  * The choice of lines'color is defined by the context of the last event for this
  84  * process.
  85  */
  86 //int histo_before_schedchange_hook(void *hook_data, void *call_data);
  87 int histo_after_schedchange_hook(void *hook_data, void *call_data);
  88 int histo_before_execmode_hook(void *hook_data, void *call_data);
  89 int histo_after_execmode_hook(void *hook_data, void *call_data);
  90
  91
  92 int histo_before_process_exit_hook(void *hook_data, void *call_data);
  93 int histo_before_process_release_hook(void *hook_data, void *call_data);
  94 int histo_after_process_exit_hook(void *hook_data, void *call_data);
  95 int histo_after_process_fork_hook(void *hook_data, void *call_data);
  96 int histo_after_fs_exec_hook(void *hook_data, void *call_data);
  97
  98
  99 #if 0
 100 int before_process_hook(void *hook_data, void *call_data);
 101 int after_process_hook(void *hook_data, void *call_data);
 102 #endif //0
 103
 104 //void histo_draw_closure(guint key, gpointer value, gpointer user_data);
 105
 106 int  histo_before_chunk(void *hook_data, void *call_data);
 107 int  histo_after_chunk(void *hook_data, void *call_data);
 108 //int  histo_before_request(void *hook_data, void *call_data);
 109 //int  histo_after_request(void *hook_data, void *call_data);
 110
 111
 112
 113 gint histo_update_time_window_hook(void *hook_data, void *call_data);
 114 gint histo_update_current_time_hook(void *hook_data, void *call_data);
 115 gint histo_traceset_notify(void *hook_data, void *call_data);
 116 gint histo_redraw_notify(void *hook_data, void *call_data);
 117 gint histo_continue_notify(void *hook_data, void *call_data);
 118
 119 //just for histogram
 120 void histo_request_event( HistoControlFlowData *histocontrol_flow_data,guint x, guint width);
 121 int histo_count_event(void *hook_data, void *call_data);
 122 int histo_before_trace(void *hook_data, void *call_data);//replaced for histo_before_request
 123 int histo_after_trace(void *hook_data, void *call_data);//replaced for histo_after_request
 124
 125 gboolean histo_filter_changed(void * hook_data, void * call_data);
 126
 127 void histogram_show(HistoControlFlowData *histocontrol_flow_data,guint draw_begin,guint draw_end);
 128 #endif // _EVENT_HOOKS_H