ltt/branches/poly/lttv/modules/text/batchAnalysis.c

   1 /* This file is part of the Linux Trace Toolkit viewer
   2  * Copyright (C) 2003-2004 Michel Dagenais
   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 /* This module inserts a hook in the program main loop. This hook processes
  20    all the events in the main tracefile. */
  21
  22
  23 #include <lttv/lttv.h>
  24 #include <lttv/attribute.h>
  25 #include <lttv/hook.h>
  26 #include <lttv/option.h>
  27 #include <lttv/module.h>
  28 #include <lttv/tracecontext.h>
  29 #include <lttv/state.h>
  30 #include <lttv/stats.h>
  31 #include <lttv/filter.h>
  32 #include <ltt/trace.h>
  33
  34 static LttvTraceset *traceset;
  35
  36 static LttvHooks
  37   *before_traceset,
  38   *after_traceset,
  39   *before_trace,
  40   *after_trace,
  41   *before_tracefile,
  42   *after_tracefile,
  43   *event_hook,
  44   *main_hooks;
  45
  46 static char *a_trace;
  47
  48 static gboolean a_stats;
  49
  50 static LttvFilter *a_lttv_filter;
  51
  52 extern GString *a_filter_string;
  53
  54 void lttv_trace_option(void *hook_data)
  55 {
  56   LttTrace *trace;
  57
  58   trace = ltt_trace_open(a_trace);
  59   if(trace == NULL) g_critical("cannot open trace %s", a_trace);
  60   lttv_traceset_add(traceset, lttv_trace_new(trace));
  61 }
  62
  63
  64 static gboolean process_traceset(void *hook_data, void *call_data)
  65 {
  66   LttvTracesetStats *tscs;
  67
  68   LttvTracesetContext *tc;
  69
  70   LttTime start, end;
  71
  72   g_info("BatchAnalysis begin process traceset");
  73
  74   tscs = g_object_new(LTTV_TRACESET_STATS_TYPE, NULL);
  75   tc = &tscs->parent.parent;
  76
  77   g_info("BatchAnalysis initialize context");
  78
  79   lttv_context_init(tc, traceset);
  80   lttv_state_add_event_hooks(&tscs->parent);
  81   if(a_stats) lttv_stats_add_event_hooks(tscs);
  82
  83   a_lttv_filter = lttv_filter_new(a_filter_string,(LttvTraceState*)tscs);
  84
  85   //lttv_traceset_context_add_hooks(tc,
  86   //before_traceset, after_traceset, NULL, before_trace, after_trace,
  87   //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
  88   lttv_process_traceset_begin(tc,
  89                               before_traceset,
  90                               before_trace,
  91                               before_tracefile,
  92                               event_hook,
  93                               NULL);
  94
  95   start.tv_sec = 0;
  96   start.tv_nsec = 0;
  97   end.tv_sec = G_MAXULONG;
  98   end.tv_nsec = G_MAXULONG;
  99
 100   g_info("BatchAnalysis process traceset");
 101
 102   lttv_process_traceset_seek_time(tc, start);
 103   lttv_process_traceset_middle(tc,
 104                                end,
 105                                G_MAXULONG,
 106                                NULL);
 107
 108   g_info("BatchAnalysis destroy context");
 109
 110   //lttv_traceset_context_remove_hooks(tc,
 111   //before_traceset, after_traceset, NULL, before_trace, after_trace,
 112   //NULL, before_tracefile, after_tracefile, NULL, before_event, after_event);
 113   lttv_process_traceset_end(tc,
 114                             after_traceset,
 115                             after_trace,
 116                             after_tracefile,
 117                             event_hook,
 118                             NULL);
 119
 120   lttv_filter_destroy(a_lttv_filter);
 121   lttv_state_remove_event_hooks(&tscs->parent);
 122   if(a_stats) lttv_stats_remove_event_hooks(tscs);
 123   lttv_context_fini(tc);
 124   g_object_unref(tscs);
 125
 126   g_info("BatchAnalysis end process traceset");
 127   return FALSE;
 128 }
 129
 130
 131 static void init()
 132 {
 133   LttvAttributeValue value;
 134
 135   LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
 136
 137   g_info("Init batchAnalysis.c");
 138
 139   lttv_option_add("trace", 't',
 140       "add a trace to the trace set to analyse",
 141       "pathname of the directory containing the trace",
 142       LTTV_OPT_STRING, &a_trace, lttv_trace_option, NULL);
 143
 144   a_stats = FALSE;
 145   lttv_option_add("stats", 's',
 146       "write the traceset and trace statistics",
 147       "",
 148       LTTV_OPT_NONE, &a_stats, NULL, NULL);
 149
 150
 151   traceset = lttv_traceset_new();
 152
 153   before_traceset = lttv_hooks_new();
 154   after_traceset = lttv_hooks_new();
 155   before_trace = lttv_hooks_new();
 156   after_trace = lttv_hooks_new();
 157   before_tracefile = lttv_hooks_new();
 158   after_tracefile = lttv_hooks_new();
 159   //before_event = lttv_hooks_new();
 160   //after_event = lttv_hooks_new();
 161   event_hook = lttv_hooks_new();
 162
 163   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
 164       LTTV_POINTER, &value));
 165   *(value.v_pointer) = before_traceset;
 166   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
 167       LTTV_POINTER, &value));
 168   *(value.v_pointer) = after_traceset;
 169   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
 170       LTTV_POINTER, &value));
 171   *(value.v_pointer) = before_trace;
 172   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/after",
 173       LTTV_POINTER, &value));
 174   *(value.v_pointer) = after_trace;
 175   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/before",
 176       LTTV_POINTER, &value));
 177   *(value.v_pointer) = before_tracefile;
 178   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/tracefile/after",
 179       LTTV_POINTER, &value));
 180   *(value.v_pointer) = after_tracefile;
 181   //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/before",
 182   //    LTTV_POINTER, &value));
 183   //*(value.v_pointer) = before_event;
 184   //g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event/after",
 185   //    LTTV_POINTER, &value));
 186   //*(value.v_pointer) = after_event;
 187   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event",
 188       LTTV_POINTER, &value));
 189   *(value.v_pointer) = event_hook;
 190
 191   g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
 192       LTTV_POINTER, &value));
 193   g_assert((main_hooks = *(value.v_pointer)) != NULL);
 194   lttv_hooks_add(main_hooks, process_traceset, NULL, LTTV_PRIO_DEFAULT);
 195 }
 196
 197
 198 static void destroy()
 199 {
 200   guint i, nb;
 201
 202   LttvTrace *trace;
 203
 204   g_info("Destroy batchAnalysis.c");
 205
 206   lttv_option_remove("trace");
 207   lttv_option_remove("stats");
 208
 209   lttv_hooks_destroy(before_traceset);
 210   lttv_hooks_destroy(after_traceset);
 211   lttv_hooks_destroy(before_trace);
 212   lttv_hooks_destroy(after_trace);
 213   lttv_hooks_destroy(before_tracefile);
 214   lttv_hooks_destroy(after_tracefile);
 215   //lttv_hooks_destroy(before_event);
 216   //lttv_hooks_destroy(after_event);
 217   lttv_hooks_destroy(event_hook);
 218   lttv_hooks_remove_data(main_hooks, process_traceset, NULL);
 219
 220   nb = lttv_traceset_number(traceset);
 221   for(i = 0 ; i < nb ; i++) {
 222     trace = lttv_traceset_get(traceset, i);
 223     ltt_trace_close(lttv_trace(trace));
 224     /* This will be done by lttv_traceset_destroy */
 225     //lttv_trace_destroy(trace);
 226   }
 227
 228   lttv_traceset_destroy(traceset);
 229 }
 230
 231
 232 LTTV_MODULE("batchAnalysis", "Batch processing of a trace", \
 233     "Run through a trace calling all the registered hooks", \
 234     init, destroy, "state", "stats", "option","filter")