--- /dev/null
+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2003-2004 Michel Dagenais
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License Version 2 as
+ * published by the Free Software Foundation;
+ *
+ * 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., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <lttv/hook.h>
+#include <lttv/module.h>
+#include <lttv/lttv.h>
+#include <lttv/iattribute.h>
+#include <lttv/attribute.h>
+#include <lttv/option.h>
+#include <lttv/traceset.h>
+#include <ltt/trace.h>
+#include <stdio.h>
+#include <string.h>
+
+
+/* The main program maintains a few central data structures and relies
+ on modules for the rest. These data structures may be accessed by modules
+ through an exported API */
+
+static LttvIAttribute *attributes;
+
+static LttvHooks
+ *before_options,
+ *after_options,
+ *before_main,
+ *after_main;
+
+static char
+ *a_module,
+ *a_module_path;
+
+static gboolean
+ a_verbose,
+ a_debug,
+ a_fatal;
+
+gboolean lttv_profile_memory;
+
+int lttv_argc;
+
+char **lttv_argv;
+
+static void lttv_module_option(void *hook_data);
+
+static void lttv_module_path_option(void *hook_data);
+
+static void lttv_verbose(void *hook_data);
+
+static void lttv_debug(void *hook_data);
+
+static void lttv_event_debug(void *hook_data);
+
+static void lttv_fatal(void *hook_data);
+
+static void lttv_help(void *hook_data);
+
+/* This is the handler to specify when we dont need all the debugging
+ messages. It receives the message and does nothing. */
+
+void ignore_and_drop_message(const gchar *log_domain, GLogLevelFlags log_level,
+ const gchar *message, gpointer user_data)
+{
+}
+
+
+/* Since everything is done in modules, the main program only takes care
+ of the infrastructure. */
+
+int main(int argc, char **argv)
+{
+
+ int i;
+
+ char
+ *profile_memory_short_option = "-M",
+ *profile_memory_long_option = "--memory";
+
+ gboolean profile_memory = FALSE;
+
+ LttvAttributeValue value;
+
+ lttv_argc = argc;
+ lttv_argv = argv;
+
+ /* Before anything else, check if memory profiling is requested */
+
+ for(i = 1 ; i < argc ; i++) {
+ if(*(argv[i]) != '-') break;
+ if(strcmp(argv[i], profile_memory_short_option) == 0 ||
+ strcmp(argv[i], profile_memory_long_option) == 0) {
+ g_mem_set_vtable(glib_mem_profiler_table);
+ g_message("Memory summary before main");
+ g_mem_profile();
+ profile_memory = TRUE;
+ break;
+ }
+ }
+
+
+ /* Initialize glib and by default ignore info and debug messages */
+
+ g_type_init();
+ //g_type_init_with_debug_flags (G_TYPE_DEBUG_OBJECTS | G_TYPE_DEBUG_SIGNALS);
+ g_log_set_handler(NULL, G_LOG_LEVEL_INFO, ignore_and_drop_message, NULL);
+ g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, ignore_and_drop_message, NULL);
+
+
+ /* Have an attributes subtree to store hooks to be registered by modules. */
+
+ attributes = LTTV_IATTRIBUTE(g_object_new(LTTV_ATTRIBUTE_TYPE, NULL));
+
+ before_options = lttv_hooks_new();
+ after_options = lttv_hooks_new();
+ before_main = lttv_hooks_new();
+ after_main = lttv_hooks_new();
+
+
+ /* Create a number of hooks lists */
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/before",
+ LTTV_POINTER, &value));
+ *(value.v_pointer) = before_options;
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/options/after",
+ LTTV_POINTER, &value));
+ *(value.v_pointer) = after_options;
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/before",
+ LTTV_POINTER, &value));
+ *(value.v_pointer) = before_main;
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/main/after",
+ LTTV_POINTER, &value));
+ *(value.v_pointer) = after_main;
+
+
+ /* Initialize the command line options processing */
+
+ GError *error = NULL;
+
+ LttvModule *module_module = lttv_module_require("module", &error);
+ if(error != NULL) g_error("%s", error->message);
+ LttvModule *module_option = lttv_module_require("option", &error);
+ if(error != NULL) g_error("%s", error->message);
+
+ /* Initialize the module loading */
+
+ lttv_library_path_add(PACKAGE_PLUGIN_DIR);
+
+
+ /* Add some built-in options */
+
+ lttv_option_add("module",'m', "load a module", "name of module to load",
+ LTTV_OPT_STRING, &a_module, lttv_module_option, NULL);
+
+ lttv_option_add("modules-path", 'L',
+ "add a directory to the module search path",
+ "directory to add to the path", LTTV_OPT_STRING, &a_module_path,
+ lttv_module_path_option, NULL);
+
+ lttv_option_add("help",'h', "basic help", "none",
+ LTTV_OPT_NONE, NULL, lttv_help, NULL);
+
+ a_verbose = FALSE;
+ lttv_option_add("verbose",'v', "print information messages", "none",
+ LTTV_OPT_NONE, NULL, lttv_verbose, NULL);
+
+ a_debug = FALSE;
+ lttv_option_add("debug",'d', "print debugging messages", "none",
+ LTTV_OPT_NONE, NULL, lttv_debug, NULL);
+
+ /* use --edebug, -e conflicts with filter. Problem with option parsing when we
+ * reparse the options with different number of arguments. */
+ lttv_option_add("edebug",'e', "print event debugging", "none",
+ LTTV_OPT_NONE, NULL, lttv_event_debug, NULL);
+
+ a_fatal = FALSE;
+ lttv_option_add("fatal",'f', "make critical messages fatal",
+ "none",
+ LTTV_OPT_NONE, NULL, lttv_fatal, NULL);
+
+ lttv_profile_memory = FALSE;
+ lttv_option_add(profile_memory_long_option + 2,
+ profile_memory_short_option[1], "print memory information", "none",
+ LTTV_OPT_NONE, <tv_profile_memory, NULL, NULL);
+
+
+ /* Process the options */
+
+ lttv_hooks_call(before_options, NULL);
+ lttv_option_parse(argc, argv);
+ lttv_hooks_call(after_options, NULL);
+
+
+ /* Memory profiling to be useful must be activated as early as possible */
+
+ if(profile_memory != lttv_profile_memory)
+ g_error("Memory profiling options must appear before other options");
+
+
+ /* Do the main work */
+
+ lttv_hooks_call(before_main, NULL);
+ lttv_hooks_call(after_main, NULL);
+
+
+ /* Clean up everything */
+
+ lttv_module_release(module_option);
+ lttv_module_release(module_module);
+
+ lttv_hooks_destroy(before_options);
+ lttv_hooks_destroy(after_options);
+ lttv_hooks_destroy(before_main);
+ lttv_hooks_destroy(after_main);
+ g_object_unref(attributes);
+
+ if(profile_memory) {
+ g_message("Memory summary after main");
+ g_mem_profile();
+ }
+ return 0;
+}
+
+
+LttvAttribute *lttv_global_attributes()
+{
+ return (LttvAttribute*)attributes;
+}
+
+
+void lttv_module_option(void *hook_data)
+{
+ GError *error = NULL;
+
+ lttv_module_require(a_module, &error);
+ if(error != NULL) g_error("%s", error->message);
+}
+
+
+void lttv_module_path_option(void *hook_data)
+{
+ lttv_library_path_add(a_module_path);
+}
+
+
+void lttv_verbose(void *hook_data)
+{
+ g_log_set_handler(NULL, G_LOG_LEVEL_INFO, g_log_default_handler, NULL);
+ g_info("Logging set to include INFO level messages");
+}
+
+void lttv_debug(void *hook_data)
+{
+ g_log_set_handler(NULL, G_LOG_LEVEL_DEBUG, g_log_default_handler, NULL);
+ g_info("Logging set to include DEBUG level messages");
+}
+
+void lttv_event_debug(void *hook_data)
+{
+ ltt_event_debug(1);
+ g_info("Output event detailed debug");
+}
+
+void lttv_fatal(void *hook_data)
+{
+ g_log_set_always_fatal(G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL);
+ //g_log_set_always_fatal(G_LOG_LEVEL_CRITICAL);
+ g_info("Critical log from glib will abort execution");
+}
+
+void lttv_help(void *hook_data)
+{
+ printf("Linux Trace Toolkit Visualizer " VERSION "\n");
+ printf("\n");
+ lttv_option_show_help();
+ printf("\n");
+}
+
+/*
+
+- Define formally traceset/trace in the GUI for the user and decide how
+ trace/traceset sharing goes in the application.
+
+- Use appropriately the new functions in time.h
+
+- remove the separate tracefiles (control/per cpu) arrays/loops in context.
+
+- split processTrace into context.c and processTrace.c
+
+- check spelling conventions.
+
+- get all the copyright notices.
+
+- remove all the warnings.
+
+- get all the .h files properly doxygen commented to produce useful documents.
+
+- have an intro/architecture document.
+
+- write a tutorial */
projects / lttv.git / blobdiff