--- /dev/null
+/* This file is part of the Linux Trace Toolkit viewer
+ * Copyright (C) 2003-2004 Michel Dagenais
+ * 2005 Mathieu Desnoyers
+ *
+ * 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.
+ */
+
+/* The text dump facility needs to print headers before the trace set and
+ before each trace, to print each event, and to print statistics
+ after each trace. */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <lttv/lttv.h>
+#include <lttv/option.h>
+#include <lttv/module.h>
+#include <lttv/hook.h>
+#include <lttv/attribute.h>
+#include <lttv/iattribute.h>
+#include <lttv/stats.h>
+#include <lttv/filter.h>
+#include <lttv/print.h>
+#include <ltt/ltt.h>
+#include <ltt/event.h>
+#include <ltt/type.h>
+#include <ltt/trace.h>
+#include <ltt/facility.h>
+#include <stdio.h>
+
+static gboolean
+ a_field_names,
+ a_state,
+ a_cpu_stats,
+ a_process_stats;
+
+static char
+ *a_file_name = NULL;
+
+static LttvHooks
+ *before_traceset,
+ *after_traceset,
+ *before_trace,
+ *event_hook;
+
+
+/* Insert the hooks before and after each trace and tracefile, and for each
+ event. Print a global header. */
+
+static FILE *a_file;
+
+static GString *a_string;
+
+static gboolean write_traceset_header(void *hook_data, void *call_data)
+{
+ LttvTracesetContext *tc = (LttvTracesetContext *)call_data;
+
+ g_info("TextDump traceset header");
+
+ if(a_file_name == NULL) a_file = stdout;
+ else a_file = fopen(a_file_name, "w");
+
+ if(a_file == NULL) g_error("cannot open file %s", a_file_name);
+
+ /* Print the trace set header */
+ fprintf(a_file,"Trace set contains %d traces\n\n",
+ lttv_traceset_number(tc->ts));
+
+ return FALSE;
+}
+
+
+static gboolean write_traceset_footer(void *hook_data, void *call_data)
+{
+ LttvTracesetContext *tc = (LttvTracesetContext *)call_data;
+
+ g_info("TextDump traceset footer");
+
+ fprintf(a_file,"End trace set\n\n");
+
+ if(LTTV_IS_TRACESET_STATS(tc)) {
+ lttv_stats_sum_traceset((LttvTracesetStats *)tc);
+ print_stats(a_file, (LttvTracesetStats *)tc);
+ }
+
+ if(a_file_name != NULL) fclose(a_file);
+
+ return FALSE;
+}
+
+
+static gboolean write_trace_header(void *hook_data, void *call_data)
+{
+ LttvTraceContext *tc = (LttvTraceContext *)call_data;
+#if 0 //FIXME
+ LttSystemDescription *system = ltt_trace_system_description(tc->t);
+
+ fprintf(a_file," Trace from %s in %s\n%s\n\n",
+ ltt_trace_system_description_node_name(system),
+ ltt_trace_system_description_domain_name(system),
+ ltt_trace_system_description_description(system));
+#endif //0
+ return FALSE;
+}
+
+
+static int for_each_event(void *hook_data, void *call_data)
+{
+ guint *event_count = (guint*)hook_data;
+
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+
+ LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
+
+ LttvTracefileState *tfs = (LttvTracefileState *)call_data;
+
+ LttEvent *e;
+
+ LttvAttributeValue value_filter;
+
+ /* Only save at LTTV_STATE_SAVE_INTERVAL */
+ if(likely((*event_count)++ < LTTV_STATE_SAVE_INTERVAL))
+ return FALSE;
+ else
+ *event_count = 0;
+
+ guint cpu = tfs->cpu;
+ LttvTraceState *ts = (LttvTraceState*)tfc->t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ e = ltt_tracefile_get_event(tfc->tf);
+
+ lttv_state_write(ts, tfs->parent.timestamp, a_file);
+
+ return FALSE;
+}
+
+
+static void init()
+{
+ LttvAttributeValue value;
+
+ LttvIAttribute *attributes = LTTV_IATTRIBUTE(lttv_global_attributes());
+
+ g_info("Init textDump.c");
+
+ a_string = g_string_new("");
+
+ a_file_name = NULL;
+ lttv_option_add("output", 'o',
+ "output file where the saved states are to be written",
+ "file name",
+ LTTV_OPT_STRING, &a_file_name, NULL, NULL);
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/event",
+ LTTV_POINTER, &value));
+ g_assert((event_hook = *(value.v_pointer)) != NULL);
+ lttv_hooks_add(event_hook, write_event_content, NULL, LTTV_PRIO_DEFAULT);
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/trace/before",
+ LTTV_POINTER, &value));
+ g_assert((before_trace = *(value.v_pointer)) != NULL);
+ lttv_hooks_add(before_trace, write_trace_header, NULL, LTTV_PRIO_DEFAULT);
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/before",
+ LTTV_POINTER, &value));
+ g_assert((before_traceset = *(value.v_pointer)) != NULL);
+ lttv_hooks_add(before_traceset, write_traceset_header, NULL,
+ LTTV_PRIO_DEFAULT);
+
+ g_assert(lttv_iattribute_find_by_path(attributes, "hooks/traceset/after",
+ LTTV_POINTER, &value));
+ g_assert((after_traceset = *(value.v_pointer)) != NULL);
+ lttv_hooks_add(after_traceset, write_traceset_footer, NULL,
+ LTTV_PRIO_DEFAULT);
+}
+
+static void destroy()
+{
+ g_info("Destroy textDump");
+
+ lttv_option_remove("output");
+
+ g_string_free(a_string, TRUE);
+
+ lttv_hooks_remove_data(event_hook, for_each_event, NULL);
+
+ lttv_hooks_remove_data(before_trace, write_trace_header, NULL);
+
+ lttv_hooks_remove_data(before_trace, write_traceset_header, NULL);
+
+ lttv_hooks_remove_data(before_trace, write_traceset_footer, NULL);
+}
+
+
+LTTV_MODULE("textDump", "Print events in a file", \
+ "Produce a detailed text printout of a trace", \
+ init, destroy, "stats", "batchAnalysis", "option", "print")
+
projects / lttv.git / commitdiff
