--- /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 <stdio.h>
+#include <inttypes.h>
+#include <lttv/module.h>
+#include <lttv/stats.h>
+#include <lttv/lttv.h>
+#include <lttv/attribute.h>
+#include <ltt/trace.h>
+#include <ltt/event.h>
+
+#define BUF_SIZE 256
+#define MAX_64_HEX_STRING_LEN 19
+
+GQuark
+ LTTV_STATS_PROCESS_UNKNOWN,
+ LTTV_STATS_PROCESSES,
+ LTTV_STATS_CPU,
+ LTTV_STATS_MODE_TYPES,
+ LTTV_STATS_MODES,
+ LTTV_STATS_SUBMODES,
+ LTTV_STATS_FUNCTIONS,
+ LTTV_STATS_EVENT_TYPES,
+ LTTV_STATS_CPU_TIME,
+ LTTV_STATS_CUMULATIVE_CPU_TIME,
+ LTTV_STATS_ELAPSED_TIME,
+ LTTV_STATS_EVENTS,
+ LTTV_STATS_EVENTS_COUNT,
+ LTTV_STATS_USE_COUNT,
+ LTTV_STATS,
+ LTTV_STATS_TRACEFILES,
+ LTTV_STATS_SUMMED,
+ LTTV_STATS_BEFORE_HOOKS,
+ LTTV_STATS_AFTER_HOOKS;
+
+static void
+find_event_tree(LttvTracefileStats *tfcs, GQuark pid_time, guint cpu,
+ guint64 function,
+ GQuark mode, GQuark sub_mode, LttvAttribute **events_tree,
+ LttvAttribute **event_types_tree);
+
+
+static void lttv_stats_init(LttvTracesetStats *self)
+{
+ guint i, j, nb_trace, nb_tracefile;
+
+ LttvTraceContext *tc;
+
+ LttvTraceStats *tcs;
+
+ LttvTracefileContext **tfs;
+ LttvTracefileStats *tfcs;
+
+ LttvAttributeValue v;
+
+ LttvAttribute *tracefiles_stats;
+
+ LttvTraceset *ts = self->parent.parent.ts;
+
+ self->stats = lttv_attribute_find_subdir(
+ lttv_traceset_attribute(self->parent.parent.ts),
+ LTTV_STATS);
+ lttv_attribute_find(lttv_traceset_attribute(self->parent.parent.ts),
+ LTTV_STATS_USE_COUNT,
+ LTTV_UINT, &v);
+
+ (*(v.v_uint))++;
+ if(*(v.v_uint) == 1) {
+ g_assert(lttv_attribute_get_number(self->stats) == 0);
+ }
+
+ nb_trace = lttv_traceset_number(ts);
+
+ for(i = 0 ; i < nb_trace ; i++) {
+ tc = self->parent.parent.traces[i];
+ tcs = LTTV_TRACE_STATS(tc);
+
+ tcs->stats = lttv_attribute_find_subdir(tcs->parent.parent.t_a,LTTV_STATS);
+ tracefiles_stats = lttv_attribute_find_subdir(tcs->parent.parent.t_a,
+ LTTV_STATS_TRACEFILES);
+ lttv_attribute_find(tcs->parent.parent.t_a, LTTV_STATS_USE_COUNT,
+ LTTV_UINT, &v);
+
+ (*(v.v_uint))++;
+ if(*(v.v_uint) == 1) {
+ g_assert(lttv_attribute_get_number(tcs->stats) == 0);
+ }
+
+ nb_tracefile = tc->tracefiles->len;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfs = &g_array_index(tc->tracefiles,
+ LttvTracefileContext*, j);
+ tfcs = LTTV_TRACEFILE_STATS(*tfs);
+ tfcs->stats = lttv_attribute_find_subdir(tracefiles_stats,
+ ltt_tracefile_long_name(tfcs->parent.parent.tf));
+ guint cpu = tfcs->parent.cpu;
+ find_event_tree(tfcs, LTTV_STATS_PROCESS_UNKNOWN,
+ cpu,
+ 0x0ULL,
+ LTTV_STATE_MODE_UNKNOWN,
+ LTTV_STATE_SUBMODE_UNKNOWN, &tfcs->current_events_tree,
+ &tfcs->current_event_types_tree);
+ }
+ }
+
+}
+
+static void lttv_stats_fini(LttvTracesetStats *self)
+{
+ guint i, j, nb_trace, nb_tracefile;
+
+ LttvTraceset *ts;
+
+ LttvTraceContext *tc;
+
+ LttvTraceStats *tcs;
+
+ LttvTracefileContext *tfc;
+
+ LttvTracefileStats *tfcs;
+
+ LttvAttributeValue v;
+
+ LttvAttribute *tracefiles_stats;
+
+ lttv_attribute_find(self->parent.parent.ts_a, LTTV_STATS_USE_COUNT,
+ LTTV_UINT, &v);
+ (*(v.v_uint))--;
+
+ if(*(v.v_uint) == 0) {
+ lttv_attribute_remove_by_name(self->parent.parent.ts_a, LTTV_STATS);
+ }
+ self->stats = NULL;
+
+ ts = self->parent.parent.ts;
+ nb_trace = lttv_traceset_number(ts);
+
+ for(i = 0 ; i < nb_trace ; i++) {
+ tcs = (LttvTraceStats *)(tc = (LTTV_TRACESET_CONTEXT(self)->traces[i]));
+
+ lttv_attribute_find(tcs->parent.parent.t_a, LTTV_STATS_USE_COUNT,
+ LTTV_UINT, &v);
+ (*(v.v_uint))--;
+
+ if(*(v.v_uint) == 0) {
+ lttv_attribute_remove_by_name(tcs->parent.parent.t_a,LTTV_STATS);
+ tracefiles_stats = lttv_attribute_find_subdir(tcs->parent.parent.t_a,
+ LTTV_STATS_TRACEFILES);
+ lttv_attribute_remove_by_name(tcs->parent.parent.t_a,
+ LTTV_STATS_TRACEFILES);
+ }
+ tcs->stats = NULL;
+
+ nb_tracefile = tc->tracefiles->len;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfc = g_array_index(tc->tracefiles,
+ LttvTracefileContext*, j);
+ tfcs = (LttvTracefileStats *)tfc;
+ tfcs->stats = NULL;
+ tfcs->current_events_tree = NULL;
+ tfcs->current_event_types_tree = NULL;
+ }
+ }
+}
+
+
+void lttv_stats_reset(LttvTracesetStats *self)
+{
+ lttv_stats_fini(self);
+ lttv_stats_init(self);
+}
+
+
+
+static void
+init(LttvTracesetStats *self, LttvTraceset *ts)
+{
+ LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
+ init((LttvTracesetContext *)self, ts);
+
+ lttv_stats_init(self);
+}
+
+
+static void
+fini(LttvTracesetStats *self)
+{
+ lttv_stats_fini(self);
+
+ LTTV_TRACESET_CONTEXT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
+ fini((LttvTracesetContext *)self);
+}
+
+
+static LttvTracesetContext *
+new_traceset_context(LttvTracesetContext *self)
+{
+ return LTTV_TRACESET_CONTEXT(g_object_new(LTTV_TRACESET_STATS_TYPE, NULL));
+}
+
+
+static LttvTraceContext *
+new_trace_context(LttvTracesetContext *self)
+{
+ return LTTV_TRACE_CONTEXT(g_object_new(LTTV_TRACE_STATS_TYPE, NULL));
+}
+
+
+static LttvTracefileContext *
+new_tracefile_context(LttvTracesetContext *self)
+{
+ return LTTV_TRACEFILE_CONTEXT(g_object_new(LTTV_TRACEFILE_STATS_TYPE, NULL));
+}
+
+
+static void
+traceset_stats_instance_init (GTypeInstance *instance, gpointer g_class)
+{
+}
+
+
+static void
+traceset_stats_finalize (LttvTracesetStats *self)
+{
+ G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACESET_STATE_TYPE))->
+ finalize(G_OBJECT(self));
+}
+
+
+static void
+traceset_stats_class_init (LttvTracesetContextClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+
+ gobject_class->finalize = (void (*)(GObject *self)) traceset_stats_finalize;
+ klass->init = (void (*)(LttvTracesetContext *self, LttvTraceset *ts))init;
+ klass->fini = (void (*)(LttvTracesetContext *self))fini;
+ klass->new_traceset_context = new_traceset_context;
+ klass->new_trace_context = new_trace_context;
+ klass->new_tracefile_context = new_tracefile_context;
+}
+
+
+GType
+lttv_traceset_stats_get_type(void)
+{
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTracesetStatsClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) traceset_stats_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTracesetStats),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) traceset_stats_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (LTTV_TRACESET_STATE_TYPE,
+ "LttvTracesetStatsType",
+ &info, 0);
+ }
+ return type;
+}
+
+
+static void
+trace_stats_instance_init (GTypeInstance *instance, gpointer g_class)
+{
+}
+
+
+static void
+trace_stats_finalize (LttvTraceStats *self)
+{
+ G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACE_STATE_TYPE))->
+ finalize(G_OBJECT(self));
+}
+
+
+static void
+trace_stats_class_init (LttvTraceContextClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+
+ gobject_class->finalize = (void (*)(GObject *self)) trace_stats_finalize;
+}
+
+
+GType
+lttv_trace_stats_get_type(void)
+{
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTraceStatsClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) trace_stats_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTraceStats),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) trace_stats_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (LTTV_TRACE_STATE_TYPE,
+ "LttvTraceStatsType", &info, 0);
+ }
+ return type;
+}
+
+
+static void
+tracefile_stats_instance_init (GTypeInstance *instance, gpointer g_class)
+{
+}
+
+
+static void
+tracefile_stats_finalize (LttvTracefileStats *self)
+{
+ G_OBJECT_CLASS(g_type_class_peek(LTTV_TRACEFILE_STATE_TYPE))->
+ finalize(G_OBJECT(self));
+}
+
+
+static void
+tracefile_stats_class_init (LttvTracefileStatsClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+
+ gobject_class->finalize = (void (*)(GObject *self)) tracefile_stats_finalize;
+}
+
+
+GType
+lttv_tracefile_stats_get_type(void)
+{
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTracefileStatsClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) tracefile_stats_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTracefileStats),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) tracefile_stats_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (LTTV_TRACEFILE_STATE_TYPE,
+ "LttvTracefileStatsType", &info, 0);
+ }
+ return type;
+}
+
+static void
+find_event_tree(LttvTracefileStats *tfcs,
+ GQuark pid_time,
+ guint cpu,
+ guint64 function,
+ GQuark mode,
+ GQuark sub_mode,
+ LttvAttribute **events_tree,
+ LttvAttribute **event_types_tree)
+{
+ LttvAttribute *a;
+ gchar fstring[MAX_64_HEX_STRING_LEN];
+ gint ret;
+
+ ret = snprintf(fstring, MAX_64_HEX_STRING_LEN-1,
+ "0x%" PRIX64, function) > 0;
+ g_assert(ret > 0);
+ fstring[MAX_64_HEX_STRING_LEN-1] = '\0';
+
+ LttvTraceStats *tcs = (LttvTraceStats*)tfcs->parent.parent.t_context;
+ a = lttv_attribute_find_subdir(tcs->stats, LTTV_STATS_PROCESSES);
+ a = lttv_attribute_find_subdir(a, pid_time);
+ a = lttv_attribute_find_subdir(a, LTTV_STATS_CPU);
+ a = lttv_attribute_find_subdir_unnamed(a, cpu);
+ a = lttv_attribute_find_subdir(a, LTTV_STATS_FUNCTIONS);
+ a = lttv_attribute_find_subdir(a, g_quark_from_string(fstring));
+ a = lttv_attribute_find_subdir(a, LTTV_STATS_MODE_TYPES);
+ a = lttv_attribute_find_subdir(a, mode);
+ a = lttv_attribute_find_subdir(a, LTTV_STATS_SUBMODES);
+ a = lttv_attribute_find_subdir(a, sub_mode);
+ *events_tree = a;
+ a = lttv_attribute_find_subdir(a, LTTV_STATS_EVENT_TYPES);
+ *event_types_tree = a;
+}
+
+static void update_event_tree(LttvTracefileStats *tfcs)
+{
+ guint cpu = tfcs->parent.cpu;
+ LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context;
+ LttvProcessState *process = ts->running_process[cpu];
+ LttvExecutionState *es = process->state;
+
+ find_event_tree(tfcs, process->pid_time,
+ cpu,
+ process->current_function,
+ es->t, es->n, &(tfcs->current_events_tree),
+ &(tfcs->current_event_types_tree));
+}
+
+
+/* Update the trace event tree for the specified cpu */
+static void update_trace_event_tree(LttvTraceStats *tcs)
+{
+ LttvTracefileStats *tfcs;
+ LttvTraceContext *tc = (LttvTraceContext*)tcs;
+ guint j, nb_tracefile;
+
+ /* For each tracefile, update the event tree */
+ nb_tracefile = tc->tracefiles->len;
+ for(j = 0; j < nb_tracefile; j++) {
+ tfcs = LTTV_TRACEFILE_STATS(g_array_index(tc->tracefiles,
+ LttvTracefileContext*, j));
+ update_event_tree(tfcs);
+ }
+}
+
+static void mode_change(LttvTracefileStats *tfcs)
+{
+ LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context;
+ guint cpu = tfcs->parent.cpu;
+ LttvProcessState *process = ts->running_process[cpu];
+ LttvAttributeValue cpu_time;
+
+ LttTime delta;
+
+ if(process->state->s == LTTV_STATE_RUN &&
+ process->state->t != LTTV_STATE_MODE_UNKNOWN)
+ delta = ltt_time_sub(tfcs->parent.parent.timestamp,
+ process->state->change);
+ else
+ delta = ltt_time_zero;
+
+ lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_CPU_TIME,
+ LTTV_TIME, &cpu_time);
+ *(cpu_time.v_time) = ltt_time_add(*(cpu_time.v_time), delta);
+
+ process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time,
+ delta);
+}
+
+/* Note : every mode_end must come with a cumulative cpu time update in the
+ * after hook. */
+static void mode_end(LttvTracefileStats *tfcs)
+{
+ LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context;
+ guint cpu = tfcs->parent.cpu;
+ LttvProcessState *process = ts->running_process[cpu];
+ LttvAttributeValue elapsed_time, cpu_time, cum_cpu_time;
+
+ LttTime delta;
+
+ /* FIXME put there in case of a missing update after a state modification */
+ //void *lasttree = tfcs->current_events_tree;
+ //update_event_tree(tfcs);
+ //g_assert (lasttree == tfcs->current_events_tree);
+ lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_ELAPSED_TIME,
+ LTTV_TIME, &elapsed_time);
+
+ if(process->state->t != LTTV_STATE_MODE_UNKNOWN) {
+ delta = ltt_time_sub(tfcs->parent.parent.timestamp,
+ process->state->entry);
+ } else
+ delta = ltt_time_zero;
+
+ *(elapsed_time.v_time) = ltt_time_add(*(elapsed_time.v_time), delta);
+
+ lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_CPU_TIME,
+ LTTV_TIME, &cpu_time);
+
+ /* if it is a running mode, we must count its cpu time */
+ if(process->state->s == LTTV_STATE_RUN &&
+ process->state->t != LTTV_STATE_MODE_UNKNOWN)
+ delta = ltt_time_sub(tfcs->parent.parent.timestamp,
+ process->state->change);
+ else
+ delta = ltt_time_zero;
+
+ *(cpu_time.v_time) = ltt_time_add(*(cpu_time.v_time), delta);
+ process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time,
+ delta);
+
+ lttv_attribute_find(tfcs->current_events_tree, LTTV_STATS_CUMULATIVE_CPU_TIME,
+ LTTV_TIME, &cum_cpu_time);
+ *(cum_cpu_time.v_time) = ltt_time_add(*(cum_cpu_time.v_time),
+ process->state->cum_cpu_time);
+}
+
+
+static void after_mode_end(LttvTracefileStats *tfcs)
+{
+ LttvTraceState *ts = (LttvTraceState *)tfcs->parent.parent.t_context;
+ guint cpu = tfcs->parent.cpu;
+ LttvProcessState *process = ts->running_process[cpu];
+
+ LttTime nested_delta;
+
+ nested_delta = process->state->cum_cpu_time;
+ process->state->cum_cpu_time = ltt_time_zero; /* For after traceset hook */
+
+ update_event_tree(tfcs);
+
+ process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time,
+ nested_delta);
+}
+
+static gboolean before_syscall_entry(void *hook_data, void *call_data)
+{
+ mode_change((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_syscall_entry(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_syscall_exit(void *hook_data, void *call_data)
+{
+ mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_syscall_exit(void *hook_data, void *call_data)
+{
+ after_mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_trap_entry(void *hook_data, void *call_data)
+{
+ mode_change((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_trap_entry(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_trap_exit(void *hook_data, void *call_data)
+{
+ mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_trap_exit(void *hook_data, void *call_data)
+{
+ after_mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_irq_entry(void *hook_data, void *call_data)
+{
+ mode_change((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean after_irq_entry(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_irq_exit(void *hook_data, void *call_data)
+{
+ mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_irq_exit(void *hook_data, void *call_data)
+{
+ after_mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_soft_irq_entry(void *hook_data, void *call_data)
+{
+ mode_change((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean after_soft_irq_entry(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean before_soft_irq_exit(void *hook_data, void *call_data)
+{
+ mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean after_soft_irq_exit(void *hook_data, void *call_data)
+{
+ after_mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean before_function_entry(void *hook_data, void *call_data)
+{
+ mode_change((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean after_function_entry(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean before_function_exit(void *hook_data, void *call_data)
+{
+ mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean after_function_exit(void *hook_data, void *call_data)
+{
+ after_mode_end((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+
+static gboolean before_schedchange(void *hook_data, void *call_data)
+{
+ LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
+
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.parent.tf);
+
+ LttvTraceHook *th = (LttvTraceHook *)hook_data;
+
+ guint pid_in, pid_out;
+
+ gint64 state_out;
+
+ pid_out = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 0));
+ pid_in = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 1));
+ state_out = ltt_event_get_long_int(e, lttv_trace_get_hook_field(th, 2));
+
+ /* compute the time for the process to schedule out */
+ mode_change(tfcs);
+
+ return FALSE;
+}
+
+static gboolean after_schedchange(void *hook_data, void *call_data)
+{
+ LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
+
+ LttvTraceState *ts = (LttvTraceState*)tfcs->parent.parent.t_context;
+
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.parent.tf);
+
+ LttvTraceHook *th = (LttvTraceHook *)hook_data;
+
+ guint pid_in, pid_out;
+
+ gint64 state_out;
+
+ LttvProcessState *process;
+
+ pid_out = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 0));
+ pid_in = ltt_event_get_unsigned(e, lttv_trace_get_hook_field(th, 1));
+ state_out = ltt_event_get_long_int(e, lttv_trace_get_hook_field(th, 2));
+
+ /* get the information for the process scheduled in */
+ guint cpu = tfcs->parent.cpu;
+ process = ts->running_process[cpu];
+
+ find_event_tree(tfcs, process->pid_time,
+ cpu,
+ process->current_function,
+ process->state->t, process->state->n, &(tfcs->current_events_tree),
+ &(tfcs->current_event_types_tree));
+
+ /* compute the time waiting for the process to schedule in */
+ mode_change(tfcs);
+
+ return FALSE;
+}
+
+static gboolean process_fork(void *hook_data, void *call_data)
+{
+ return FALSE;
+}
+
+static gboolean process_exit(void *hook_data, void *call_data)
+{
+ update_event_tree((LttvTracefileStats *)call_data);
+ return FALSE;
+}
+
+static gboolean before_enum_process_state(void *hook_data, void *call_data)
+{
+#if 0
+ /* Broken : adds up time in the current process doing the dump */
+ LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
+ mode_end(tfcs);
+ after_mode_end(tfcs);
+ mode_change(tfcs);
+#endif //0
+ return FALSE;
+}
+
+static gboolean after_enum_process_state(void *hook_data, void *call_data)
+{
+ LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
+ LttvTraceStats *tcs = (LttvTraceStats*)tfc->t_context;
+ update_trace_event_tree(tcs);
+ return FALSE;
+}
+
+static gboolean after_statedump_end(void *hook_data, void *call_data)
+{
+ LttvTracefileContext *tfc = (LttvTracefileContext *)call_data;
+ LttvTraceStats *tcs = (LttvTraceStats*)tfc->t_context;
+ update_trace_event_tree(tcs);
+ return FALSE;
+}
+
+static gboolean process_free(void *hook_data, void *call_data)
+{
+ return FALSE;
+}
+
+static gboolean every_event(void *hook_data, void *call_data)
+{
+ LttvTracefileStats *tfcs = (LttvTracefileStats *)call_data;
+
+ LttEvent *e = ltt_tracefile_get_event(tfcs->parent.parent.tf);
+
+ LttvAttributeValue v;
+
+ struct marker_info *info;
+
+ /* The current branch corresponds to the tracefile/process/interrupt state.
+ Statistics are added within it, to count the number of events of this
+ type occuring in this context. A quark has been pre-allocated for each
+ event type and is used as name. */
+
+ info = marker_get_info_from_id(tfcs->parent.parent.tf->mdata, e->event_id);
+
+ lttv_attribute_find(tfcs->current_event_types_tree,
+ info->name, LTTV_UINT, &v);
+ (*(v.v_uint))++;
+ return FALSE;
+}
+
+struct cleanup_state_struct {
+ LttvTraceState *ts;
+ LttTime current_time;
+};
+
+//static void lttv_stats_cleanup_process_state(LttvTraceState *ts,
+// LttvProcessState *process, LttTime current_time)
+static void lttv_stats_cleanup_process_state(gpointer key, gpointer value,
+ gpointer user_data)
+{
+ struct cleanup_state_struct *cleanup_closure =
+ (struct cleanup_state_struct *)user_data;
+ LttvTraceState *ts = cleanup_closure->ts;
+ LttvProcessState *process = (LttvProcessState *)value;
+ LttTime current_time = cleanup_closure->current_time;
+ LttvTracefileStats **tfs = (LttvTracefileStats **)
+ &g_array_index(ts->parent.tracefiles, LttvTracefileContext*,
+ process->cpu);
+ int cleanup_empty = 0;
+ LttTime nested_delta = ltt_time_zero;
+
+ /* FIXME : ok, this is a hack. The time is infinite here :( */
+ //LttTime save_time = (*tfs)->parent.parent.timestamp;
+ //LttTime start, end;
+ //ltt_trace_time_span_get(ts->parent.t, &start, &end);
+ //(*tfs)->parent.parent.timestamp = end;
+
+ do {
+ if(ltt_time_compare(process->state->cum_cpu_time, ltt_time_zero) != 0) {
+ find_event_tree(*tfs, process->pid_time,
+ process->cpu,
+ process->current_function,
+ process->state->t, process->state->n, &((*tfs)->current_events_tree),
+ &((*tfs)->current_event_types_tree));
+ /* Call mode_end only if not at end of trace */
+ if(ltt_time_compare(current_time, ltt_time_infinite) != 0)
+ mode_end(*tfs);
+ nested_delta = process->state->cum_cpu_time;
+ }
+ cleanup_empty = lttv_state_pop_state_cleanup(process,
+ (LttvTracefileState *)*tfs);
+ process->state->cum_cpu_time = ltt_time_add(process->state->cum_cpu_time,
+ nested_delta);
+
+ } while(cleanup_empty != 1);
+
+ //(*tfs)->parent.parent.timestamp = save_time;
+}
+
+/* For each cpu, for each of their stacked states,
+ * perform sum of needed values. */
+static void lttv_stats_cleanup_state(LttvTraceStats *tcs, LttTime current_time)
+{
+ LttvTraceState *ts = (LttvTraceState *)tcs;
+ struct cleanup_state_struct cleanup_closure;
+#if 0
+ guint nb_cpus, i;
+
+ nb_cpus = ltt_trace_get_num_cpu(ts->parent.t);
+
+ for(i=0; i<nb_cpus; i++) {
+ lttv_stats_cleanup_process_state(ts, ts->running_process[i], current_time);
+ }
+#endif //0
+ cleanup_closure.ts = ts;
+ cleanup_closure.current_time = current_time;
+ g_hash_table_foreach(ts->processes, lttv_stats_cleanup_process_state,
+ &cleanup_closure);
+}
+
+void
+lttv_stats_sum_trace(LttvTraceStats *self, LttvAttribute *ts_stats,
+ LttTime current_time)
+{
+ LttvAttribute *sum_container = self->stats;
+
+ LttvAttributeType type;
+
+ LttvAttributeValue value;
+
+ LttvAttributeName name;
+
+ gboolean is_named;
+
+ unsigned sum;
+
+ int trace_is_summed;
+
+ int i, j, k, l, m, nb_process, nb_cpu, nb_mode_type, nb_submode,
+ nb_event_type, nf, nb_functions;
+
+ LttvAttribute *main_tree, *processes_tree, *process_tree, *cpus_tree,
+ *cpu_tree, *mode_tree, *mode_types_tree, *submodes_tree,
+ *submode_tree, *event_types_tree, *mode_events_tree,
+ *cpu_functions_tree,
+ *function_tree,
+ *function_mode_types_tree,
+ *trace_cpu_tree;
+
+
+ main_tree = sum_container;
+
+ lttv_attribute_find(sum_container,
+ LTTV_STATS_SUMMED,
+ LTTV_UINT, &value);
+ trace_is_summed = *(value.v_uint);
+ *(value.v_uint) = 1;
+
+ /* First cleanup the state : sum all stalled information (never ending
+ * states). */
+ if(!trace_is_summed)
+ lttv_stats_cleanup_state(self, current_time);
+
+ processes_tree = lttv_attribute_find_subdir(main_tree,
+ LTTV_STATS_PROCESSES);
+ nb_process = lttv_attribute_get_number(processes_tree);
+
+ for(i = 0 ; i < nb_process ; i++) {
+ type = lttv_attribute_get(processes_tree, i, &name, &value, &is_named);
+ process_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+
+ cpus_tree = lttv_attribute_find_subdir(process_tree, LTTV_STATS_CPU);
+ nb_cpu = lttv_attribute_get_number(cpus_tree);
+
+ for(j = 0 ; j < nb_cpu ; j++) {
+ type = lttv_attribute_get(cpus_tree, j, &name, &value, &is_named);
+ cpu_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+
+ trace_cpu_tree = lttv_attribute_find_subdir(main_tree, LTTV_STATS_CPU);
+ trace_cpu_tree = lttv_attribute_find_subdir_unnamed(trace_cpu_tree, name);
+ cpu_functions_tree = lttv_attribute_find_subdir(cpu_tree,
+ LTTV_STATS_FUNCTIONS);
+ nb_functions = lttv_attribute_get_number(cpu_functions_tree);
+
+ for(nf=0; nf < nb_functions; nf++) {
+ type = lttv_attribute_get(cpu_functions_tree, nf, &name, &value,
+ &is_named);
+ function_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+ function_mode_types_tree = lttv_attribute_find_subdir(function_tree,
+ LTTV_STATS_MODE_TYPES);
+ nb_mode_type = lttv_attribute_get_number(function_mode_types_tree);
+ for(k = 0 ; k < nb_mode_type ; k++) {
+ type = lttv_attribute_get(function_mode_types_tree, k, &name, &value,
+ &is_named);
+ mode_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+
+ submodes_tree = lttv_attribute_find_subdir(mode_tree,
+ LTTV_STATS_SUBMODES);
+ mode_events_tree = lttv_attribute_find_subdir(mode_tree,
+ LTTV_STATS_EVENTS);
+ mode_types_tree = lttv_attribute_find_subdir(mode_tree,
+ LTTV_STATS_MODE_TYPES);
+
+ nb_submode = lttv_attribute_get_number(submodes_tree);
+
+ for(l = 0 ; l < nb_submode ; l++) {
+ type = lttv_attribute_get(submodes_tree, l, &name, &value,
+ &is_named);
+ submode_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+
+ event_types_tree = lttv_attribute_find_subdir(submode_tree,
+ LTTV_STATS_EVENT_TYPES);
+ nb_event_type = lttv_attribute_get_number(event_types_tree);
+
+ sum = 0;
+ for(m = 0 ; m < nb_event_type ; m++) {
+ type = lttv_attribute_get(event_types_tree, m, &name, &value,
+ &is_named);
+ sum += *(value.v_uint);
+ }
+ lttv_attribute_find(submode_tree, LTTV_STATS_EVENTS_COUNT,
+ LTTV_UINT, &value);
+ *(value.v_uint) = sum;
+
+ type = lttv_attribute_get(submodes_tree, l, &name, &value,
+ &is_named);
+ submode_tree = LTTV_ATTRIBUTE(*(value.v_gobject));
+ if(!trace_is_summed) {
+ lttv_attribute_recursive_add(mode_events_tree, event_types_tree);
+ lttv_attribute_recursive_add(mode_types_tree, submode_tree);
+ }
+ }
+ if(!trace_is_summed) {
+ lttv_attribute_recursive_add(function_tree, mode_types_tree);
+ }
+ }
+ if(!trace_is_summed) {
+ lttv_attribute_recursive_add(cpu_tree, function_tree);
+ lttv_attribute_recursive_add(process_tree, function_tree);
+ lttv_attribute_recursive_add(trace_cpu_tree, function_tree);
+ lttv_attribute_recursive_add(main_tree, function_tree);
+ }
+ lttv_attribute_recursive_add(ts_stats, function_tree);
+ }
+ }
+ }
+}
+
+
+gboolean lttv_stats_sum_traceset_hook(void *hook_data, void *call_data)
+{
+ struct sum_traceset_closure *closure =
+ (struct sum_traceset_closure *)call_data;
+ lttv_stats_sum_traceset(closure->tss, closure->current_time);
+ return 0;
+}
+
+void
+lttv_stats_sum_traceset(LttvTracesetStats *self, LttTime current_time)
+{
+ LttvTraceset *traceset = self->parent.parent.ts;
+ LttvAttribute *sum_container = self->stats;
+
+ LttvTraceStats *tcs;
+
+ int i, nb_trace;
+
+ LttvAttributeValue value;
+
+ lttv_attribute_find(sum_container, LTTV_STATS_SUMMED,
+ LTTV_UINT, &value);
+ if(*(value.v_uint) != 0) return;
+ *(value.v_uint) = 1;
+
+ nb_trace = lttv_traceset_number(traceset);
+
+ for(i = 0 ; i < nb_trace ; i++) {
+ tcs = (LttvTraceStats *)(self->parent.parent.traces[i]);
+ lttv_stats_sum_trace(tcs, self->stats, current_time);
+ // lttv_attribute_recursive_add(sum_container, tcs->stats);
+ }
+}
+
+
+// Hook wrapper. call_data is a traceset context.
+gboolean lttv_stats_hook_add_event_hooks(void *hook_data, void *call_data)
+{
+ LttvTracesetStats *tss = (LttvTracesetStats*)call_data;
+
+ lttv_stats_add_event_hooks(tss);
+
+ return 0;
+}
+
+void lttv_stats_add_event_hooks(LttvTracesetStats *self)
+{
+ LttvTraceset *traceset = self->parent.parent.ts;
+
+ guint i, j, k, nb_trace, nb_tracefile;
+
+ LttvTraceStats *ts;
+
+ LttvTracefileStats *tfs;
+
+ GArray *hooks, *before_hooks, *after_hooks;
+
+ LttvTraceHook *th;
+
+ LttvAttributeValue val;
+
+ nb_trace = lttv_traceset_number(traceset);
+ for(i = 0 ; i < nb_trace ; i++) {
+ ts = (LttvTraceStats *)self->parent.parent.traces[i];
+
+ /* Find the eventtype id for the following events and register the
+ associated by id hooks. */
+
+ hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 12);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SYSCALL_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_SYSCALL_ID),
+ before_syscall_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SYSCALL_EXIT,
+ NULL,
+ before_syscall_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_TRAP_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_TRAP_ID),
+ before_trap_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_TRAP_EXIT,
+ NULL,
+ before_trap_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_IRQ_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_IRQ_ID),
+ before_irq_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_IRQ_EXIT,
+ NULL,
+ before_irq_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SOFT_IRQ_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID),
+ before_soft_irq_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SOFT_IRQ_EXIT,
+ NULL,
+ before_soft_irq_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SCHED_SCHEDULE,
+ FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
+ before_schedchange, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_USERSPACE,
+ LTT_EVENT_FUNCTION_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE),
+ before_function_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_USERSPACE,
+ LTT_EVENT_FUNCTION_EXIT,
+ FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE),
+ before_function_exit, NULL,
+ &hooks);
+
+ /* statedump-related hooks */
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_TASK_STATE,
+ LTT_EVENT_PROCESS_STATE,
+ FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME),
+ before_enum_process_state, NULL,
+ &hooks);
+
+ before_hooks = hooks;
+
+ hooks = g_array_sized_new(FALSE, FALSE, sizeof(LttvTraceHook), 16);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SYSCALL_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_SYSCALL_ID),
+ after_syscall_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SYSCALL_EXIT,
+ NULL,
+ after_syscall_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_TRAP_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_TRAP_ID),
+ after_trap_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_TRAP_EXIT,
+ NULL,
+ after_trap_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_IRQ_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_IRQ_ID),
+ after_irq_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_IRQ_EXIT,
+ NULL,
+ after_irq_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SOFT_IRQ_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_SOFT_IRQ_ID),
+ after_soft_irq_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SOFT_IRQ_EXIT,
+ NULL,
+ after_soft_irq_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_SCHED_SCHEDULE,
+ FIELD_ARRAY(LTT_FIELD_PREV_PID, LTT_FIELD_NEXT_PID, LTT_FIELD_PREV_STATE),
+ after_schedchange, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_PROCESS_FORK,
+ FIELD_ARRAY(LTT_FIELD_PARENT_PID, LTT_FIELD_CHILD_PID),
+ process_fork, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_PROCESS_EXIT,
+ FIELD_ARRAY(LTT_FIELD_PID),
+ process_exit, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_KERNEL,
+ LTT_EVENT_PROCESS_FREE,
+ FIELD_ARRAY(LTT_FIELD_PID),
+ process_free, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_USERSPACE,
+ LTT_EVENT_FUNCTION_ENTRY,
+ FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE),
+ after_function_entry, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_USERSPACE,
+ LTT_EVENT_FUNCTION_EXIT,
+ FIELD_ARRAY(LTT_FIELD_THIS_FN, LTT_FIELD_CALL_SITE),
+ after_function_exit, NULL,
+ &hooks);
+
+ /* statedump-related hooks */
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_TASK_STATE,
+ LTT_EVENT_PROCESS_STATE,
+ FIELD_ARRAY(LTT_FIELD_PID, LTT_FIELD_PARENT_PID, LTT_FIELD_NAME),
+ after_enum_process_state, NULL,
+ &hooks);
+
+ lttv_trace_find_hook(ts->parent.parent.t,
+ LTT_CHANNEL_GLOBAL_STATE,
+ LTT_EVENT_STATEDUMP_END,
+ NULL,
+ after_statedump_end, NULL,
+ &hooks);
+
+ after_hooks = hooks;
+
+ /* Add these hooks to each event_by_id hooks list */
+
+ nb_tracefile = ts->parent.parent.tracefiles->len;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfs = LTTV_TRACEFILE_STATS(g_array_index(ts->parent.parent.tracefiles,
+ LttvTracefileContext*, j));
+ lttv_hooks_add(tfs->parent.parent.event, every_event, NULL,
+ LTTV_PRIO_DEFAULT);
+
+ for(k = 0 ; k < before_hooks->len ; k++) {
+ th = &g_array_index(before_hooks, LttvTraceHook, k);
+ if (th->mdata == tfs->parent.parent.tf->mdata)
+ lttv_hooks_add(
+ lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id),
+ th->h,
+ th,
+ LTTV_PRIO_STATS_BEFORE_STATE);
+ }
+ for(k = 0 ; k < after_hooks->len ; k++) {
+ th = &g_array_index(after_hooks, LttvTraceHook, k);
+ if (th->mdata == tfs->parent.parent.tf->mdata)
+ lttv_hooks_add(
+ lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id),
+ th->h,
+ th,
+ LTTV_PRIO_STATS_AFTER_STATE);
+ }
+ }
+ lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS,
+ LTTV_POINTER, &val);
+ *(val.v_pointer) = before_hooks;
+ lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS,
+ LTTV_POINTER, &val);
+ *(val.v_pointer) = after_hooks;
+ }
+}
+
+// Hook wrapper. call_data is a traceset context.
+gboolean lttv_stats_hook_remove_event_hooks(void *hook_data, void *call_data)
+{
+ LttvTracesetStats *tss = (LttvTracesetStats*)call_data;
+
+ lttv_stats_remove_event_hooks(tss);
+
+ return 0;
+}
+
+void lttv_stats_remove_event_hooks(LttvTracesetStats *self)
+{
+ LttvTraceset *traceset = self->parent.parent.ts;
+
+ guint i, j, k, nb_trace, nb_tracefile;
+
+ LttvTraceStats *ts;
+
+ LttvTracefileStats *tfs;
+
+ GArray *before_hooks, *after_hooks;
+
+ LttvTraceHook *th;
+
+ LttvAttributeValue val;
+
+ nb_trace = lttv_traceset_number(traceset);
+ for(i = 0 ; i < nb_trace ; i++) {
+ ts = (LttvTraceStats*)self->parent.parent.traces[i];
+ lttv_attribute_find(self->parent.parent.a, LTTV_STATS_BEFORE_HOOKS,
+ LTTV_POINTER, &val);
+ before_hooks = *(val.v_pointer);
+ lttv_attribute_find(self->parent.parent.a, LTTV_STATS_AFTER_HOOKS,
+ LTTV_POINTER, &val);
+ after_hooks = *(val.v_pointer);
+
+ /* Remove these hooks from each event_by_id hooks list */
+
+ nb_tracefile = ts->parent.parent.tracefiles->len;
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfs = LTTV_TRACEFILE_STATS(g_array_index(ts->parent.parent.tracefiles,
+ LttvTracefileContext*, j));
+ lttv_hooks_remove_data(tfs->parent.parent.event, every_event,
+ NULL);
+
+ for(k = 0 ; k < before_hooks->len ; k++) {
+ th = &g_array_index(before_hooks, LttvTraceHook, k);
+ if (th->mdata == tfs->parent.parent.tf->mdata)
+ lttv_hooks_remove_data(
+ lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id),
+ th->h,
+ th);
+ }
+ for(k = 0 ; k < after_hooks->len ; k++) {
+ th = &g_array_index(after_hooks, LttvTraceHook, k);
+ if (th->mdata == tfs->parent.parent.tf->mdata)
+ lttv_hooks_remove_data(
+ lttv_hooks_by_id_find(tfs->parent.parent.event_by_id, th->id),
+ th->h,
+ th);
+
+ }
+ }
+ g_debug("lttv_stats_remove_event_hooks()");
+ lttv_trace_hook_remove_all(&before_hooks);
+ lttv_trace_hook_remove_all(&after_hooks);
+ g_array_free(before_hooks, TRUE);
+ g_array_free(after_hooks, TRUE);
+ }
+}
+
+
+static void module_init()
+{
+ LTTV_STATS_PROCESS_UNKNOWN = g_quark_from_string("unknown process");
+ LTTV_STATS_PROCESSES = g_quark_from_string("processes");
+ LTTV_STATS_CPU = g_quark_from_string("cpu");
+ LTTV_STATS_MODE_TYPES = g_quark_from_string("mode_types");
+ LTTV_STATS_MODES = g_quark_from_string("modes");
+ LTTV_STATS_SUBMODES = g_quark_from_string("submodes");
+ LTTV_STATS_FUNCTIONS = g_quark_from_string("functions");
+ LTTV_STATS_EVENT_TYPES = g_quark_from_string("event_types");
+ LTTV_STATS_CPU_TIME = g_quark_from_string("cpu time");
+ LTTV_STATS_CUMULATIVE_CPU_TIME = g_quark_from_string("cumulative cpu time (includes nested routines and modes)");
+ LTTV_STATS_ELAPSED_TIME = g_quark_from_string("elapsed time (includes per process waiting time)");
+ LTTV_STATS_EVENTS = g_quark_from_string("events");
+ LTTV_STATS_EVENTS_COUNT = g_quark_from_string("events count");
+ LTTV_STATS_BEFORE_HOOKS = g_quark_from_string("saved stats before hooks");
+ LTTV_STATS_AFTER_HOOKS = g_quark_from_string("saved stats after hooks");
+ LTTV_STATS_USE_COUNT = g_quark_from_string("stats_use_count");
+ LTTV_STATS = g_quark_from_string("statistics");
+ LTTV_STATS_TRACEFILES = g_quark_from_string("tracefiles statistics");
+ LTTV_STATS_SUMMED = g_quark_from_string("statistics summed");
+}
+
+static void module_destroy()
+{
+}
+
+
+LTTV_MODULE("stats", "Compute processes statistics", \
+ "Accumulate statistics for event types, processes and CPUs", \
+ module_init, module_destroy, "state");
+
+/* Change the places where stats are called (create/read/write stats)
+
+ Check for options in batchtest.c to reduce writing and see what tests are
+ best candidates for performance analysis. Once OK, commit, move to main
+ and run tests. Update the gui for statistics. */