#include <lttv/processTrace.h>
#include <ltt/event.h>
+#include <ltt/facility.h>
+#include <ltt/trace.h>
+#include <ltt/type.h>
void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts)
{
return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self);
}
+/****************************************************************************
+ * lttv_traceset_context_compute_time_span
+ *
+ * Keep the Time_Span is sync with on the fly addition and removal of traces
+ * in a trace set. It must be called each time a trace is added/removed from
+ * the traceset. It could be more efficient to call it only once a bunch
+ * of traces are loaded, but the calculation is not long, so it's not
+ * critical.
+ *
+ * Author : Xang Xiu Yang
+ * Imported from gtkTraceSet.c by Mathieu Desnoyers
+ ***************************************************************************/
+static void lttv_traceset_context_compute_time_span(
+ LttvTracesetContext *self,
+ TimeInterval *Time_Span)
+{
+ LttvTraceset * traceset = self->ts;
+ int numTraces = lttv_traceset_number(traceset);
+ int i;
+ LttTime s, e;
+ LttvTraceContext *tc;
+ LttTrace * trace;
+
+ for(i=0; i<numTraces;i++){
+ tc = self->traces[i];
+ trace = tc->t;
+
+ ltt_trace_time_span_get(trace, &s, &e);
+
+ if(i==0){
+ Time_Span->startTime = s;
+ Time_Span->endTime = e;
+ }else{
+ if(s.tv_sec < Time_Span->startTime.tv_sec ||
+ (s.tv_sec == Time_Span->startTime.tv_sec
+ && s.tv_nsec < Time_Span->startTime.tv_nsec))
+ Time_Span->startTime = s;
+ if(e.tv_sec > Time_Span->endTime.tv_sec ||
+ (e.tv_sec == Time_Span->endTime.tv_sec &&
+ e.tv_nsec > Time_Span->endTime.tv_nsec))
+ Time_Span->endTime = e;
+ }
+ }
+}
+
static void
init(LttvTracesetContext *self, LttvTraceset *ts)
LttvTracefileContext *tfc;
+ LttTime null_time = {0, 0};
+
nb_trace = lttv_traceset_number(ts);
self->ts = ts;
self->traces = g_new(LttvTraceContext *, nb_trace);
self->before = lttv_hooks_new();
self->after = lttv_hooks_new();
self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ self->ts_a = lttv_traceset_attribute(ts);
for(i = 0 ; i < nb_trace ; i++) {
tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self);
self->traces[i] = tc;
tc->ts_context = self;
tc->index = i;
- tc->t = lttv_traceset_get(ts, i);
+ tc->vt = lttv_traceset_get(ts, i);
+ tc->t = lttv_trace(tc->vt);
tc->check = lttv_hooks_new();
tc->before = lttv_hooks_new();
tc->after = lttv_hooks_new();
tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ tc->t_a = lttv_trace_attribute(tc->vt);
nb_control = ltt_trace_control_tracefile_number(tc->t);
nb_per_cpu = ltt_trace_per_cpu_tracefile_number(tc->t);
nb_tracefile = nb_control + nb_per_cpu;
tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
}
}
+ lttv_process_traceset_seek_time(self, null_time);
+ /*CHECK why dynamically allocate the time span... and the casing is wroNg*/
+ self->Time_Span = g_new(TimeInterval,1);
+ lttv_traceset_context_compute_time_span(self, self->Time_Span);
}
LttvTraceset *ts = self->ts;
+ g_free(self->Time_Span);
+
lttv_hooks_destroy(self->before);
lttv_hooks_destroy(self->after);
+ //FIXME : segfault
g_object_unref(self->a);
nb_trace = lttv_traceset_number(ts);
}
}
+void lttv_trace_context_add_hooks(LttvTraceContext *tc,
+ LttvHooks *check_trace,
+ LttvHooks *before_trace,
+ LttvHooks *after_trace)
+{
+ lttv_hooks_add_list(tc->check, check_trace);
+ lttv_hooks_add_list(tc->before, before_trace);
+ lttv_hooks_add_list(tc->after, after_trace);
+}
+
+void lttv_trace_context_remove_hooks(LttvTraceContext *tc,
+ LttvHooks *check_trace,
+ LttvHooks *before_trace,
+ LttvHooks *after_trace)
+{
+ lttv_hooks_remove_list(tc->check, check_trace);
+ lttv_hooks_remove_list(tc->before, before_trace);
+ lttv_hooks_remove_list(tc->after, after_trace);
+}
+
+void lttv_tracefile_context_add_hooks(LttvTracefileContext *tfc,
+ LttvHooks *check_tracefile,
+ LttvHooks *before_tracefile,
+ LttvHooks *after_tracefile,
+ LttvHooks *check_event,
+ LttvHooks *before_event,
+ LttvHooks *after_event)
+{
+ lttv_hooks_add_list(tfc->check, check_tracefile);
+ lttv_hooks_add_list(tfc->before, before_tracefile);
+ lttv_hooks_add_list(tfc->after, after_tracefile);
+ lttv_hooks_add_list(tfc->check_event, check_event);
+ lttv_hooks_add_list(tfc->before_event, before_event);
+ lttv_hooks_add_list(tfc->after_event, after_event);
+}
+
+void lttv_tracefile_context_remove_hooks(LttvTracefileContext *tfc,
+ LttvHooks *check_tracefile,
+ LttvHooks *before_tracefile,
+ LttvHooks *after_tracefile,
+ LttvHooks *check_event,
+ LttvHooks *before_event,
+ LttvHooks *after_event)
+{
+ lttv_hooks_remove_list(tfc->check, check_tracefile);
+ lttv_hooks_remove_list(tfc->before, before_tracefile);
+ lttv_hooks_remove_list(tfc->after, after_tracefile);
+ lttv_hooks_remove_list(tfc->check_event, check_event);
+ lttv_hooks_remove_list(tfc->before_event, before_event);
+ lttv_hooks_remove_list(tfc->after_event, after_event);
+}
+
+void lttv_tracefile_context_add_hooks_by_id(LttvTracefileContext *tfc,
+ unsigned i,
+ LttvHooks *before_event_by_id,
+ LttvHooks *after_event_by_id)
+{
+ LttvHooks * h;
+ h = lttv_hooks_by_id_find(tfc->before_event_by_id, i);
+ lttv_hooks_add_list(h, before_event_by_id);
+ h = lttv_hooks_by_id_find(tfc->after_event_by_id, i);
+ lttv_hooks_add_list(h, after_event_by_id);
+}
+
+void lttv_tracefile_context_remove_hooks_by_id(LttvTracefileContext *tfc,
+ unsigned i)
+{
+ lttv_hooks_by_id_remove(tfc->before_event_by_id, i);
+ lttv_hooks_by_id_remove(tfc->after_event_by_id, i);
+}
static LttvTracesetContext *
new_traceset_context(LttvTracesetContext *self)
static void
traceset_context_finalize (LttvTracesetContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACESET_CONTEXT_GET_CLASS(self)))->finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE)))
+ ->finalize(G_OBJECT(self));
}
static void
trace_context_finalize (LttvTraceContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACE_CONTEXT_GET_CLASS(self)))->finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))->
+ finalize(G_OBJECT(self));
}
static void
tracefile_context_finalize (LttvTracefileContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek_parent(LTTV_TRACEFILE_CONTEXT_GET_CLASS(self)))->finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE)))
+ ->finalize(G_OBJECT(self));
}
gint compare_tracefile(gconstpointer a, gconstpointer b)
{
- if(((LttvTime *)a)->tv_sec > ((LttvTime *)b)->tv_sec) return 1;
- if(((LttvTime *)a)->tv_sec < ((LttvTime *)b)->tv_sec) return -1;
- if(((LttvTime *)a)->tv_nsec > ((LttvTime *)b)->tv_nsec) return 1;
- if(((LttvTime *)a)->tv_nsec < ((LttvTime *)b)->tv_nsec) return -1;
- return 0;
+ return ltt_time_compare(*((LttTime *)a), *((LttTime *)b));
}
}
-void lttv_process_trace(LttTime start, LttTime end, LttvTraceset *traceset,
- LttvTracesetContext *context, unsigned maxNumEvents)
+void lttv_process_traceset(LttvTracesetContext *self, LttTime end,
+ unsigned maxNumEvents)
{
GPtrArray *traces = g_ptr_array_new();
LttvTracefileContext *tfc;
LttEvent *event;
+
unsigned count = 0;
- LttTime preTimestamp;
+
+ LttTime previous_timestamp = {0, 0};
/* Call all before_traceset, before_trace, and before_tracefile hooks.
For all qualifying tracefiles, seek to the start time, create a context,
read one event and insert in the pqueue based on the event time. */
- lttv_hooks_call(context->before, context);
- nbi = lttv_traceset_number(traceset);
- // nbi = ltt_trace_set_number(traceset);
+ lttv_hooks_call(self->before, self);
+ nbi = lttv_traceset_number(self->ts);
for(i = 0 ; i < nbi ; i++) {
- tc = context->traces[i];
+ tc = self->traces[i];
trace = tc->t;
if(!lttv_hooks_call_check(tc->check, tc)) {
g_ptr_array_add(tracefiles, tfc);
lttv_hooks_call(tfc->before, tfc);
- ltt_tracefile_seek_time(tracefile, start);
- event = ltt_tracefile_read(tracefile);
- tfc->e = event;
-
- if(event != NULL) {
- tfc->timestamp = ltt_event_time(event);
- g_tree_insert(pqueue, &(tfc->timestamp), tfc);
+ if(tfc->e != NULL) {
+ if(tfc->timestamp.tv_sec < end.tv_sec ||
+ (tfc->timestamp.tv_sec == end.tv_sec && tfc->timestamp.tv_nsec <= end.tv_nsec)){
+ g_tree_insert(pqueue, &(tfc->timestamp), tfc);
+ }
}
}
}
g_tree_foreach(pqueue, get_first, &tfc);
if(tfc == NULL) break;
- /* Get the tracefile with an event for the smallest time found. If two
- or more tracefiles have events for the same time, hope that lookup
- and remove are consistent. */
+ /* Have we reached the maximum number of events specified? However,
+ continue for all the events with the same time stamp (CHECK?). Then,
+ empty the queue and break from the loop. */
count++;
if(count > maxNumEvents){
- if(tfc->timestamp.tv_sec == preTimestamp.tv_sec &&
- tfc->timestamp.tv_nsec == preTimestamp.tv_nsec) {
+ if(tfc->timestamp.tv_sec == previous_timestamp.tv_sec &&
+ tfc->timestamp.tv_nsec == previous_timestamp.tv_nsec) {
count--;
}else{
while(TRUE){
break;
}
}
- preTimestamp = tfc->timestamp;
+ previous_timestamp = tfc->timestamp;
+
+
+ /* Get the tracefile with an event for the smallest time found. If two
+ or more tracefiles have events for the same time, hope that lookup
+ and remove are consistent. */
tfc = g_tree_lookup(pqueue, &(tfc->timestamp));
g_tree_remove(pqueue, &(tfc->timestamp));
- if(!lttv_hooks_call(tfc->check_event, context)) {
+ if(!lttv_hooks_call(tfc->check_event, tfc)) {
id = ltt_event_eventtype_id(tfc->e);
lttv_hooks_call(tfc->before_event, tfc);
lttv_hooks_call(lttv_hooks_by_id_get(tfc->before_event_by_id, id), tfc);
- lttv_hooks_call(tfc->after_event, context);
+ lttv_hooks_call(tfc->after_event, tfc);
lttv_hooks_call(lttv_hooks_by_id_get(tfc->after_event_by_id, id), tfc);
}
}
g_assert(j == tracefiles->len);
- lttv_hooks_call(context->after, context);
+ lttv_hooks_call(self->after, self);
/* Free the traces, tracefiles and pqueue */
g_ptr_array_free(traces, TRUE);
g_tree_destroy(pqueue);
}
+
+
+void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start)
+{
+ guint i, nb_control, nb_per_cpu, nb_tracefile;
+
+ LttvTracefileContext *tfc;
+
+ LttEvent *event;
+
+ nb_control = ltt_trace_control_tracefile_number(self->t);
+ nb_per_cpu = ltt_trace_per_cpu_tracefile_number(self->t);
+ nb_tracefile = nb_control + nb_per_cpu;
+ for(i = 0 ; i < nb_tracefile ; i++) {
+ if(i < nb_control) tfc = self->control_tracefiles[i];
+ else tfc = self->per_cpu_tracefiles[i - nb_control];
+
+ ltt_tracefile_seek_time(tfc->tf, start);
+ event = ltt_tracefile_read(tfc->tf);
+ tfc->e = event;
+ if(event != NULL) tfc->timestamp = ltt_event_time(event);
+ }
+}
+
+
+void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start)
+{
+ guint i, nb_trace;
+
+ LttvTraceContext *tc;
+
+ nb_trace = lttv_traceset_number(self->ts);
+ for(i = 0 ; i < nb_trace ; i++) {
+ tc = self->traces[i];
+ lttv_process_trace_seek_time(tc, start);
+ }
+}
+
+
+static LttField *
+find_field(LttEventType *et, const char *field)
+{
+ LttType *t;
+
+ LttField *f;
+
+ guint i, nb;
+
+ char *name;
+
+ if(field == NULL) return NULL;
+
+ f = ltt_eventtype_field(et);
+ t = ltt_eventtype_type(et);
+ g_assert(ltt_type_class(t) == LTT_STRUCT);
+ nb = ltt_type_member_number(t);
+ for(i = 0 ; i < nb ; i++) {
+ ltt_type_member_type(t, i, &name);
+ if(strcmp(name, field) == 0) break;
+ }
+ g_assert(i < nb);
+ return ltt_field_member(f, i);
+}
+
+
+void
+lttv_trace_find_hook(LttTrace *t, char *facility, char *event_type,
+ char *field1, char *field2, char *field3, LttvHook h, LttvTraceHook *th)
+{
+ LttFacility *f;
+
+ LttEventType *et;
+
+ guint nb, pos, i;
+
+ char *name;
+
+ nb = ltt_trace_facility_find(t, facility, &pos);
+ if(nb < 1) g_error("No %s facility", facility);
+ f = ltt_trace_facility_get(t, pos);
+ et = ltt_facility_eventtype_get_by_name(f, event_type);
+ if(et == NULL) g_error("Event %s does not exist", event_type);
+
+ th->h = h;
+ th->id = ltt_eventtype_id(et);
+ th->f1 = find_field(et, field1);
+ th->f2 = find_field(et, field2);
+ th->f3 = find_field(et, field3);
+}
+
+
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