#include <ltt/facility.h>
#include <ltt/trace.h>
#include <ltt/type.h>
+#include <errno.h>
-static gint compare_tracefile(gconstpointer a, gconstpointer b)
+gint compare_tracefile(gconstpointer a, gconstpointer b)
{
gint comparison = 0;
return comparison;
}
-struct _LttvTraceContextPosition {
- LttEventPosition **tf_pos; /* Position in each tracefile */
- guint nb_tracefile; /* Number of tracefiles (check) */
-};
-
struct _LttvTracesetContextPosition {
- LttvTraceContextPosition *t_pos; /* Position in each trace */
- guint nb_trace; /* Number of traces (check) */
- LttTime timestamp; /* Current time at the saved position */
+ GArray *ep; /* Array of LttEventPosition */
+ GArray *tfc; /* Array of corresponding
+ TracefileContext* */
+ LttTime timestamp; /* Current time at the saved position */
+ /* If ltt_time_infinite : no position is
+ * set, else, a position is set (may be end
+ * of trace, with ep->len == 0) */
};
void lttv_context_init(LttvTracesetContext *self, LttvTraceset *ts)
static void
init(LttvTracesetContext *self, LttvTraceset *ts)
{
- guint i, j, nb_trace, nb_control, nb_per_cpu, nb_tracefile;
+ guint i, nb_trace;
LttvTraceContext *tc;
self->traces = g_new(LttvTraceContext *, nb_trace);
self->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
self->ts_a = lttv_traceset_attribute(ts);
+ self->sync_position = lttv_traceset_context_position_new();
for(i = 0 ; i < nb_trace ; i++) {
tc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self);
self->traces[i] = tc;
sizeof(LttvTracefileContext*), 10);
tracefiles_groups = ltt_trace_get_tracefiles_groups(tc->t);
+ if(tracefiles_groups != NULL) {
+ args.func = (ForEachTraceFileFunc)init_tracefile_context;
+ args.func_args = tc;
- args.func = (ForEachTraceFileFunc)init_tracefile_context;
- args.func_args = tc;
-
- g_datalist_foreach(tracefiles_groups,
- (GDataForeachFunc)compute_tracefile_group,
- &args);
+ g_datalist_foreach(tracefiles_groups,
+ (GDataForeachFunc)compute_tracefile_group,
+ &args);
+ }
#if 0
nb_control = ltt_trace_control_tracefile_number(tc->t);
LttvTraceContext *tc;
- LttvTracefileContext *tfc;
+ LttvTracefileContext **tfc;
LttvTraceset *ts = self->ts;
- //FIXME : segfault
-
g_tree_destroy(self->pqueue);
g_object_unref(self->a);
+ lttv_traceset_context_position_destroy(self->sync_position);
nb_trace = lttv_traceset_number(ts);
nb_tracefile = tc->tracefiles->len;
for(j = 0 ; j < nb_tracefile ; j++) {
- tfc = g_array_index(tc->tracefiles, LttvTracefileContext*, j);
- lttv_hooks_destroy(tfc->event);
- lttv_hooks_by_id_destroy(tfc->event_by_id);
- g_object_unref(tfc->a);
- g_object_unref(tfc);
+ tfc = &g_array_index(tc->tracefiles, LttvTracefileContext*, j);
+ lttv_hooks_destroy((*tfc)->event);
+ lttv_hooks_by_id_destroy((*tfc)->event_by_id);
+ g_object_unref((*tfc)->a);
+ g_object_unref(*tfc);
}
g_array_free(tc->tracefiles, TRUE);
g_object_unref(tc);
{
guint i, nb_tracefile;
- LttvTracefileContext *tfc;
+ LttvTracefileContext **tfc;
lttv_hooks_call(before_trace, self);
nb_tracefile = self->tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = &g_array_index(self->tracefiles, LttvTracefileContext, i);
- lttv_tracefile_context_add_hooks(tfc,
+ tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+ lttv_tracefile_context_add_hooks(*tfc,
before_tracefile,
event,
event_by_id);
{
guint i, nb_tracefile;
- LttvTracefileContext *tfc;
+ LttvTracefileContext **tfc;
nb_tracefile = self->tracefiles->len;
for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = &g_array_index(self->tracefiles, LttvTracefileContext, i);
- lttv_tracefile_context_remove_hooks(tfc,
+ tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+ lttv_tracefile_context_remove_hooks(*tfc,
after_tracefile,
event,
event_by_id);
LttvHooks *event,
LttvHooksById *event_by_id)
{
- guint i;
+ guint i, index;
LttvHooks *hook;
lttv_hooks_call(before_tracefile, self);
lttv_hooks_add_list(self->event, event);
- if(event_by_id != NULL)
- for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) {
- hook = lttv_hooks_by_id_find(self->event_by_id, i);
- lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, i));
+ if(event_by_id != NULL) {
+ for(i = 0; i < event_by_id->array->len; i++) {
+ index = g_array_index(event_by_id->array, guint, i);
+ hook = lttv_hooks_by_id_find(self->event_by_id, index);
+ lttv_hooks_add_list(hook, lttv_hooks_by_id_get(event_by_id, index));
}
-
+ }
}
void lttv_tracefile_context_remove_hooks(LttvTracefileContext *self,
LttvHooks *event,
LttvHooksById *event_by_id)
{
- guint i;
+ guint i, index;
LttvHooks *hook;
-
lttv_hooks_remove_list(self->event, event);
- if(event_by_id != NULL)
- for(i = 0; i < lttv_hooks_by_id_max_id(event_by_id); i++) {
- hook = lttv_hooks_by_id_get(self->event_by_id, i);
+ if(event_by_id != NULL) {
+ for(i = 0; i < event_by_id->array->len; i++) {
+ index = g_array_index(event_by_id->array, guint, i);
+ hook = lttv_hooks_by_id_get(self->event_by_id, index);
if(hook != NULL)
- lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, i));
+ lttv_hooks_remove_list(hook, lttv_hooks_by_id_get(event_by_id, index));
}
+ }
lttv_hooks_call(after_tracefile, self);
}
static gboolean get_first(gpointer key, gpointer value, gpointer user_data) {
+ g_assert(key == value);
*((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value;
return TRUE;
}
+#ifdef DEBUG
+// Test to see if pqueue is traversed in the right order.
+static LttTime test_time;
-/* Put all the tracefiles at the tracefile context position */
-void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *self)
-{
- guint iter_trace, nb_trace;
+static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) {
- LttvTraceContext *tc;
+ LttvTracefileContext *tfc = (LttvTracefileContext *)key;
- nb_trace = lttv_traceset_number(self->ts);
+ g_debug("Tracefile name %s, time %lu.%lu, tfi %u, ti %u",
+ g_quark_to_string(ltt_tracefile_name(tfc->tf)),
+ tfc->timestamp.tv_sec, tfc->timestamp.tv_nsec,
+ tfc->index, tfc->t_context->index);
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
- tc = self->traces[iter_trace];
- {
- /* each trace */
- guint iter_tf, nb_tracefile;
-
- LttvTracefileContext *tfc;
-
- nb_tracefile = tc->tracefiles->len;
-
- for(iter_tf = 0 ; iter_tf < nb_tracefile ; iter_tf++) {
- tfc = g_array_index(tc->tracefiles, LttvTracefileContext*, iter_tf);
- {
- /* each tracefile */
- //ltt_tracefile_copy(tfc->tf_sync_data, tfc->tf);
- LttEventPosition *ep = ltt_event_position_new();
-
- ltt_event_position(ltt_tracefile_get_event(tfc->tf), ep);
-
- ltt_tracefile_seek_position(tfc->tf, ep);
- g_free(ep);
- }
- }
- }
+ if(user_data != NULL) {
+ if(((LttvTracefileContext *)user_data) == (LttvTracefileContext *)value) {
+ g_assert(compare_tracefile(user_data, value) == 0);
+ } else
+ g_assert(compare_tracefile(user_data, value) != 0);
}
+ g_assert(ltt_time_compare(test_time, tfc->timestamp) <= 0);
+ test_time.tv_sec = tfc->timestamp.tv_sec;
+ test_time.tv_nsec = tfc->timestamp.tv_nsec;
+
+
+ //g_assert(((LttvTracefileContext *)user_data) != (LttvTracefileContext *)value);
+ return FALSE;
}
+#endif //DEBUG
}
+enum read_state { LAST_NONE, LAST_OK, LAST_EMPTY };
+
/* Note : a _middle must be preceded from a _seek or another middle */
guint lttv_process_traceset_middle(LttvTracesetContext *self,
LttTime end,
{
GTree *pqueue = self->pqueue;
- guint id;
+ guint fac_id, ev_id, id;
LttvTracefileContext *tfc;
unsigned count = 0;
+ guint read_ret;
+
+ enum read_state last_read_state = LAST_NONE;
+
gboolean last_ret = FALSE; /* return value of the last hook list called */
/* Get the next event from the pqueue, call its hooks,
*/
if(unlikely(last_ret == TRUE ||
- count >= nb_events ||
+ ((count >= nb_events) && (nb_events != G_MAXULONG)) ||
(end_position!=NULL&<tv_traceset_context_ctx_pos_compare(self,
end_position) == 0)||
ltt_time_compare(end, tfc->timestamp) <= 0))
{
return count;
}
-
+
/* 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. */
-
+
+#ifdef DEBUG
+ test_time.tv_sec = 0;
+ test_time.tv_nsec = 0;
+ g_debug("test tree before remove");
+ g_tree_foreach(pqueue, test_tree, tfc);
+#endif //DEBUG
g_tree_remove(pqueue, tfc);
- count++;
-
+
+#ifdef DEBUG
+ test_time.tv_sec = 0;
+ test_time.tv_nsec = 0;
+ g_debug("test tree after remove");
+ g_tree_foreach(pqueue, test_tree, tfc);
+#endif //DEBUG
+
e = ltt_tracefile_get_event(tfc->tf);
- id = ltt_event_eventtype_id(e);
- last_ret = lttv_hooks_call_merge(tfc->event, tfc,
- lttv_hooks_by_id_get(tfc->event_by_id, id), tfc);
- if(likely(!ltt_tracefile_read(tfc->tf))) {
+ if(last_read_state != LAST_EMPTY) {
+ /* Only call hooks if the last read has given an event or if we are at the
+ * first pass (not if last read returned end of tracefile) */
+ count++;
+
+ fac_id = ltt_event_facility_id(e);
+ ev_id = ltt_event_eventtype_id(e);
+ id = GET_HOOK_ID(fac_id, ev_id);
+ last_ret = lttv_hooks_call_merge(tfc->event, tfc,
+ lttv_hooks_by_id_get(tfc->event_by_id, id), tfc);
+ }
+
+ read_ret = ltt_tracefile_read(tfc->tf);
+
+ if(likely(!read_ret)) {
+ //g_debug("An event is ready");
tfc->timestamp = ltt_event_time(e);
+ g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0);
g_tree_insert(pqueue, tfc, tfc);
+#ifdef DEBUG
+ test_time.tv_sec = 0;
+ test_time.tv_nsec = 0;
+ g_debug("test tree after event ready");
+ g_tree_foreach(pqueue, test_tree, NULL);
+#endif //DEBUG
+
+ last_read_state = LAST_OK;
+ } else {
+ tfc->timestamp = ltt_time_infinite;
+
+ if(read_ret == ERANGE) {
+ last_read_state = LAST_EMPTY;
+ g_debug("End of trace");
+ } else
+ g_error("Error happened in lttv_process_traceset_middle");
}
}
}
event_by_id);
}
+/* Subtile modification :
+ * if tracefile has no event at or after the time requested, it is not put in
+ * the queue, as the next read would fail.
+ *
+ * Don't forget to empty the traceset pqueue before calling this.
+ */
void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start)
{
guint i, nb_tracefile;
gint ret;
- LttvTracefileContext *tfc;
-
- GTree *pqueue = self->ts_context->pqueue;
+ LttvTracefileContext **tfc;
nb_tracefile = self->tracefiles->len;
+ GTree *pqueue = self->ts_context->pqueue;
+
for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = g_array_index(self->tracefiles, LttvTracefileContext*, i);
- ret = ltt_tracefile_seek_time(tfc->tf, start);
- if(ret) g_error("error in lttv_process_trace_seek_time seek");
- g_tree_remove(pqueue, tfc);
- tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf));
- g_tree_insert(pqueue, tfc, tfc);
+ tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+
+ //g_tree_remove(pqueue, *tfc);
+
+ ret = ltt_tracefile_seek_time((*tfc)->tf, start);
+ if(ret == EPERM) g_error("error in lttv_process_trace_seek_time seek");
+
+ if(ret == 0) { /* not ERANGE especially */
+ (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf));
+ g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0);
+ g_tree_insert(pqueue, (*tfc), (*tfc));
+ } else {
+ (*tfc)->timestamp = ltt_time_infinite;
+ }
}
+#ifdef DEBUG
+ test_time.tv_sec = 0;
+ test_time.tv_nsec = 0;
+ g_debug("test tree after seek_time");
+ g_tree_foreach(pqueue, test_tree, NULL);
+#endif //DEBUG
+
+
+
}
LttvTraceContext *tc;
+ g_tree_destroy(self->pqueue);
+ self->pqueue = g_tree_new(compare_tracefile);
+
nb_trace = lttv_traceset_number(self->ts);
for(i = 0 ; i < nb_trace ; i++) {
tc = self->traces[i];
}
-gboolean lttv_process_tracefile_seek_position(LttvTracefileContext *self,
- const LttEventPosition *pos)
-{
- LttvTracefileContext *tfc = self;
-
- GTree *pqueue = self->t_context->ts_context->pqueue;
-
- ltt_tracefile_seek_position(tfc->tf, pos);
- g_tree_remove(pqueue, tfc);
- tfc->timestamp = ltt_event_time(ltt_tracefile_get_event(tfc->tf));
- g_tree_insert(pqueue, tfc, tfc);
-
- return TRUE;
-}
-
-gboolean lttv_process_trace_seek_position(LttvTraceContext *self,
- const LttvTraceContextPosition *pos)
-{
- guint i, nb_tracefile;
-
- LttvTracefileContext *tfc;
-
- nb_tracefile = self->tracefiles->len;
-
- if(nb_tracefile != pos->nb_tracefile)
- return FALSE; /* Error */
-
- for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = g_array_index(self->tracefiles, LttvTracefileContext*, i);
- lttv_process_tracefile_seek_position(tfc, pos->tf_pos[i]);
- }
-
- return TRUE;
-}
-
-
-
gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self,
const LttvTracesetContextPosition *pos)
{
- guint i, nb_trace;
- gboolean sum_ret = TRUE;
-
- LttvTraceContext *tc;
-
- nb_trace = lttv_traceset_number(self->ts);
+ guint i;
- if(nb_trace != pos->nb_trace)
- return FALSE; /* Error */
-
- for(i = 0 ; i < nb_trace ; i++) {
- tc = self->traces[i];
- sum_ret = sum_ret && lttv_process_trace_seek_position(tc, &pos->t_pos[i]);
+ /* If a position is set, seek the traceset to this position */
+ if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) {
+ g_tree_destroy(self->pqueue);
+ self->pqueue = g_tree_new(compare_tracefile);
+
+ for(i=0;i<pos->ep->len; i++) {
+ LttEventPosition **ep = &g_array_index(pos->ep, LttEventPosition*, i);
+ LttvTracefileContext **tfc =
+ &g_array_index(pos->tfc, LttvTracefileContext*, i);
+ if(*ep != NULL) {
+ if(ltt_tracefile_seek_position((*tfc)->tf, *ep) != 0)
+ return 1;
+ (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf));
+ g_assert(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0);
+ g_tree_insert(self->pqueue, (*tfc), (*tfc));
+ } else {
+ (*tfc)->timestamp = ltt_time_infinite;
+ }
+ }
}
+#ifdef DEBUG
+ test_time.tv_sec = 0;
+ test_time.tv_nsec = 0;
+ g_debug("test tree after seek_position");
+ g_tree_foreach(self->pqueue, test_tree, NULL);
+#endif //DEBUG
- return sum_ret;
+
+
+ return 0;
}
/* Returns 0 on success, -1 if fails. */
gint
lttv_trace_find_hook(LttTrace *t, GQuark facility, GQuark event,
- GQuark field1, GQuark field2, GQuark field3, LttvHook h, LttvTraceHook *th)
+ GQuark field1, GQuark field2, GQuark field3, LttvHook h, gpointer hook_data,
+ LttvTraceHook *th)
{
LttFacility *f;
GArray *facilities;
- guint i, fac_id;
+ guint i, fac_id, ev_id;
LttvTraceHookByFacility *thf, *first_thf;
facilities = ltt_trace_facility_get_by_name(t, facility);
-
+
if(unlikely(facilities == NULL)) goto facility_error;
th->fac_index = g_array_sized_new(FALSE, TRUE,
fac_id = g_array_index(facilities, guint, 0);
f = ltt_trace_get_facility_by_num(t, fac_id);
- et = ltt_facility_eventtype_get_by_name(f, ltt_eventtype_name(et));
+ et = ltt_facility_eventtype_get_by_name(f, event);
if(unlikely(et == NULL)) goto event_error;
thf = &g_array_index(th->fac_index, LttvTraceHookByFacility, fac_id);
- g_array_index(th->fac_list, LttvTraceHookByFacility*, 0)
- = thf;
+ g_array_index(th->fac_list, LttvTraceHookByFacility*, 0) = thf;
+
+ ev_id = ltt_eventtype_id(et);
+
thf->h = h;
- thf->id = ltt_eventtype_id(et);
+ thf->id = GET_HOOK_ID(fac_id, ev_id);
thf->f1 = find_field(et, field1);
thf->f2 = find_field(et, field2);
thf->f3 = find_field(et, field3);
+ thf->hook_data = hook_data;
first_thf = thf;
+ first_et = et;
/* Check for type compatibility too */
for(i=1;i<facilities->len;i++) {
if(unlikely(et == NULL)) goto event_error;
thf = &g_array_index(th->fac_index, LttvTraceHookByFacility, fac_id);
- g_array_index(th->fac_list, LttvTraceHookByFacility*, i)
- = thf;
+ g_array_index(th->fac_list, LttvTraceHookByFacility*, i) = thf;
+ ev_id = ltt_eventtype_id(et);
thf->h = h;
- thf->id = ltt_eventtype_id(et);
+ thf->id = GET_HOOK_ID(fac_id, ev_id);
thf->f1 = find_field(et, field1);
if(check_fields_compatibility(first_et, et,
first_thf->f1, thf->f1))
if(check_fields_compatibility(first_et, et,
first_thf->f3, thf->f3))
goto type_error;
+ thf->hook_data = hook_data;
}
return 0;
LttvTracesetContextPosition *lttv_traceset_context_position_new()
{
- return g_new(LttvTracesetContextPosition,1);
+ LttvTracesetContextPosition *pos = g_new(LttvTracesetContextPosition,1);
+ pos->ep = g_array_sized_new(FALSE, TRUE, sizeof(LttEventPosition*),
+ 10);
+ pos->tfc = g_array_sized_new(FALSE, TRUE, sizeof(LttvTracefileContext*),
+ 10);
+ pos->timestamp = ltt_time_infinite;
+ return pos;
}
-
+/* Save all positions, the ones with infinite time will have NULL
+ * ep. */
void lttv_traceset_context_position_save(const LttvTracesetContext *self,
LttvTracesetContextPosition *pos)
{
- guint nb_trace, nb_tracefile;
- guint iter_trace, iter_tracefile;
-
- LttvTraceContext *tc;
+ guint i;
+ guint num_traces = lttv_traceset_number(self->ts);
- LttvTracefileContext *tfc;
-
- LttEvent *event;
-
- LttTime timestamp = self->time_span.end_time;
-
- pos->nb_trace = nb_trace = lttv_traceset_number(self->ts);
- pos->t_pos = g_new(LttvTraceContextPosition, nb_trace);
+ pos->tfc = g_array_set_size(pos->tfc, 0);
+ pos->ep = g_array_set_size(pos->ep, 0);
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
- tc = self->traces[iter_trace];
-
- nb_tracefile = tc->tracefiles->len;
- pos->t_pos[iter_trace].nb_tracefile = nb_tracefile;
-
- pos->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile);
- for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) {
- tfc = g_array_index(tc->tracefiles, LttvTracefileContext*,
- iter_tracefile);
- event = ltt_tracefile_get_event(tfc->tf);
- if(event!=NULL) {
- pos->t_pos[iter_trace].tf_pos[iter_tracefile]
- = ltt_event_position_new();
- ltt_event_position(event,
- pos->t_pos[iter_trace].tf_pos[iter_tracefile]);
+ for(i=0; i<num_traces;i++) {
+ GArray * tracefiles = self->traces[i]->tracefiles;
+ guint j;
+ guint num_tracefiles = tracefiles->len;
+
+ for(j=0;j<num_tracefiles;j++) {
+ LttvTracefileContext **tfc = &g_array_index(tracefiles,
+ LttvTracefileContext*, j);
+
+ LttEvent *event = ltt_tracefile_get_event((*tfc)->tf);
+ LttEventPosition *ep;
+
+ if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) {
+ ep = ltt_event_position_new();
+ ltt_event_position(event, ep);
+ if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0)
+ pos->timestamp = (*tfc)->timestamp;
} else {
- pos->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL;
+ ep = NULL;
}
- if(ltt_time_compare(tfc->timestamp, timestamp) < 0)
- timestamp = tfc->timestamp;
+ g_array_append_val(pos->tfc, *tfc);
+ g_array_append_val(pos->ep, ep);
}
+
}
- pos->timestamp = timestamp;
}
void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos)
{
- guint nb_trace;
- guint iter_trace, iter_tracefile;
-
- nb_trace = pos->nb_trace;
+ int i;
+ LttEventPosition **ep;
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
- for(iter_tracefile = 0; iter_tracefile <
- pos->t_pos[iter_trace].nb_tracefile;
- iter_tracefile++) {
- if(pos->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL)
- g_free(pos->t_pos[iter_trace].tf_pos[iter_tracefile]);
- }
- g_free(pos->t_pos[iter_trace].tf_pos);
+ for(i=0;i<pos->ep->len;i++) {
+ ep = &g_array_index(pos->ep, LttEventPosition*, i);
+ if(*ep != NULL)
+ g_free(*ep);
}
- g_free(pos->t_pos);
-
+ g_array_free(pos->ep, TRUE);
+ g_array_free(pos->tfc, TRUE);
+ g_free(pos);
}
void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest,
const LttvTracesetContextPosition *src)
{
- guint nb_trace, nb_tracefile;
- guint iter_trace, iter_tracefile;
+ int i;
+ LttEventPosition **src_ep, **dest_ep;
- nb_trace = dest->nb_trace = src->nb_trace;
- dest->t_pos = g_new(LttvTraceContextPosition, nb_trace);
-
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
-
- nb_tracefile = src->t_pos[iter_trace].nb_tracefile;
-
- dest->t_pos[iter_trace].nb_tracefile = nb_tracefile;
-
- dest->t_pos[iter_trace].tf_pos = g_new(LttEventPosition*, nb_tracefile);
-
- for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) {
- dest->t_pos[iter_trace].tf_pos[iter_tracefile] =
- ltt_event_position_new();
- if(src->t_pos[iter_trace].tf_pos[iter_tracefile] != NULL)
- ltt_event_position_copy(
- dest->t_pos[iter_trace].tf_pos[iter_tracefile],
- src->t_pos[iter_trace].tf_pos[iter_tracefile]);
- else
- dest->t_pos[iter_trace].tf_pos[iter_tracefile] = NULL;
- }
+ dest->ep = g_array_set_size(dest->ep, src->ep->len);
+ dest->tfc = g_array_set_size(dest->tfc, src->tfc->len);
+
+ for(i=0;i<src->ep->len;i++) {
+ src_ep = &g_array_index(src->ep, LttEventPosition*, i);
+ dest_ep = &g_array_index(dest->ep, LttEventPosition*, i);
+ if(*src_ep != NULL) {
+ *dest_ep = ltt_event_position_new();
+ ltt_event_position_copy(
+ *dest_ep,
+ *src_ep);
+ } else
+ *dest_ep = NULL;
+ }
+ for(i=0;i<src->tfc->len;i++) {
+ g_array_index(dest->tfc, LttvTracefileContext*, i) =
+ g_array_index(src->tfc, LttvTracefileContext*, i);
}
-
dest->timestamp = src->timestamp;
}
gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self,
const LttvTracesetContextPosition *pos)
{
- guint nb_trace, nb_tracefile;
- guint iter_trace, iter_tracefile;
- gint ret;
-
- LttvTraceContext *tc;
+ int i;
+ int ret = 0;
- LttvTracefileContext *tfc;
-
- LttEvent *event;
-
- nb_trace = lttv_traceset_number(self->ts);
-
- if(unlikely(pos->nb_trace != nb_trace))
- g_error("lttv_traceset_context_ctx_pos_compare : nb_trace does not match.");
+ if(pos->ep->len == 0) {
+ if(lttv_traceset_number(self->ts) == 0) return 0;
+ else return 1;
+ }
+ if(lttv_traceset_number(self->ts) == 0)
+ return -1;
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
- tc = self->traces[iter_trace];
- nb_tracefile = tc->tracefiles->len;
+ for(i=0;i<pos->ep->len;i++) {
+ LttEventPosition *ep = g_array_index(pos->ep, LttEventPosition*, i);
+ LttvTracefileContext *tfc =
+ g_array_index(pos->tfc, LttvTracefileContext*, i);
+
+ if(ep == NULL) {
+ if(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0) {
+ ret = -1;
+ }
+ } else {
+ if(ltt_time_compare(tfc->timestamp, ltt_time_infinite) == 0) {
+ ret = 1;
+ } else {
+ LttEvent *event = ltt_tracefile_get_event(tfc->tf);
- if(unlikely(pos->t_pos[iter_trace].nb_tracefile != nb_tracefile))
- g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match.");
-
- for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) {
- tfc = g_array_index(tc->tracefiles, LttvTracefileContext*,
- iter_tracefile);
- event = ltt_tracefile_get_event(tfc->tf);
- ret = ltt_event_position_compare((LttEventPosition*)event,
- pos->t_pos[iter_trace].tf_pos[iter_tracefile]);
- if(ret != 0)
- return ret;
+ ret = ltt_event_position_compare((LttEventPosition*)event,
+ ep);
+ }
}
+ if(ret != 0) return ret;
+
}
return 0;
}
const LttvTracesetContextPosition *pos1,
const LttvTracesetContextPosition *pos2)
{
- guint nb_trace, nb_tracefile;
- guint iter_trace, iter_tracefile;
+ int i, j;
+ int ret;
- gint ret;
-
- nb_trace = pos1->nb_trace;
- if(unlikely(nb_trace != pos2->nb_trace))
- g_error("lttv_traceset_context_pos_pos_compare : nb_trace does not match.");
-
- for(iter_trace = 0 ; iter_trace < nb_trace ; iter_trace++) {
-
- nb_tracefile = pos1->t_pos[iter_trace].nb_tracefile;
- if(unlikely(nb_tracefile != pos2->t_pos[iter_trace].nb_tracefile))
- g_error("lttv_traceset_context_ctx_pos_compare : nb_tracefile does not match.");
-
- for(iter_tracefile = 0; iter_tracefile < nb_tracefile; iter_tracefile++) {
- ret = ltt_event_position_compare(
- pos1->t_pos[iter_trace].tf_pos[iter_tracefile],
- pos2->t_pos[iter_trace].tf_pos[iter_tracefile]);
- if(ret != 0)
- return ret;
+ if(pos1->ep->len == 0) {
+ if(pos2->ep->len == 0) return 0;
+ else return 1;
+ }
+ if(pos2->ep->len == 0)
+ return -1;
+
+ for(i=0;i<pos1->ep->len;i++) {
+ LttEventPosition *ep1 = g_array_index(pos1->ep, LttEventPosition*, i);
+ LttvTracefileContext *tfc1 = g_array_index(pos1->tfc,
+ LttvTracefileContext*, i);
+
+ if(ep1 != NULL) {
+ for(j=0;j<pos2->ep->len;j++) {
+ LttEventPosition *ep2 = g_array_index(pos2->ep, LttEventPosition*, j);
+ LttvTracefileContext *tfc2 = g_array_index(pos2->tfc,
+ LttvTracefileContext*, j);
+ if(tfc1 == tfc2) {
+ if(ep2 != NULL)
+ ret = ltt_event_position_compare(ep1, ep2);
+ else
+ ret = -1;
+
+ if(ret != 0) return ret;
+ }
+ }
+ } else {
+ for(j=0;j<pos2->ep->len;j++) {
+ LttEventPosition *ep2 = g_array_index(pos2->ep, LttEventPosition*, j);
+ LttvTracefileContext *tfc2 = g_array_index(pos2->tfc,
+ LttvTracefileContext*, j);
+ if(tfc1 == tfc2) {
+ if(ep2 != NULL) ret = 1;
+ }
+ }
}
}
return 0;
return tfc;
}
+
+/* lttv_process_traceset_synchronize_tracefiles
+ *
+ * Use the sync_position field of the trace set context to synchronize each
+ * tracefile with the previously saved position.
+ *
+ * If no previous position has been saved, it simply does nothing.
+ */
+void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc)
+{
+ g_assert(lttv_process_traceset_seek_position(tsc, tsc->sync_position) == 0);
+}
+
+
+
+
+void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc)
+{
+ lttv_traceset_context_position_save(tsc, tsc->sync_position);
+}
+