#endif
#include <string.h>
+#include <lttv/lttv.h>
#include <lttv/tracecontext.h>
#include <ltt/event.h>
-#include <ltt/facility.h>
#include <ltt/trace.h>
-#include <ltt/type.h>
#include <lttv/filter.h>
#include <errno.h>
tfc->event = lttv_hooks_new();
tfc->event_by_id = lttv_hooks_by_id_new();
tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ tfc->target_pid = -1;
}
{
GTree *pqueue = self->pqueue;
- guint fac_id, ev_id, id;
-
LttvTracefileContext *tfc;
LttEvent *e;
//enum read_state last_read_state = LAST_NONE;
- gboolean last_ret = FALSE; /* return value of the last hook list called */
+ gint last_ret = 0; /* return value of the last hook list called */
/* Get the next event from the pqueue, call its hooks,
reinsert in the pqueue the following event from the same tracefile
* 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);
+ tfc->target_pid = -1; /* unset target PID */
+ /* Hooks :
+ * return values : 0 : continue read, 1 : go to next position and stop read,
+ * 2 : stay at the current position and stop read */
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);
+ lttv_hooks_by_id_get(tfc->event_by_id, e->event_id), tfc);
+#if 0
+ /* This is buggy : it won't work well with state computation */
+ if(unlikely(last_ret == 2)) {
+ /* This is a case where we want to stay at this position and stop read. */
+ g_tree_insert(pqueue, tfc, tfc);
+ return count - 1;
+ }
+#endif //0
+ read_ret = ltt_tracefile_read(tfc->tf);
+
+
if(likely(!read_ret)) {
//g_debug("An event is ready");
tfc->timestamp = ltt_event_time(e);
}
-
+#if 0 // pmf: temporary disable
static LttField *
find_field(LttEventType *et, const GQuark field)
{
- LttType *t;
-
LttField *f;
- guint i, nb;
-
- GQuark name;
-
- /* Field is unset */
if(field == 0) 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(name == field) break;
+ f = ltt_eventtype_field_by_name(et, field);
+ if (!f) {
+ g_warning("Cannot find field %s in event %s.%s", g_quark_to_string(field),
+ g_quark_to_string(ltt_facility_name(ltt_eventtype_facility(et))),
+ g_quark_to_string(ltt_eventtype_name(et)));
}
- g_assert(i < nb);
- return ltt_field_member(f, i);
-}
-LttvTraceHookByFacility *lttv_trace_hook_get_fac(LttvTraceHook *th,
- guint facility_id)
-{
- return &g_array_index(th->fac_index, LttvTraceHookByFacility, facility_id);
+ return f;
}
+#endif
-/* Get the first facility corresponding to the name. As the types must be
- * compatible, it is relevant to use the field name and sizes of the first
- * facility to create data structures and assume the data will be compatible
- * thorough the trace */
-LttvTraceHookByFacility *lttv_trace_hook_get_first(LttvTraceHook *th)
+struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th)
{
- g_assert(th->fac_list->len > 0);
- return g_array_index(th->fac_list, LttvTraceHookByFacility*, 0);
+ return marker_get_info_from_id(t, th->id);
}
-/* 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, gpointer hook_data,
- LttvTraceHook *th)
+int lttv_trace_find_hook(LttTrace *t, GQuark marker_name,
+ GQuark fields[], LttvHook h, gpointer hook_data, GArray **trace_hooks)
{
- LttFacility *f;
-
- LttEventType *et, *first_et;
-
- GArray *facilities;
-
- 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,
- sizeof(LttvTraceHookByFacility),
- NUM_FACILITIES);
- th->fac_index = g_array_set_size(th->fac_index, NUM_FACILITIES);
-
- th->fac_list = g_array_sized_new(FALSE, TRUE,
- sizeof(LttvTraceHookByFacility*),
- facilities->len);
- th->fac_list = g_array_set_size(th->fac_list, facilities->len);
-
- 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, 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;
-
- ev_id = ltt_eventtype_id(et);
-
- thf->h = h;
- 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++) {
- fac_id = g_array_index(facilities, guint, i);
- f = ltt_trace_get_facility_by_num(t, fac_id);
-
- 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*, i) = thf;
- ev_id = ltt_eventtype_id(et);
- thf->h = h;
- 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))
- goto type_error;
-
- thf->f2 = find_field(et, field2);
- if(check_fields_compatibility(first_et, et,
- first_thf->f2, thf->f2))
- goto type_error;
-
- thf->f3 = find_field(et, field3);
- if(check_fields_compatibility(first_et, et,
- first_thf->f3, thf->f3))
- goto type_error;
- thf->hook_data = hook_data;
+ struct marker_info *info;
+ struct marker_field *field;
+ guint16 marker_id;
+ int init_array_size;
+
+ info = marker_get_info_from_name(t, marker_name);
+ if(unlikely(info == NULL)) {
+ return NULL;
}
- return 0;
-
-type_error:
- goto free;
-event_error:
- g_error("Event type does not exist for event %s",
- g_quark_to_string(event));
- goto free;
-facility_error:
- g_error("No %s facility", g_quark_to_string(facility));
- goto free;
-free:
- g_array_free(th->fac_index, TRUE);
- g_array_free(th->fac_list, TRUE);
- th->fac_index = NULL;
- th->fac_list = NULL;
- return -1;
+ init_array_size = (*trace_hooks)->len;
+
+ /* for each marker with the requested name */
+ do {
+ LttvTraceHook tmpth;
+ int found;
+ GQuark f;
+
+ marker_id = marker_get_id_from_info(t, info);
+
+ tmpth.h = h;
+ tmpth.id = marker_id;
+ tmpth.hook_data = hook_data;
+ tmpth.fields = g_ptr_array_new();
+
+ /* for each field requested */
+ for(f = fields; *f != 0; f++) {
+ found = 0;
+ for_each_marker_field(marker_field, info) {
+ if(marker_fieldfield->name == *f) {
+ found = 1;
+ g_ptr_array_add(tmpth.fields, marker_field);
+ break;
+ }
+ }
+ if(!found) {
+ /* Did not find the one of the fields in this instance of the
+ marker. Print a warning and skip this marker completely.
+ Still iterate on other markers with same name. */
+ g_ptr_array_free(tmpth.fields, TRUE);
+ g_warning("Field %s cannot be found in marker %s",
+ g_quark_to_string(*f), g_quark_to_string(marker_name));
+ goto skip_marker;
+ }
+ }
+ /* all fields were found: add the tracehook to the array */
+ *trace_hooks = g_array_append_val(*trace_hooks, tmpth);
+skip_marker:
+ info = info->next;
+ } while(info != NULL);
+
+ /* Error if no new trace hook has been added */
+ return (init_array_size == (*trace_hooks)->len);
}
-void lttv_trace_hook_destroy(LttvTraceHook *th)
+void lttv_trace_hook_destroy(GArray **th)
{
- g_array_free(th->fac_index, TRUE);
- g_array_free(th->fac_list, TRUE);
+ int i;
+ for(i=0; i<th->len; i++) {
+ g_ptr_array_free(g_array_index(th, LttvTraceHook, i).fields, TRUE);
+ }
+ *th = g_array_remove_range(*th, 0, th->len);
}
-
-
-
LttvTracesetContextPosition *lttv_traceset_context_position_new(
const LttvTracesetContext *self)
{
const LttvTracesetContextPosition *pos2)
{
int i, j;
- int ret;
+ int ret = 0;
- if(pos1->tfcp->len == 0) {
- if(pos2->tfcp->len == 0) return 0;
- else return 1;
+ if(ltt_time_compare(pos1->timestamp, ltt_time_infinite) == 0) {
+ if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0)
+ return 0;
+ else
+ return 1;
}
- if(pos2->tfcp->len == 0)
+ if(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0)
return -1;
for(i=0;i<pos1->tfcp->len;i++) {
guint events_found;
guint n; /* number of events requested */
GPtrArray *array; /* array of LttvTracesetContextPositions pointers */
- LttvFilter *filter;
+ LttvFilter *filter1;
+ LttvFilter *filter2;
+ LttvFilter *filter3;
+ gpointer data;
+ check_handler *check;
+ gboolean *stop_flag;
+ guint raw_event_count;
};
static gint seek_back_event_hook(void *hook_data, void* call_data)
LttvTracesetContext *tsc = tfc->t_context->ts_context;
LttvTracesetContextPosition *pos;
- if(sd->filter != NULL && sd->filter->head != NULL) {
- if(!lttv_filter_tree_parse(sd->filter->head,
+ if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data))
+ return TRUE;
+ sd->raw_event_count++;
+
+ if(sd->filter1 != NULL && sd->filter1->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter1->head,
ltt_tracefile_get_event(tfc->tf),
tfc->tf,
tfc->t_context->t,
- tfc))
- return FALSE;
+ tfc,NULL,NULL)) {
+ return FALSE;
}
-
+ if(sd->filter2 != NULL && sd->filter2->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter2->head,
+ ltt_tracefile_get_event(tfc->tf),
+ tfc->tf,
+ tfc->t_context->t,
+ tfc,NULL,NULL)) {
+ return FALSE;
+ }
+ if(sd->filter3 != NULL && sd->filter3->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter3->head,
+ ltt_tracefile_get_event(tfc->tf),
+ tfc->tf,
+ tfc->t_context->t,
+ tfc,NULL,NULL)) {
+ return FALSE;
+ }
+
pos = (LttvTracesetContextPosition*)g_ptr_array_index (sd->array,
sd->first_event);
guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self,
guint n, LttTime first_offset,
seek_time_fct time_seeker,
- LttvFilter *filter)
+ check_handler *check,
+ gboolean *stop_flag,
+ LttvFilter *filter1,
+ LttvFilter *filter2,
+ LttvFilter *filter3,
+ gpointer data)
{
if(lttv_traceset_number(self->ts) == 0) return 0;
g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0);
LttvTracesetContextPosition *saved_pos =
lttv_traceset_context_position_new(self);
LttTime time;
+ LttTime asked_time;
LttTime time_offset;
struct seek_back_data sd;
LttvHooks *hooks = lttv_hooks_new();
sd.first_event = 0;
sd.events_found = 0;
sd.array = g_ptr_array_sized_new(n);
- sd.filter = filter;
+ sd.filter1 = filter1;
+ sd.filter2 = filter2;
+ sd.filter3 = filter3;
+ sd.data = data;
sd.n = n;
+ sd.check = check;
+ sd.stop_flag = stop_flag;
+ sd.raw_event_count = 0;
g_ptr_array_set_size(sd.array, n);
for(i=0;i<n;i++) {
g_ptr_array_index (sd.array, i) = lttv_traceset_context_position_new(self);
if(ltt_time_compare(time, self->time_span.end_time) > 0) {
time = self->time_span.end_time;
}
+ asked_time = time;
time_offset = first_offset;
lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT);
while(1) {
/* stop criteria : - n events found
- * - time < beginning of trace */
- if(ltt_time_compare(time, self->time_span.start_time) < 0) break;
+ * - asked_time < beginning of trace */
+ if(ltt_time_compare(asked_time, self->time_span.start_time) < 0) break;
lttv_traceset_context_position_copy(end_pos, next_iter_end_pos);
/* We must seek the traceset back to time - time_offset */
/* this time becomes the new reference time */
time = ltt_time_sub(time, time_offset);
+ asked_time = time;
time_seeker(self, time);
lttv_traceset_context_position_save(self, next_iter_end_pos);
struct seek_forward_data {
guint event_count; /* event counter */
guint n; /* requested number of events to jump over */
- LttvFilter *filter;
+ LttvFilter *filter1;
+ LttvFilter *filter2;
+ LttvFilter *filter3;
+ gpointer data;
+ check_handler *check;
+ gboolean *stop_flag;
+ guint raw_event_count; /* event counter */
};
static gint seek_forward_event_hook(void *hook_data, void* call_data)
struct seek_forward_data *sd = (struct seek_forward_data*)hook_data;
LttvTracefileContext *tfc = (LttvTracefileContext*)call_data;
- if(sd->filter != NULL) {
- if(!lttv_filter_tree_parse(sd->filter->head,
+ if(sd->check && sd->check(sd->raw_event_count, sd->stop_flag, sd->data))
+ return TRUE;
+ sd->raw_event_count++;
+
+ if(sd->filter1 != NULL && sd->filter1->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter1->head,
ltt_tracefile_get_event(tfc->tf),
tfc->tf,
tfc->t_context->t,
- tfc))
- return FALSE;
+ tfc,NULL,NULL)) {
+ return FALSE;
+ }
+ if(sd->filter2 != NULL && sd->filter2->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter2->head,
+ ltt_tracefile_get_event(tfc->tf),
+ tfc->tf,
+ tfc->t_context->t,
+ tfc,NULL,NULL)) {
+ return FALSE;
+ }
+ if(sd->filter3 != NULL && sd->filter3->head != NULL &&
+ !lttv_filter_tree_parse(sd->filter3->head,
+ ltt_tracefile_get_event(tfc->tf),
+ tfc->tf,
+ tfc->t_context->t,
+ tfc,NULL,NULL)) {
+ return FALSE;
}
-
- sd->event_count++;
+ sd->event_count++;
if(sd->event_count >= sd->n)
- return TRUE;
- else
- return FALSE;
+ return TRUE;
}
-/* Seek back n events forward from the current position
+/* Seek back n events forward from the current position (1 to n)
+ * 0 is ok too, but it will actually do nothing.
*
* Parameters :
* @self the trace set context
* returns : the number of events jumped over (may be less than requested if end
* of traceset reached) */
guint lttv_process_traceset_seek_n_forward(LttvTracesetContext *self,
- guint n, LttvFilter *filter)
+ guint n,
+ check_handler *check,
+ gboolean *stop_flag,
+ LttvFilter *filter1,
+ LttvFilter *filter2,
+ LttvFilter *filter3,
+ gpointer data)
{
struct seek_forward_data sd;
sd.event_count = 0;
sd.n = n;
- sd.filter = filter;
+ sd.filter1 = filter1;
+ sd.filter2 = filter2;
+ sd.filter3 = filter3;
+ sd.data = data;
+ sd.check = check;
+ sd.stop_flag = stop_flag;
+ sd.raw_event_count = 0;
+
+ if(sd.event_count >= sd.n) return sd.event_count;
+
LttvHooks *hooks = lttv_hooks_new();
lttv_hooks_add(hooks, seek_forward_event_hook, &sd, LTTV_PRIO_DEFAULT);
G_MAXUINT, NULL);
/* Here, our position is either the end of traceset, or the exact position
- * after n events : leave it like this. */
+ * after n events : leave it like this. This might be placed on an event that
+ * will be filtered out, we don't care : all we know is that the following
+ * event filtered in will be the right one. */
lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL);
projects / lttv.git / blobdiff