#include <ltt/trace.h>
#include <lttv/filter.h>
#include <errno.h>
+#include <ltt/time.h>
gint compare_tracefile(gconstpointer a, gconstpointer b)
{
- gint comparison = 0;
-
- const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a;
- const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b;
-
- if(likely(trace_a != trace_b)) {
- comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp);
- if(unlikely(comparison == 0)) {
- if(trace_a->index < trace_b->index) comparison = -1;
- else if(trace_a->index > trace_b->index) comparison = 1;
- else if(trace_a->t_context->index < trace_b->t_context->index)
- comparison = -1;
- else if(trace_a->t_context->index > trace_b->t_context->index)
- comparison = 1;
- }
- }
- return comparison;
+ gint comparison = 0;
+
+ const LttvTracefileContext *trace_a = (const LttvTracefileContext *)a;
+ const LttvTracefileContext *trace_b = (const LttvTracefileContext *)b;
+
+ if(likely(trace_a != trace_b)) {
+ comparison = ltt_time_compare(trace_a->timestamp, trace_b->timestamp);
+ if(unlikely(comparison == 0)) {
+ if(trace_a->index < trace_b->index) comparison = -1;
+ else if(trace_a->index > trace_b->index) comparison = 1;
+ else if(trace_a->t_context->index < trace_b->t_context->index)
+ comparison = -1;
+ else if(trace_a->t_context->index > trace_b->t_context->index)
+ comparison = 1;
+ }
+ }
+ return comparison;
}
typedef struct _LttvTracefileContextPosition {
- LttEventPosition *event;
- LttvTracefileContext *tfc;
- gboolean used; /* Tells if the tfc is at end of traceset position */
+ LttEventPosition *event;
+ LttvTracefileContext *tfc;
+ gboolean used; /* Tells if the tfc is at end of traceset position */
} LttvTracefileContextPosition;
struct _LttvTracesetContextPosition {
- GArray *tfcp; /* Array of LttvTracefileContextPosition */
- 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) */
+ GArray *tfcp; /* Array of LttvTracefileContextPosition */
+ 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)
{
- LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts);
+ LTTV_TRACESET_CONTEXT_GET_CLASS(self)->init(self, ts);
}
void lttv_context_fini(LttvTracesetContext *self)
{
- LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self);
+ LTTV_TRACESET_CONTEXT_GET_CLASS(self)->fini(self);
}
LttvTracesetContext *
lttv_context_new_traceset_context(LttvTracesetContext *self)
{
- return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self);
+ return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_traceset_context(self);
}
LttvTraceContext *
lttv_context_new_trace_context(LttvTracesetContext *self)
{
- return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self);
+ return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_trace_context(self);
}
LttvTracefileContext *
lttv_context_new_tracefile_context(LttvTracesetContext *self)
{
- return LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self);
+ 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
+ * Keep the time span in 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
*
* Author : Xang Xiu Yang
***************************************************************************/
-static void lttv_traceset_context_compute_time_span(
- LttvTracesetContext *self,
- TimeInterval *time_span)
+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;
-
- time_span->start_time.tv_sec = 0;
- time_span->start_time.tv_nsec = 0;
- time_span->end_time.tv_sec = 0;
- time_span->end_time.tv_nsec = 0;
-
- for(i=0; i<numTraces;i++){
- tc = self->traces[i];
- trace = tc->t;
-
- ltt_trace_time_span_get(trace, &s, &e);
- tc->time_span.start_time = s;
- tc->time_span.end_time = e;
-
- if(i==0){
- time_span->start_time = s;
- time_span->end_time = e;
- }else{
- if(s.tv_sec < time_span->start_time.tv_sec
- || (s.tv_sec == time_span->start_time.tv_sec
- && s.tv_nsec < time_span->start_time.tv_nsec))
- time_span->start_time = s;
- if(e.tv_sec > time_span->end_time.tv_sec
- || (e.tv_sec == time_span->end_time.tv_sec
- && e.tv_nsec > time_span->end_time.tv_nsec))
- time_span->end_time = e;
- }
- }
+ LttvTraceset * traceset = self->ts;
+ int numTraces = lttv_traceset_number(traceset);
+ int i;
+ LttTime s, e;
+ LttvTraceContext *tc;
+ LttTrace * trace;
+
+ time_span->start_time.tv_sec = 0;
+ time_span->start_time.tv_nsec = 0;
+ time_span->end_time.tv_sec = 0;
+ time_span->end_time.tv_nsec = 0;
+
+ for(i=0; i<numTraces;i++){
+ tc = self->traces[i];
+ trace = tc->t;
+
+ ltt_trace_time_span_get(trace, &s, &e);
+ tc->time_span.start_time = s;
+ tc->time_span.end_time = e;
+
+ if(i==0){
+ time_span->start_time = s;
+ time_span->end_time = e;
+ } else {
+ if(s.tv_sec < time_span->start_time.tv_sec
+ || (s.tv_sec == time_span->start_time.tv_sec
+ && s.tv_nsec < time_span->start_time.tv_nsec))
+ time_span->start_time = s;
+ if(e.tv_sec > time_span->end_time.tv_sec
+ || (e.tv_sec == time_span->end_time.tv_sec
+ && e.tv_nsec > time_span->end_time.tv_nsec))
+ time_span->end_time = e;
+ }
+ }
}
static void init_tracefile_context(LttTracefile *tracefile,
- LttvTraceContext *tc)
+ LttvTraceContext *tc)
{
- LttvTracefileContext *tfc;
- LttvTracesetContext *tsc = tc->ts_context;
-
- tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc);
+ LttvTracefileContext *tfc;
+ LttvTracesetContext *tsc = tc->ts_context;
- tfc->index = tc->tracefiles->len;
- tc->tracefiles = g_array_append_val(tc->tracefiles, tfc);
+ tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(tsc)->new_tracefile_context(tsc);
- tfc->tf = tracefile;
+ tfc->index = tc->tracefiles->len;
+ tc->tracefiles = g_array_append_val(tc->tracefiles, tfc);
- tfc->t_context = tc;
- 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;
+ tfc->tf = tracefile;
+
+ tfc->t_context = tc;
+ 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;
}
static void
init(LttvTracesetContext *self, LttvTraceset *ts)
{
- guint i, nb_trace;
-
- LttvTraceContext *tc;
-
- GData **tracefiles_groups;
-
- struct compute_tracefile_group_args args;
-
- nb_trace = lttv_traceset_number(ts);
- self->ts = ts;
- self->traces = g_new(LttvTraceContext *, nb_trace);
- 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->vt = lttv_traceset_get(ts, i);
- tc->t = lttv_trace(tc->vt);
- tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- tc->t_a = lttv_trace_attribute(tc->vt);
- tc->tracefiles = g_array_sized_new(FALSE, TRUE,
- 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;
-
- g_datalist_foreach(tracefiles_groups,
- (GDataForeachFunc)compute_tracefile_group,
- &args);
- }
-
+ guint i, nb_trace;
+
+ LttvTraceContext *tc;
+
+ GData **tracefiles_groups;
+
+ struct compute_tracefile_group_args args;
+
+ nb_trace = lttv_traceset_number(ts);
+ self->ts = ts;
+ self->traces = g_new(LttvTraceContext *, nb_trace);
+ 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->vt = lttv_traceset_get(ts, i);
+ tc->t = lttv_trace(tc->vt);
+ tc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ tc->t_a = lttv_trace_attribute(tc->vt);
+ tc->tracefiles = g_array_sized_new(FALSE, TRUE,
+ 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;
+
+ g_datalist_foreach(tracefiles_groups,
+ (GDataForeachFunc)compute_tracefile_group,
+ &args);
+ }
+
#if 0
- 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;
- tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile);
-
- for(j = 0 ; j < nb_tracefile ; j++) {
- tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self);
- tc->tracefiles[j] = tfc;
- tfc->index = j;
-
- if(j < nb_control) {
- tfc->control = TRUE;
- tfc->tf = ltt_trace_control_tracefile_get(tc->t, j);
- }
- else {
- tfc->control = FALSE;
- tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control);
- }
-
- tfc->t_context = tc;
- tfc->e = ltt_event_new();
- tfc->event = lttv_hooks_new();
- tfc->event_by_id = lttv_hooks_by_id_new();
- tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
- }
+ 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;
+ tc->tracefiles = g_new(LttvTracefileContext *, nb_tracefile);
+
+ for(j = 0 ; j < nb_tracefile ; j++) {
+ tfc = LTTV_TRACESET_CONTEXT_GET_CLASS(self)->new_tracefile_context(self);
+ tc->tracefiles[j] = tfc;
+ tfc->index = j;
+
+ if(j < nb_control) {
+ tfc->control = TRUE;
+ tfc->tf = ltt_trace_control_tracefile_get(tc->t, j);
+ } else {
+ tfc->control = FALSE;
+ tfc->tf = ltt_trace_per_cpu_tracefile_get(tc->t, j - nb_control);
+ }
+
+ tfc->t_context = tc;
+ tfc->e = ltt_event_new();
+ tfc->event = lttv_hooks_new();
+ tfc->event_by_id = lttv_hooks_by_id_new();
+ tfc->a = g_object_new(LTTV_ATTRIBUTE_TYPE, NULL);
+ }
#endif //0
- }
- self->sync_position = lttv_traceset_context_position_new(self);
- self->pqueue = g_tree_new(compare_tracefile);
- lttv_process_traceset_seek_time(self, ltt_time_zero);
- lttv_traceset_context_compute_time_span(self, &self->time_span);
+ }
+ self->sync_position = lttv_traceset_context_position_new(self);
+ self->pqueue = g_tree_new(compare_tracefile);
+ lttv_process_traceset_seek_time(self, ltt_time_zero);
+ lttv_traceset_context_compute_time_span(self, &self->time_span);
}
void fini(LttvTracesetContext *self)
{
- guint i, j, nb_trace, nb_tracefile;
+ guint i, j, nb_trace, nb_tracefile;
- LttvTraceContext *tc;
+ LttvTraceContext *tc;
- LttvTracefileContext **tfc;
+ LttvTracefileContext **tfc;
- LttvTraceset *ts = self->ts;
+ LttvTraceset *ts = self->ts;
- g_tree_destroy(self->pqueue);
- g_object_unref(self->a);
- lttv_traceset_context_position_destroy(self->sync_position);
+ 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_trace = lttv_traceset_number(ts);
- for(i = 0 ; i < nb_trace ; i++) {
- tc = self->traces[i];
+ for(i = 0 ; i < nb_trace ; i++) {
+ tc = self->traces[i];
- g_object_unref(tc->a);
+ g_object_unref(tc->a);
- nb_tracefile = tc->tracefiles->len;
+ 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);
- }
- g_array_free(tc->tracefiles, TRUE);
- g_object_unref(tc);
- }
- g_free(self->traces);
+ 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);
+ }
+ g_array_free(tc->tracefiles, TRUE);
+ g_object_unref(tc);
+ }
+ g_free(self->traces);
}
void lttv_traceset_context_add_hooks(LttvTracesetContext *self,
- LttvHooks *before_traceset,
- LttvHooks *before_trace,
- LttvHooks *before_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *before_traceset,
+ LttvHooks *before_trace,
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- LttvTraceset *ts = self->ts;
+ LttvTraceset *ts = self->ts;
- guint i, nb_trace;
+ guint i, nb_trace;
- LttvTraceContext *tc;
+ LttvTraceContext *tc;
- lttv_hooks_call(before_traceset, self);
+ lttv_hooks_call(before_traceset, self);
- nb_trace = lttv_traceset_number(ts);
+ nb_trace = lttv_traceset_number(ts);
- for(i = 0 ; i < nb_trace ; i++) {
- tc = self->traces[i];
- lttv_trace_context_add_hooks(tc,
- before_trace,
- before_tracefile,
- event,
- event_by_id_channel);
- }
+ for(i = 0 ; i < nb_trace ; i++) {
+ tc = self->traces[i];
+ lttv_trace_context_add_hooks(tc,
+ before_trace,
+ before_tracefile,
+ event,
+ event_by_id_channel);
+ }
}
void lttv_traceset_context_remove_hooks(LttvTracesetContext *self,
- LttvHooks *after_traceset,
- LttvHooks *after_trace,
- LttvHooks *after_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *after_traceset,
+ LttvHooks *after_trace,
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- LttvTraceset *ts = self->ts;
+ LttvTraceset *ts = self->ts;
- guint i, nb_trace;
+ guint i, nb_trace;
- LttvTraceContext *tc;
+ LttvTraceContext *tc;
- nb_trace = lttv_traceset_number(ts);
+ nb_trace = lttv_traceset_number(ts);
- for(i = 0 ; i < nb_trace ; i++) {
- tc = self->traces[i];
- lttv_trace_context_remove_hooks(tc,
- after_trace,
- after_tracefile,
- event,
- event_by_id_channel);
- }
+ for(i = 0 ; i < nb_trace ; i++) {
+ tc = self->traces[i];
+ lttv_trace_context_remove_hooks(tc,
+ after_trace,
+ after_tracefile,
+ event,
+ event_by_id_channel);
+ }
- lttv_hooks_call(after_traceset, self);
+ lttv_hooks_call(after_traceset, self);
}
void lttv_trace_context_add_hooks(LttvTraceContext *self,
- LttvHooks *before_trace,
- LttvHooks *before_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *before_trace,
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- guint i, j, nb_tracefile;
- LttvTracefileContext **tfc;
- LttTracefile *tf;
-
- 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);
- tf = (*tfc)->tf;
- lttv_tracefile_context_add_hooks(*tfc,
- before_tracefile,
- event,
- NULL);
- if (event_by_id_channel) {
- for(j = 0; j < event_by_id_channel->array->len; j++) {
- LttvHooksByIdChannel *hooks = &g_array_index(event_by_id_channel->array,
- LttvHooksByIdChannel, j);
- if (tf->name == hooks->channel)
- lttv_tracefile_context_add_hooks(*tfc,
- NULL,
- NULL,
- hooks->hooks_by_id);
- }
- }
- }
+ guint i, j, nb_tracefile;
+ LttvTracefileContext **tfc;
+ LttTracefile *tf;
+
+ 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);
+ tf = (*tfc)->tf;
+ lttv_tracefile_context_add_hooks(*tfc,
+ before_tracefile,
+ event,
+ NULL);
+ if (event_by_id_channel) {
+ for(j = 0; j < event_by_id_channel->array->len; j++) {
+ LttvHooksByIdChannel *hooks =
+ &g_array_index(event_by_id_channel->array,
+ LttvHooksByIdChannel, j);
+ if (tf->name == hooks->channel)
+ lttv_tracefile_context_add_hooks(*tfc,
+ NULL,
+ NULL,
+ hooks->hooks_by_id);
+ }
+ }
+ }
}
void lttv_trace_context_remove_hooks(LttvTraceContext *self,
- LttvHooks *after_trace,
- LttvHooks *after_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *after_trace,
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- guint i, j, nb_tracefile;
- LttvTracefileContext **tfc;
- LttTracefile *tf;
-
- nb_tracefile = self->tracefiles->len;
-
- for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
- tf = (*tfc)->tf;
- if (event_by_id_channel) {
- for(j = 0; j < event_by_id_channel->array->len; j++) {
- LttvHooksByIdChannel *hooks = &g_array_index(event_by_id_channel->array,
- LttvHooksByIdChannel, j);
- if (tf->name == hooks->channel)
- lttv_tracefile_context_remove_hooks(*tfc,
- NULL,
- NULL,
- hooks->hooks_by_id);
- }
- }
- lttv_tracefile_context_remove_hooks(*tfc,
- after_tracefile,
- event,
- NULL);
-
- }
-
- lttv_hooks_call(after_trace, self);
+ guint i, j, nb_tracefile;
+ LttvTracefileContext **tfc;
+ LttTracefile *tf;
+
+ nb_tracefile = self->tracefiles->len;
+
+ for(i = 0 ; i < nb_tracefile ; i++) {
+ tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+ tf = (*tfc)->tf;
+ if (event_by_id_channel) {
+ for(j = 0; j < event_by_id_channel->array->len; j++) {
+ LttvHooksByIdChannel *hooks =
+ &g_array_index(event_by_id_channel->array,
+ LttvHooksByIdChannel, j);
+ if (tf->name == hooks->channel)
+ lttv_tracefile_context_remove_hooks(*tfc,
+ NULL,
+ NULL,
+ hooks->hooks_by_id);
+ }
+ }
+ lttv_tracefile_context_remove_hooks(*tfc,
+ after_tracefile,
+ event,
+ NULL);
+
+ }
+
+ lttv_hooks_call(after_trace, self);
}
void lttv_tracefile_context_add_hooks(LttvTracefileContext *self,
- LttvHooks *before_tracefile,
- LttvHooks *event,
- LttvHooksById *event_by_id)
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id)
{
- 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 < 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));
- }
- }
+ 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 < 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 *after_tracefile,
- LttvHooks *event,
- LttvHooksById *event_by_id)
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksById *event_by_id)
{
- guint i, index;
-
- LttvHooks *hook;
-
- lttv_hooks_remove_list(self->event, event);
- 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, index));
- }
- }
-
- lttv_hooks_call(after_tracefile, self);
+ guint i, index;
+
+ LttvHooks *hook;
+
+ lttv_hooks_remove_list(self->event, event);
+ 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, index));
+ }
+ }
+
+ lttv_hooks_call(after_tracefile, self);
}
-static LttvTracesetContext *
-new_traceset_context(LttvTracesetContext *self)
+static LttvTracesetContext *new_traceset_context(LttvTracesetContext *self)
{
- return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL);
+ return g_object_new(LTTV_TRACESET_CONTEXT_TYPE, NULL);
}
-static LttvTraceContext *
-new_trace_context(LttvTracesetContext *self)
+static LttvTraceContext *new_trace_context(LttvTracesetContext *self)
{
- return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL);
+ return g_object_new(LTTV_TRACE_CONTEXT_TYPE, NULL);
}
-static LttvTracefileContext *
-new_tracefile_context(LttvTracesetContext *self)
+static LttvTracefileContext *new_tracefile_context(LttvTracesetContext *self)
{
- return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL);
+ return g_object_new(LTTV_TRACEFILE_CONTEXT_TYPE, NULL);
}
-static void
-traceset_context_instance_init (GTypeInstance *instance, gpointer g_class)
+static void traceset_context_instance_init(GTypeInstance *instance,
+ gpointer g_class)
{
- /* Be careful of anything which would not work well with shallow copies */
+ /* Be careful of anything which would not work well with shallow copies */
}
-static void
-traceset_context_finalize (LttvTracesetContext *self)
+static void traceset_context_finalize(LttvTracesetContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE)))
- ->finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACESET_CONTEXT_TYPE)))
+ ->finalize(G_OBJECT(self));
}
-static void
-traceset_context_class_init (LttvTracesetContextClass *klass)
+static void traceset_context_class_init(LttvTracesetContextClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
-
- gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize;
- klass->init = init;
- klass->fini = fini;
- klass->new_traceset_context = new_traceset_context;
- klass->new_trace_context = new_trace_context;
- klass->new_tracefile_context = new_tracefile_context;
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+
+ gobject_class->finalize = (void (*)(GObject *self))traceset_context_finalize;
+ klass->init = init;
+ klass->fini = 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_context_get_type(void)
+GType lttv_traceset_context_get_type(void)
{
- static GType type = 0;
- if (type == 0) {
- static const GTypeInfo info = {
- sizeof (LttvTracesetContextClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) traceset_context_class_init, /* class_init */
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (LttvTracesetContext),
- 0, /* n_preallocs */
- (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */
- NULL /* Value handling */
- };
-
- type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType",
- &info, 0);
- }
- return type;
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTracesetContextClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) traceset_context_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTracesetContext),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) traceset_context_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (G_TYPE_OBJECT, "LttvTracesetContextType",
+ &info, 0);
+ }
+ return type;
}
static void
trace_context_instance_init (GTypeInstance *instance, gpointer g_class)
{
- /* Be careful of anything which would not work well with shallow copies */
+ /* Be careful of anything which would not work well with shallow copies */
}
-static void
-trace_context_finalize (LttvTraceContext *self)
+static void trace_context_finalize (LttvTraceContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))->
- finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACE_CONTEXT_TYPE)))->
+ finalize(G_OBJECT(self));
}
-static void
-trace_context_class_init (LttvTraceContextClass *klass)
+static void trace_context_class_init (LttvTraceContextClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
- gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize;
+ gobject_class->finalize = (void (*)(GObject *self)) trace_context_finalize;
}
-GType
-lttv_trace_context_get_type(void)
+GType lttv_trace_context_get_type(void)
{
- static GType type = 0;
- if (type == 0) {
- static const GTypeInfo info = {
- sizeof (LttvTraceContextClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) trace_context_class_init, /* class_init */
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (LttvTraceContext),
- 0, /* n_preallocs */
- (GInstanceInitFunc) trace_context_instance_init, /* instance_init */
- NULL /* Value handling */
- };
-
- type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType",
- &info, 0);
- }
- return type;
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTraceContextClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) trace_context_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTraceContext),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) trace_context_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (G_TYPE_OBJECT, "LttvTraceContextType",
+ &info, 0);
+ }
+ return type;
}
-static void
-tracefile_context_instance_init (GTypeInstance *instance, gpointer g_class)
+static void tracefile_context_instance_init (GTypeInstance *instance,
+ gpointer g_class)
{
- /* Be careful of anything which would not work well with shallow copies */
+ /* Be careful of anything which would not work well with shallow copies */
}
-static void
-tracefile_context_finalize (LttvTracefileContext *self)
+static void tracefile_context_finalize (LttvTracefileContext *self)
{
- G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE)))
- ->finalize(G_OBJECT(self));
+ G_OBJECT_CLASS(g_type_class_peek(g_type_parent(LTTV_TRACEFILE_CONTEXT_TYPE)))
+ ->finalize(G_OBJECT(self));
}
-static void
-tracefile_context_class_init (LttvTracefileContextClass *klass)
+static void tracefile_context_class_init (LttvTracefileContextClass *klass)
{
- GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
+ GObjectClass *gobject_class = G_OBJECT_CLASS(klass);
- gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize;
+ gobject_class->finalize = (void (*)(GObject *self))tracefile_context_finalize;
}
-GType
-lttv_tracefile_context_get_type(void)
+GType lttv_tracefile_context_get_type(void)
{
- static GType type = 0;
- if (type == 0) {
- static const GTypeInfo info = {
- sizeof (LttvTracefileContextClass),
- NULL, /* base_init */
- NULL, /* base_finalize */
- (GClassInitFunc) tracefile_context_class_init, /* class_init */
- NULL, /* class_finalize */
- NULL, /* class_data */
- sizeof (LttvTracefileContext),
- 0, /* n_preallocs */
- (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */
- NULL /* Value handling */
- };
-
- type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType",
- &info, 0);
- }
- return type;
+ static GType type = 0;
+ if (type == 0) {
+ static const GTypeInfo info = {
+ sizeof (LttvTracefileContextClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) tracefile_context_class_init, /* class_init */
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (LttvTracefileContext),
+ 0, /* n_preallocs */
+ (GInstanceInitFunc) tracefile_context_instance_init, /* instance_init */
+ NULL /* Value handling */
+ };
+
+ type = g_type_register_static (G_TYPE_OBJECT, "LttvTracefileContextType",
+ &info, 0);
+ }
+ return type;
}
static gboolean get_first(gpointer key, gpointer value, gpointer user_data) {
- g_assert(key == value);
- *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value;
- return TRUE;
+ g_assert(key == value);
+ *((LttvTracefileContext **)user_data) = (LttvTracefileContext *)value;
+ return TRUE;
}
#ifdef DEBUG
static gboolean test_tree(gpointer key, gpointer value, gpointer user_data) {
- LttvTracefileContext *tfc = (LttvTracefileContext *)key;
-
- 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);
-
- 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;
+ LttvTracefileContext *tfc = (LttvTracefileContext *)key;
+
+ 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);
+
+ 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
void lttv_process_traceset_begin(LttvTracesetContext *self,
- LttvHooks *before_traceset,
- LttvHooks *before_trace,
- LttvHooks *before_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *before_traceset,
+ LttvHooks *before_trace,
+ LttvHooks *before_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- /* simply add hooks in context. _before hooks are called by add_hooks. */
- /* It calls all before_traceset, before_trace, and before_tracefile hooks. */
- lttv_traceset_context_add_hooks(self,
- before_traceset,
- before_trace,
- before_tracefile,
- event,
- event_by_id_channel);
-
+ /* simply add hooks in context. _before hooks are called by add_hooks. */
+ /* It calls all before_traceset, before_trace, and before_tracefile hooks. */
+ lttv_traceset_context_add_hooks(self,
+ before_traceset,
+ before_trace,
+ before_tracefile,
+ event,
+ event_by_id_channel);
+
}
//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,
- gulong nb_events,
- const LttvTracesetContextPosition *end_position)
+ LttTime end,
+ gulong nb_events,
+ const LttvTracesetContextPosition *end_position)
{
- GTree *pqueue = self->pqueue;
-
- LttvTracefileContext *tfc;
-
- LttEvent *e;
-
- unsigned count = 0;
-
- guint read_ret;
-
- //enum read_state last_read_state = LAST_NONE;
-
- 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
- unless the tracefile is finished or the event is later than the
- end time. */
-
- while(TRUE) {
- tfc = NULL;
- g_tree_foreach(pqueue, get_first, &tfc);
- /* End of traceset : tfc is NULL */
- if(unlikely(tfc == NULL))
- {
- return count;
- }
-
- /* Have we reached :
- * - the maximum number of events specified?
- * - the end position ?
- * - the end time ?
- * then the read is finished. We leave the queue in the same state and
- * break the loop.
- */
-
- if(unlikely(last_ret == TRUE ||
- ((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. */
+ GTree *pqueue = self->pqueue;
+
+ LttvTracefileContext *tfc;
+
+ LttEvent *e;
+
+ unsigned count = 0;
+
+ gboolean is_live = FALSE; /* set this flag if we detect a live trace */
+
+ guint read_ret;
+
+ //enum read_state last_read_state = LAST_NONE;
+
+ 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
+ unless the tracefile is finished or the event is later than the
+ end time. */
+
+ while(TRUE) {
+ tfc = NULL;
+ g_tree_foreach(pqueue, get_first, &tfc);
+ /* End of traceset : tfc is NULL */
+ if(unlikely(tfc == NULL))
+ {
+ break;
+ }
+
+ /* Have we reached :
+ * - the maximum number of events specified?
+ * - the end position ?
+ * - the end time ?
+ * then the read is finished. We leave the queue in the same state and
+ * break the loop.
+ */
+ if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0) {
+
+ break;
+ }
+ if(unlikely(last_ret == TRUE
+ || ((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))
+ {
+ 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. */
#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);
+ 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);
+ g_tree_remove(pqueue, tfc);
#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);
+ 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);
+ e = ltt_tracefile_get_event(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++;
-
- 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, e->event_id), tfc);
+ //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++;
+
+ 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, 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;
- }
+ /* 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);
+ count--;
+ break;
+ }
#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);
- g_assert(ltt_time_compare(tfc->timestamp, ltt_time_infinite) != 0);
- g_tree_insert(pqueue, tfc, 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);
+ if(tfc->tf->trace->is_live && ltt_time_compare(tfc->timestamp, tfc->tf->trace->live_safe_timestamp) >= 0)
+ {
+ is_live |= TRUE;
+ break;
+ }
#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);
+ 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");
- }
- }
+ //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");
+ }
+ }
+
+ if (unlikely((count == 0) && is_live)) {
+ return -1;
+ } else {
+ return count;
+ }
}
void lttv_process_traceset_end(LttvTracesetContext *self,
- LttvHooks *after_traceset,
- LttvHooks *after_trace,
- LttvHooks *after_tracefile,
- LttvHooks *event,
- LttvHooksByIdChannelArray *event_by_id_channel)
+ LttvHooks *after_traceset,
+ LttvHooks *after_trace,
+ LttvHooks *after_tracefile,
+ LttvHooks *event,
+ LttvHooksByIdChannelArray *event_by_id_channel)
{
- /* Remove hooks from context. _after hooks are called by remove_hooks. */
- /* It calls all after_traceset, after_trace, and after_tracefile hooks. */
- lttv_traceset_context_remove_hooks(self,
- after_traceset,
- after_trace,
- after_tracefile,
- event,
- event_by_id_channel);
+ /* Remove hooks from context. _after hooks are called by remove_hooks. */
+ /* It calls all after_traceset, after_trace, and after_tracefile hooks. */
+ lttv_traceset_context_remove_hooks(self,
+ after_traceset,
+ after_trace,
+ after_tracefile,
+ event,
+ event_by_id_channel);
}
/* Subtile modification :
*/
void lttv_process_trace_seek_time(LttvTraceContext *self, LttTime start)
{
- guint i, nb_tracefile;
+ guint i, nb_tracefile;
+
+ gint ret;
- gint ret;
-
- LttvTracefileContext **tfc;
+ LttvTracefileContext **tfc;
- nb_tracefile = self->tracefiles->len;
+ nb_tracefile = self->tracefiles->len;
- GTree *pqueue = self->ts_context->pqueue;
+ GTree *pqueue = self->ts_context->pqueue;
- for(i = 0 ; i < nb_tracefile ; i++) {
- tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+ for(i = 0 ; i < nb_tracefile ; i++) {
+ 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");
+ g_tree_remove(pqueue, *tfc);
- 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;
- }
- }
+ 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);
+ 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
}
+/****************************************************************************
+ * lttv_process_trace_update
+ *
+ * process the changes that occur in the trace. Use a regular file polling to
+ * monitor the tracefile.
+ *
+ * Return the number of tracefile updated
+ ***************************************************************************/
+guint lttv_process_trace_update(LttvTraceContext *self)
+{
+ guint i;
+ guint nb_tracefile = 0;
+
+ LttTracefile *tf = 0;
+ LttvTracefileContext **tfc;
+
+ /* Skip non live traces */
+ if(self->t->is_live) {
+
+ nb_tracefile = ltt_trace_update(self->t);
+
+ /* Recreate the pqueue following an update*/
+ GTree *pqueue = self->ts_context->pqueue;
+
+ for(i = 0 ; i < self->tracefiles->len ; i++) {
+ tfc = &g_array_index(self->tracefiles, LttvTracefileContext*, i);
+ tf = (*tfc)->tf;
+ if(g_tree_remove(pqueue, *tfc) == FALSE) {
+ if(tf->buf_index != NULL) {
+
+ if(ltt_tracefile_read(tf) == 0) {
+
+ (*tfc)->timestamp = ltt_event_time(ltt_tracefile_get_event((*tfc)->tf));
+ g_tree_insert(pqueue, (*tfc), (*tfc));
+
+ }
+ }
+ } else {
+ g_tree_insert(pqueue, (*tfc), (*tfc));
+
+ }
+
+
+ }
+ //Update self time span
+ self->time_span.end_time = LTT_TIME_MAX(self->t->live_safe_timestamp,
+ self->time_span.end_time);
+ //Update self tscontext time span
+ self->ts_context->time_span.end_time = LTT_TIME_MAX(self->time_span.end_time,
+ self->ts_context->time_span.end_time);
+ }
+ return nb_tracefile;
+
+}
+
+/****************************************************************************
+ * lttv_process_traceset_update
+ *
+ * process the changes that occur in the traceset.
+ *
+ * Return the number of file presently monitor(open for writting). If 0, the
+ * current traceset probably received all the data.
+ ***************************************************************************/
+guint lttv_process_traceset_update(LttvTracesetContext *self)
+{
+ guint i;
+ guint nb_trace;
+ guint open_counter = 0;
+
+ nb_trace = lttv_traceset_number(self->ts);
+
+ for(i = 0 ; i < nb_trace ; i++) {
+ open_counter += lttv_process_trace_update(self->traces[i]);
+ }
+ return open_counter;
+}
void lttv_process_traceset_seek_time(LttvTracesetContext *self, LttTime start)
{
- guint i, nb_trace;
+ guint i, nb_trace;
- LttvTraceContext *tc;
+ LttvTraceContext *tc;
- //g_tree_destroy(self->pqueue);
- //self->pqueue = g_tree_new(compare_tracefile);
+ //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];
- lttv_process_trace_seek_time(tc, start);
- }
+ 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);
+ }
}
gboolean lttv_process_traceset_seek_position(LttvTracesetContext *self,
- const LttvTracesetContextPosition *pos)
+ const LttvTracesetContextPosition *pos)
{
- guint i;
- /* If a position is set, seek the traceset to this position */
- if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) {
-
- /* Test to see if the traces has been added to the trace set :
- * It should NEVER happen. Clear all positions if a new trace comes in. */
- /* FIXME I know this test is not optimal : should keep a number of
- * tracefiles variable in the traceset.. eventually */
- guint num_traces = lttv_traceset_number(self->ts);
- guint tf_count = 0;
- 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++)
- tf_count++;
- }
- g_assert(tf_count == pos->tfcp->len);
-
-
- //g_tree_destroy(self->pqueue);
- //self->pqueue = g_tree_new(compare_tracefile);
-
- for(i=0;i<pos->tfcp->len; i++) {
- LttvTracefileContextPosition *tfcp =
- &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
-
- g_tree_remove(self->pqueue, tfcp->tfc);
-
- if(tfcp->used == TRUE) {
- if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0)
- return 1;
- tfcp->tfc->timestamp =
- ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf));
- g_assert(ltt_time_compare(tfcp->tfc->timestamp,
- ltt_time_infinite) != 0);
- g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc);
-
- } else {
- tfcp->tfc->timestamp = ltt_time_infinite;
- }
- }
- }
+ guint i;
+ /* If a position is set, seek the traceset to this position */
+ if(ltt_time_compare(pos->timestamp, ltt_time_infinite) != 0) {
+
+ /* Test to see if the traces has been added to the trace set :
+ * It should NEVER happen. Clear all positions if a new trace comes in. */
+ /* FIXME I know this test is not optimal : should keep a number of
+ * tracefiles variable in the traceset.. eventually */
+ guint num_traces = lttv_traceset_number(self->ts);
+ guint tf_count = 0;
+ 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++)
+ tf_count++;
+ }
+ g_assert(tf_count == pos->tfcp->len);
+
+
+ //g_tree_destroy(self->pqueue);
+ //self->pqueue = g_tree_new(compare_tracefile);
+
+ for(i=0;i<pos->tfcp->len; i++) {
+ LttvTracefileContextPosition *tfcp =
+ &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
+
+ g_tree_remove(self->pqueue, tfcp->tfc);
+
+ if(tfcp->used == TRUE) {
+ if(ltt_tracefile_seek_position(tfcp->tfc->tf, tfcp->event) != 0)
+ return 1;
+ tfcp->tfc->timestamp =
+ ltt_event_time(ltt_tracefile_get_event(tfcp->tfc->tf));
+ g_assert(ltt_time_compare(tfcp->tfc->timestamp,
+ ltt_time_infinite) != 0);
+ g_tree_insert(self->pqueue, tfcp->tfc, tfcp->tfc);
+
+ } else {
+ tfcp->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);
+ 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 0;
+ return 0;
}
static LttField *
find_field(LttEventType *et, const GQuark field)
{
- LttField *f;
-
- if(field == 0) return NULL;
-
- 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)));
- }
-
- return f;
+ LttField *f;
+
+ if(field == 0) return NULL;
+
+ 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)));
+ }
+
+ return f;
}
#endif
struct marker_info *lttv_trace_hook_get_marker(LttTrace *t, LttvTraceHook *th)
{
- return marker_get_info_from_id(th->mdata, th->id);
+ return marker_get_info_from_id(th->mdata, th->id);
}
int lttv_trace_find_hook(LttTrace *t, GQuark channel_name, GQuark event_name,
- GQuark fields[], LttvHook h, gpointer hook_data, GArray **trace_hooks)
+ GQuark fields[], LttvHook h, gpointer hook_data,
+ GArray **trace_hooks)
{
- struct marker_info *info;
- guint16 marker_id;
- int init_array_size;
- GArray *group;
- struct marker_data *mdata;
-
- group = g_datalist_id_get_data(&t->tracefiles, channel_name);
- if (unlikely(!group || group->len == 0)) {
- g_info("No channel for marker named %s.%s found",
- g_quark_to_string(channel_name), g_quark_to_string(event_name));
- return 1;
- }
-
- mdata = g_array_index (group, LttTracefile, 0).mdata;
- info = marker_get_info_from_name(mdata, event_name);
- if(unlikely(info == NULL)) {
- g_info("No marker named %s.%s found",
- g_quark_to_string(channel_name), g_quark_to_string(event_name));
- return 1;
- }
-
- init_array_size = (*trace_hooks)->len;
-
- /* for each marker with the requested name */
- do {
- LttvTraceHook tmpth;
- int found;
- GQuark *f;
- struct marker_field *marker_field;
-
- marker_id = marker_get_id_from_info(mdata, info);
-
- tmpth.h = h;
- tmpth.mdata = mdata;
- tmpth.channel = channel_name;
- tmpth.id = marker_id;
- tmpth.hook_data = hook_data;
- tmpth.fields = g_ptr_array_new();
-
- /* for each field requested */
- for(f = fields; f && *f != 0; f++) {
- found = 0;
- for_each_marker_field(marker_field, info) {
- if(marker_field->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_info("Field %s cannot be found in marker %s.%s",
- g_quark_to_string(*f), g_quark_to_string(channel_name),
- g_quark_to_string(event_name));
- goto skip_marker;
- }
- }
- /* all fields were found: add the tracehook to the array */
- *trace_hooks = g_array_append_val(*trace_hooks, tmpth);
+ struct marker_info *info;
+ guint16 marker_id;
+ int init_array_size;
+ GArray *group;
+ struct marker_data *mdata;
+
+ group = g_datalist_id_get_data(&t->tracefiles, channel_name);
+ if (unlikely(!group || group->len == 0)) {
+ g_info("No channel for marker named %s.%s found",
+ g_quark_to_string(channel_name), g_quark_to_string(event_name));
+ return 1;
+ }
+
+ mdata = g_array_index (group, LttTracefile, 0).mdata;
+ info = marker_get_info_from_name(mdata, event_name);
+ if(unlikely(info == NULL)) {
+ g_info("No marker named %s.%s found",
+ g_quark_to_string(channel_name), g_quark_to_string(event_name));
+ return 1;
+ }
+
+ init_array_size = (*trace_hooks)->len;
+
+ /* for each marker with the requested name */
+ do {
+ LttvTraceHook tmpth;
+ int found;
+ GQuark *f;
+ struct marker_field *marker_field;
+
+ marker_id = marker_get_id_from_info(mdata, info);
+
+ tmpth.h = h;
+ tmpth.mdata = mdata;
+ tmpth.channel = channel_name;
+ tmpth.id = marker_id;
+ tmpth.hook_data = hook_data;
+ tmpth.fields = g_ptr_array_new();
+
+ /* for each field requested */
+ for(f = fields; f && *f != 0; f++) {
+ found = 0;
+ for_each_marker_field(marker_field, info) {
+ if(marker_field->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_info("Field %s cannot be found in marker %s.%s",
+ g_quark_to_string(*f), g_quark_to_string(channel_name),
+ g_quark_to_string(event_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 */
- if (init_array_size == (*trace_hooks)->len) {
- g_info("No marker of name %s.%s has all requested fields",
- g_quark_to_string(channel_name), g_quark_to_string(event_name));
- return 1;
- }
- return 0;
+ info = info->next;
+ } while(info != NULL);
+
+ /* Error if no new trace hook has been added */
+ if (init_array_size == (*trace_hooks)->len) {
+ g_info("No marker of name %s.%s has all requested fields",
+ g_quark_to_string(channel_name), g_quark_to_string(event_name));
+ return 1;
+ }
+ return 0;
}
void lttv_trace_hook_remove_all(GArray **th)
{
- int i;
- for(i=0; i<(*th)->len; i++) {
- g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE);
- }
- if((*th)->len)
- *th = g_array_remove_range(*th, 0, (*th)->len);
+ int i;
+ for(i=0; i<(*th)->len; i++) {
+ g_ptr_array_free(g_array_index(*th, LttvTraceHook, i).fields, TRUE);
+ }
+ if((*th)->len)
+ *th = g_array_remove_range(*th, 0, (*th)->len);
}
-LttvTracesetContextPosition *lttv_traceset_context_position_new(
- const LttvTracesetContext *self)
+LttvTracesetContextPosition *
+lttv_traceset_context_position_new(const LttvTracesetContext *self)
{
- guint num_traces = lttv_traceset_number(self->ts);
- guint tf_count = 0;
- guint i;
-
- 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++)
- tf_count++;
- }
- LttvTracesetContextPosition *pos =
- g_new(LttvTracesetContextPosition, 1);
- pos->tfcp = g_array_sized_new(FALSE, TRUE,
- sizeof(LttvTracefileContextPosition),
- tf_count);
- g_array_set_size(pos->tfcp, tf_count);
- for(i=0;i<pos->tfcp->len;i++) {
- LttvTracefileContextPosition *tfcp =
- &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
- tfcp->event = ltt_event_position_new();
- }
-
- pos->timestamp = ltt_time_infinite;
- return pos;
+ guint num_traces = lttv_traceset_number(self->ts);
+ guint tf_count = 0;
+ guint i;
+
+ 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++)
+ tf_count++;
+ }
+ LttvTracesetContextPosition *pos = g_new(LttvTracesetContextPosition, 1);
+ pos->tfcp = g_array_sized_new(FALSE, TRUE,
+ sizeof(LttvTracefileContextPosition),
+ tf_count);
+ g_array_set_size(pos->tfcp, tf_count);
+ for(i=0;i<pos->tfcp->len;i++) {
+ LttvTracefileContextPosition *tfcp =
+ &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
+ tfcp->event = ltt_event_position_new();
+ }
+
+ pos->timestamp = ltt_time_infinite;
+ return pos;
}
/* Save all positions, the ones with infinite time will have NULL
/* note : a position must be destroyed when a trace is added/removed from a
* traceset */
void lttv_traceset_context_position_save(const LttvTracesetContext *self,
- LttvTracesetContextPosition *pos)
+ LttvTracesetContextPosition *pos)
{
- guint i;
- guint num_traces = lttv_traceset_number(self->ts);
- guint tf_count = 0;
-
- pos->timestamp = ltt_time_infinite;
-
- 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++) {
- g_assert(tf_count < pos->tfcp->len);
- LttvTracefileContext **tfc = &g_array_index(tracefiles,
- LttvTracefileContext*, j);
- LttvTracefileContextPosition *tfcp =
- &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count);
-
- tfcp->tfc = *tfc;
-
- if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) {
- LttEvent *event = ltt_tracefile_get_event((*tfc)->tf);
- ltt_event_position(event, tfcp->event);
- if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0)
- pos->timestamp = (*tfc)->timestamp;
- tfcp->used = TRUE;
- } else {
- tfcp->used = FALSE;
- }
-
- //g_array_append_val(pos->tfc, *tfc);
- //g_array_append_val(pos->ep, ep);
- tf_count++;
- }
-
- }
+ guint i;
+ guint num_traces = lttv_traceset_number(self->ts);
+ guint tf_count = 0;
+
+ pos->timestamp = ltt_time_infinite;
+
+ 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++) {
+ g_assert(tf_count < pos->tfcp->len);
+ LttvTracefileContext **tfc = &g_array_index(tracefiles,
+ LttvTracefileContext*, j);
+ LttvTracefileContextPosition *tfcp =
+ &g_array_index(pos->tfcp, LttvTracefileContextPosition, tf_count);
+
+ tfcp->tfc = *tfc;
+
+ if(ltt_time_compare((*tfc)->timestamp, ltt_time_infinite) != 0) {
+ LttEvent *event = ltt_tracefile_get_event((*tfc)->tf);
+ ltt_event_position(event, tfcp->event);
+ if(ltt_time_compare((*tfc)->timestamp, pos->timestamp) < 0)
+ pos->timestamp = (*tfc)->timestamp;
+ tfcp->used = TRUE;
+ } else {
+ tfcp->used = FALSE;
+ }
+
+ //g_array_append_val(pos->tfc, *tfc);
+ //g_array_append_val(pos->ep, ep);
+ tf_count++;
+ }
+
+ }
}
void lttv_traceset_context_position_destroy(LttvTracesetContextPosition *pos)
{
- int i;
-
- for(i=0;i<pos->tfcp->len;i++) {
- LttvTracefileContextPosition *tfcp =
- &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
- g_free(tfcp->event);
- tfcp->event = NULL;
- tfcp->used = FALSE;
- }
- g_array_free(pos->tfcp, TRUE);
- g_free(pos);
+ int i;
+
+ for(i=0;i<pos->tfcp->len;i++) {
+ LttvTracefileContextPosition *tfcp =
+ &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
+ g_free(tfcp->event);
+ tfcp->event = NULL;
+ tfcp->used = FALSE;
+ }
+ g_array_free(pos->tfcp, TRUE);
+ g_free(pos);
}
void lttv_traceset_context_position_copy(LttvTracesetContextPosition *dest,
- const LttvTracesetContextPosition *src)
+ const LttvTracesetContextPosition *src)
{
- int i;
- LttvTracefileContextPosition *src_tfcp, *dest_tfcp;
-
- g_assert(src->tfcp->len == dest->tfcp->len);
-
- for(i=0;i<src->tfcp->len;i++) {
- src_tfcp =
- &g_array_index(src->tfcp, LttvTracefileContextPosition, i);
- dest_tfcp =
- &g_array_index(dest->tfcp, LttvTracefileContextPosition, i);
-
- dest_tfcp->used = src_tfcp->used;
- dest_tfcp->tfc = src_tfcp->tfc;
-
- if(src_tfcp->used) {
- ltt_event_position_copy(
- dest_tfcp->event,
- src_tfcp->event);
- }
- }
- dest->timestamp = src->timestamp;
+ int i;
+ LttvTracefileContextPosition *src_tfcp, *dest_tfcp;
+
+ g_assert(src->tfcp->len == dest->tfcp->len);
+
+ for(i=0;i<src->tfcp->len;i++) {
+ src_tfcp =
+ &g_array_index(src->tfcp, LttvTracefileContextPosition, i);
+ dest_tfcp =
+ &g_array_index(dest->tfcp, LttvTracefileContextPosition, i);
+
+ dest_tfcp->used = src_tfcp->used;
+ dest_tfcp->tfc = src_tfcp->tfc;
+
+ if(src_tfcp->used) {
+ ltt_event_position_copy(
+ dest_tfcp->event,
+ src_tfcp->event);
+ }
+ }
+ dest->timestamp = src->timestamp;
}
gint lttv_traceset_context_ctx_pos_compare(const LttvTracesetContext *self,
- const LttvTracesetContextPosition *pos)
+ const LttvTracesetContextPosition *pos)
{
- int i;
- int ret = 0;
-
- if(pos->tfcp->len == 0) {
- if(lttv_traceset_number(self->ts) == 0) return 0;
- else return 1;
- }
- if(lttv_traceset_number(self->ts) == 0)
- return -1;
-
- for(i=0;i<pos->tfcp->len;i++) {
- LttvTracefileContextPosition *tfcp =
- &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
-
- if(tfcp->used == FALSE) {
- if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) {
- ret = -1;
- }
- } else {
- if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) {
- ret = 1;
- } else {
- LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf);
-
- ret = ltt_event_position_compare((LttEventPosition*)event,
- tfcp->event);
- }
- }
- if(ret != 0) return ret;
-
- }
- return 0;
+ int i;
+ int ret = 0;
+
+ if(pos->tfcp->len == 0) {
+ if(lttv_traceset_number(self->ts) == 0) return 0;
+ else return 1;
+ }
+ if(lttv_traceset_number(self->ts) == 0)
+ return -1;
+
+ for(i=0;i<pos->tfcp->len;i++) {
+ LttvTracefileContextPosition *tfcp =
+ &g_array_index(pos->tfcp, LttvTracefileContextPosition, i);
+
+ if(tfcp->used == FALSE) {
+ if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) < 0) {
+ ret = -1;
+ }
+ } else {
+ if(ltt_time_compare(tfcp->tfc->timestamp, ltt_time_infinite) == 0) {
+ ret = 1;
+ } else {
+ LttEvent *event = ltt_tracefile_get_event(tfcp->tfc->tf);
+
+ ret = ltt_event_position_compare((LttEventPosition*)event,
+ tfcp->event);
+ }
+ }
+ if(ret != 0) return ret;
+
+ }
+ return 0;
}
-gint lttv_traceset_context_pos_pos_compare(
- const LttvTracesetContextPosition *pos1,
- const LttvTracesetContextPosition *pos2)
+gint
+lttv_traceset_context_pos_pos_compare(const LttvTracesetContextPosition *pos1,
+ const LttvTracesetContextPosition *pos2)
{
- int i, j;
- int ret = 0;
-
- 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(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0)
- return -1;
-
- for(i=0;i<pos1->tfcp->len;i++) {
- LttvTracefileContextPosition *tfcp1 =
- &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i);
-
- if(tfcp1->used == TRUE) {
- for(j=0;j<pos2->tfcp->len;j++) {
- LttvTracefileContextPosition *tfcp2 =
- &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j);
-
- if(tfcp1->tfc == tfcp2->tfc) {
- if(tfcp2->used == TRUE)
- ret = ltt_event_position_compare(tfcp1->event, tfcp2->event);
- else
- ret = -1;
-
- if(ret != 0) return ret;
- }
- }
-
- } else {
- for(j=0;j<pos2->tfcp->len;j++) {
- LttvTracefileContextPosition *tfcp2 =
- &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j);
-
- if(tfcp1->tfc == tfcp2->tfc)
- if(tfcp2->used == TRUE) ret = 1;
- if(ret != 0) return ret;
- }
- }
- }
- return 0;
+ int i, j;
+ int ret = 0;
+
+ 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(ltt_time_compare(pos2->timestamp, ltt_time_infinite) == 0)
+ return -1;
+
+ for(i=0;i<pos1->tfcp->len;i++) {
+ LttvTracefileContextPosition *tfcp1 =
+ &g_array_index(pos1->tfcp, LttvTracefileContextPosition, i);
+
+ if(tfcp1->used == TRUE) {
+ for(j=0;j<pos2->tfcp->len;j++) {
+ LttvTracefileContextPosition *tfcp2 =
+ &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j);
+
+ if(tfcp1->tfc == tfcp2->tfc) {
+ if(tfcp2->used == TRUE)
+ ret = ltt_event_position_compare(tfcp1->event, tfcp2->event);
+ else
+ ret = -1;
+
+ if(ret != 0) return ret;
+ }
+ }
+
+ } else {
+ for(j=0;j<pos2->tfcp->len;j++) {
+ LttvTracefileContextPosition *tfcp2 =
+ &g_array_index(pos2->tfcp, LttvTracefileContextPosition, j);
+
+ if(tfcp1->tfc == tfcp2->tfc)
+ if(tfcp2->used == TRUE) ret = 1;
+ if(ret != 0) return ret;
+ }
+ }
+ }
+ return 0;
}
-LttTime lttv_traceset_context_position_get_time(
- const LttvTracesetContextPosition *pos)
+LttTime
+lttv_traceset_context_position_get_time(const LttvTracesetContextPosition *pos)
{
- return pos->timestamp;
+ return pos->timestamp;
}
-LttvTracefileContext *lttv_traceset_context_get_current_tfc(LttvTracesetContext *self)
+LttvTracefileContext *
+lttv_traceset_context_get_current_tfc(LttvTracesetContext *self)
{
- GTree *pqueue = self->pqueue;
- LttvTracefileContext *tfc = NULL;
+ GTree *pqueue = self->pqueue;
+ LttvTracefileContext *tfc = NULL;
- g_tree_foreach(pqueue, get_first, &tfc);
+ g_tree_foreach(pqueue, get_first, &tfc);
- return tfc;
+ return tfc;
}
/* lttv_process_traceset_synchronize_tracefiles
*/
void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc)
{
- g_assert(lttv_process_traceset_seek_position(tsc, tsc->sync_position) == 0);
+ int retval;
+
+ retval= lttv_process_traceset_seek_position(tsc, tsc->sync_position);
+ g_assert_cmpint(retval, ==, 0);
}
void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc)
{
- lttv_traceset_context_position_save(tsc, tsc->sync_position);
+ lttv_traceset_context_position_save(tsc, tsc->sync_position);
}
struct seek_back_data {
- guint first_event; /* Index of the first event in the array : we will always
- overwrite at this position : this is a circular array.
- */
- guint events_found;
- guint n; /* number of events requested */
- GPtrArray *array; /* array of LttvTracesetContextPositions pointers */
- LttvFilter *filter1;
- LttvFilter *filter2;
- LttvFilter *filter3;
- gpointer data;
- check_handler *check;
- gboolean *stop_flag;
- guint raw_event_count;
+ guint first_event; /* Index of the first event in the array : we will always
+ overwrite at this position : this is a circular array.
+ */
+ guint events_found;
+ guint n; /* number of events requested */
+ GPtrArray *array; /* array of LttvTracesetContextPositions pointers */
+ 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)
{
- struct seek_back_data *sd = (struct seek_back_data*)hook_data;
- LttvTracefileContext *tfc = (LttvTracefileContext*)call_data;
- LttvTracesetContext *tsc = tfc->t_context->ts_context;
- LttvTracesetContextPosition *pos;
-
- 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,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);
-
- lttv_traceset_context_position_save(tsc, pos);
-
- if(sd->first_event >= sd->array->len - 1) sd->first_event = 0;
- else sd->first_event++;
-
- sd->events_found = min(sd->n, sd->events_found + 1);
-
- return FALSE;
+ struct seek_back_data *sd = (struct seek_back_data*)hook_data;
+ LttvTracefileContext *tfc = (LttvTracefileContext*)call_data;
+ LttvTracesetContext *tsc = tfc->t_context->ts_context;
+ LttvTracesetContextPosition *pos;
+
+ 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,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);
+
+ lttv_traceset_context_position_save(tsc, pos);
+
+ if(sd->first_event >= sd->array->len - 1) sd->first_event = 0;
+ else sd->first_event++;
+
+ sd->events_found = min(sd->n, sd->events_found + 1);
+
+ return FALSE;
}
/* Seek back n events back from the current position.
* contain any hook, as process_traceset_middle is used in this routine.
*/
guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self,
- guint n, LttTime first_offset,
- seek_time_fct time_seeker,
- check_handler *check,
- gboolean *stop_flag,
- LttvFilter *filter1,
- LttvFilter *filter2,
- LttvFilter *filter3,
- gpointer data)
+ guint n, LttTime first_offset,
+ seek_time_fct time_seeker,
+ 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);
-
- guint i;
- LttvTracesetContextPosition *next_iter_end_pos =
- lttv_traceset_context_position_new(self);
- LttvTracesetContextPosition *end_pos =
- lttv_traceset_context_position_new(self);
- 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.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(lttv_traceset_number(self->ts) == 0) return 0;
+ g_assert(ltt_time_compare(first_offset, ltt_time_zero) != 0);
+
+ guint i;
+ LttvTracesetContextPosition *next_iter_end_pos =
+ lttv_traceset_context_position_new(self);
+ LttvTracesetContextPosition *end_pos =
+ lttv_traceset_context_position_new(self);
+ 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();
+ int retval;
+
+ sd.first_event = 0;
+ sd.events_found = 0;
+ sd.array = g_ptr_array_sized_new(n);
+ 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);
+ }
- lttv_traceset_context_position_save(self, next_iter_end_pos);
- lttv_traceset_context_position_save(self, saved_pos);
- /* Get the current time from which we will offset */
- time = lttv_traceset_context_position_get_time(next_iter_end_pos);
- /* the position saved might be end of traceset... */
- 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_traceset_context_position_save(self, next_iter_end_pos);
+ lttv_traceset_context_position_save(self, saved_pos);
+ /* Get the current time from which we will offset */
+ time = lttv_traceset_context_position_get_time(next_iter_end_pos);
+ /* the position saved might be end of traceset... */
+ if(ltt_time_compare(time, self->time_span.end_time) > 0) {
+ time = self->time_span.end_time;
+ }
+ time_offset = first_offset;
- lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT);
-
- lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL);
-
- while(1) {
- /* stop criteria : - n events found
- * - 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);
- /* Resync the time in case of a seek_closest */
- time = lttv_traceset_context_position_get_time(next_iter_end_pos);
- if(ltt_time_compare(time, self->time_span.end_time) > 0) {
- time = self->time_span.end_time;
- }
-
- /* Process the traceset, calling a hook which adds events
- * to the array, overwriting the tail. It changes first_event and
- * events_found too. */
- /* We would like to have a clean context here : no other hook than our's */
-
- lttv_process_traceset_middle(self, ltt_time_infinite,
- G_MAXUINT, end_pos);
-
- if(sd.events_found < n) {
- if(sd.first_event > 0) {
- /* Save the first position */
- LttvTracesetContextPosition *pos =
- (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0);
- lttv_traceset_context_position_copy(saved_pos, pos);
- }
- g_assert(n-sd.events_found <= sd.array->len);
- /* Change array size to n - events_found */
- for(i=n-sd.events_found;i<sd.array->len;i++) {
- LttvTracesetContextPosition *pos =
- (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i);
- lttv_traceset_context_position_destroy(pos);
- }
- g_ptr_array_set_size(sd.array, n-sd.events_found);
- sd.first_event = 0;
-
- } else break; /* Second end criterion : n events found */
-
- time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL);
- }
-
- lttv_traceset_context_position_destroy(end_pos);
- lttv_traceset_context_position_destroy(next_iter_end_pos);
-
- lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL);
-
- if(sd.events_found >= n) {
- /* Seek the traceset to the first event in the circular array */
- LttvTracesetContextPosition *pos =
- (LttvTracesetContextPosition*)g_ptr_array_index (sd.array,
- sd.first_event);
- g_assert(lttv_process_traceset_seek_position(self, pos) == 0);
- } else {
- /* Will seek to the last saved position : in the worst case, it will be the
- * original position (if events_found is 0) */
- g_assert(lttv_process_traceset_seek_position(self, saved_pos) == 0);
- }
-
- for(i=0;i<sd.array->len;i++) {
- LttvTracesetContextPosition *pos =
- (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i);
- lttv_traceset_context_position_destroy(pos);
- }
- g_ptr_array_free(sd.array, TRUE);
-
- lttv_hooks_destroy(hooks);
-
- lttv_traceset_context_position_destroy(saved_pos);
-
- return sd.events_found;
+ lttv_hooks_add(hooks, seek_back_event_hook, &sd, LTTV_PRIO_DEFAULT);
+
+ lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL);
+
+ while(1) {
+ 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 */
+ if(ltt_time_compare(time, time_offset) > 0)
+ time = ltt_time_sub(time, time_offset);
+ else
+ time = self->time_span.start_time;
+ asked_time = time;
+
+ time_seeker(self, time);
+ lttv_traceset_context_position_save(self, next_iter_end_pos);
+ /* Resync the time in case of a seek_closest */
+ time = lttv_traceset_context_position_get_time(next_iter_end_pos);
+ if(ltt_time_compare(time, self->time_span.end_time) > 0) {
+ time = self->time_span.end_time;
+ }
+
+ /* Process the traceset, calling a hook which adds events
+ * to the array, overwriting the tail. It changes first_event and
+ * events_found too. */
+ /* We would like to have a clean context here : no other hook than our's */
+
+ lttv_process_traceset_middle(self, ltt_time_infinite,
+ G_MAXUINT, end_pos);
+
+ /* stop criteria : - n events found
+ * - asked_time < beginning of trace */
+ if(sd.events_found < n) {
+ if(sd.first_event > 0) {
+ /* Save the first position */
+ LttvTracesetContextPosition *pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, 0);
+ lttv_traceset_context_position_copy(saved_pos, pos);
+ }
+ g_assert(n-sd.events_found <= sd.array->len);
+ /* Change array size to n - events_found */
+ for(i=n-sd.events_found;i<sd.array->len;i++) {
+ LttvTracesetContextPosition *pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i);
+ lttv_traceset_context_position_destroy(pos);
+ }
+ g_ptr_array_set_size(sd.array, n-sd.events_found);
+ sd.first_event = 0;
+
+ /*
+ * Did not fill our event list and started before the beginning of the
+ * trace. There is no hope to fill it then.
+ * It is OK to compare with trace start time here because we explicitely
+ * seeked by time (not by position), so we cannot miss multiple event
+ * happening exactly at trace start.
+ */
+ if(ltt_time_compare(asked_time, self->time_span.start_time) == 0)
+ break;
+
+ } else break; /* Second end criterion : n events found */
+
+ time_offset = ltt_time_mul(time_offset, BACKWARD_SEEK_MUL);
+ }
+
+ lttv_traceset_context_position_destroy(end_pos);
+ lttv_traceset_context_position_destroy(next_iter_end_pos);
+
+ lttv_process_traceset_end(self, NULL, NULL, NULL, hooks, NULL);
+
+ if(sd.events_found >= n) {
+ /* Seek the traceset to the first event in the circular array */
+ LttvTracesetContextPosition *pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index (sd.array,
+ sd.first_event);
+ retval= lttv_process_traceset_seek_position(self, pos);
+ g_assert_cmpint(retval, ==, 0);
+ } else {
+ /* Will seek to the last saved position : in the worst case, it will be the
+ * original position (if events_found is 0) */
+ retval= lttv_process_traceset_seek_position(self, saved_pos);
+ g_assert_cmpint(retval, ==, 0);
+ }
+
+ for(i=0;i<sd.array->len;i++) {
+ LttvTracesetContextPosition *pos =
+ (LttvTracesetContextPosition*)g_ptr_array_index (sd.array, i);
+ lttv_traceset_context_position_destroy(pos);
+ }
+ g_ptr_array_free(sd.array, TRUE);
+
+ lttv_hooks_destroy(hooks);
+
+ lttv_traceset_context_position_destroy(saved_pos);
+
+ return sd.events_found;
}
struct seek_forward_data {
- guint event_count; /* event counter */
- guint n; /* requested number of events to jump over */
- LttvFilter *filter1;
- LttvFilter *filter2;
- LttvFilter *filter3;
- gpointer data;
- check_handler *check;
- gboolean *stop_flag;
- guint raw_event_count; /* event counter */
+ guint event_count; /* event counter */
+ guint n; /* requested number of events to jump over */
+ 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->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,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++;
- if(sd->event_count >= sd->n)
- return TRUE;
- return FALSE;
+ struct seek_forward_data *sd = (struct seek_forward_data*)hook_data;
+ LttvTracefileContext *tfc = (LttvTracefileContext*)call_data;
+
+ 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,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++;
+ if(sd->event_count >= sd->n)
+ return TRUE;
+ return FALSE;
}
/* Seek back n events forward from the current position (1 to n)
* 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,
- check_handler *check,
- gboolean *stop_flag,
- LttvFilter *filter1,
- LttvFilter *filter2,
- LttvFilter *filter3,
- gpointer data)
+ 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.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);
-
- lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL);
-
- /* it will end on the end of traceset, or the fact that the
- * hook returns TRUE.
- */
- lttv_process_traceset_middle(self, ltt_time_infinite,
- G_MAXUINT, NULL);
-
- /* Here, our position is either the end of traceset, or the exact position
- * 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);
-
- lttv_hooks_destroy(hooks);
-
- return sd.event_count;
+ struct seek_forward_data sd;
+ sd.event_count = 0;
+ sd.n = n;
+ 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);
+
+ lttv_process_traceset_begin(self, NULL, NULL, NULL, hooks, NULL);
+
+ /* it will end on the end of traceset, or the fact that the
+ * hook returns TRUE.
+ */
+ lttv_process_traceset_middle(self, ltt_time_infinite,
+ G_MAXUINT, NULL);
+
+ /* Here, our position is either the end of traceset, or the exact position
+ * 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);
+
+ lttv_hooks_destroy(hooks);
+
+ return sd.event_count;
}