X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=ltt%2Fbranches%2Fpoly%2Flttv%2Flttv%2Ftracecontext.h;h=1336160be970e70fbb17fb54d635a184bf8e2898;hb=fc6a87b233ef7a987817ab50aeec1342f5aee16f;hp=429a90162f5545343d884e2991a850d0f504f80c;hpb=18c87975cf8d433804fd1ba833e1024790c5b4b8;p=lttv.git

diff --git a/ltt/branches/poly/lttv/lttv/tracecontext.h b/ltt/branches/poly/lttv/lttv/tracecontext.h
index 429a9016..1336160b 100644
--- a/ltt/branches/poly/lttv/lttv/tracecontext.h
+++ b/ltt/branches/poly/lttv/lttv/tracecontext.h
@@ -77,6 +77,11 @@ typedef struct _LttvTracefileContextClass LttvTracefileContextClass;
 typedef struct _LttvTracesetContextPosition LttvTracesetContextPosition;
 typedef struct _LttvTraceContextPosition LttvTraceContextPosition;
 
+#ifndef LTTVFILTER_TYPE_DEFINED
+typedef struct _LttvFilter LttvFilter;
+#define LTTVFILTER_TYPE_DEFINED
+#endif
+
 #define LTTV_TRACESET_CONTEXT_TYPE  (lttv_traceset_context_get_type ())
 #define LTTV_TRACESET_CONTEXT(obj)  (G_TYPE_CHECK_INSTANCE_CAST ((obj), LTTV_TRACESET_CONTEXT_TYPE, LttvTracesetContext))
 #define LTTV_TRACESET_CONTEXT_CLASS(vtable)  (G_TYPE_CHECK_CLASS_CAST ((vtable), LTTV_TRACESET_CONTEXT_TYPE, LttvTracesetContextClass))
@@ -142,6 +147,7 @@ struct _LttvTraceContext {
   GArray *tracefiles;
   LttvAttribute *a;
   LttvAttribute *t_a;
+  TimeInterval time_span;
 };
 
 struct _LttvTraceContextClass {
@@ -169,6 +175,8 @@ struct _LttvTracefileContext {
   LttvHooksById *event_by_id;
   LttTime timestamp;
   LttvAttribute *a;
+  gint target_pid;          /* Target PID of the event.
+				Updated by state.c. -1 means unset. */
 };
 
 struct _LttvTracefileContextClass {
@@ -306,7 +314,8 @@ LttvTracefileContext *lttv_traceset_context_get_current_tfc(
                              LttvTracesetContext *self);
 
 
-LttvTracesetContextPosition *lttv_traceset_context_position_new();
+LttvTracesetContextPosition *lttv_traceset_context_position_new(
+    const LttvTracesetContext *self);
 
 void lttv_traceset_context_position_save(const LttvTracesetContext *self,
                                     LttvTracesetContextPosition *pos);
@@ -335,4 +344,37 @@ void lttv_process_traceset_synchronize_tracefiles(LttvTracesetContext *tsc);
 
 void lttv_process_traceset_get_sync_data(LttvTracesetContext *tsc);
 
+/* Seek n events forward and backward (without filtering) : only use these where
+ * necessary : the seek backward is costy. */
+
+#define BACKWARD_SEEK_MUL 2 /* Multiplication factor of time_offset between
+                               backward seek iterations */
+
+static const LttTime seek_back_default_offset = { 1, 0 };
+
+typedef gboolean check_handler(guint count, gboolean *stop_flag, gpointer data);
+
+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);
+typedef void (*seek_time_fct)(LttvTracesetContext *self, LttTime start);
+
+/* If first_offset is ltt_time_zero, it will choose a default value */
+guint lttv_process_traceset_seek_n_backward(LttvTracesetContext *self,
+                                            guint n,
+                                            LttTime first_offset,
+                                            seek_time_fct,
+	 				    check_handler *check,
+					    gboolean *stop_flag,
+					    LttvFilter *filter1,
+					    LttvFilter *filter2,
+					    LttvFilter *filter3,
+					    gpointer data);
+
+
 #endif // PROCESSTRACE_H