X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=ltt%2Ftrace.h;h=e16c66f29f43ca44f5d317322f003788cdcb4488;hb=59dc1f2a91ea206e39d1ade572bec306811fff03;hp=202def1094d5853ba345c7271fe862e97aad9f2f;hpb=f61f4dca50e13aa52b1ca3941c8f420848f4353f;p=lttv.git

diff --git a/ltt/trace.h b/ltt/trace.h
index 202def10..e16c66f2 100644
--- a/ltt/trace.h
+++ b/ltt/trace.h
@@ -41,6 +41,8 @@ struct LttTrace {
   uint64_t  start_freq;
   uint64_t  start_tsc;
   uint64_t  start_monotonic;
+  double    drift;
+  double    offset;
   LttTime   start_time;
   LttTime   start_time_from_tsc;
 
@@ -207,9 +209,20 @@ gint64 ltt_get_int(gboolean reverse_byte_order, gint size, void *data);
 
 guint64 ltt_get_uint(gboolean reverse_byte_order, gint size, void *data);
 
+guint64 tsc_to_uint64(guint32 freq_scale, uint64_t start_freq, guint64 tsc);
+
 LttTime ltt_interpolate_time_from_tsc(LttTracefile *tf, guint64 tsc);
 
 /* Set to enable event debugging output */
 void ltt_event_debug(int state);
 
+/* A structure representing the version number of the trace */
+struct LttTraceVersion {
+  guint8    ltt_major_version;
+  guint8    ltt_minor_version;
+};
+
+/* To get the version number of a trace */
+int ltt_get_trace_version(const gchar *pathname, struct LttTraceVersion * version_number);
+
 #endif // TRACE_H