Add offset to record structure

When a record is read, we want to know its offset in the file. This
allows us to retrieve this record at a later time directly.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

2 files changed, 8 insertions, 0 deletions

diff --git a/trace-cmd.h b/trace-cmd.h
index f95f11d..741e69d 100644
--- a/trace-cmd.h
+++ b/trace-cmd.h
@@ -28,6 +28,7 @@ enum {
 
 struct record {
         unsigned long long ts;
+        unsigned long long offset;
         int size;
         void *data;
 };
diff --git a/trace-input.c b/trace-input.c
index c3085b8..b1e98d5 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -521,6 +521,9 @@ read_old_format(struct tracecmd_handle *handle, void **ptr, int cpu)
         unsigned int len;
         unsigned int delta;
         unsigned int length;
+        int index;
+
+        index = calc_index(handle, *ptr, cpu);
 
         type_len_ts = data2host4(*ptr);
         *ptr += 4;
@@ -568,6 +571,8 @@ read_old_format(struct tracecmd_handle *handle, void **ptr, int cpu)
         data->ts = handle->cpu_data[cpu].timestamp;
         data->size = length;
         data->data = *ptr;
+        data->offset = handle->cpu_data[cpu].offset + index;
+
 
         *ptr += ((length+3)/4) * 4;
 
@@ -692,6 +697,8 @@ read_again:
         data->ts = handle->cpu_data[cpu].timestamp;
         data->size = length;
         data->data = ptr;
+        data->offset = handle->cpu_data[cpu].offset + index;
+
         ptr += length;
 
         handle->cpu_data[cpu].index = calc_index(handle, ptr, cpu);