Add record->record_size to denote actual size of record

Add record->record_size to be used with tracecmd_read_at() to find
a record that contains the offset passed in.

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

2 files changed, 7 insertions, 2 deletions

diff --git a/trace-cmd.h b/trace-cmd.h
index 6324057..be38ef2 100644
--- a/trace-cmd.h
+++ b/trace-cmd.h
@@ -29,7 +29,8 @@ enum {
 struct record {
         unsigned long long ts;
         unsigned long long offset;
-        int size;
+        int record_size;                /* size of binary record */
+        int size;                       /* size of data */
         void *data;
 };
 
diff --git a/trace-input.c b/trace-input.c
index 46fb135..299d7dc 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -582,6 +582,8 @@ read_old_format(struct tracecmd_handle *handle, void **ptr, int cpu)
         handle->cpu_data[cpu].index = calc_index(handle, *ptr, cpu);
         handle->cpu_data[cpu].next = data;
 
+        data->record_size = handle->cpu_data[cpu].index - index;
+
         return data;
 }
 
@@ -604,7 +606,7 @@ read_event(struct tracecmd_handle *handle, unsigned long long offset,
 
         do {
                 record = tracecmd_read_data(handle, cpu);
-        } while (record && (record->offset + record->size) < offset);
+        } while (record && (record->offset + record->record_size) <= offset);
 
         return record;
 }
@@ -796,6 +798,8 @@ read_again:
         handle->cpu_data[cpu].index = calc_index(handle, ptr, cpu);
         handle->cpu_data[cpu].next = data;
 
+        data->record_size = handle->cpu_data[cpu].index - index;
+
         return data;
 }