Keep the full offset and size of a cpu buffer in the file around

The offset and size of the cpu buffer in the file will be referenced
after intial reading. Add file_offset and file_size in the cpu_data
structure to keep it around.

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

1 files changed, 13 insertions, 2 deletions

diff --git a/trace-input.c b/trace-input.c
index b1e98d5..a0becfc 100644
--- a/trace-input.c
+++ b/trace-input.c
@@ -20,6 +20,9 @@
 
 
 struct cpu_data {
+        /* the first two never change */
+        unsigned long long      file_offset;
+        unsigned long long      file_size;
         unsigned long long      offset;
         unsigned long long      size;
         unsigned long long      timestamp;
@@ -805,9 +808,17 @@ int tracecmd_init_data(struct tracecmd_handle *handle)
         memset(handle->cpu_data, 0, sizeof(*handle->cpu_data) * handle->cpus);
 
         for (cpu = 0; cpu < handle->cpus; cpu++) {
+                unsigned long long offset;
+
                 handle->cpu_data[cpu].cpu = cpu;
-                handle->cpu_data[cpu].offset = read8(handle);
-                handle->cpu_data[cpu].size = read8(handle);
+
+                offset = read8(handle);
+                size = read8(handle);
+
+                handle->cpu_data[cpu].offset = offset;
+                handle->cpu_data[cpu].size = size;
+                handle->cpu_data[cpu].file_offset = offset;
+                handle->cpu_data[cpu].file_size = size;
 
                 if (init_cpu(handle, cpu))
                         return -1;