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authorVaibhav Nagarnaik <vnagarnaik@google.com>2012-05-03 10:40:34 -0700
committerSteven Rostedt <rostedt@goodmis.org>2012-05-19 08:28:50 -0400
commita591c73f127505cdbd0aa399a92112a8ddff8730 (patch)
tree47eeb200977b79ddfbe3a6a26e8e38dc93bb5ff5
parent05fdd70d2fe1e34d8b80ec56d6e3272d9293653e (diff)
tracing: Fix initial buffer_size_kb state
Make sure that the state of buffer_size_kb is initialized correctly and returns actual size of the ring buffer. Link: http://lkml.kernel.org/r/1336066834-1673-1-git-send-email-vnagarnaik@google.com Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Laurent Chavey <chavey@google.com> Cc: Justin Teravest <teravest@google.com> Cc: David Sharp <dhsharp@google.com> Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r--kernel/trace/trace.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 08a08bab57a..a44d4c6ca9a 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -5112,7 +5112,8 @@ __init static int tracer_alloc_buffers(void)
max_tr.data[i] = &per_cpu(max_tr_data, i);
}
- set_buffer_entries(&global_trace, ring_buf_size);
+ set_buffer_entries(&global_trace,
+ ring_buffer_size(global_trace.buffer, 0));
#ifdef CONFIG_TRACER_MAX_TRACE
set_buffer_entries(&max_tr, 1);
#endif