misc: tegra-profiler: use power-of-2 sized buffer

Kernel/User-space circle buffers:
- Use power-of-2 sized buffers to reduce overhead
- Use the common circular buffer macros

Bug 1881997

Change-Id: I664f4745e625cc4cd395d1683eada191abe12624
Signed-off-by: Igor Nabirushkin <inabirushkin@nvidia.com>
Reviewed-on: http://git-master/r/1315654
(cherry picked from commit a7971b07d3f04fe424a3506ae665214e76abecb4)
Reviewed-on: http://git-master/r/1321052

1 files changed, 5 insertions, 4 deletions

diff --git a/include/linux/tegra_profiler.h b/include/linux/tegra_profiler.h
index e94ddd9f9..8405fa43a 100644
--- a/include/linux/tegra_profiler.h
+++ b/include/linux/tegra_profiler.h
@@ -1,7 +1,7 @@
 /*
  * include/linux/tegra_profiler.h
  *
- * Copyright (c) 2013-2016, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2013-2017, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -20,7 +20,7 @@
 #include <linux/ioctl.h>
 
 #define QUADD_SAMPLES_VERSION   37
-#define QUADD_IO_VERSION        20
+#define QUADD_IO_VERSION        21
 
 #define QUADD_IO_VERSION_DYNAMIC_RB             5
 #define QUADD_IO_VERSION_RB_MAX_FILL_COUNT      6
@@ -36,8 +36,9 @@
 #define QUADD_IO_VERSION_STACK_OFFSET           16
 #define QUADD_IO_VERSION_SECTIONS_INFO          17
 #define QUADD_IO_VERSION_UNW_METHODS_OPT        18
-#define QUADD_IO_VERSION_PER_CPU_SETUP          19
-#define QUADD_IO_VERSION_TRACE_ALL_TASKS        20
+#define QUADD_IO_VERSION_PER_CPU_SETUP          19
+#define QUADD_IO_VERSION_TRACE_ALL_TASKS        20
+#define QUADD_IO_VERSION_CB_POWER_OF_2          21
 
 #define QUADD_SAMPLE_VERSION_THUMB_MODE_FLAG    17
 #define QUADD_SAMPLE_VERSION_GROUP_SAMPLES      18