tegra-profiler: record offset of the stack pointer

Tegra Profiler: when collecting backtraces, record
remaining data stack size.

Bug 1584533

Change-Id: I608ab73f8e1b7da84221a17a782080fdf5598111
Signed-off-by: Igor Nabirushkin <inabirushkin@nvidia.com>
Reviewed-on: http://git-master/r/658431
(cherry picked from commit 227b2248af0fd2193741ee34d5cc0b141bd57dd2)

1 files changed, 9 insertions, 2 deletions

diff --git a/include/linux/tegra_profiler.h b/include/linux/tegra_profiler.h
index e1dc1bd05..4aa43fffb 100644
--- a/include/linux/tegra_profiler.h
+++ b/include/linux/tegra_profiler.h
@@ -19,8 +19,8 @@
 
 #include <linux/ioctl.h>
 
-#define QUADD_SAMPLES_VERSION   30
-#define QUADD_IO_VERSION        15
+#define QUADD_SAMPLES_VERSION   31
+#define QUADD_IO_VERSION        16
 
 #define QUADD_IO_VERSION_DYNAMIC_RB             5
 #define QUADD_IO_VERSION_RB_MAX_FILL_COUNT      6
@@ -33,6 +33,7 @@
 #define QUADD_IO_VERSION_ARCH_TIMER_OPT         13
 #define QUADD_IO_VERSION_DATA_MMAP              14
 #define QUADD_IO_VERSION_BT_LOWER_BOUND         15
+#define QUADD_IO_VERSION_STACK_OFFSET           16
 
 #define QUADD_SAMPLE_VERSION_THUMB_MODE_FLAG    17
 #define QUADD_SAMPLE_VERSION_GROUP_SAMPLES      18
@@ -46,6 +47,7 @@
 #define QUADD_SAMPLE_VERSION_SCHED_SAMPLES      28
 #define QUADD_SAMPLE_VERSION_HDR_UNW_METHOD     29
 #define QUADD_SAMPLE_VERSION_HDR_ARCH_TIMER     30
+#define QUADD_SAMPLE_VERSION_STACK_OFFSET       31
 
 #define QUADD_MMAP_HEADER_VERSION               1
 
@@ -192,6 +194,9 @@ enum {
 #define QUADD_SED_UNW_METHOD_SHIFT      1
 #define QUADD_SED_UNW_METHOD_MASK       (0x07 << QUADD_SED_UNW_METHOD_SHIFT)
 
+#define QUADD_SED_STACK_OFFSET_SHIFT    4
+#define QUADD_SED_STACK_OFFSET_MASK     (0xffff << QUADD_SED_STACK_OFFSET_SHIFT)
+
 enum {
         QUADD_UNW_TYPE_FP = 0,
         QUADD_UNW_TYPE_UT,
@@ -302,6 +307,7 @@ struct quadd_debug_data {
 #define QUADD_HDR_UNW_METHOD_MASK       (0x07 << QUADD_HDR_UNW_METHOD_SHIFT)
 
 #define QUADD_HDR_USE_ARCH_TIMER        (1 << 3)
+#define QUADD_HDR_STACK_OFFSET          (1 << 4)
 
 struct quadd_header_data {
         u16 magic;
@@ -354,6 +360,7 @@ enum {
 #define QUADD_PARAM_EXTRA_BT_UNWIND_TABLES      (1 << 2)
 #define QUADD_PARAM_EXTRA_BT_MIXED              (1 << 3)
 #define QUADD_PARAM_EXTRA_USE_ARCH_TIMER        (1 << 4)
+#define QUADD_PARAM_EXTRA_STACK_OFFSET          (1 << 5)
 
 struct quadd_parameters {
         u32 freq;