[for-next][PATCH 00/13] tracing/ring-buffer: Persistent traces across a reboot or crash

[Steven Rostedt <rostedt@goodmis.org>]

  git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
ring-buffer/for-next

Head SHA1: a62b4f6fbdffa8e90959da485b68f844241d300f


Steven Rostedt (Google) (13):
      ring-buffer: Allow mapped field to be set without mapping
      ring-buffer: Add ring_buffer_alloc_range()
      ring-buffer: Add ring_buffer_meta data
      tracing: Implement creating an instance based on a given memory region
      ring-buffer: Add output of ring buffer meta page
      ring-buffer: Add test if range of boot buffer is valid
      ring-buffer: Validate boot range memory events
      tracing: Add option to use memmapped memory for trace boot instance
      ring-buffer: Save text and data locations in mapped meta data
      tracing/ring-buffer: Add last_boot_info file to boot instance
      tracing: Handle old buffer mappings for event strings and functions
      tracing: Update function tracing output for previous boot buffer
      tracing: Add last boot delta offset for stack traces

----
 Documentation/admin-guide/kernel-parameters.txt |   9 +
 include/linux/ring_buffer.h                     |  20 +
 kernel/trace/ring_buffer.c                      | 878 +++++++++++++++++++++---
 kernel/trace/trace.c                            | 242 ++++++-
 kernel/trace/trace.h                            |  10 +-
 kernel/trace/trace_output.c                     |  12 +-
 6 files changed, 1056 insertions(+), 115 deletions(-)