linux-kernel - [PATCH 00/16] dynamic-debug cleanups, 2 new features

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Date:   Wed, 27 Nov 2019 10:49:29 -0700
From:   Jim Cromie <jim.cromie@...il.com>
To:     jbaron@...mai.com, linux-kernel@...r.kernel.org
Cc:     linux@...musvillemoes.dk, greg@...ah.com,
        Jim Cromie <jim.cromie@...il.com>,
        saiprakash.ranjan@...eaurora.org
Subject: [PATCH 00/16] dynamic-debug cleanups, 2 new features

this is v2 of patchset posted earlier:
https://lkml.org/lkml/2019/10/29/989

changes from v1:
  dont drop trim_prefix yet, its harmless, and better supports old compilers.
  dont move externs to header, despite checkpatch

New Features (review):

accept new query input:
  file inode.c:100-200
  file inode.c:start_*

add 'xyz' user flags, allowing user to compose an arbitrary set of
callsites by marking them with user flags.  This takes 3 remaining
bits in the flags byte.

extend flags-spec to allow filter-flags, which select callsites for
modification based upon their current flags.  This lets user activate
the set of callsites composed previously (xy+p).

cc: <saiprakash.ranjan@...eaurora.org>


Jim Cromie (16):
  dyndbg-docs: eschew file /full/path query in docs
  dyndbg: drop obsolete comment on ddebug_proc_open
  dyndbg: raise verbosity needed to enable ddebug_proc_* logging
  dyndbg: rename __verbose section to __dyndbg
  dyndbg: fix overcounting of ram used by dyndbg
  dyndbg: fix a BUG_ON in ddebug_describe_flags
  dyndbg: refactor parse_linerange out of ddebug_parse_query
  dyndbg: accept 'file foo.c:func1' and 'file foo.c:10-100'
  dyndbg: refactor ddebug_read_flags out of ddebug_parse_flags
  dyndbg: combine flags & mask into a struct, use that
  dyndbg: add filter parameter to ddebug_parse_flags
  dyndbg: extend ddebug_parse_flags to accept optional filter-flags
  dyndbg: prefer declarative init in caller, to memset in callee
  dyndbg: add inverted-flags, implement filtering on flags
  dyndbg: allow inverted-flag-chars in modflags
  dyndbg: make ddebug_tables list LIFO for add/remove_module

 .../admin-guide/dynamic-debug-howto.rst       |  72 +++--
 include/asm-generic/vmlinux.lds.h             |   6 +-
 include/linux/dynamic_debug.h                 |   7 +-
 kernel/module.c                               |   2 +-
 lib/dynamic_debug.c                           | 283 +++++++++++-------
 5 files changed, 232 insertions(+), 138 deletions(-)

-- 
2.23.0