[PATCHv4 0/2] tunables for glibc

[Siddhesh Poyarekar]

Hi,

After another episode of disappearance, here is an updated iteration of the
tunables patch with suggestions from Florian, Carlos and H. J. incorporated.
Changes since the last version:

 - Fixed mallopt behaviour using a set of intermediate functions that the
   callback and __libc_mallopt use.  I did not make them into direct callbacks
   because the callbacks are built only when tunables is enabled.

 - Loads of comment and documentation fixes based on Carlos' and Florian's
   suggestions

 - Call __init_tunables even earlier to ensure that tunables are initialized
   before get_cpu_features is called.

Siddhesh Poyarekar (2):
  Add framework for tunables
  Initialize tunable list with the GLIBC_TUNABLES environment variable

 INSTALL                                    |   5 +
 Makeconfig                                 |  16 ++
 README.tunables                            |  84 +++++++++
 config.h.in                                |   3 +
 config.make.in                             |   1 +
 configure                                  |  16 ++
 configure.ac                               |  10 +
 csu/init-first.c                           |   7 +
 elf/Makefile                               |   5 +
 elf/Versions                               |   3 +
 elf/dl-sysdep.c                            |   8 +
 elf/dl-tunable-types.h                     |  46 +++++
 elf/dl-tunables.c                          | 284 +++++++++++++++++++++++++++++
 elf/dl-tunables.h                          |  78 ++++++++
 elf/dl-tunables.list                       |  69 +++++++
 malloc/Makefile                            |   7 +-
 malloc/arena.c                             |  54 ++++++
 malloc/malloc.c                            | 126 +++++++++----
 malloc/tst-malloc-usable-static-tunables.c |   1 +
 malloc/tst-malloc-usable-static.c          |   1 +
 malloc/tst-malloc-usable-tunables.c        |   1 +
 manual/install.texi                        |   5 +
 scripts/gen-tunables.awk                   | 157 ++++++++++++++++
 sysdeps/mach/hurd/dl-sysdep.c              |   8 +
 sysdeps/mach/hurd/i386/init-first.c        |   8 +
 25 files changed, 968 insertions(+), 35 deletions(-)
 create mode 100644 README.tunables
 create mode 100644 elf/dl-tunable-types.h
 create mode 100644 elf/dl-tunables.c
 create mode 100644 elf/dl-tunables.h
 create mode 100644 elf/dl-tunables.list
 create mode 100644 malloc/tst-malloc-usable-static-tunables.c
 create mode 100644 malloc/tst-malloc-usable-static.c
 create mode 100644 malloc/tst-malloc-usable-tunables.c
 create mode 100644 scripts/gen-tunables.awk

-- 
2.7.4