linux.git/tools/lib/traceevent, branch v4.10-rc2

Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

2016-12-18T00:24:13+00:00

Pull kbuild updates from Michal Marek:

 - prototypes for x86 asm-exported symbols (Adam Borowski) and a warning
   about missing CRCs (Nick Piggin)

 - asm-exports fix for LTO (Nicolas Pitre)

 - thin archives improvements (Nick Piggin)

 - linker script fix for CONFIG_LD_DEAD_CODE_DATA_ELIMINATION (Nick
   Piggin)

 - genksyms support for __builtin_va_list keyword

 - misc minor fixes

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  x86/kbuild: enable modversions for symbols exported from asm
  kbuild: fix scripts/adjust_autoksyms.sh* for the no modules case
  scripts/kallsyms: remove last remnants of --page-offset option
  make use of make variable CURDIR instead of calling pwd
  kbuild: cmd_export_list: tighten the sed script
  kbuild: minor improvement for thin archives build
  kbuild: modpost warn if export version crc is missing
  kbuild: keep data tables through dead code elimination
  kbuild: improve linker compatibility with lib-ksyms.o build
  genksyms: Regenerate parser
  kbuild/genksyms: handle va_list type
  kbuild: thin archives for multi-y targets
  kbuild: kallsyms allow 3-pass generation if symbols size has changed

make use of make variable CURDIR instead of calling pwd

2016-12-11T11:12:56+00:00

make already provides the current working directory in a variable, so make
use of it instead of forking a shell. Also replace usage of PWD by
CURDIR. PWD is provided by most shells, but not all, so this makes the
build system more robust.

Signed-off-by: Uwe Kleine-König 
Signed-off-by: Michal Marek

tools lib traceevent: Add retrieval of preempt count and latency flags

2016-11-23T13:44:03+00:00

Add a way to retrieve the preempt count as well as the latency flags from a
pevent_record.

  int pevent_data_preempt_count(pevent, record);

returns the preempt count of a record.

  int pevent_data_flags(pevent, record);

returns the latency flags for a record.

Signed-off-by: Steven Rostedt 
Acked-by: Namhyung Kim 
Cc: Andrew Morton 
Cc: Jiri Olsa 
Link: http://lkml.kernel.org/r/20161122113158.03a010a8@gandalf.local.home
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Use USECS_PER_SEC instead of hardcoded number

2016-11-23T13:44:02+00:00

Instead of using 1000000, use the define in time64.h instead.

Also remove the the duplicate defines for NSECS_PER_SEC.

Signed-off-by: Steven Rostedt 
Acked-by: Namhyung Kim 
Cc: Andrew Morton 
Cc: Jiri Olsa 
Link: http://lkml.kernel.org/r/20161121114149.67111981@gandalf.local.home
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Add version for traceevent shared object

2016-10-24T14:07:32+00:00

Adding version support for libtraceevent.so object.

Using the existing EVENT_PARSE_VERSION variable to construct
the .so object version string, which now consists of:

  $(EP_VERSION).$(EP_PATCHLEVEL).$(EP_EXTRAVERSION)

Looks like it was created for this purpose anyway.

The build will now produce following traeceevent libraries:

  $ ll libtraceevent*
  libtraceevent.a
  libtraceevent.so -> libtraceevent.so.1.1.0
  libtraceevent.so.1 -> libtraceevent.so.1.1.0
  libtraceevent.so.1.1.0

Also the install target will carry them:

  $ make DESTDIR=/tmp/krava prefix=/usr install
  INSTALL  trace_plugins
  INSTALL  libtraceevent.a
  INSTALL  libtraceevent.so.1.1.0

  $ find /tmp/krava/ | xargs ls -l
  ...
  /tmp/krava/usr/lib64:
  total 572
  libtraceevent.a
  libtraceevent.so -> libtraceevent.so.1.1.0
  libtraceevent.so.1 -> libtraceevent.so.1.1.0
  libtraceevent.so.1.1.0
  ...

Signed-off-by: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Steven Rostedt 
Link: http://lkml.kernel.org/n/tip-v64z62fh0dwt0ueie5usrnac@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Rename LIB_FILE to LIB_TARGET

2016-10-24T14:07:32+00:00

To ease up following patch.

Signed-off-by: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Steven Rostedt 
Link: http://lkml.kernel.org/n/tip-zpv5gd8y7clwrhh6dq03ucd5@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Add do_install_mkdir Makefile function

2016-10-24T14:07:31+00:00

Decompose the do_install function to ease up
the following patch a little.

Signed-off-by: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Steven Rostedt 
Link: http://lkml.kernel.org/n/tip-zzs19yx8seyors532vuer37w@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Add install_headers target

2016-10-24T14:07:31+00:00

Adding install_headers target to install all headers
under 'include/traceevent' path, like:

  $ make DESTDIR=/tmp/krava prefix=/usr install_headers
  $ find /tmp/krava/ -type f
  /tmp/krava/usr/include/traceevent/kbuffer.h
  /tmp/krava/usr/include/traceevent/event-utils.h
  /tmp/krava/usr/include/traceevent/event-parse.h

Signed-off-by: Jiri Olsa 
Cc: Namhyung Kim 
Cc: Steven Rostedt 
Link: http://lkml.kernel.org/n/tip-if70lj3zhdc3csdqm5webjvc@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Fix kbuffer_read_at_offset()

2016-10-05T14:36:22+00:00

When it's called with an offset less than or equal to the first event,
it'll return a garbage value since the data is not initialized.

Signed-off-by: Namhyung Kim 
Acked-by: Steven Rostedt 
Cc: Jiri Olsa 
Cc: Peter Zijlstra 
Link: http://lkml.kernel.org/r/20161001101700.29146-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo

tools lib traceevent: Ignore generated library files

2016-08-02T15:16:13+00:00

Signed-off-by: Namhyung Kim 
Cc: David Ahern 
Cc: Jiri Olsa 
Cc: Peter Zijlstra 
Cc: Steven Rostedt 
Link: http://lkml.kernel.org/r/20160802050148.3413-1-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo