hi,
adding support to decompress kernel modules on Fedora 21
(lzma compression) vaguely continuing in previous RFC:
http://marc.info/?l=linux-kernel&m=142261340327588&w=2
I'm basically extending he decompression framework Namhyung
introduced earlier plus other fixes for kernel modules dso
objects handling.
Last patch adds decompression support to annotate command, so
it now displays annotation for compressed kernel modules.
Current work available at:
git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git
perf/lzma
thanks,
jirka
Signed-off-by: Jiri Olsa <jo...@kernel.org>
Cc: Adrian Hunter <adrian.hun...@intel.com>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Corey Ashford <cjash...@linux.vnet.ibm.com>
Cc: David Ahern <dsah...@gmail.com>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Paul Mackerras <pau...@samba.org>
Cc: Peter Zijlstra <a.p.zijls...@chello.nl>
Cc: Stephane Eranian <eran...@google.com>
---
Jiri Olsa (14):
perf tools: Remove superfluous thread->comm_set setting
perf tools: Add feature check for lzma library
perf tools: Add lzma decompression support for kernel module
perf tools: Add kmod_path__parse function
perf tools: Add dsos__new function
perf tools: Add machine__module_dso function
perf tools: Use kmod_path__parse for machine__new_dso
perf tools: Use kmod_path__parse in map_groups__set_modules_path_dir
perf tools: Use kmod_path__parse in decompress_kmodule
perf tools: Use kmod_path__parse in is_kernel_module
perf tools: Remove compressed argument from is_kernel_module
perf tools: Remove is_kmodule_extension function
perf tools: Try to lookup kernel module map before creating one
perf annotate: Allow annotation for decompressed kernel modules
tools/perf/Makefile.perf | 2 ++
tools/perf/config/Makefile | 16 ++++++++--
tools/perf/config/feature-checks/Makefile | 6 +++-
tools/perf/config/feature-checks/test-lzma.c | 10 ++++++
tools/perf/tests/Build | 1 +
tools/perf/tests/builtin-test.c | 4 +++
tools/perf/tests/kmod-path.c | 73
++++++++++++++++++++++++++++++++++++++++++++
tools/perf/tests/tests.h | 1 +
tools/perf/util/Build | 1 +
tools/perf/util/annotate.c | 32 +++++++++++++++++++-
tools/perf/util/dso.c | 52
++++++++++++--------------------
tools/perf/util/dso.h | 4 +--
tools/perf/util/header.c | 2 +-
tools/perf/util/lzma.c | 95
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/perf/util/machine.c | 142
+++++++++++++++++++++++++++++++++++++++++++++-----------------------------------------
tools/perf/util/symbol-elf.c | 25 ++++++++++-----
tools/perf/util/thread.c | 1 -
tools/perf/util/util.c | 66
++++++++++++++++++++++++++++++++++++++++
tools/perf/util/util.h | 18 +++++++++++
19 files changed, 436 insertions(+), 115 deletions(-)
create mode 100644 tools/perf/config/feature-checks/test-lzma.c
create mode 100644 tools/perf/tests/kmod-path.c
create mode 100644 tools/perf/util/lzma.c
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