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[SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-125-gae2552d
- From: fche at sourceware dot org
- To: systemtap-cvs at sourceware dot org
- Date: 7 Jul 2009 18:44:10 -0000
- Subject: [SCM] systemtap: system-wide probe/trace tool branch, master, updated. release-0.9.8-125-gae2552d
- Reply-to: systemtap at sourceware dot org
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- Log -----------------------------------------------------------------
commit ae2552daf405ab1f59ddc862cfe0fcb4d90f8174
Author: Frank Ch. Eigler <fche@elastic.org>
Date: Tue Jul 7 14:36:53 2009 -0400
PR3498: speed up pass-2 and pass-3 for kernel offline dwfl module searching
* dwflpp.cxx (dwflpp ctor): Parametrize for user/kernel modes.
Update callers.
(dwfl_report_offline_predicate): New function. Filter and
abort searches early if possible.
(setup_kernel): Use new predicate.
* dwflpp.h: Corresponding changes.
* tapsets.cxx (dwfl_report_offline_predicate): Remove this shared
implementation.
(dwarf_builder): Turn kern_dw into module_name->dwflpp* map, just
like user_dw.
(get_kern_dw): Adapt.
(dwarf_build_no_more): Adapt.
* tapsets.h: Remove old shared predicate.
* translate.cxx (dwfl_report_offline_predicate2): New function.
Filter and abort searches early if possible.
(emit_symbol_data): Use it.
-----------------------------------------------------------------------
Summary of changes:
dwflpp.cxx | 64 +++++++++++++++++++++++++++++++++++++++++++-------------
dwflpp.h | 4 +-
tapsets.cxx | 49 +++++++++++++++++++------------------------
tapsets.h | 1 -
translate.cxx | 59 ++++++++++++++++++++++++++++++++++++++++++---------
5 files changed, 121 insertions(+), 56 deletions(-)
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systemtap: system-wide probe/trace tool