diff options
| author | David Srbecky <dsrbecky@google.com> | 2018-03-14 21:30:25 +0000 |
|---|---|---|
| committer | Christopher Ferris <cferris@google.com> | 2018-03-29 08:47:49 -0700 |
| commit | 12d902961b2f119dfccd71523041949ff1668c6e (patch) | |
| tree | 62732f2636dd1b34374e499b01880ede276314a7 /healthd | |
| parent | 8dc3f941131332dd240b12fea422c06e0af51572 (diff) | |
| download | core-12d902961b2f119dfccd71523041949ff1668c6e.tar.gz core-12d902961b2f119dfccd71523041949ff1668c6e.tar.bz2 core-12d902961b2f119dfccd71523041949ff1668c6e.zip | |
Cache DWARF location rules for a given pc.
Decoding the DWARF opcodes is expensive so make sure we cache it.
This speeds unwinding in simpleperf by over a factor of 3x.
Add unit tests for this new behavior.
Bug: 77258731
Test: libbacktrace/libunwindstack unit tests on host and target.
Test: Ran debuggerd -b on various processes on target.
Change-Id: Ia516c0fa5d3e5f76746190bb4b6fdf49fd1c9388
(cherry picked from commit 3386ebade2d28fd3ef68c576bb0375bd226a1320)
Diffstat (limited to 'healthd')
0 files changed, 0 insertions, 0 deletions