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| author | Martin Schwidefsky <[email protected]> | 2019-01-28 07:33:08 +0000 |
|---|---|---|
| committer | Martin Schwidefsky <[email protected]> | 2019-05-02 11:54:11 +0000 |
| commit | 78c98f9074135d3dab4e39544e0a537f92388fce (patch) | |
| tree | 6f6d96e8e0911fe2aa27ec89cca52d56d3ed6f7e /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | s390/opcodes: add missing instructions to the disassembler (diff) | |
| download | kernel-78c98f9074135d3dab4e39544e0a537f92388fce.tar.gz kernel-78c98f9074135d3dab4e39544e0a537f92388fce.zip | |
s390/unwind: introduce stack unwind API
Rework the dump_trace() stack unwinder interface to support different
unwinding algorithms. The new interface looks like this:
struct unwind_state state;
unwind_for_each_frame(&state, task, regs, start_stack)
do_something(state.sp, state.ip, state.reliable);
The unwind_bc.c file contains the implementation for the classic
back-chain unwinder.
One positive side effect of the new code is it now handles ftraced
functions gracefully. It prints the real name of the return function
instead of 'return_to_handler'.
Signed-off-by: Martin Schwidefsky <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions