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| author | Tim Moore <timoore@redhat.com> | 2009-02-02 15:58:53 +0100 |
|---|---|---|
| committer | Tim Moore <timoore@redhat.com> | 2009-02-11 18:20:20 +0100 |
| commit | bbc46bf643491173b9086907cf0820b3fd2c1fe3 (patch) | |
| tree | 9b74716911ed9deb015b1f12c4e2f31ed90a8339 /runtime/stack-x86_64.c | |
| parent | 89dd03e34c2f890e9fbb065c74a60036aa480827 (diff) | |
| download | systemtap-steved-bbc46bf643491173b9086907cf0820b3fd2c1fe3.tar.gz systemtap-steved-bbc46bf643491173b9086907cf0820b3fd2c1fe3.tar.xz systemtap-steved-bbc46bf643491173b9086907cf0820b3fd2c1fe3.zip | |
Use kernel stack backtrace support when available
Define new functions that use the kernel support to do a backtrace of other
tasks than current.
Diffstat (limited to 'runtime/stack-x86_64.c')
| -rw-r--r-- | runtime/stack-x86_64.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/runtime/stack-x86_64.c b/runtime/stack-x86_64.c index d3ec91cf..060f370d 100644 --- a/runtime/stack-x86_64.c +++ b/runtime/stack-x86_64.c @@ -9,6 +9,8 @@ */ /* DWARF unwinder failed. Just dump intereting addresses on kernel stack. */ + +#ifndef CONFIG_STACKTRACE static void _stp_stack_print_fallback(unsigned long stack, int verbose, int levels) { unsigned long addr; @@ -22,6 +24,8 @@ static void _stp_stack_print_fallback(unsigned long stack, int verbose, int leve stack++; } } +#endif + static void __stp_stack_print(struct pt_regs *regs, int verbose, int levels) { @@ -48,3 +52,5 @@ static void __stp_stack_print(struct pt_regs *regs, int verbose, int levels) _stp_stack_print_fallback(REG_SP(regs), verbose, levels); #endif } + + |