[PATCH] lockdep: stacktrace subsystem, core

Framework to generate and save stacktraces quickly, without printing anything
to the console.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ingo Molnar 2006-07-03 00:24:38 -07:00 committed by Linus Torvalds
parent f0a5c315eb
commit 8637c09901
4 changed files with 50 additions and 1 deletions

View file

@ -0,0 +1,20 @@
#ifndef __LINUX_STACKTRACE_H
#define __LINUX_STACKTRACE_H
#ifdef CONFIG_STACKTRACE
struct stack_trace {
unsigned int nr_entries, max_entries;
unsigned long *entries;
};
extern void save_stack_trace(struct stack_trace *trace,
struct task_struct *task, int all_contexts,
unsigned int skip);
extern void print_stack_trace(struct stack_trace *trace, int spaces);
#else
# define save_stack_trace(trace, task, all, skip) do { } while (0)
# define print_stack_trace(trace) do { } while (0)
#endif
#endif