[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

24
kernel/stacktrace.c Normal file
View file

@ -0,0 +1,24 @@
/*
* kernel/stacktrace.c
*
* Stack trace management functions
*
* Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
*/
#include <linux/sched.h>
#include <linux/kallsyms.h>
#include <linux/stacktrace.h>
void print_stack_trace(struct stack_trace *trace, int spaces)
{
int i, j;
for (i = 0; i < trace->nr_entries; i++) {
unsigned long ip = trace->entries[i];
for (j = 0; j < spaces + 1; j++)
printk(" ");
print_ip_sym(ip);
}
}