aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/stacktrace.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2006-07-03 07:24:38 (GMT)
committerLinus Torvalds <torvalds@g5.osdl.org>2006-07-03 22:27:02 (GMT)
commit8637c09901049f061b94f684915d4f18ecf91d79 (patch)
tree83ca3ab38ab4d12f4e10176ba01ae33809388767 /kernel/stacktrace.c
parentf0a5c315eb266edc608a29971bb4ff1a3025c58f (diff)
downloadkernel_replicant_linux-8637c09901049f061b94f684915d4f18ecf91d79.zip
kernel_replicant_linux-8637c09901049f061b94f684915d4f18ecf91d79.tar.gz
kernel_replicant_linux-8637c09901049f061b94f684915d4f18ecf91d79.tar.bz2
[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>
Diffstat (limited to 'kernel/stacktrace.c')
-rw-r--r--kernel/stacktrace.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
new file mode 100644
index 0000000..b71816e
--- /dev/null
+++ b/kernel/stacktrace.c
@@ -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);
+ }
+}
+