diff options
| author | Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | 2011-03-16 19:04:22 -0400 |
|---|---|---|
| committer | Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | 2011-03-16 19:04:22 -0400 |
| commit | 84ee25891ad85acd920109cc1c32eab1ffc68a60 (patch) | |
| tree | ae2577647dd2f07967d1b7e2fd361d49b8c66afa /arch/x86/kernel | |
| parent | cb1a4478031726da276ad85efc2e89afb5bc01b7 (diff) | |
lttng-core/lttng-core-x86
LTTng core x86
Adds OOPS printing indication of nesting within tracer code.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Ingo Molnar <mingo@redhat.com>
CC: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/dumpstack.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c index 6679e16fc31..6bed23e1c74 100644 --- a/arch/x86/kernel/dumpstack.c +++ b/arch/x86/kernel/dumpstack.c @@ -15,6 +15,7 @@ #include <linux/bug.h> #include <linux/nmi.h> #include <linux/sysfs.h> +#include <linux/ltt-core.h> #include <asm/stacktrace.h> @@ -279,6 +280,10 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) printk("DEBUG_PAGEALLOC"); #endif printk("\n"); +#ifdef CONFIG_LTT + printk(KERN_EMERG "LTT NESTING LEVEL : %u", __get_cpu_var(ltt_nesting)); + printk("\n"); +#endif sysfs_printk_last_file(); if (notify_die(DIE_OOPS, str, regs, err, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP) |