diff options
Diffstat (limited to 'driver/gator_backtrace.c')
| -rw-r--r-- | driver/gator_backtrace.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/driver/gator_backtrace.c b/driver/gator_backtrace.c index 0670d6c..ffacb49 100644 --- a/driver/gator_backtrace.c +++ b/driver/gator_backtrace.c @@ -132,13 +132,21 @@ static int report_trace(struct stackframe *frame, void *d) // Uncomment the following line to enable kernel stack unwinding within gator, note it can also be defined from the Makefile // #define GATOR_KERNEL_STACK_UNWINDING + +#if (defined(__arm__) || defined(__aarch64__)) && !defined(GATOR_KERNEL_STACK_UNWINDING) +// Disabled by default +MODULE_PARM_DESC(kernel_stack_unwinding, "Allow kernel stack unwinding."); +bool kernel_stack_unwinding = 0; +module_param(kernel_stack_unwinding, bool, 0644); +#endif + static void kernel_backtrace(int cpu, struct pt_regs *const regs) { #if defined(__arm__) || defined(__aarch64__) #ifdef GATOR_KERNEL_STACK_UNWINDING int depth = gator_backtrace_depth; #else - int depth = 1; + int depth = (kernel_stack_unwinding ? gator_backtrace_depth : 1); #endif struct stackframe frame; if (depth == 0) |