// SPDX-License-Identifier: GPL-2.0-only
/*
* Stack trace management functions
*
* Copyright ( C ) 2009 - 2021 Helge Deller < deller @ gmx . de >
* based on arch / x86 / kernel / stacktrace . c by Ingo Molnar < mingo @ redhat . com >
* and parisc unwind functions by Randolph Chung < tausq @ debian . org >
*
* TODO : Userspace stacktrace ( CONFIG_USER_STACKTRACE_SUPPORT )
*/
#include <linux/kernel.h>
#include <linux/stacktrace.h>
#include <asm /unwind.h>
static void notrace walk_stackframe(struct task_struct *task,
struct pt_regs *regs, bool (*fn)(void *, unsigned long ), void *cookie)
{
struct unwind_frame_info info;
unwind_frame_init_task(&info, task, NULL);
while (1 ) {
if (unwind_once(&info) < 0 || info.ip == 0 )
break ;
if (__kernel_text_address(info.ip))
if (!fn(cookie, info.ip))
break ;
}
}
void arch_stack_walk(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task, struct pt_regs *regs)
{
walk_stackframe(task, regs, consume_entry, cookie);
}
int arch_stack_walk_reliable(stack_trace_consume_fn consume_entry, void *cookie,
struct task_struct *task)
{
walk_stackframe(task, NULL, consume_entry, cookie);
return 1 ;
}
Messung V0.5 in Prozent C=96 H=84 G=90
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-09-28)
¤
*© Formatika GbR, Deutschland