mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 19:06:41 +07:00
d39e17c7f8
Both warning and warning_symbol are nowhere used. Let's get rid of them. Signed-off-by: Richard Weinberger <richard@nod.at> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
42 lines
991 B
C
42 lines
991 B
C
/*
|
|
* Performance event callchain support - SuperH architecture code
|
|
*
|
|
* Copyright (C) 2009 Paul Mundt
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/sched.h>
|
|
#include <linux/perf_event.h>
|
|
#include <linux/percpu.h>
|
|
#include <asm/unwinder.h>
|
|
#include <asm/ptrace.h>
|
|
|
|
static int callchain_stack(void *data, char *name)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static void callchain_address(void *data, unsigned long addr, int reliable)
|
|
{
|
|
struct perf_callchain_entry *entry = data;
|
|
|
|
if (reliable)
|
|
perf_callchain_store(entry, addr);
|
|
}
|
|
|
|
static const struct stacktrace_ops callchain_ops = {
|
|
.stack = callchain_stack,
|
|
.address = callchain_address,
|
|
};
|
|
|
|
void
|
|
perf_callchain_kernel(struct perf_callchain_entry *entry, struct pt_regs *regs)
|
|
{
|
|
perf_callchain_store(entry, regs->pc);
|
|
|
|
unwind_stack(NULL, regs, NULL, &callchain_ops, entry);
|
|
}
|