Contributors: 6
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Martin Schwidefsky |
139 |
54.94% |
1 |
7.14% |
| Heiko Carstens |
74 |
29.25% |
8 |
57.14% |
| Pratyush Anand |
25 |
9.88% |
1 |
7.14% |
| Ingo Molnar |
13 |
5.14% |
2 |
14.29% |
| Paul Gortmaker |
1 |
0.40% |
1 |
7.14% |
| Greg Kroah-Hartman |
1 |
0.40% |
1 |
7.14% |
| Total |
253 |
|
14 |
|
// SPDX-License-Identifier: GPL-2.0
/*
* Stack trace management functions
*
* Copyright IBM Corp. 2006
* Author(s): Heiko Carstens <heiko.carstens@de.ibm.com>
*/
#include <linux/sched.h>
#include <linux/sched/debug.h>
#include <linux/stacktrace.h>
#include <linux/kallsyms.h>
#include <linux/export.h>
#include <asm/stacktrace.h>
#include <asm/unwind.h>
void save_stack_trace(struct stack_trace *trace)
{
struct unwind_state state;
unwind_for_each_frame(&state, current, NULL, 0) {
if (trace->nr_entries >= trace->max_entries)
break;
if (trace->skip > 0)
trace->skip--;
else
trace->entries[trace->nr_entries++] = state.ip;
}
}
EXPORT_SYMBOL_GPL(save_stack_trace);
void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
struct unwind_state state;
unwind_for_each_frame(&state, tsk, NULL, 0) {
if (trace->nr_entries >= trace->max_entries)
break;
if (in_sched_functions(state.ip))
continue;
if (trace->skip > 0)
trace->skip--;
else
trace->entries[trace->nr_entries++] = state.ip;
}
}
EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
void save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
{
struct unwind_state state;
unwind_for_each_frame(&state, current, regs, 0) {
if (trace->nr_entries >= trace->max_entries)
break;
if (trace->skip > 0)
trace->skip--;
else
trace->entries[trace->nr_entries++] = state.ip;
}
}
EXPORT_SYMBOL_GPL(save_stack_trace_regs);