Release 4.15 kernel/stacktrace.c
/*
* kernel/stacktrace.c
*
* Stack trace management functions
*
* Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com>
*/
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/kallsyms.h>
#include <linux/stacktrace.h>
void print_stack_trace(struct stack_trace *trace, int spaces)
{
int i;
if (WARN_ON(!trace->entries))
return;
for (i = 0; i < trace->nr_entries; i++)
printk("%*c%pS\n", 1 + spaces, ' ', (void *)trace->entries[i]);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ingo Molnar | 35 | 54.69% | 1 | 25.00% |
| Vegard Nossum | 12 | 18.75% | 1 | 25.00% |
| Johannes Berg | 11 | 17.19% | 1 | 25.00% |
| Omar Sandoval | 6 | 9.38% | 1 | 25.00% |
| Total | 64 | 100.00% | 4 | 100.00% |
EXPORT_SYMBOL_GPL(print_stack_trace);
int snprint_stack_trace(char *buf, size_t size,
struct stack_trace *trace, int spaces)
{
int i;
int generated;
int total = 0;
if (WARN_ON(!trace->entries))
return 0;
for (i = 0; i < trace->nr_entries; i++) {
generated = snprintf(buf, size, "%*c%pS\n", 1 + spaces, ' ',
(void *)trace->entries[i]);
total += generated;
/* Assume that generated isn't a negative number */
if (generated >= size) {
buf += size;
size = 0;
} else {
buf += generated;
size -= generated;
}
}
return total;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| JoonSoo Kim | 117 | 94.35% | 1 | 50.00% |
| Omar Sandoval | 7 | 5.65% | 1 | 50.00% |
| Total | 124 | 100.00% | 2 | 100.00% |
EXPORT_SYMBOL_GPL(snprint_stack_trace);
/*
* Architectures that do not implement save_stack_trace_*()
* get these weak aliases and once-per-bootup warnings
* (whenever this facility is utilized - for example by procfs):
*/
__weak void
save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
{
WARN_ONCE(1, KERN_INFO "save_stack_trace_tsk() not implemented yet.\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ingo Molnar | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
__weak void
save_stack_trace_regs(struct pt_regs *regs, struct stack_trace *trace)
{
WARN_ONCE(1, KERN_INFO "save_stack_trace_regs() not implemented yet.\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Masami Hiramatsu | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
__weak int
save_stack_trace_tsk_reliable(struct task_struct *tsk,
struct stack_trace *trace)
{
WARN_ONCE(1, KERN_INFO "save_stack_tsk_reliable() not implemented yet.\n");
return -ENOSYS;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Josh Poimboeuf | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| JoonSoo Kim | 122 | 41.92% | 1 | 10.00% |
| Ingo Molnar | 79 | 27.15% | 3 | 30.00% |
| Josh Poimboeuf | 29 | 9.97% | 1 | 10.00% |
| Masami Hiramatsu | 24 | 8.25% | 1 | 10.00% |
| Omar Sandoval | 13 | 4.47% | 1 | 10.00% |
| Vegard Nossum | 12 | 4.12% | 1 | 10.00% |
| Johannes Berg | 11 | 3.78% | 1 | 10.00% |
| Paul Gortmaker | 1 | 0.34% | 1 | 10.00% |
| Total | 291 | 100.00% | 10 | 100.00% |
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