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kernel/stacktrace.c
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/* * kernel/stacktrace.c * * Stack trace management functions * * Copyright (C) 2006 Red Hat, Inc., Ingo Molnar <mingo@redhat.com> */ #include <linux/sched.h> |
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#include <linux/kernel.h> |
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#include <linux/module.h> |
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#include <linux/kallsyms.h> #include <linux/stacktrace.h> void print_stack_trace(struct stack_trace *trace, int spaces) { |
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int i; |
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if (WARN_ON(!trace->entries)) return; |
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for (i = 0; i < trace->nr_entries; i++) { |
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printk("%*c", 1 + spaces, ' '); print_ip_sym(trace->entries[i]); |
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} } |
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EXPORT_SYMBOL_GPL(print_stack_trace); |
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/* * Architectures that do not implement save_stack_trace_tsk get this * weak alias and a once-per-bootup warning (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. "); } |