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https://github.com/torvalds/linux.git
synced 2026-10-07 22:37:45 -04:00
Joonsoo Kim
9a92a6ce6f
Current stacktrace only have the function for console output. page_owner that will be introduced in following patch needs to print the output of stacktrace into the buffer for our own output format so so new function, snprint_stack_trace(), is needed. Signed-off-by: Joonsoo Kim <[email protected]> Cc: Mel Gorman <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Minchan Kim <[email protected]> Cc: Dave Hansen <[email protected]> Cc: Michal Nazarewicz <[email protected]> Cc: Jungsoo Son <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Joonsoo Kim <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#ifndef __LINUX_STACKTRACE_H
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#define __LINUX_STACKTRACE_H
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#include <linux/types.h>
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struct task_struct;
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struct pt_regs;
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#ifdef CONFIG_STACKTRACE
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struct task_struct;
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struct stack_trace {
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unsigned int nr_entries, max_entries;
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unsigned long *entries;
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int skip; /* input argument: How many entries to skip */
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};
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extern void save_stack_trace(struct stack_trace *trace);
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extern void save_stack_trace_regs(struct pt_regs *regs,
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struct stack_trace *trace);
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extern void save_stack_trace_tsk(struct task_struct *tsk,
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struct stack_trace *trace);
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extern void print_stack_trace(struct stack_trace *trace, int spaces);
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extern int snprint_stack_trace(char *buf, size_t size,
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struct stack_trace *trace, int spaces);
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#ifdef CONFIG_USER_STACKTRACE_SUPPORT
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extern void save_stack_trace_user(struct stack_trace *trace);
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#else
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# define save_stack_trace_user(trace) do { } while (0)
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#endif
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#else
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# define save_stack_trace(trace) do { } while (0)
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# define save_stack_trace_tsk(tsk, trace) do { } while (0)
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# define save_stack_trace_user(trace) do { } while (0)
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# define print_stack_trace(trace, spaces) do { } while (0)
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# define snprint_stack_trace(buf, size, trace, spaces) do { } while (0)
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#endif
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#endif
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