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| 2 | #ifndef _LINUX_TRACE_H
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| 3 | #define _LINUX_TRACE_H
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| 4 |
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| 5 | #ifdef CONFIG_TRACING
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| 6 |
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| 7 | #define TRACE_EXPORT_FUNCTION BIT(0)
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| 8 | #define TRACE_EXPORT_EVENT BIT(1)
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| 9 | #define TRACE_EXPORT_MARKER BIT(2)
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| 10 |
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| 11 | |
| 12 | * The trace export - an export of Ftrace output. The trace_export
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| 13 | * can process traces and export them to a registered destination as
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| 14 | * an addition to the current only output of Ftrace - i.e. ring buffer.
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| 15 | *
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| 16 | * If you want traces to be sent to some other place rather than ring
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| 17 | * buffer only, just need to register a new trace_export and implement
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| 18 | * its own .write() function for writing traces to the storage.
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| 19 | *
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| 20 | * next - pointer to the next trace_export
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| 21 | * write - copy traces which have been delt with ->commit() to
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| 22 | * the destination
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| 23 | * flags - which ftrace to be exported
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| 24 |
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| 25 | struct trace_export {
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| 26 | struct trace_export __rcu *next;
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| 27 | void (*write)(struct trace_export *, const void *, unsigned int);
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| 28 | int flags;
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| 29 | };
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| 30 |
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| 31 | int register_ftrace_export(struct trace_export *export);
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| 32 | int unregister_ftrace_export(struct trace_export *export);
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| 33 |
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| 34 | struct trace_array;
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| 35 |
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| 36 | void trace_printk_init_buffers(void);
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| 37 | __printf(3, 4)
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| 38 | int trace_array_printk(struct trace_array *tr, unsigned long ip,
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| 39 | const char *fmt, ...);
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| 40 | int trace_array_init_printk(struct trace_array *tr);
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| 41 | void trace_array_put(struct trace_array *tr);
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| 42 | struct trace_array *trace_array_get_by_name(const char *name);
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| 43 | int trace_array_destroy(struct trace_array *tr);
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| 44 |
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| 45 |
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| 46 | int osnoise_arch_register(void);
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| 47 | void osnoise_arch_unregister(void);
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| 48 | void osnoise_trace_irq_entry(int id);
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| 49 | void osnoise_trace_irq_exit(int id, const char *desc);
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| 50 |
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| 51 | #endif
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| 52 |
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| 53 | #endif
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