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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/linux/trace.h
1 /* SPDX-License-Identifier: GPL-2.0 */
7 * The trace export - an export of Ftrace output. The trace_export
8 * can process traces and export them to a registered destination as
9 * an addition to the current only output of Ftrace - i.e. ring buffer.
11 * If you want traces to be sent to some other place rather than ring
12 * buffer only, just need to register a new trace_export and implement
13 * its own .write() function for writing traces to the storage.
15 * next - pointer to the next trace_export
16 * write - copy traces which have been delt with ->commit() to
20 struct trace_export __rcu
*next
;
21 void (*write
)(struct trace_export
*, const void *, unsigned int);
24 int register_ftrace_export(struct trace_export
*export
);
25 int unregister_ftrace_export(struct trace_export
*export
);
27 #endif /* CONFIG_TRACING */
29 #endif /* _LINUX_TRACE_H */