add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/kernel/trace/trace.h
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@@ -725,8 +725,11 @@
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 void tracing_reset_online_cpus(struct array_buffer *buf);
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 void tracing_reset_current(int cpu);
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 void tracing_reset_all_online_cpus(void);
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+void tracing_reset_all_online_cpus_unlocked(void);
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 int tracing_open_generic(struct inode *inode, struct file *filp);
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 int tracing_open_generic_tr(struct inode *inode, struct file *filp);
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+int tracing_open_file_tr(struct inode *inode, struct file *filp);
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+int tracing_release_file_tr(struct inode *inode, struct file *filp);
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 bool tracing_is_disabled(void);
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 bool tracer_tracing_is_on(struct trace_array *tr);
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 void tracer_tracing_on(struct trace_array *tr);
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@@ -1673,6 +1676,7 @@
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 extern void trace_event_enable_tgid_record(bool enable);
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 extern int event_trace_init(void);
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+extern int init_events(void);
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 extern int event_trace_add_tracer(struct dentry *parent, struct trace_array *tr);
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 extern int event_trace_del_tracer(struct trace_array *tr);
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 extern void __trace_early_add_events(struct trace_array *tr);