save_hist_vars

Name:save_hist_vars

Proto:static int save_hist_vars(struct hist_trigger_data *hist_data)

Type:int

Parameter:

Type	Parameter	Name
struct hist_trigger_data *	hist_data

1705

tr = tr

1708

var_data = find_hist_vars(hist_data)

1709

If var_data Then Return 0

1712

If tracing_check_open_get_tr(tr) Then Return -ENODEV

1715

var_data = kzalloc - allocate memory. The memory is set to zero.*@size: how many bytes of memory are required.*@flags: the type of memory to allocate (see kmalloc).

1716

If Not var_data Then

1717

race_array_put - Decrement the reference counter for this trace array.* NOTE: Use this when we no longer need the trace array returned by* trace_array_get_by_name(). This ensures the trace array can be later* destroyed.

1718

Return -ENOMEM

1721

hist_data = hist_data

1722

list_add - add a new entry*@new: new entry to be added*@head: list head to add it after* Insert a new entry after the specified head.* This is good for implementing stacks.

1724

Return 0

**Caller**
Name	Describe
event_hist_trigger_func

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