Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_hist.c Create Date:2022-07-28 12:29:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:field_has_hist_vars

Proto:static bool field_has_hist_vars(struct hist_field *hist_field, unsigned int level)

Type:bool

Parameter:

TypeParameterName
struct hist_field *hist_field
unsigned intlevel
1668  If level > 3 Then Return false
1671  If Not hist_field Then Return false
1674  If flags & HIST_FIELD_FL_VAR || flags & HIST_FIELD_FL_VAR_REF Then Return true
1678  When i < HIST_FIELD_OPERANDS_MAX cycle
1681  operand = operands[i]
1682  If field_has_hist_vars(operand, level + 1) Then Return true
1686  Return false
Caller
NameDescribe
field_has_hist_vars
has_hist_vars
create_key_field