Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_hist.c Create Date:2022-07-28 12:32:43
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:parse_actions

Proto:static int parse_actions(struct hist_trigger_data *hist_data)

Type:int

Parameter:

TypeParameterName
struct hist_trigger_data *hist_data
4898  tr = tr
4901  ret = 0
4905  When i < n_actions cycle
4906  str = action_str[i]
4908  If len = str_has_prefix - Test if a string has a given prefix*@str: The string to test*@prefix: The string to see if @str starts with* A common way to test a prefix of a string is to do:* strncmp(str, prefix, sizeof(prefix) - 1)* But this can lead to bugs due to Then
4909  action_str = str + len
4911  data = onmatch_parse(tr, action_str)
4912  If IS_ERR(data) Then
4913  ret = PTR_ERR(data)
4914  Break
4916  Else if len = str_has_prefix - Test if a string has a given prefix*@str: The string to test*@prefix: The string to see if @str starts with* A common way to test a prefix of a string is to do:* strncmp(str, prefix, sizeof(prefix) - 1)* But this can lead to bugs due to Then
4917  action_str = str + len
4919  data = track_data_parse(hist_data, action_str, HANDLER_ONMAX)
4921  If IS_ERR(data) Then
4922  ret = PTR_ERR(data)
4923  Break
4925  Else if len = str_has_prefix - Test if a string has a given prefix*@str: The string to test*@prefix: The string to see if @str starts with* A common way to test a prefix of a string is to do:* strncmp(str, prefix, sizeof(prefix) - 1)* But this can lead to bugs due to Then
4926  action_str = str + len
4928  data = track_data_parse(hist_data, action_str, HANDLER_ONCHANGE)
4930  If IS_ERR(data) Then
4931  ret = PTR_ERR(data)
4932  Break
4934  Else
4935  ret = -EINVAL
4936  Break
4939  actions[n_actions++] = data
4942  Return ret
Caller
NameDescribe
create_hist_data