Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_trigger.c Create Date:2022-07-28 12:25:49
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:trigger_start

Proto:static void *trigger_start(struct seq_file *m, loff_t *pos)

Type:void

Parameter:

TypeParameterName
struct seq_file *m
loff_t *pos
131  mutex_lock( & event_mutex)
132  event_file = event_file_data(private)
133  If Value for the false possibility is greater at compile time(!event_file) Then Return ERR_PTR( - ENODEV)
136  If list_empty - tests whether a list is empty*@head: the list to test. Then Return * pos == 0 ? SHOW_AVAILABLE_TRIGGERS : NULL
139  Return Helpers for iteration over list_head-s in seq_files