函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_output.c Create Date:2022-07-27 13:10:59
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：trace_print_printk_msg_only

函数原型：enum print_line_t trace_print_printk_msg_only(struct trace_iterator *iter)

返回类型：enum print_line_t

参数：

类型参数名称
struct trace_iterator *iter
53  s等于 The below is zeroed out in pipe_read
54  entry等于ent
57  The trace_assign_type is a verifier that the entry type is* the same as the type being assigned. To add new types simply* add a line with the following format:* IF_ASSIGN(var, ent, type, id);* Where "type" is the trace type that includes the trace_entry(field, entry)
59  trace_seq_puts(s, buf)
61  返回:Several functions return TRACE_TYPE_PARTIAL_LINE if the trace_seq* overflowed, and TRACE_TYPE_HANDLED otherwise. This helper function* simplifies those functions and keeps them in sync.
调用者
名称描述
print_graph_comment
print_trace_lineCalled with trace_event_read_lock() held.