/* Copyright (c) 2014-2017, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#if !defined(_DISP_TRACE_H_) || defined(TRACE_HEADER_MULTI_READ)
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#define _DISP_TRACE_H_
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#include <linux/stringify.h>
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#include <linux/types.h>
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#include <linux/tracepoint.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM disp_trace
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TRACE_EVENT(tracing_mark_write,
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TP_PROTO(int pid, const char *name, bool trace_begin),
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TP_ARGS(pid, name, trace_begin),
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TP_STRUCT__entry(
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__field(int, pid)
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__string(trace_name, name)
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__field(bool, trace_begin)
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),
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TP_fast_assign(
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__entry->pid = pid;
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__assign_str(trace_name, name);
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__entry->trace_begin = trace_begin;
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),
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TP_printk("%s|%d|%s", __entry->trace_begin ? "B" : "E",
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__entry->pid, __get_str(trace_name))
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);
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TRACE_EVENT(display_trace_counter,
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TP_PROTO(int pid, char *name, int value),
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TP_ARGS(pid, name, value),
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TP_STRUCT__entry(
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__field(int, pid)
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__string(counter_name, name)
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__field(int, value)
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),
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TP_fast_assign(
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__entry->pid = pid;
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__assign_str(counter_name, name);
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__entry->value = value;
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),
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TP_printk("C|%d|%s|%d",
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__entry->pid,
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__get_str(counter_name), __entry->value)
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);
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#define DISP_TRACE_END(name) trace_tracing_mark_write(current->tgid, name, 0)
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#define DISP_TRACE_BEGIN(name) trace_tracing_mark_write(current->tgid, name, 1)
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#define DISP_TRACE_FUNC() DISP_TRACE_BEGIN(__func__)
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#define DISP_TRACE_INT(name, value) \
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trace_display_trace_counter(current->tgid, name, value)
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/*
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* Using the api in the interrupt context ensures
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* that the systrace information is bound to the same process.
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*/
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#define __fake_pid__ (0x0624)
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#define DISP_TRACE_INT_F(name, value) \
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trace_display_trace_counter(__fake_pid__, name, value)
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#endif /* _DISP_TRACE_H_ */
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/*
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* This part must be outside protection
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*/
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#include <trace/define_trace.h>
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