/*
|
* Copyright 2021 Rockchip Electronics Co. LTD
|
*
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
* you may not use this file except in compliance with the License.
|
* You may obtain a copy of the License at
|
*
|
* http://www.apache.org/licenses/LICENSE-2.0
|
*
|
* Unless required by applicable law or agreed to in writing, software
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
* See the License for the specific language governing permissions and
|
* limitations under the License.
|
*/
|
|
#define MODULE_TAG "mpp_trace"
|
|
#include <fcntl.h>
|
#include <stdarg.h>
|
|
#include "mpp_common.h"
|
#include "mpp_trace.h"
|
|
#define ATRACE_MESSAGE_LENGTH 256
|
|
class MppTraceService
|
{
|
private:
|
// avoid any unwanted function
|
MppTraceService();
|
~MppTraceService();
|
MppTraceService(const MppTraceService &);
|
MppTraceService &operator=(const MppTraceService &);
|
|
void trace_write(const char *fmt, ...);
|
|
RK_S32 mTraceFd;
|
|
public:
|
static MppTraceService *get_inst() {
|
static MppTraceService inst;
|
return &inst;
|
}
|
|
void trace_begin(const char* name);
|
void trace_end(const char* name);
|
void trace_async_begin(const char* name, RK_S32 cookie);
|
void trace_async_end(const char* name, RK_S32 cookie);
|
void trace_int32(const char* name, RK_S32 val);
|
void trace_int64(const char* name, RK_S64 val);
|
};
|
|
MppTraceService::MppTraceService()
|
{
|
static const char *ftrace_paths[] = {
|
"/sys/kernel/debug/tracing/trace_marker",
|
"/debug/tracing/trace_marker",
|
"/debugfs/tracing/trace_marker",
|
};
|
|
RK_U32 i;
|
|
for (i = 0; i < MPP_ARRAY_ELEMS(ftrace_paths); i++) {
|
if (!access(ftrace_paths[i], F_OK)) {
|
mTraceFd = open(ftrace_paths[i], O_WRONLY | O_CLOEXEC);
|
if (mTraceFd >= 0)
|
break;
|
}
|
}
|
}
|
|
MppTraceService::~MppTraceService()
|
{
|
if (mTraceFd >= 0) {
|
close(mTraceFd);
|
mTraceFd = -1;
|
}
|
}
|
|
void MppTraceService::trace_write(const char *fmt, ...)
|
{
|
char buf[ATRACE_MESSAGE_LENGTH];
|
va_list ap;
|
RK_S32 len;
|
|
va_start(ap, fmt);
|
len = vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
|
va_end(ap);
|
|
(void)!write(mTraceFd, buf, len);
|
}
|
|
void MppTraceService::trace_begin(const char* name)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("B|%d|%s", getpid(), name);
|
}
|
|
void MppTraceService::trace_end(const char* name)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("E|%d|%s", getpid(), name);
|
}
|
|
void MppTraceService::trace_async_begin(const char* name, RK_S32 cookie)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("S|%d|%s|%d", getpid(), name, cookie);
|
}
|
|
void MppTraceService::trace_async_end(const char* name, RK_S32 cookie)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("F|%d|%s|%d", getpid(), name, cookie);
|
}
|
|
void MppTraceService::trace_int32(const char* name, RK_S32 value)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("C|%d|%s|%d", getpid(), name, value);
|
}
|
|
void MppTraceService::trace_int64(const char* name, RK_S64 value)
|
{
|
if (mTraceFd < 0)
|
return;
|
|
trace_write("C|%d|%s|%lld", getpid(), name, value);
|
}
|
|
void mpp_trace_begin(const char* name)
|
{
|
MppTraceService::get_inst()->trace_begin(name);
|
}
|
|
void mpp_trace_end(const char* name)
|
{
|
MppTraceService::get_inst()->trace_end(name);
|
}
|
|
void mpp_trace_async_begin(const char* name, RK_S32 cookie)
|
{
|
MppTraceService::get_inst()->trace_async_begin(name, cookie);
|
}
|
|
void mpp_trace_async_end(const char* name, RK_S32 cookie)
|
{
|
MppTraceService::get_inst()->trace_async_end(name, cookie);
|
}
|
|
void mpp_trace_int32(const char* name, RK_S32 value)
|
{
|
MppTraceService::get_inst()->trace_int32(name, value);
|
}
|
|
void mpp_trace_int64(const char* name, RK_S64 value)
|
{
|
MppTraceService::get_inst()->trace_int64(name, value);
|
}
|
