127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "perf_output_pri.h"
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STATIC PERF_BUF_NOTIFY_HOOK g_perfBufNotifyHook = NULL;
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STATIC PERF_BUF_FLUSH_HOOK g_perfBufFlushHook = NULL;
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STATIC PerfOutputCB g_perfOutputCb;
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STATIC VOID OsPerfDefaultNotify(VOID)
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{
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PRINT_INFO("perf buf waterline notify!\n");
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}
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UINT32 OsPerfOutputInit(VOID *buf, UINT32 size)
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{
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UINT32 ret;
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BOOL releaseFlag = FALSE;
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if (buf == NULL) {
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buf = LOS_MemAlloc(m_aucSysMem1, size);
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if (buf == NULL) {
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return LOS_NOK;
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} else {
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releaseFlag = TRUE;
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}
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}
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ret = LOS_CirBufInit(&g_perfOutputCb.ringbuf, buf, size);
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if (ret != LOS_OK) {
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goto RELEASE;
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}
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g_perfOutputCb.waterMark = size / PERF_BUFFER_WATERMARK_ONE_N;
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g_perfBufNotifyHook = OsPerfDefaultNotify;
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return ret;
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RELEASE:
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if (releaseFlag) {
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(VOID)LOS_MemFree(m_aucSysMem1, buf);
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}
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return ret;
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}
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VOID OsPerfOutputFlush(VOID)
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{
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if (g_perfBufFlushHook != NULL) {
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g_perfBufFlushHook(g_perfOutputCb.ringbuf.fifo, g_perfOutputCb.ringbuf.size);
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}
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}
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UINT32 OsPerfOutputRead(CHAR *dest, UINT32 size)
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{
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OsPerfOutputFlush();
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return LOS_CirBufRead(&g_perfOutputCb.ringbuf, dest, size);
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}
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STATIC BOOL OsPerfOutputBegin(UINT32 size)
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{
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if (g_perfOutputCb.ringbuf.remain < size) {
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PRINT_INFO("perf buf has no enough space for 0x%x\n", size);
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return FALSE;
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}
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return TRUE;
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}
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STATIC VOID OsPerfOutputEnd(VOID)
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{
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OsPerfOutputFlush();
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if (LOS_CirBufUsedSize(&g_perfOutputCb.ringbuf) >= g_perfOutputCb.waterMark) {
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if (g_perfBufNotifyHook != NULL) {
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g_perfBufNotifyHook();
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}
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}
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}
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UINT32 OsPerfOutputWrite(CHAR *data, UINT32 size)
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{
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if (!OsPerfOutputBegin(size)) {
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return LOS_NOK;
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}
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LOS_CirBufWrite(&g_perfOutputCb.ringbuf, data, size);
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OsPerfOutputEnd();
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return LOS_OK;
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}
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VOID OsPerfOutputInfo(VOID)
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{
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PRINT_EMG("dump perf data, addr: %p length: %#x\n", g_perfOutputCb.ringbuf.fifo, g_perfOutputCb.ringbuf.size);
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}
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VOID OsPerfNotifyHookReg(const PERF_BUF_NOTIFY_HOOK func)
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{
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g_perfBufNotifyHook = func;
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}
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VOID OsPerfFlushHookReg(const PERF_BUF_FLUSH_HOOK func)
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{
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g_perfBufFlushHook = func;
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}
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