129 lines
3.3 KiB
C
Executable file
129 lines
3.3 KiB
C
Executable file
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) Samsung Electronics Co., Ltd.
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* Gwanghui Lee <gwanghui.lee@samsung.com>
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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 as
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* published by the Free Software Foundation.
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*/
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#include "timenval.h"
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#include "panel_debug.h"
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int timenval_update_snapshot(struct timenval *tnv, int cur_value, struct timespec64 cur_ts)
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{
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struct timespec64 delta_ts;
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static u64 update_cnt;
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s64 elapsed_msec;
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int last_value;
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if (tnv->last_ts.tv_sec == 0 && tnv->last_ts.tv_nsec == 0) {
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tnv->last_ts = cur_ts;
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tnv->last_value = cur_value;
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tnv->elapsed_msec = 0;
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tnv->sum = 0;
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tnv->avg = 0;
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return 0;
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}
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delta_ts = timespec64_sub(cur_ts, tnv->last_ts);
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elapsed_msec = timespec64_to_ns(&delta_ts) / NSEC_PER_MSEC;
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if (elapsed_msec == 0) {
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panel_dbg("elapsed_msec 0 msec\n");
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elapsed_msec = 1;
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}
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last_value = tnv->last_value;
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tnv->sum += last_value * elapsed_msec;
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tnv->elapsed_msec += elapsed_msec;
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tnv->avg = tnv->sum / tnv->elapsed_msec;
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tnv->total_sum += last_value * elapsed_msec;
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tnv->total_elapsed_msec += elapsed_msec;
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tnv->total_avg = tnv->total_sum / tnv->total_elapsed_msec;
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tnv->last_ts = cur_ts;
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tnv->last_value = cur_value;
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panel_dbg("new %d old %d avg %llu (sum %llu, %llu.%03llu sec)\n"
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"total avg %llu (sum %llu, %llu.%03llu sec) cnt %llu\n",
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cur_value, last_value, tnv->avg, tnv->sum,
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tnv->elapsed_msec / 1000, tnv->elapsed_msec % 1000,
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tnv->total_avg, tnv->total_sum,
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tnv->total_elapsed_msec / 1000, tnv->total_elapsed_msec % 1000,
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++update_cnt);
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return 0;
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}
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int timenval_update_average(struct timenval *tnv, int cur_value, struct timespec64 cur_ts)
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{
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struct timespec64 delta_ts;
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static u64 update_cnt;
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s64 elapsed_msec;
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int last_value;
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if (tnv->last_ts.tv_sec == 0 && tnv->last_ts.tv_nsec == 0) {
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tnv->last_ts = cur_ts;
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tnv->last_value = cur_value;
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tnv->elapsed_msec = 0;
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tnv->sum = 0;
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tnv->avg = 0;
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return 0;
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}
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delta_ts = timespec64_sub(cur_ts, tnv->last_ts);
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elapsed_msec = timespec64_to_ns(&delta_ts) / NSEC_PER_MSEC;
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if (elapsed_msec == 0) {
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panel_dbg("elapsed_msec 0 msec\n");
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elapsed_msec = 1;
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}
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last_value = cur_value;
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tnv->sum += last_value * elapsed_msec;
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tnv->elapsed_msec += elapsed_msec;
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tnv->avg = tnv->sum / tnv->elapsed_msec;
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tnv->total_sum += last_value * elapsed_msec;
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tnv->total_elapsed_msec += elapsed_msec;
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tnv->total_avg = tnv->total_sum / tnv->total_elapsed_msec;
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tnv->last_ts = cur_ts;
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tnv->last_value = cur_value;
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panel_dbg("new %d old %d avg %llu (sum %llu, %llu.%03llu sec)\n"
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"total avg %llu (sum %llu, %llu.%03llu sec) cnt %llu\n",
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cur_value, last_value, tnv->avg, tnv->sum,
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tnv->elapsed_msec / 1000, tnv->elapsed_msec % 1000,
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tnv->total_avg, tnv->total_sum,
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tnv->total_elapsed_msec / 1000, tnv->total_elapsed_msec % 1000,
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++update_cnt);
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return 0;
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}
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int timenval_clear_average(struct timenval *tnv)
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{
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tnv->elapsed_msec = 0;
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tnv->sum = 0;
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tnv->avg = 0;
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return 0;
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}
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int timenval_init(struct timenval *tnv)
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{
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tnv->last_ts.tv_sec = 0;
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tnv->last_ts.tv_nsec = 0;
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tnv->last_value = 0;
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tnv->elapsed_msec = 0;
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tnv->sum = 0;
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tnv->avg = 0;
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return 0;
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}
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int timenval_start(struct timenval *tnv, int value, struct timespec64 cur_ts)
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{
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tnv->last_ts = cur_ts;
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tnv->last_value = value;
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return 0;
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}
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