| /* |
| <:copyright-BRCM:2014:proprietary:standard |
| |
| Copyright (c) 2014 Broadcom Corporation |
| All Rights Reserved |
| |
| This program is the proprietary software of Broadcom Corporation and/or its |
| licensors, and may only be used, duplicated, modified or distributed pursuant |
| to the terms and conditions of a separate, written license agreement executed |
| between you and Broadcom (an "Authorized License"). Except as set forth in |
| an Authorized License, Broadcom grants no license (express or implied), right |
| to use, or waiver of any kind with respect to the Software, and Broadcom |
| expressly reserves all rights in and to the Software and all intellectual |
| property rights therein. IF YOU HAVE NO AUTHORIZED LICENSE, THEN YOU HAVE |
| NO RIGHT TO USE THIS SOFTWARE IN ANY WAY, AND SHOULD IMMEDIATELY NOTIFY |
| BROADCOM AND DISCONTINUE ALL USE OF THE SOFTWARE. |
| |
| Except as expressly set forth in the Authorized License, |
| |
| 1. This program, including its structure, sequence and organization, |
| constitutes the valuable trade secrets of Broadcom, and you shall use |
| all reasonable efforts to protect the confidentiality thereof, and to |
| use this information only in connection with your use of Broadcom |
| integrated circuit products. |
| |
| 2. TO THE MAXIMUM EXTENT PERMITTED BY LAW, THE SOFTWARE IS PROVIDED "AS IS" |
| AND WITH ALL FAULTS AND BROADCOM MAKES NO PROMISES, REPRESENTATIONS OR |
| WARRANTIES, EITHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE, WITH |
| RESPECT TO THE SOFTWARE. BROADCOM SPECIFICALLY DISCLAIMS ANY AND |
| ALL IMPLIED WARRANTIES OF TITLE, MERCHANTABILITY, NONINFRINGEMENT, |
| FITNESS FOR A PARTICULAR PURPOSE, LACK OF VIRUSES, ACCURACY OR |
| COMPLETENESS, QUIET ENJOYMENT, QUIET POSSESSION OR CORRESPONDENCE |
| TO DESCRIPTION. YOU ASSUME THE ENTIRE RISK ARISING OUT OF USE OR |
| PERFORMANCE OF THE SOFTWARE. |
| |
| 3. TO THE MAXIMUM EXTENT PERMITTED BY LAW, IN NO EVENT SHALL BROADCOM OR |
| ITS LICENSORS BE LIABLE FOR (i) CONSEQUENTIAL, INCIDENTAL, SPECIAL, |
| INDIRECT, OR EXEMPLARY DAMAGES WHATSOEVER ARISING OUT OF OR IN ANY |
| WAY RELATING TO YOUR USE OF OR INABILITY TO USE THE SOFTWARE EVEN |
| IF BROADCOM HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES; |
| OR (ii) ANY AMOUNT IN EXCESS OF THE AMOUNT ACTUALLY PAID FOR THE |
| SOFTWARE ITSELF OR U.S. $1, WHICHEVER IS GREATER. THESE LIMITATIONS |
| SHALL APPLY NOTWITHSTANDING ANY FAILURE OF ESSENTIAL PURPOSE OF ANY |
| LIMITED REMEDY. |
| :> |
| */ |
| |
| #include <bcmos_system.h> |
| #include "bcmolt_time_measurement.h" |
| |
| typedef struct |
| { |
| dev_log_id log_id; |
| uint32_t num_cycles_for_average; |
| F_bcmolt_time_measurement_ticks_to_ns ticks_to_ns; |
| F_bcmolt_time_measurement_avg_done avg_done; |
| uint32_t cycle_num; |
| } bcmolt_time_measurement_context; |
| |
| static bcmolt_time_measurement_context time_measurement_context = { DEV_LOG_INVALID_ID, 0, NULL, NULL, 0 }; |
| |
| void bcmolt_time_measurement_init( |
| dev_log_id log_id, |
| uint32_t num_cycles_for_average, |
| F_bcmolt_time_measurement_ticks_to_ns ticks_to_ns, |
| F_bcmolt_time_measurement_avg_done avg_done) |
| { |
| time_measurement_context = (bcmolt_time_measurement_context) |
| { log_id, num_cycles_for_average, ticks_to_ns, avg_done, 0 }; |
| } |
| |
| void bcmolt_time_measurement_sample_end(uint64_t *total_ticks, uint32_t *num_of_samples, const char *measurement_name) |
| { |
| /* Don't do anything if we haven't run enough cycles to produce an average. */ |
| if (time_measurement_context.cycle_num < (time_measurement_context.num_cycles_for_average - 1)) |
| { |
| return; |
| } |
| |
| if (*num_of_samples != 0 && time_measurement_context.ticks_to_ns != NULL) |
| { |
| /* Convert the sample time from ticks to ns. */ |
| uint64_t duration_average_ns = time_measurement_context.ticks_to_ns(*total_ticks / *num_of_samples); |
| |
| /* The ":" is used as delimiter when importing to excel. */ |
| BCM_LOG( |
| DEBUG, |
| time_measurement_context.log_id, |
| ":%s: %llu.%03llu us (%u hits)\n", |
| measurement_name, |
| (long long unsigned int)(duration_average_ns / 1000), |
| (long long unsigned int)(duration_average_ns % 1000), |
| *num_of_samples); |
| } |
| |
| *total_ticks = 0; |
| *num_of_samples = 0; |
| } |
| |
| void bcmolt_time_measurement_cycle_end(void) |
| { |
| if (time_measurement_context.cycle_num == (time_measurement_context.num_cycles_for_average - 1)) |
| { |
| if (time_measurement_context.avg_done != NULL) |
| { |
| time_measurement_context.avg_done(); |
| } |
| |
| /* Print a delimiting line. */ |
| BCM_LOG(DEBUG, time_measurement_context.log_id, "\n"); |
| time_measurement_context.cycle_num = 0; |
| } |
| else |
| { |
| ++time_measurement_context.cycle_num; |
| } |
| } |