82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
/**************************************************************************
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* Copyright (c) 2012, Intel Corporation.
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* All Rights Reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Authors:
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* Dale B. Stimson <dale.b.stimson@intel.com>
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* Jari Luoma-aho <jari.luoma-aho@intel.com>
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* Jari Nippula <jari.nippula@intel.com>
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*
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*/
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#if !defined GBURST_H
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#define GBURST_H
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#if (defined CONFIG_GPU_BURST) || (defined CONFIG_GPU_BURST_MODULE)
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#include <linux/types.h>
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#include <linux/proc_fs.h>
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/* Global variables */
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/**
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* gburst_debug_msg_on - Enables some debug messages.
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*
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* Initialized to zero. May be set via /proc
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* If set, one function in gburst_stats.c
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* uses printk to output index, perf_counter->utilization.
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*/
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extern int gburst_debug_msg_on;
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/* Functions for gathering utilization information. */
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/**
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* gburst_stats_gpu_freq_mhz_info() - Give cpu frequency to stats and to
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* graphics system.
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* @freq_MHz: Frequency in MHz.
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*/
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int gburst_stats_gpu_freq_mhz_info(int freq_MHz);
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void gburst_stats_gfx_hw_perf_max_values_clear(void);
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int gburst_stats_gfx_hw_perf_max_values_to_string(int ix_in,
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char *buf, size_t buflen);
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int gburst_stats_gfx_hw_perf_counters_to_string(int ix_in,
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char *buf, size_t buflen);
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int gburst_stats_gfx_hw_perf_counters_set(const char *buf);
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int gburst_stats_gfx_hw_perf_record();
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int gburst_stats_active_counters_from_string(const char *buf, int nbytes);
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int gburst_stats_active_counters_to_string(char *buf, int breq);
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int gburst_stats_shutdown(void);
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void gburst_stats_cleanup_gfx_load_data(void);
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#endif /* if (defined CONFIG_GPU_BURST) || (defined CONFIG_GPU_BURST_MODULE) */
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#endif /* if !defined GBURST_H */
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