drivers/misc/mediatek/gpu/mt8127/mali/mali/common/mali_osk_profiling.h

   1 /*
   2  * This confidential and proprietary software may be used only as
   3  * authorised by a licensing agreement from ARM Limited
   4  * (C) COPYRIGHT 2010-2013 ARM Limited
   5  * ALL RIGHTS RESERVED
   6  * The entire notice above must be reproduced on all authorised
   7  * copies and copies may only be made to the extent permitted
   8  * by a licensing agreement from ARM Limited.
   9  */
  10
  11 #ifndef __MALI_OSK_PROFILING_H__
  12 #define __MALI_OSK_PROFILING_H__
  13
  14 #if defined(CONFIG_MALI400_PROFILING) && defined (CONFIG_TRACEPOINTS)
  15
  16 #include "mali_linux_trace.h"
  17 #include "mali_profiling_events.h"
  18 #include "mali_profiling_gator_api.h"
  19
  20 #define MALI_PROFILING_MAX_BUFFER_ENTRIES 1048576
  21
  22 #define MALI_PROFILING_NO_HW_COUNTER = ((u32)-1)
  23
  24 /** @defgroup _mali_osk_profiling External profiling connectivity
  25  * @{ */
  26
  27 /**
  28  * Initialize the profiling module.
  29  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
  30  */
  31 _mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start);
  32
  33 /*
  34  * Terminate the profiling module.
  35  */
  36 void _mali_osk_profiling_term(void);
  37
  38 /**
  39  * Start recording profiling data
  40  *
  41  * The specified limit will determine how large the capture buffer is.
  42  * MALI_PROFILING_MAX_BUFFER_ENTRIES determines the maximum size allowed by the device driver.
  43  *
  44  * @param limit The desired maximum number of events to record on input, the actual maximum on output.
  45  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
  46  */
  47 _mali_osk_errcode_t _mali_osk_profiling_start(u32 * limit);
  48
  49 /**
  50  * Add an profiling event
  51  *
  52  * @param event_id The event identificator.
  53  * @param data0 First data parameter, depending on event_id specified.
  54  * @param data1 Second data parameter, depending on event_id specified.
  55  * @param data2 Third data parameter, depending on event_id specified.
  56  * @param data3 Fourth data parameter, depending on event_id specified.
  57  * @param data4 Fifth data parameter, depending on event_id specified.
  58  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
  59  */
  60 /* Call Linux tracepoint directly */
  61 #define _mali_osk_profiling_add_event(event_id, data0, data1, data2, data3, data4) trace_mali_timeline_event((event_id), (data0), (data1), (data2), (data3), (data4))
  62
  63 /**
  64  * Report a hardware counter event.
  65  *
  66  * @param counter_id The ID of the counter.
  67  * @param value The value of the counter.
  68  */
  69
  70 /* Call Linux tracepoint directly */
  71 #define _mali_osk_profiling_report_hw_counter(counter_id, value) trace_mali_hw_counter(counter_id, value)
  72
  73 /**
  74  * Report SW counters
  75  *
  76  * @param counters array of counter values
  77  */
  78 void _mali_osk_profiling_report_sw_counters(u32 *counters);
  79
  80 /**
  81  * Stop recording profiling data
  82  *
  83  * @param count Returns the number of recorded events.
  84  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
  85  */
  86 _mali_osk_errcode_t _mali_osk_profiling_stop(u32 * count);
  87
  88 /**
  89  * Retrieves the number of events that can be retrieved
  90  *
  91  * @return The number of recorded events that can be retrieved.
  92  */
  93 u32 _mali_osk_profiling_get_count(void);
  94
  95 /**
  96  * Retrieve an event
  97  *
  98  * @param index Event index (start with 0 and continue until this function fails to retrieve all events)
  99  * @param timestamp The timestamp for the retrieved event will be stored here.
 100  * @param event_id The event ID for the retrieved event will be stored here.
 101  * @param data The 5 data values for the retrieved event will be stored here.
 102  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
 103  */
 104 _mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64* timestamp, u32* event_id, u32 data[5]);
 105
 106 /**
 107  * Clear the recorded buffer.
 108  *
 109  * This is needed in order to start another recording.
 110  *
 111  * @return _MALI_OSK_ERR_OK on success, otherwise failure.
 112  */
 113 _mali_osk_errcode_t _mali_osk_profiling_clear(void);
 114
 115 /**
 116  * Checks if a recording of profiling data is in progress
 117  *
 118  * @return MALI_TRUE if recording of profiling data is in progress, MALI_FALSE if not
 119  */
 120 mali_bool _mali_osk_profiling_is_recording(void);
 121
 122 /**
 123  * Checks if profiling data is available for retrival
 124  *
 125  * @return MALI_TRUE if profiling data is avaiable, MALI_FALSE if not
 126  */
 127 mali_bool _mali_osk_profiling_have_recording(void);
 128
 129 /** @} */ /* end group _mali_osk_profiling */
 130
 131 #else /* defined(CONFIG_MALI400_PROFILING)  && defined(CONFIG_TRACEPOINTS) */
 132
 133 /* Dummy add_event, for when profiling is disabled. */
 134
 135 #define _mali_osk_profiling_add_event(event_id, data0, data1, data2, data3, data4)
 136
 137 #endif /* defined(CONFIG_MALI400_PROFILING)  && defined(CONFIG_TRACEPOINTS) */
 138
 139 #endif /* __MALI_OSK_PROFILING_H__ */
 140
 141