2 * Copyright (C) 2011-2012 ARM Limited. All rights reserved.
4 * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
7 * A copy of the licence is included with the program, and can also be obtained from Free Software
8 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
11 #ifndef __MALI_OSK_PROFILING_H__
12 #define __MALI_OSK_PROFILING_H__
14 #if defined(CONFIG_MALI400_PROFILING) && defined (CONFIG_TRACEPOINTS)
16 #include "mali_linux_trace.h"
17 #include "mali_profiling_events.h"
19 #define MALI_PROFILING_MAX_BUFFER_ENTRIES 1048576
21 #define MALI_PROFILING_NO_HW_COUNTER = ((u32)-1)
23 /** @defgroup _mali_osk_profiling External profiling connectivity
27 * Initialize the profiling module.
28 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
30 _mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start);
33 * Terminate the profiling module.
35 void _mali_osk_profiling_term(void);
38 * Start recording profiling data
40 * The specified limit will determine how large the capture buffer is.
41 * MALI_PROFILING_MAX_BUFFER_ENTRIES determines the maximum size allowed by the device driver.
43 * @param limit The desired maximum number of events to record on input, the actual maximum on output.
44 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
46 _mali_osk_errcode_t _mali_osk_profiling_start(u32 * limit);
49 * Add an profiling event
51 * @param event_id The event identificator.
52 * @param data0 First data parameter, depending on event_id specified.
53 * @param data1 Second data parameter, depending on event_id specified.
54 * @param data2 Third data parameter, depending on event_id specified.
55 * @param data3 Fourth data parameter, depending on event_id specified.
56 * @param data4 Fifth data parameter, depending on event_id specified.
57 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
59 /* Call Linux tracepoint directly */
60 #define _mali_osk_profiling_add_event(event_id, data0, data1, data2, data3, data4) trace_mali_timeline_event((event_id), (data0), (data1), (data2), (data3), (data4))
63 * Report a hardware counter event.
65 * @param counter_id The ID of the counter.
66 * @param value The value of the counter.
69 /* Call Linux tracepoint directly */
70 #define _mali_osk_profiling_report_hw_counter(counter_id, value) trace_mali_hw_counter(counter_id, value)
75 * @param counters array of counter values
77 void _mali_osk_profiling_report_sw_counters(u32 *counters);
80 * Stop recording profiling data
82 * @param count Returns the number of recorded events.
83 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
85 _mali_osk_errcode_t _mali_osk_profiling_stop(u32 * count);
88 * Retrieves the number of events that can be retrieved
90 * @return The number of recorded events that can be retrieved.
92 u32 _mali_osk_profiling_get_count(void);
97 * @param index Event index (start with 0 and continue until this function fails to retrieve all events)
98 * @param timestamp The timestamp for the retrieved event will be stored here.
99 * @param event_id The event ID for the retrieved event will be stored here.
100 * @param data The 5 data values for the retrieved event will be stored here.
101 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
103 _mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64* timestamp, u32* event_id, u32 data[5]);
106 * Clear the recorded buffer.
108 * This is needed in order to start another recording.
110 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
112 _mali_osk_errcode_t _mali_osk_profiling_clear(void);
115 * Checks if a recording of profiling data is in progress
117 * @return MALI_TRUE if recording of profiling data is in progress, MALI_FALSE if not
119 mali_bool _mali_osk_profiling_is_recording(void);
122 * Checks if profiling data is available for retrival
124 * @return MALI_TRUE if profiling data is avaiable, MALI_FALSE if not
126 mali_bool _mali_osk_profiling_have_recording(void);
128 /** @} */ /* end group _mali_osk_profiling */
130 #else /* defined(CONFIG_MALI400_PROFILING) && defined(CONFIG_TRACEPOINTS) */
132 /* Dummy add_event, for when profiling is disabled. */
134 #define _mali_osk_profiling_add_event(event_id, data0, data1, data2, data3, data4)
136 #endif /* defined(CONFIG_MALI400_PROFILING) && defined(CONFIG_TRACEPOINTS) */
138 #endif /* __MALI_OSK_PROFILING_H__ */