2 * Copyright (C) 2010-2016 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"
18 #include "mali_profiling_gator_api.h"
20 #define MALI_PROFILING_MAX_BUFFER_ENTRIES 1048576
22 #define MALI_PROFILING_NO_HW_COUNTER = ((u32)-1)
24 /** @defgroup _mali_osk_profiling External profiling connectivity
28 * Initialize the profiling module.
29 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
31 _mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start);
34 * Terminate the profiling module.
36 void _mali_osk_profiling_term(void);
39 * Stop the profile sampling operation.
41 void _mali_osk_profiling_stop_sampling(u32 pid);
44 * Start recording profiling data
46 * The specified limit will determine how large the capture buffer is.
47 * MALI_PROFILING_MAX_BUFFER_ENTRIES determines the maximum size allowed by the device driver.
49 * @param limit The desired maximum number of events to record on input, the actual maximum on output.
50 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
52 _mali_osk_errcode_t _mali_osk_profiling_start(u32 *limit);
55 * Add an profiling event
57 * @param event_id The event identificator.
58 * @param data0 First data parameter, depending on event_id specified.
59 * @param data1 Second data parameter, depending on event_id specified.
60 * @param data2 Third data parameter, depending on event_id specified.
61 * @param data3 Fourth data parameter, depending on event_id specified.
62 * @param data4 Fifth data parameter, depending on event_id specified.
64 void _mali_osk_profiling_add_event(u32 event_id, u32 data0, u32 data1, u32 data2, u32 data3, u32 data4);
67 * Report a hardware counter event.
69 * @param counter_id The ID of the counter.
70 * @param value The value of the counter.
73 /* Call Linux tracepoint directly */
74 #define _mali_osk_profiling_report_hw_counter(counter_id, value) trace_mali_hw_counter(counter_id, value)
79 * @param counters array of counter values
81 void _mali_osk_profiling_report_sw_counters(u32 *counters);
83 void _mali_osk_profiling_record_global_counters(int counter_id, u32 value);
86 * Stop recording profiling data
88 * @param count Returns the number of recorded events.
89 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
91 _mali_osk_errcode_t _mali_osk_profiling_stop(u32 *count);
94 * Retrieves the number of events that can be retrieved
96 * @return The number of recorded events that can be retrieved.
98 u32 _mali_osk_profiling_get_count(void);
103 * @param index Event index (start with 0 and continue until this function fails to retrieve all events)
104 * @param timestamp The timestamp for the retrieved event will be stored here.
105 * @param event_id The event ID for the retrieved event will be stored here.
106 * @param data The 5 data values for the retrieved event will be stored here.
107 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
109 _mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64 *timestamp, u32 *event_id, u32 data[5]);
112 * Clear the recorded buffer.
114 * This is needed in order to start another recording.
116 * @return _MALI_OSK_ERR_OK on success, otherwise failure.
118 _mali_osk_errcode_t _mali_osk_profiling_clear(void);
121 * Checks if a recording of profiling data is in progress
123 * @return MALI_TRUE if recording of profiling data is in progress, MALI_FALSE if not
125 mali_bool _mali_osk_profiling_is_recording(void);
128 * Checks if profiling data is available for retrival
130 * @return MALI_TRUE if profiling data is avaiable, MALI_FALSE if not
132 mali_bool _mali_osk_profiling_have_recording(void);
134 /** @} */ /* end group _mali_osk_profiling */
136 #else /* defined(CONFIG_MALI400_PROFILING) && defined(CONFIG_TRACEPOINTS) */
138 /* Dummy add_event, for when profiling is disabled. */
140 #define _mali_osk_profiling_add_event(event_id, data0, data1, data2, data3, data4)
142 #endif /* defined(CONFIG_MALI400_PROFILING) && defined(CONFIG_TRACEPOINTS) */
144 #endif /* __MALI_OSK_PROFILING_H__ */