diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/linux/mali_osk_profiling_internal.c')
| -rw-r--r-- | drivers/media/video/samsung/mali/linux/mali_osk_profiling_internal.c | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/drivers/media/video/samsung/mali/linux/mali_osk_profiling_internal.c b/drivers/media/video/samsung/mali/linux/mali_osk_profiling_internal.c deleted file mode 100644 index 2df935d..0000000 --- a/drivers/media/video/samsung/mali/linux/mali_osk_profiling_internal.c +++ /dev/null @@ -1,324 +0,0 @@ -/* - * Copyright (C) 2010-2012 ARM Limited. All rights reserved. - * - * This program is free software and is provided to you under the terms of the GNU General Public License version 2 - * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. - * - * A copy of the licence is included with the program, and can also be obtained from Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - */ - -#include "mali_kernel_common.h" -#include "mali_osk.h" -#include "mali_osk_mali.h" -#include "mali_ukk.h" -#include "mali_timestamp.h" -#include "mali_osk_profiling.h" -#include "mali_user_settings_db.h" - -typedef struct mali_profiling_entry -{ - u64 timestamp; - u32 event_id; - u32 data[5]; -} mali_profiling_entry; - - -typedef enum mali_profiling_state -{ - MALI_PROFILING_STATE_UNINITIALIZED, - MALI_PROFILING_STATE_IDLE, - MALI_PROFILING_STATE_RUNNING, - MALI_PROFILING_STATE_RETURN, -} mali_profiling_state; - -static _mali_osk_lock_t *lock = NULL; -static mali_profiling_state prof_state = MALI_PROFILING_STATE_UNINITIALIZED; -static mali_profiling_entry* profile_entries = NULL; -static u32 profile_entry_count = 0; -static _mali_osk_atomic_t profile_insert_index; -static _mali_osk_atomic_t profile_entries_written; - -_mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start) -{ - profile_entries = NULL; - profile_entry_count = 0; - _mali_osk_atomic_init(&profile_insert_index, 0); - _mali_osk_atomic_init(&profile_entries_written, 0); - - lock = _mali_osk_lock_init(_MALI_OSK_LOCKFLAG_ORDERED | _MALI_OSK_LOCKFLAG_SPINLOCK | _MALI_OSK_LOCKFLAG_NONINTERRUPTABLE, 0, _MALI_OSK_LOCK_ORDER_PROFILING); - if (NULL == lock) - { - return _MALI_OSK_ERR_FAULT; - } - - prof_state = MALI_PROFILING_STATE_IDLE; - - if (MALI_TRUE == auto_start) - { - u32 limit = MALI_PROFILING_MAX_BUFFER_ENTRIES; /* Use maximum buffer size */ - - mali_set_user_setting(_MALI_UK_USER_SETTING_SW_EVENTS_ENABLE, MALI_TRUE); - if (_MALI_OSK_ERR_OK != _mali_osk_profiling_start(&limit)) - { - return _MALI_OSK_ERR_FAULT; - } - } - - return _MALI_OSK_ERR_OK; -} - -void _mali_osk_profiling_term(void) -{ - prof_state = MALI_PROFILING_STATE_UNINITIALIZED; - - /* wait for all elements to be completely inserted into array */ - while (_mali_osk_atomic_read(&profile_insert_index) != _mali_osk_atomic_read(&profile_entries_written)) - { - /* do nothing */; - } - - if (NULL != profile_entries) - { - _mali_osk_vfree(profile_entries); - profile_entries = NULL; - } - - if (NULL != lock) - { - _mali_osk_lock_term(lock); - lock = NULL; - } -} - -inline _mali_osk_errcode_t _mali_osk_profiling_start(u32 * limit) -{ - _mali_osk_errcode_t ret; - - mali_profiling_entry *new_profile_entries = _mali_osk_valloc(*limit * sizeof(mali_profiling_entry)); - - if(NULL == new_profile_entries) - { - return _MALI_OSK_ERR_NOMEM; - } - - _mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW); - - if (prof_state != MALI_PROFILING_STATE_IDLE) - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - _mali_osk_vfree(new_profile_entries); - return _MALI_OSK_ERR_INVALID_ARGS; /* invalid to call this function in this state */ - } - - if (*limit > MALI_PROFILING_MAX_BUFFER_ENTRIES) - { - *limit = MALI_PROFILING_MAX_BUFFER_ENTRIES; - } - - profile_entries = new_profile_entries; - profile_entry_count = *limit; - - ret = _mali_timestamp_reset(); - - if (ret == _MALI_OSK_ERR_OK) - { - prof_state = MALI_PROFILING_STATE_RUNNING; - } - else - { - _mali_osk_vfree(profile_entries); - profile_entries = NULL; - } - - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return ret; -} - -inline void _mali_osk_profiling_add_event(u32 event_id, u32 data0, u32 data1, u32 data2, u32 data3, u32 data4) -{ - if (prof_state == MALI_PROFILING_STATE_RUNNING) - { - u32 cur_index = (_mali_osk_atomic_inc_return(&profile_insert_index) - 1) % profile_entry_count; - - profile_entries[cur_index].timestamp = _mali_timestamp_get(); - profile_entries[cur_index].event_id = event_id; - profile_entries[cur_index].data[0] = data0; - profile_entries[cur_index].data[1] = data1; - profile_entries[cur_index].data[2] = data2; - profile_entries[cur_index].data[3] = data3; - profile_entries[cur_index].data[4] = data4; - - /* If event is "leave API function", add current memory usage to the event - * as data point 4. This is used in timeline profiling to indicate how - * much memory was used when leaving a function. */ - if (event_id == (MALI_PROFILING_EVENT_TYPE_SINGLE|MALI_PROFILING_EVENT_CHANNEL_SOFTWARE|MALI_PROFILING_EVENT_REASON_SINGLE_SW_LEAVE_API_FUNC)) - { - profile_entries[cur_index].data[4] = _mali_ukk_report_memory_usage(); - } - - _mali_osk_atomic_inc(&profile_entries_written); - } -} - -inline void _mali_osk_profiling_report_hw_counter(u32 counter_id, u32 value) -{ - /* Not implemented */ -} - -void _mali_osk_profiling_report_sw_counters(u32 *counters) -{ - /* Not implemented */ -} - -inline _mali_osk_errcode_t _mali_osk_profiling_stop(u32 * count) -{ - _mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW); - - if (prof_state != MALI_PROFILING_STATE_RUNNING) - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_INVALID_ARGS; /* invalid to call this function in this state */ - } - - /* go into return state (user to retreive events), no more events will be added after this */ - prof_state = MALI_PROFILING_STATE_RETURN; - - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - - /* wait for all elements to be completely inserted into array */ - while (_mali_osk_atomic_read(&profile_insert_index) != _mali_osk_atomic_read(&profile_entries_written)) - { - /* do nothing */; - } - - *count = _mali_osk_atomic_read(&profile_insert_index); - if(*count>profile_entry_count) *count=profile_entry_count; - - return _MALI_OSK_ERR_OK; -} - -inline u32 _mali_osk_profiling_get_count(void) -{ - u32 retval = 0; - - _mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW); - if (prof_state == MALI_PROFILING_STATE_RETURN) - { - retval = _mali_osk_atomic_read(&profile_entries_written); - if(retval>profile_entry_count) retval = profile_entry_count; - } - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - - return retval; -} - -inline _mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64* timestamp, u32* event_id, u32 data[5]) -{ - _mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW); - - if(index<profile_entry_count) - { - u32 idx = index; - if(_mali_osk_atomic_read(&profile_insert_index)>=profile_entry_count) - { - idx = (index + _mali_osk_atomic_read(&profile_insert_index)) % profile_entry_count; - } - - if (prof_state != MALI_PROFILING_STATE_RETURN) - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_INVALID_ARGS; /* invalid to call this function in this state */ - } - - if (idx >= _mali_osk_atomic_read(&profile_entries_written)) - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_FAULT; - } - - *timestamp = profile_entries[idx].timestamp; - *event_id = profile_entries[idx].event_id; - data[0] = profile_entries[idx].data[0]; - data[1] = profile_entries[idx].data[1]; - data[2] = profile_entries[idx].data[2]; - data[3] = profile_entries[idx].data[3]; - data[4] = profile_entries[idx].data[4]; - } - else - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_FAULT; - } - - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_OK; -} - -inline _mali_osk_errcode_t _mali_osk_profiling_clear(void) -{ - _mali_osk_lock_wait(lock, _MALI_OSK_LOCKMODE_RW); - - if (prof_state != MALI_PROFILING_STATE_RETURN) - { - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_INVALID_ARGS; /* invalid to call this function in this state */ - } - - prof_state = MALI_PROFILING_STATE_IDLE; - profile_entry_count = 0; - _mali_osk_atomic_init(&profile_insert_index, 0); - _mali_osk_atomic_init(&profile_entries_written, 0); - if (NULL != profile_entries) - { - _mali_osk_vfree(profile_entries); - profile_entries = NULL; - } - - _mali_osk_lock_signal(lock, _MALI_OSK_LOCKMODE_RW); - return _MALI_OSK_ERR_OK; -} - -mali_bool _mali_osk_profiling_is_recording(void) -{ - return prof_state == MALI_PROFILING_STATE_RUNNING ? MALI_TRUE : MALI_FALSE; -} - -mali_bool _mali_osk_profiling_have_recording(void) -{ - return prof_state == MALI_PROFILING_STATE_RETURN ? MALI_TRUE : MALI_FALSE; -} - -_mali_osk_errcode_t _mali_ukk_profiling_start(_mali_uk_profiling_start_s *args) -{ - return _mali_osk_profiling_start(&args->limit); -} - -_mali_osk_errcode_t _mali_ukk_profiling_add_event(_mali_uk_profiling_add_event_s *args) -{ - /* Always add process and thread identificator in the first two data elements for events from user space */ - _mali_osk_profiling_add_event(args->event_id, _mali_osk_get_pid(), _mali_osk_get_tid(), args->data[2], args->data[3], args->data[4]); - return _MALI_OSK_ERR_OK; -} - -_mali_osk_errcode_t _mali_ukk_profiling_stop(_mali_uk_profiling_stop_s *args) -{ - return _mali_osk_profiling_stop(&args->count); -} - -_mali_osk_errcode_t _mali_ukk_profiling_get_event(_mali_uk_profiling_get_event_s *args) -{ - return _mali_osk_profiling_get_event(args->index, &args->timestamp, &args->event_id, args->data); -} - -_mali_osk_errcode_t _mali_ukk_profiling_clear(_mali_uk_profiling_clear_s *args) -{ - return _mali_osk_profiling_clear(); -} - -_mali_osk_errcode_t _mali_ukk_sw_counters_report(_mali_uk_sw_counters_report_s *args) -{ - _mali_osk_profiling_report_sw_counters(args->counters); - return _MALI_OSK_ERR_OK; -} - |