diff options
Diffstat (limited to 'drivers/media/video/samsung/mali/linux/mali_osk_profiling_gator.c')
-rw-r--r-- | drivers/media/video/samsung/mali/linux/mali_osk_profiling_gator.c | 261 |
1 files changed, 261 insertions, 0 deletions
diff --git a/drivers/media/video/samsung/mali/linux/mali_osk_profiling_gator.c b/drivers/media/video/samsung/mali/linux/mali_osk_profiling_gator.c new file mode 100644 index 0000000..95bee53 --- /dev/null +++ b/drivers/media/video/samsung/mali/linux/mali_osk_profiling_gator.c @@ -0,0 +1,261 @@ +/* + * Copyright (C) 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 <linux/module.h> + +#include "mali_kernel_common.h" +#include "mali_osk.h" +#include "mali_ukk.h" +#include "mali_uk_types.h" +#include "mali_osk_profiling.h" +#include "mali_linux_trace.h" +#include "mali_gp.h" +#include "mali_pp.h" +#include "mali_l2_cache.h" +#include "mali_user_settings_db.h" + +_mali_osk_errcode_t _mali_osk_profiling_init(mali_bool auto_start) +{ + if (MALI_TRUE == auto_start) + { + mali_set_user_setting(_MALI_UK_USER_SETTING_SW_EVENTS_ENABLE, MALI_TRUE); + } + + return _MALI_OSK_ERR_OK; +} + +void _mali_osk_profiling_term(void) +{ + /* Nothing to do */ +} + +_mali_osk_errcode_t _mali_osk_profiling_start(u32 * limit) +{ + /* Nothing to do */ + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_osk_profiling_stop(u32 *count) +{ + /* Nothing to do */ + return _MALI_OSK_ERR_OK; +} + +u32 _mali_osk_profiling_get_count(void) +{ + return 0; +} + +_mali_osk_errcode_t _mali_osk_profiling_get_event(u32 index, u64* timestamp, u32* event_id, u32 data[5]) +{ + /* Nothing to do */ + return _MALI_OSK_ERR_OK; +} + +_mali_osk_errcode_t _mali_osk_profiling_clear(void) +{ + /* Nothing to do */ + return _MALI_OSK_ERR_OK; +} + +mali_bool _mali_osk_profiling_is_recording(void) +{ + return MALI_FALSE; +} + +mali_bool _mali_osk_profiling_have_recording(void) +{ + return MALI_FALSE; +} + +void _mali_osk_profiling_report_sw_counters(u32 *counters) +{ + trace_mali_sw_counters(_mali_osk_get_pid(), _mali_osk_get_tid(), NULL, counters); +} + + +_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; +} + +/** + * Called by gator.ko to set HW counters + * + * @param counter_id The counter ID. + * @param event_id Event ID that the counter should count (HW counter value from TRM). + * + * @return 1 on success, 0 on failure. + */ +int _mali_profiling_set_event(u32 counter_id, s32 event_id) +{ + + if (COUNTER_VP_C0 == counter_id) + { + struct mali_gp_core* gp_core = mali_gp_get_global_gp_core(); + if (NULL != gp_core) + { + if (MALI_TRUE == mali_gp_core_set_counter_src0(gp_core, event_id)) + { + return 1; + } + } + } + if (COUNTER_VP_C1 == counter_id) + { + struct mali_gp_core* gp_core = mali_gp_get_global_gp_core(); + if (NULL != gp_core) + { + if (MALI_TRUE == mali_gp_core_set_counter_src1(gp_core, event_id)) + { + return 1; + } + } + } + if (COUNTER_FP0_C0 <= counter_id && COUNTER_FP3_C1 >= counter_id) + { + u32 core_id = (counter_id - COUNTER_FP0_C0) >> 1; + struct mali_pp_core* pp_core = mali_pp_get_global_pp_core(core_id); + if (NULL != pp_core) + { + u32 counter_src = (counter_id - COUNTER_FP0_C0) & 1; + if (0 == counter_src) + { + if (MALI_TRUE == mali_pp_core_set_counter_src0(pp_core, event_id)) + { + return 1; + } + } + else + { + if (MALI_TRUE == mali_pp_core_set_counter_src1(pp_core, event_id)) + { + return 1; + } + } + } + } + if (COUNTER_L2_C0 <= counter_id && COUNTER_L2_C1 >= counter_id) + { + u32 core_id = (counter_id - COUNTER_L2_C0) >> 1; + struct mali_l2_cache_core* l2_cache_core = mali_l2_cache_core_get_glob_l2_core(core_id); + if (NULL != l2_cache_core) + { + u32 counter_src = (counter_id - COUNTER_L2_C0) & 1; + if (0 == counter_src) + { + if (MALI_TRUE == mali_l2_cache_core_set_counter_src0(l2_cache_core, event_id)) + { + return 1; + } + } + else + { + if (MALI_TRUE == mali_l2_cache_core_set_counter_src1(l2_cache_core, event_id)) + { + return 1; + } + } + } + } + + return 0; +} + +/** + * Called by gator.ko to retrieve the L2 cache counter values for the first L2 cache. + * The L2 cache counters are unique in that they are polled by gator, rather than being + * transmitted via the tracepoint mechanism. + * + * @param src0 First L2 cache counter ID. + * @param val0 First L2 cache counter value. + * @param src1 Second L2 cache counter ID. + * @param val1 Second L2 cache counter value. + */ +void _mali_profiling_get_counters(u32 *src0, u32 *val0, u32 *src1, u32 *val1) +{ + struct mali_l2_cache_core *l2_cache = mali_l2_cache_core_get_glob_l2_core(0); + if (NULL != l2_cache) + { + if (MALI_TRUE == mali_l2_cache_lock_power_state(l2_cache)) + { + /* It is now safe to access the L2 cache core in order to retrieve the counters */ + mali_l2_cache_core_get_counter_values(l2_cache, src0, val0, src1, val1); + } + mali_l2_cache_unlock_power_state(l2_cache); + } +} + +/* + * List of possible actions to be controlled by Streamline. + * The following numbers are used by gator to control the frame buffer dumping and s/w counter reporting. + * We cannot use the enums in mali_uk_types.h because they are unknown inside gator. + */ +#define FBDUMP_CONTROL_ENABLE (1) +#define FBDUMP_CONTROL_RATE (2) +#define SW_COUNTER_ENABLE (3) +#define FBDUMP_CONTROL_RESIZE_FACTOR (4) + +/** + * Called by gator to control the production of profiling information at runtime. + */ +void _mali_profiling_control(u32 action, u32 value) +{ + switch(action) + { + case FBDUMP_CONTROL_ENABLE: + mali_set_user_setting(_MALI_UK_USER_SETTING_COLORBUFFER_CAPTURE_ENABLED, (value == 0 ? MALI_FALSE : MALI_TRUE)); + break; + case FBDUMP_CONTROL_RATE: + mali_set_user_setting(_MALI_UK_USER_SETTING_BUFFER_CAPTURE_N_FRAMES, value); + break; + case SW_COUNTER_ENABLE: + mali_set_user_setting(_MALI_UK_USER_SETTING_SW_COUNTER_ENABLED, value); + break; + case FBDUMP_CONTROL_RESIZE_FACTOR: + mali_set_user_setting(_MALI_UK_USER_SETTING_BUFFER_CAPTURE_RESIZE_FACTOR, value); + break; + default: + break; /* Ignore unimplemented actions */ + } +} + +EXPORT_SYMBOL(_mali_profiling_set_event); +EXPORT_SYMBOL(_mali_profiling_get_counters); +EXPORT_SYMBOL(_mali_profiling_control); |