tegrakernel/kernel/nvidia/drivers/misc/tegra-profiler/debug.h

94 lines
2.7 KiB
C
Raw Normal View History

2022-02-16 09:13:02 -06:00
/*
* drivers/misc/tegra-profiler/debug.h
*
* Copyright (c) 2013-2017, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#ifndef __QUADD_DEBUG_H
#define __QUADD_DEBUG_H
#include <linux/tegra_profiler.h>
/* #define QM_DEBUG_SAMPLES_ENABLE 1 */
#ifdef QM_DEBUG_SAMPLES_ENABLE
void qm_debug_handler_sample(struct pt_regs *regs);
void qm_debug_timer_forward(struct pt_regs *regs, u64 period);
void qm_debug_timer_start(struct pt_regs *regs, u64 period);
void qm_debug_timer_cancel(void);
void qm_debug_task_sched_in(pid_t prev_pid, pid_t current_pid,
int prev_nr_active);
void qm_debug_read_counter(struct quadd_event *event, u32 prev_val, u32 val);
void qm_debug_start_source(int source_type);
void qm_debug_stop_source(int source_type);
#else
static inline void qm_debug_handler_sample(struct pt_regs *regs)
{
}
static inline void qm_debug_timer_forward(struct pt_regs *regs, u64 period)
{
}
static inline void qm_debug_timer_start(struct pt_regs *regs, u64 period)
{
}
static inline void qm_debug_timer_cancel(void)
{
}
static inline void
qm_debug_task_sched_in(pid_t prev_pid, pid_t current_pid, int prev_nr_active)
{
}
static inline void
qm_debug_read_counter(struct quadd_event *event, u32 prev_val, u32 val)
{
}
static inline void qm_debug_start_source(int source_type)
{
}
static inline void qm_debug_stop_source(int source_type)
{
}
#endif
void quadd_test_delay(void);
#define QM_ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
static inline const char *
quadd_get_hw_event_str(int event)
{
static const char * const str[] = {
[QUADD_EVENT_HW_CPU_CYCLES] = "cpu-cycles",
[QUADD_EVENT_HW_INSTRUCTIONS] = "instructions",
[QUADD_EVENT_HW_BRANCH_INSTRUCTIONS] = "branch_instruction",
[QUADD_EVENT_HW_BRANCH_MISSES] = "branch_misses",
[QUADD_EVENT_HW_BUS_CYCLES] = "bus-cycles",
[QUADD_EVENT_HW_L1_DCACHE_READ_MISSES] = "l1_d_read",
[QUADD_EVENT_HW_L1_DCACHE_WRITE_MISSES] = "l1_d_write",
[QUADD_EVENT_HW_L1_ICACHE_MISSES] = "l1_i",
[QUADD_EVENT_HW_L2_DCACHE_READ_MISSES] = "l2_d_read",
[QUADD_EVENT_HW_L2_DCACHE_WRITE_MISSES] = "l2_d_write",
[QUADD_EVENT_HW_L2_ICACHE_MISSES] = "l2_i",
};
if (event >= QM_ARRAY_SIZE(str))
return "invalid event";
speculation_barrier();
return str[event];
}
#endif /* __QUADD_DEBUG_H */