382 lines
8.6 KiB
C
382 lines
8.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
#define MET_USER_EVENT_SUPPORT /*Turn met user event*/
|
|
|
|
#include <linux/hrtimer.h>
|
|
#include <linux/mutex.h>
|
|
#include "vpu_cmn.h"
|
|
#include "vpu_reg.h"
|
|
#include "vpu_profile.h"
|
|
|
|
/* MET: define to enable MET */
|
|
#if defined(VPU_MET_READY)
|
|
#include <mt-plat/met_drv.h>
|
|
#define CREATE_TRACE_POINTS
|
|
#include "met_vpusys_events.h"
|
|
#endif
|
|
|
|
|
|
#define DEFAULT_POLLING_PERIOD_NS (1000000)
|
|
#define COUNTER_PID (0) /*(65535)*/ /*task_pid_nr(current)*/
|
|
#define BEGINEND_PID (0) /*(65535)*/ /*task_pid_nr(current)*/
|
|
#define ASYNCBEGINEND_PID (0) /*(65535)*/ /*task_pid_nr(current)*/
|
|
|
|
|
|
|
|
static int m_vpu_profile_state;
|
|
static struct hrtimer hr_timer;
|
|
static uint64_t vpu_base[MTK_VPU_CORE];
|
|
static bool vpu_on[MTK_VPU_CORE];
|
|
static struct mutex profile_mutex;
|
|
static int profiling_counter;
|
|
static int stop_result;
|
|
static int vpu_counter[MTK_VPU_CORE][4];
|
|
/*
|
|
* mini trace system
|
|
* [KATRACE] mini trace system
|
|
*/
|
|
#define KATRACE_MESSAGE_LENGTH 1024
|
|
|
|
static noinline int tracing_mark_write(const char *buf)
|
|
{
|
|
#if defined(VPU_MET_READY)
|
|
TRACE_PUTS(buf);
|
|
#endif
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* [KATRACE] Begin-End
|
|
*/
|
|
#define KATRACE_BEGIN(name) katrace_begin_body(name)
|
|
void katrace_begin_body(const char *name)
|
|
{
|
|
char buf[KATRACE_MESSAGE_LENGTH];
|
|
int len = snprintf(buf, sizeof(buf), "B|%d|%s", BEGINEND_PID, name);
|
|
|
|
if (len >= (int) sizeof(buf)) {
|
|
LOG_DBG("Truncated name in %s: %s\n", __func__, name);
|
|
len = sizeof(buf) - 1;
|
|
}
|
|
tracing_mark_write(buf);
|
|
}
|
|
|
|
#define KATRACE_END() katrace_end()
|
|
inline void katrace_end(void)
|
|
{
|
|
char c = 'E';
|
|
|
|
tracing_mark_write(&c);
|
|
}
|
|
|
|
|
|
#define WRITE_MSG(format_begin, format_end, pid, name, value) { \
|
|
char buf[KATRACE_MESSAGE_LENGTH]; \
|
|
int len = snprintf(buf, sizeof(buf), \
|
|
format_begin "%s" format_end, pid, \
|
|
name, value); \
|
|
if (len >= (int) sizeof(buf)) { \
|
|
/* Given the sizeof(buf), and all of the current */ \
|
|
/* format buffers, it is impossible for name_len */ \
|
|
/* to be < 0 if len >= sizeof(buf). */ \
|
|
int name_len = strlen(name) - (len - sizeof(buf)) - 1; \
|
|
/* Truncate the name to make the message fit. */ \
|
|
LOG_DBG("Truncated name in %s: %s\n", __func__, name); \
|
|
len = snprintf(buf, sizeof(buf), \
|
|
format_begin "%.*s" format_end, pid, \
|
|
name_len, name, value); \
|
|
} \
|
|
tracing_mark_write(buf); \
|
|
}
|
|
|
|
/*
|
|
* [KATRACE] Counter Integer
|
|
*/
|
|
#define KATRACE_INT(name, value) katrace_int_body(name, value)
|
|
void katrace_int_body(const char *name, int32_t value)
|
|
{
|
|
WRITE_MSG("C|%d|", "|%d", COUNTER_PID, name, value);
|
|
}
|
|
|
|
/*
|
|
* [KATRACE] Async Begin-End
|
|
*/
|
|
#define KATRACE_ASYNC_BEGIN(name, cookie) \
|
|
katrace_async_begin_body(name, cookie)
|
|
void katrace_async_begin_body(const char *name, int32_t cookie)
|
|
{
|
|
WRITE_MSG("S|%d|", "|%d", ASYNCBEGINEND_PID, name, cookie);
|
|
}
|
|
|
|
#define KATRACE_ASYNC_END(name, cookie) katrace_async_end_body(name, cookie)
|
|
void katrace_async_end_body(const char *name, int32_t cookie)
|
|
{
|
|
WRITE_MSG("F|%d|", "|%d", ASYNCBEGINEND_PID, name, cookie);
|
|
}
|
|
|
|
|
|
/*
|
|
* VPU event based MET funcs
|
|
*/
|
|
void vpu_met_event_enter(int core, int algo_id, int dsp_freq)
|
|
{
|
|
#if defined(VPU_MET_READY)
|
|
trace_VPU__D2D_enter(core, algo_id, dsp_freq);
|
|
#endif
|
|
}
|
|
|
|
void vpu_met_event_leave(int core, int algo_id)
|
|
{
|
|
#if defined(VPU_MET_READY)
|
|
trace_VPU__D2D_leave(core, algo_id, 0);
|
|
#endif
|
|
}
|
|
|
|
void vpu_met_packet(long long wclk, char action, int core, int pid,
|
|
int sessid, char *str_desc, int val)
|
|
{
|
|
#if defined(VPU_MET_READY)
|
|
trace___MET_PACKET__(wclk, action, core, pid, sessid, str_desc, val);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* VPU event based MET funcs
|
|
*/
|
|
void vpu_met_event_dvfs(int vcore_opp,
|
|
int dsp_freq, int ipu_if_freq, int dsp1_freq, int dsp2_freq)
|
|
{
|
|
#if defined(VPU_MET_READY)
|
|
trace_VPU__DVFS(vcore_opp, dsp_freq, ipu_if_freq, dsp1_freq, dsp2_freq);
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* VPU counter reader
|
|
*/
|
|
static void vpu_profile_core_read(int core)
|
|
{
|
|
int i;
|
|
uint32_t value[4];
|
|
|
|
/* read register and send to met */
|
|
for (i = 0; i < 4; i++) {
|
|
uint32_t counter;
|
|
|
|
counter = vpu_read_reg32(vpu_base[core],
|
|
DEBUG_BASE_OFFSET + 0x1080 + i * 4);
|
|
value[i] = (counter - vpu_counter[core][i]);
|
|
vpu_counter[core][i] = counter;
|
|
}
|
|
LOG_DBG("[vpu_profile_%d] read %d/%d/%d/%d\n",
|
|
core, value[0], value[1], value[2], value[3]);
|
|
|
|
LOG_DBG("[vpu_profile_%d] read %d/%d/%d/%d\n", core, value1, value2,
|
|
value3, value4);
|
|
#if defined(VPU_MET_READY)
|
|
trace_VPU__polling(core, value[0], value[1], value[2], value[3]);
|
|
#endif
|
|
}
|
|
|
|
static void vpu_profile_register_read(void)
|
|
{
|
|
int i = 0;
|
|
|
|
for (i = 0 ; i < MTK_VPU_CORE; i++)
|
|
if (vpu_on[i])
|
|
vpu_profile_core_read(i);
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
* VPU Polling Function
|
|
*/
|
|
static enum hrtimer_restart vpu_profile_polling(struct hrtimer *timer)
|
|
{
|
|
LOG_DBG("%s +\n", __func__);
|
|
/*call functions need to be called periodically*/
|
|
vpu_profile_register_read();
|
|
|
|
hrtimer_forward_now(&hr_timer, ns_to_ktime(DEFAULT_POLLING_PERIOD_NS));
|
|
LOG_DBG("%s -\n", __func__);
|
|
return HRTIMER_RESTART;
|
|
}
|
|
|
|
|
|
|
|
static int vpu_profile_timer_start(void)
|
|
{
|
|
hrtimer_init(&hr_timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
|
|
hr_timer.function = vpu_profile_polling;
|
|
hrtimer_start(&hr_timer, ns_to_ktime(DEFAULT_POLLING_PERIOD_NS),
|
|
HRTIMER_MODE_REL);
|
|
return 0;
|
|
}
|
|
|
|
static int vpu_profile_timer_try_stop(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
ret = hrtimer_try_to_cancel(&hr_timer);
|
|
return ret;
|
|
}
|
|
|
|
static int vpu_profile_timer_stop(void)
|
|
{
|
|
hrtimer_cancel(&hr_timer);
|
|
return 0;
|
|
}
|
|
|
|
static uint32_t make_pm_ctrl(uint32_t selector, uint32_t mask)
|
|
{
|
|
uint32_t ctrl = PERF_PMCTRL_TRACELEVEL;
|
|
|
|
ctrl |= selector << PERF_PMCTRL_SELECT_SHIFT;
|
|
ctrl |= mask << PERF_PMCTRL_MASK_SHIFT;
|
|
return ctrl;
|
|
}
|
|
|
|
static void vpu_profile_core_start(int core)
|
|
{
|
|
uint64_t ptr_axi_2;
|
|
uint64_t ptr_pmg, ptr_pmctrl0, ptr_pmstat0, ptr_pmcounter0;
|
|
uint32_t ctrl[4];
|
|
int i;
|
|
|
|
ptr_axi_2 = vpu_base[core] + g_vpu_reg_descs[REG_AXI_DEFAULT2].offset;
|
|
ptr_pmg = vpu_base[core] + DEBUG_BASE_OFFSET + 0x1000;
|
|
|
|
ptr_pmcounter0 = vpu_base[core] + DEBUG_BASE_OFFSET + 0x1080;
|
|
ptr_pmctrl0 = vpu_base[core] + DEBUG_BASE_OFFSET + 0x1100;
|
|
ptr_pmstat0 = vpu_base[core] + DEBUG_BASE_OFFSET + 0x1180;
|
|
/* enable */
|
|
VPU_SET_BIT(ptr_axi_2, 0);
|
|
VPU_SET_BIT(ptr_axi_2, 1);
|
|
VPU_SET_BIT(ptr_axi_2, 2);
|
|
VPU_SET_BIT(ptr_axi_2, 3);
|
|
|
|
ctrl[0] = make_pm_ctrl(XTPERF_CNT_INSN, XTPERF_MASK_INSN_ALL);
|
|
ctrl[1] = make_pm_ctrl(XTPERF_CNT_IDMA, XTPERF_MASK_IDMA_ACTIVE_CYCLES);
|
|
ctrl[2] = make_pm_ctrl(XTPERF_CNT_D_STALL,
|
|
XTPERF_MASK_D_STALL_UNCACHED_LOAD);
|
|
ctrl[3] = make_pm_ctrl(XTPERF_CNT_I_STALL,
|
|
XTPERF_MASK_I_STALL_CACHE_MISS);
|
|
|
|
/*ctrl[2] = make_pm_ctrl(XTPERF_CNT_EXR, XTPERF_MASK_EXR_ALL);*/
|
|
/*ctrl[3] = make_pm_ctrl(XTPERF_CNT_BUBBLES, XTPERF_MASK_BUBBLES_ALL);*/
|
|
|
|
/* read register and send to met */
|
|
for (i = 0; i < 4; i++) {
|
|
vpu_write_reg32(ptr_pmctrl0, i * 4, ctrl[i]);
|
|
vpu_write_reg32(ptr_pmstat0, i * 4, 0);
|
|
vpu_write_reg32(ptr_pmcounter0, i * 4, 0);
|
|
vpu_counter[core][i] = 0;
|
|
}
|
|
|
|
/* 0: PERF_PMG_ENABLE */
|
|
VPU_SET_BIT(ptr_pmg, 0);
|
|
}
|
|
|
|
static int vpu_profile_start(int core)
|
|
{
|
|
LOG_DBG("%s +\n", __func__);
|
|
|
|
if (vpu_on[core])
|
|
vpu_profile_core_start(core);
|
|
|
|
LOG_DBG("%s -\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static int vpu_profile_stop(int type)
|
|
{
|
|
LOG_INF("%s (%d)+\n", __func__, type);
|
|
if (type)
|
|
stop_result = vpu_profile_timer_try_stop();
|
|
else
|
|
vpu_profile_timer_stop();
|
|
|
|
LOG_DBG("%s (%d/%d)-\n", __func__, type, stop_result);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int vpu_profile_state_set(int core, int val)
|
|
{
|
|
switch (val) {
|
|
case 0:
|
|
mutex_lock(&profile_mutex);
|
|
profiling_counter--;
|
|
vpu_on[core] = false;
|
|
LOG_INF("[vpu_profile_%d->%d] (stop) counter(%d, %d)\n",
|
|
core, vpu_on[core], m_vpu_profile_state,
|
|
profiling_counter);
|
|
if (profiling_counter == 0) {
|
|
m_vpu_profile_state = val;
|
|
mutex_unlock(&profile_mutex);
|
|
vpu_profile_stop(0);
|
|
} else {
|
|
mutex_unlock(&profile_mutex);
|
|
}
|
|
break;
|
|
case 1:
|
|
mutex_lock(&profile_mutex);
|
|
profiling_counter++;
|
|
vpu_on[core] = true;
|
|
LOG_INF("[vpu_profile_%d->%d] (start) counter(%d, %d)\n",
|
|
core, vpu_on[core], m_vpu_profile_state,
|
|
profiling_counter);
|
|
m_vpu_profile_state = val;
|
|
mutex_unlock(&profile_mutex);
|
|
vpu_profile_start(core);
|
|
|
|
if (profiling_counter == 1)
|
|
vpu_profile_timer_start();
|
|
break;
|
|
default:
|
|
/*unsupported command*/
|
|
return -1;
|
|
}
|
|
|
|
LOG_DBG("vpu_profile (%d) -\n", val);
|
|
return 0;
|
|
}
|
|
|
|
int vpu_profile_state_get(void)
|
|
{
|
|
return m_vpu_profile_state;
|
|
}
|
|
|
|
|
|
int vpu_init_profile(int core, struct vpu_device *device)
|
|
{
|
|
int i = 0;
|
|
|
|
m_vpu_profile_state = 0;
|
|
stop_result = 0;
|
|
vpu_base[core] = device->vpu_base[core];
|
|
for (i = 0 ; i < MTK_VPU_CORE; i++)
|
|
vpu_on[i] = false;
|
|
profiling_counter = 0;
|
|
mutex_init(&profile_mutex);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int vpu_uninit_profile(void)
|
|
{
|
|
int i = 0;
|
|
|
|
for (i = 0 ; i < MTK_VPU_CORE; i++)
|
|
vpu_on[i] = false;
|
|
if (stop_result)
|
|
vpu_profile_stop(0);
|
|
|
|
return 0;
|
|
}
|
|
|