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driver,mpu6500: modify _RATE_DEBUG

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Change-Id: Iaa1f9c099db659aa7ef9f05efb99c4279569bcf8
Signed-off-by: Zorro Liu <lyx@rock-chips.com>
This commit is contained in:
Zorro Liu
2016-08-24 10:27:45 +08:00
committed by Huang, Tao
parent f1a5e64dd8
commit 5aa50a28af
1 changed files with 37 additions and 62 deletions
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99
drivers/staging/iio/imu/inv_mpu/inv_mpu_ring.c
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@@ -718,14 +718,6 @@ flush_fifo:
return IRQ_HANDLED;
}
#ifdef _RATE_DEBUG
static s64 tm_min = -1;
static s64 tm_max = -1;
static s64 tm_sum = -1;
static s64 tm_last_print = -1;
static s64 tm_count = -1;
#endif
static int inv_report_gyro_accl_compass(struct iio_dev *indio_dev,
u8 *data, s64 t)
{
@@ -843,34 +835,6 @@ static int inv_report_gyro_accl_compass(struct iio_dev *indio_dev,
tmp[DIV_ROUND_UP(ind, 8)] = t;
if (ind > 0) {
#ifdef _RATE_DEBUG
s64 tm_cur = get_time_ns();
s64 tm_delta = tm_cur - t;
if (tm_min <= 0 && tm_max <= 0) {
tm_min = tm_delta;
tm_max = tm_delta;
tm_sum = 0;
tm_count = 0;
} else if (tm_delta < tm_min) {
tm_min = tm_delta;
} else if (tm_delta > tm_max) {
tm_max = tm_delta;
}
tm_sum += tm_delta;
tm_count++;
if (unlikely((tm_cur - tm_last_print) >= 1000000000)) {
pr_info("MPU6050 report size: %d rate: %lld\n", ind, tm_count);
pr_info("MPU KRNL report: [%lld] %lld,%d,%lld\n", t, tm_min, (u32)tm_sum / (u32)tm_count, tm_max);
tm_last_print = tm_cur;
tm_min = 0;
tm_max = 0;
tm_count = 0;
tm_sum = 0;
}
#endif
#ifdef INV_KERNEL_3_10
iio_push_to_buffers(indio_dev, buf);
#else
@@ -930,6 +894,13 @@ static int get_bytes_per_datum(struct inv_mpu_iio_s *st)
return bytes_per_datum;
}
#ifdef _RATE_DEBUG
static s64 tm_end_min = -1;
static s64 tm_end_max = -1;
static s64 tm_end_sum = -1;
static s64 tm_end_last_print = -1;
static s64 tm_end_count = -1;
#endif
/**
* inv_read_fifo() - Transfer data from FIFO to ring buffer.
*/
@@ -948,14 +919,6 @@ irqreturn_t inv_read_fifo(int irq, void *dev_id)
s64 buf[8];
s8 *tmp;
#ifdef _RATE_DEBUG
s64 tm_i2c_sum = 0;
s64 tm = 0;
s64 tm_begin, tm_end;
tm_begin = get_time_ns();
#endif
mutex_lock(&indio_dev->mlock);
if (!(iio_buffer_enabled(indio_dev)))
goto end_session;
@@ -991,14 +954,8 @@ irqreturn_t inv_read_fifo(int irq, void *dev_id)
bytes_per_datum = get_bytes_per_datum(st);
fifo_count = 0;
if (bytes_per_datum != 0) {
#ifdef _RATE_DEBUG
tm = get_time_ns();
#endif
result = inv_plat_read(st, reg->fifo_count_h,
FIFO_COUNT_BYTE, data);
#ifdef _RATE_DEBUG
tm_i2c_sum += get_time_ns() - tm;
#endif
if (result)
goto end_session;
fifo_count = be16_to_cpup((__be16 *)(&data[0]));
@@ -1034,14 +991,8 @@ irqreturn_t inv_read_fifo(int irq, void *dev_id)
}
tmp = (s8 *)buf;
while ((bytes_per_datum != 0) && (fifo_count >= bytes_per_datum)) {
#ifdef _RATE_DEBUG
tm = get_time_ns();
#endif
result = inv_plat_read(st, reg->fifo_r_w, bytes_per_datum,
data);
#ifdef _RATE_DEBUG
tm_i2c_sum += get_time_ns() - tm;
#endif
if (result)
goto flush_fifo;
@@ -1055,19 +1006,43 @@ irqreturn_t inv_read_fifo(int irq, void *dev_id)
if (bytes_per_datum == 0 && st->chip_config.compass_fifo_enable)
inv_report_gyro_accl_compass(indio_dev, data, timestamp);
end_session:
mutex_unlock(&indio_dev->mlock);
#ifdef _RATE_DEBUG
tm_end = get_time_ns();
if (tm_end - tm_begin > 700000)
pr_info("%s: [%lld] %lld %lld %lld\n", __func__, timestamp, tm_begin - timestamp, tm_i2c_sum, tm_end - tm_begin);
{
s64 tm_end_cur = get_time_ns();
s64 tm_end_delta = tm_end_cur - timestamp;
if (tm_end_min <= 0 && tm_end_max <= 0) {
tm_end_min = tm_end_delta;
tm_end_max = tm_end_delta;
tm_end_sum = 0;
tm_end_count = 0;
} else if (tm_end_delta < tm_end_min) {
tm_end_min = tm_end_delta;
} else if (tm_end_delta > tm_end_max) {
tm_end_max = tm_end_delta;
}
tm_end_sum += tm_end_delta;
tm_end_count++;
if (unlikely((tm_end_cur - tm_end_last_print) >= 1000000000)) {
pr_info("MPU KRNL report rate[%4lld]: %8lld, %8d, %8lld\n",
tm_end_count, tm_end_min, (u32)tm_end_sum / (u32)tm_end_count, tm_end_max);
tm_end_last_print = tm_end_cur;
tm_end_min = 0;
tm_end_max = 0;
tm_end_count = 0;
tm_end_sum = 0;
}
}
#endif
end_session:
mutex_unlock(&indio_dev->mlock);
return IRQ_HANDLED;
flush_fifo:
/* Flush HW and SW FIFOs. */
pr_info("fifo_count = %d, fifo_len = %d\n", fifo_count, kfifo_len(&st->timestamps));
inv_reset_fifo(indio_dev);
inv_clear_kfifo(st);
mutex_unlock(&indio_dev->mlock);