android/android_hardware_qcom_display
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ligralloc-qsd8k: Add debug feature to display FPS

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Change-Id: I5fd7d605db7067044c4839cbb0d3544a25410b7f
This commit is contained in:
Harshad Bhutada 2011-06-29 11:48:48 +05:30
parent 727d46f18b
commit 1c2dc794f8
2 changed files with 143 additions and 3 deletions
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4
Android.mk
View File

@ -19,7 +19,7 @@ LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_PRELINK_MODULE := false
LOCAL_MODULE_PATH := $(TARGET_OUT_SHARED_LIBRARIES)/hw
LOCAL_SHARED_LIBRARIES := liblog libcutils libGLESv1_CM
LOCAL_SHARED_LIBRARIES := liblog libcutils libGLESv1_CM libutils
LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
LOCAL_ADDITIONAL_DEPENDENCIES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr
@ -33,7 +33,7 @@ LOCAL_SRC_FILES := \
LOCAL_MODULE := gralloc.$(TARGET_BOARD_PLATFORM)
LOCAL_MODULE_TAGS := optional
LOCAL_CFLAGS:= -DLOG_TAG=\"$(TARGET_BOARD_PLATFORM).gralloc\" -DHOST
LOCAL_CFLAGS:= -DLOG_TAG=\"$(TARGET_BOARD_PLATFORM).gralloc\" -DHOST -DDEBUG_CALC_FPS
ifneq (, $(filter msm7625_ffa msm7625_surf msm7627_ffa msm7627_surf msm7627_7x_ffa msm7627_7x_surf msm7627a, $(QCOM_TARGET_PRODUCT)))
LOCAL_CFLAGS += -DTARGET_MSM7x27

142
framebuffer.cpp
View File

@ -22,6 +22,7 @@
#include <cutils/ashmem.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#include <utils/Timers.h>
#include <hardware/hardware.h>
#include <hardware/gralloc.h>
@ -79,6 +80,36 @@ static inline size_t ALIGN(size_t x, size_t align) {
char framebufferStateName[] = {'S', 'R', 'A'};
#ifdef DEBUG_CALC_FPS
#define MAX_FPS_CALC_PERIOD_IN_FRAMES 128
#define MAX_FRAMARRIVAL_STEPS 50
#define MAX_DEBUG_FPS_LEVEL 2
struct debug_fps_metadata_t {
/* indicates how many frames do we wait till we calculate FPS */
unsigned int period;
/* current frame, will go upto period, and then reset */
unsigned int curr_frame;
/* frame will arrive at a multiple of 16666 us at the display.
This indicates how many steps to consider for our calculations.
For example, if framearrival_steps = 10, then the frame that arrived
after 166660 us or more will be ignored.
*/
unsigned int framearrival_steps;
/* ignorethresh_us = framearrival_steps * 16666 */
nsecs_t ignorethresh_us;
/* used to calculate the actual frame arrival step, the times might not be
accurate
*/
unsigned int margin_us;
/* actual data storage */
nsecs_t framearrivals[MAX_FPS_CALC_PERIOD_IN_FRAMES];
nsecs_t accum_framearrivals[MAX_FRAMARRIVAL_STEPS];
};
#endif
/*****************************************************************************/
enum {
@ -99,6 +130,12 @@ struct fb_context_t {
};
static int neworientation;
#ifdef DEBUG_CALC_FPS
static debug_fps_metadata_t debug_fps_metadata;
static unsigned int debug_fps_level = 0;
#endif
/*****************************************************************************/
static void
@ -134,6 +171,92 @@ static int fb_setUpdateRect(struct framebuffer_device_t* dev,
return 0;
}
#ifdef DEBUG_CALC_FPS
static void populate_debug_fps_metadata(void)
{
char prop[PROPERTY_VALUE_MAX];
property_get("debug.gr.calcfps.period", prop, "10");
debug_fps_metadata.period = atoi(prop);
/* default ignorethresh_us: 500 milli seconds */
property_get("debug.gr.calcfps.ignorethresh_us", prop, "500000");
debug_fps_metadata.ignorethresh_us = atoi(prop);
debug_fps_metadata.framearrival_steps =
(debug_fps_metadata.ignorethresh_us / 16666);
if (debug_fps_metadata.framearrival_steps > MAX_FRAMARRIVAL_STEPS) {
debug_fps_metadata.framearrival_steps = MAX_FRAMARRIVAL_STEPS;
debug_fps_metadata.ignorethresh_us =
debug_fps_metadata.framearrival_steps * 16666;
}
/* 2ms margin of error for the gettimeofday */
debug_fps_metadata.margin_us = 2000;
for (int i = 0; i < MAX_FRAMARRIVAL_STEPS; i++)
debug_fps_metadata.accum_framearrivals[i] = 0;
LOGE("period: %d", debug_fps_metadata.period);
LOGE("ignorethresh_us: %lld", debug_fps_metadata.ignorethresh_us);
}
static void calc_fps(nsecs_t currtime_us)
{
static nsecs_t oldtime_us = 0;
nsecs_t diff = currtime_us - oldtime_us;
oldtime_us = currtime_us;
if (diff > debug_fps_metadata.ignorethresh_us) {
return;
}
if (debug_fps_metadata.curr_frame == debug_fps_metadata.period) {
/* time to calculate and display FPS */
nsecs_t sum = 0;
for (unsigned int i = 0; i < debug_fps_metadata.period; i++)
sum += debug_fps_metadata.framearrivals[i];
LOGE("FPS for last %d frames: %3.2f", debug_fps_metadata.period,
(debug_fps_metadata.period * float(1000000))/float(sum));
debug_fps_metadata.curr_frame = 0;
if (debug_fps_level > 1) {
LOGE("Frame Arrival Distribution:");
for (unsigned int i = 0;
i < ((debug_fps_metadata.framearrival_steps / 6) + 1);
i++) {
LOGE("%lld %lld %lld %lld %lld %lld",
debug_fps_metadata.accum_framearrivals[i*6],
debug_fps_metadata.accum_framearrivals[i*6+1],
debug_fps_metadata.accum_framearrivals[i*6+2],
debug_fps_metadata.accum_framearrivals[i*6+3],
debug_fps_metadata.accum_framearrivals[i*6+4],
debug_fps_metadata.accum_framearrivals[i*6+5]);
}
/* We are done with displaying, now clear the stats */
for (unsigned int i = 0; i < debug_fps_metadata.framearrival_steps; i++)
debug_fps_metadata.accum_framearrivals[i] = 0;
}
}
debug_fps_metadata.framearrivals[debug_fps_metadata.curr_frame++] = diff;
if (debug_fps_level > 1) {
unsigned int currstep = (diff + debug_fps_metadata.margin_us) / 16666;
if (currstep < debug_fps_metadata.framearrival_steps) {
debug_fps_metadata.accum_framearrivals[currstep-1]++;
}
}
}
#endif // DEBUG_CALC_FPS
static void *disp_loop(void *ptr)
{
struct qbuf_t nxtBuf;
@ -172,6 +295,10 @@ static void *disp_loop(void *ptr)
LOGE("ERROR FBIOPUT_VSCREENINFO failed; frame not displayed");
}
#ifdef DEBUG_CALC_FPS
if (debug_fps_level > 0) calc_fps(ns2us(systemTime()));
#endif
if (cur_buf == -1) {
int nxtAvail = ((nxtBuf.idx + 1) % m->numBuffers);
pthread_mutex_lock(&(m->avail[nxtBuf.idx].lock));
@ -820,7 +947,7 @@ int mapFrameBufferLocked(struct private_module_t* module)
if (numberOfBuffers > NUM_FRAMEBUFFERS_MAX)
numberOfBuffers = NUM_FRAMEBUFFERS_MAX;
LOGD("We support %d buffers", numberOfBuffers);
LOGE("We support %d buffers", numberOfBuffers);
info.yres_virtual = info.yres * numberOfBuffers;
@ -915,6 +1042,19 @@ int mapFrameBufferLocked(struct private_module_t* module)
module->swapInterval = 1;
#endif
#ifdef DEBUG_CALC_FPS
char prop[PROPERTY_VALUE_MAX];
property_get("debug.gr.calcfps", prop, "0");
debug_fps_level = atoi(prop);
if (debug_fps_level > MAX_DEBUG_FPS_LEVEL) {
LOGW("out of range value for debug.gr.calcfps, using 0");
debug_fps_level = 0;
}
LOGE("DEBUG_CALC_FPS: %d", debug_fps_level);
populate_debug_fps_metadata();
#endif
module->currentIdx = -1;
pthread_cond_init(&(module->qpost), NULL);
pthread_mutex_init(&(module->qlock), NULL);