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services: input events: enable debugging in EventHub (touch screen issues)

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Enable verbose logging, but limit the output of events to only those that
are stale by more than 1ms.
This does not overly pollute the logcat output.


Bug: 6258051
Change-Id: I32012a379ca0e97c0834975482cd91f9eeb08907
This commit is contained in:
JP Abgrall
2012-05-08 16:38:33 -07:00
parent 29bb27ef90
commit df0a89daa8
1 changed files with 16 additions and 7 deletions
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23
services/input/EventHub.cpp
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@@ -16,7 +16,7 @@
#define LOG_TAG "EventHub"
// #define LOG_NDEBUG 0
#define LOG_NDEBUG 0
#include "EventHub.h"
@@ -767,11 +767,7 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
size_t count = size_t(readSize) / sizeof(struct input_event);
for (size_t i = 0; i < count; i++) {
const struct input_event& iev = readBuffer[i];
ALOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, value=%d",
device->path.string(),
(int) iev.time.tv_sec, (int) iev.time.tv_usec,
iev.type, iev.code, iev.value);
nsecs_t delta = 0;
#ifdef HAVE_POSIX_CLOCKS
// Use the time specified in the event instead of the current time
// so that downstream code can get more accurate estimates of
@@ -786,10 +782,23 @@ size_t EventHub::getEvents(int timeoutMillis, RawEvent* buffer, size_t bufferSiz
// system call that also queries ktime_get_ts().
event->when = nsecs_t(iev.time.tv_sec) * 1000000000LL
+ nsecs_t(iev.time.tv_usec) * 1000LL;
ALOGV("event time %lld, now %lld", event->when, now);
delta = now - event->when;
// Only log verbose if events are older that 1ms
if (delta > 1 * 1000000LL) {
ALOGV("event time %lld, now %lld, delta %lldus", event->when, now, delta / 1000LL);
}
#else
event->when = now;
#endif
if (delta > 1 * 1000000LL) {
ALOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, value=%d",
device->path.string(),
(int) iev.time.tv_sec, (int) iev.time.tv_usec,
iev.type, iev.code, iev.value);
}
event->deviceId = deviceId;
event->type = iev.type;
event->code = iev.code;