libs/hwc/hwc_debugger.cpp

/*
* Copyright (c) 2014 - 2016, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
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*       with the distribution.
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*       contributors may be used to endorse or promote products derived
*       from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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*/

#include <utils/constants.h>
#include <cutils/properties.h>

#include "hwc_debugger.h"

namespace sdm {

HWCDebugHandler HWCDebugHandler::debug_handler_;
std::bitset<32> HWCDebugHandler::debug_flags_ = 0x1;
int32_t HWCDebugHandler::verbose_level_ = 0x0;

void HWCDebugHandler::DebugAll(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_ = 0x7FFFFFFF;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_ = 0x1;   // kTagNone should always be printed.
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugResources(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagResources] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagResources] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugStrategy(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagStrategy] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagStrategy] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugCompManager(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagCompManager] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagCompManager] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugDriverConfig(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagDriverConfig] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagDriverConfig] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugRotator(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagRotator] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagRotator] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::DebugQdcm(bool enable, int verbose_level) {
  if (enable) {
    debug_flags_[kTagQDCM] = 1;
    verbose_level_ = verbose_level;
  } else {
    debug_flags_[kTagQDCM] = 0;
    verbose_level_ = 0;
  }
}

void HWCDebugHandler::Error(DebugTag /*tag*/, const char *format, ...) {
  va_list list;
  va_start(list, format);
  __android_log_vprint(ANDROID_LOG_ERROR, LOG_TAG, format, list);
}

void HWCDebugHandler::Warning(DebugTag /*tag*/, const char *format, ...) {
  va_list list;
  va_start(list, format);
  __android_log_vprint(ANDROID_LOG_WARN, LOG_TAG, format, list);
}

void HWCDebugHandler::Info(DebugTag tag, const char *format, ...) {
  if (debug_flags_[tag]) {
    va_list list;
    va_start(list, format);
    __android_log_vprint(ANDROID_LOG_INFO, LOG_TAG, format, list);
  }
}

void HWCDebugHandler::Debug(DebugTag tag, const char *format, ...) {
  if (debug_flags_[tag]) {
    va_list list;
    va_start(list, format);
    __android_log_vprint(ANDROID_LOG_DEBUG, LOG_TAG, format, list);
  }
}

void HWCDebugHandler::Verbose(DebugTag tag, const char *format, ...) {
  if (debug_flags_[tag] && verbose_level_) {
    va_list list;
    va_start(list, format);
    __android_log_vprint(ANDROID_LOG_VERBOSE, LOG_TAG, format, list);
  }
}

void HWCDebugHandler::BeginTrace(const char *class_name, const char *function_name,
                                 const char *custom_string) {
  char name[PATH_MAX] = {0};
  snprintf(name, sizeof(name), "%s::%s::%s", class_name, function_name, custom_string);
  atrace_begin(ATRACE_TAG, name);
}

void HWCDebugHandler::EndTrace() {
  atrace_end(ATRACE_TAG);
}

int  HWCDebugHandler::GetIdleTimeoutMs() {
  int value = IDLE_TIMEOUT_DEFAULT_MS;
  debug_handler_.GetProperty("sdm.idle_time", &value);

  return value;
}

DisplayError HWCDebugHandler::GetProperty(const char *property_name, int *value) {
  char property[PROPERTY_VALUE_MAX];

  if (property_get(property_name, property, NULL) > 0) {
    *value = atoi(property);
    return kErrorNone;
  }

  return kErrorNotSupported;
}

DisplayError HWCDebugHandler::GetProperty(const char *property_name, char *value) {
  if (property_get(property_name, value, NULL) > 0) {
    return kErrorNone;
  }

  return kErrorNotSupported;
}

DisplayError HWCDebugHandler::SetProperty(const char *property_name, const char *value) {
  if (property_set(property_name, value) == 0) {
    return kErrorNone;
  }

  return kErrorNotSupported;
}

}  // namespace sdm