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Added the support to report the chip system statistics to the esp-ins…
…ights. - The system stats from src/system/SystemStats.h are reported on enabling a config option to esp-insights.
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159 changes: 159 additions & 0 deletions
159
src/tracing/esp32_trace/include/matter/tracing/insights_sys_stats.cpp
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/* | ||
* Copyright (c) 2023 Project CHIP Authors | ||
* All rights reserved. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include "insights_sys_stats.h" | ||
#include <esp_diagnostics_metrics.h> | ||
#include <esp_err.h> | ||
#include <esp_log.h> | ||
#include <platform/CHIPDeviceLayer.h> | ||
#include <string.h> | ||
#include <system/SystemStats.h> | ||
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namespace chip { | ||
namespace System { | ||
namespace Stats { | ||
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InsightsSystemMetrics & InsightsSystemMetrics::GetInstance() | ||
{ | ||
static InsightsSystemMetrics instance; | ||
return instance; | ||
} | ||
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void InsightsSystemMetrics::SamplingIntervalHandler(Layer * systemLayer, void * context) | ||
{ | ||
auto instance = static_cast<InsightsSystemMetrics *>(context); | ||
count_t * highwatermarks = GetHighWatermarks(); | ||
for (int i = 0; i < System::Stats::kNumEntries; i++) | ||
{ | ||
esp_err_t err = esp_diag_metrics_add_uint(instance->mLabels[i], static_cast<int>(highwatermarks[i])); | ||
if (err != ESP_OK) | ||
{ | ||
ESP_LOGE(kTag, "Failed to add the metric:%s, err:%d", instance->mLabels[i], err); | ||
} | ||
} | ||
DeviceLayer::SystemLayer().StartTimer(instance->GetSamplingInterval(), SamplingIntervalHandler, instance); | ||
} | ||
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CHIP_ERROR InsightsSystemMetrics::Unregister() | ||
{ | ||
if (!mRegistered) | ||
{ | ||
return CHIP_ERROR_INCORRECT_STATE; | ||
} | ||
for (int i = 0; i < System::Stats::kNumEntries; i++) | ||
{ | ||
if (mLabels[i] != nullptr) | ||
{ | ||
esp_err_t err = esp_diag_metrics_unregister(mLabels[i]); | ||
if (err != ESP_OK) | ||
{ | ||
ESP_LOGE(kTag, "Failed to unregister metric:%s, err:%d", mLabels[i], err); | ||
} | ||
free(mLabels[i]); | ||
mLabels[i] = nullptr; | ||
} | ||
} | ||
return CHIP_NO_ERROR; | ||
} | ||
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void InsightsSystemMetrics::CancelSamplingInterval(intptr_t arg) | ||
{ | ||
auto instance = static_cast<InsightsSystemMetrics *>(reinterpret_cast<void *>(arg)); | ||
DeviceLayer::SystemLayer().CancelTimer(SamplingIntervalHandler, instance); | ||
} | ||
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CHIP_ERROR InsightsSystemMetrics::SetSamplingInterval(chip::System::Clock::Timeout aTimeout) | ||
{ | ||
if (!mRegistered) | ||
{ | ||
return CHIP_ERROR_INCORRECT_STATE; | ||
} | ||
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if (aTimeout == System::Clock::kZero) | ||
{ | ||
DeviceLayer::PlatformMgr().ScheduleWork(CancelSamplingInterval, reinterpret_cast<intptr_t>(this)); | ||
} | ||
else if (aTimeout != mTimeout) | ||
{ | ||
DeviceLayer::PlatformMgr().ScheduleWork(CancelSamplingInterval, reinterpret_cast<intptr_t>(this)); | ||
mTimeout = aTimeout; | ||
CHIP_ERROR err = DeviceLayer::SystemLayer().StartTimer(mTimeout, SamplingIntervalHandler, this); | ||
if (err != CHIP_NO_ERROR) | ||
{ | ||
ESP_LOGE(kTag, "Failed to start the new timer %" CHIP_ERROR_FORMAT, err.Format()); | ||
return err; | ||
} | ||
} | ||
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return CHIP_NO_ERROR; | ||
} | ||
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CHIP_ERROR InsightsSystemMetrics::RegisterAndEnable(chip::System::Clock::Timeout aTimeout) | ||
{ | ||
if (mRegistered) | ||
{ | ||
return CHIP_NO_ERROR; | ||
} | ||
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if (aTimeout == System::Clock::kZero) | ||
{ | ||
return CHIP_ERROR_INVALID_ARGUMENT; | ||
} | ||
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const Label * labels = GetStrings(); | ||
for (int i = 0; i < System::Stats::kNumEntries; i++) | ||
{ | ||
size_t labelLength = strlen(labels[i]); | ||
if (labelLength >= kMaxStringLength) | ||
{ | ||
labelLength = kMaxStringLength; | ||
mLabels[i] = strndup(labels[i], labelLength - 1); | ||
} | ||
else | ||
{ | ||
mLabels[i] = strndup(labels[i], labelLength); | ||
} | ||
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if (mLabels[i] == NULL) | ||
{ | ||
Unregister(); | ||
return CHIP_ERROR_NO_MEMORY; | ||
} | ||
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esp_err_t err = esp_diag_metrics_register(kTag, mLabels[i], labels[i], kPath, ESP_DIAG_DATA_TYPE_UINT); | ||
if (err != ESP_OK) | ||
{ | ||
ESP_LOGE(kTag, "Failed to register metric:%s, err:%d", mLabels[i], err); | ||
return CHIP_ERROR_INCORRECT_STATE; | ||
} | ||
} | ||
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mTimeout = System::Clock::Milliseconds32(aTimeout); | ||
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CHIP_ERROR err = DeviceLayer::SystemLayer().StartTimer(GetSamplingInterval(), SamplingIntervalHandler, this); | ||
if (err != CHIP_NO_ERROR) | ||
{ | ||
ESP_LOGE(kTag, "Failed to start the timer, err:%" CHIP_ERROR_FORMAT, err.Format()); | ||
return err; | ||
} | ||
mRegistered = true; | ||
return CHIP_NO_ERROR; | ||
} | ||
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} // namespace Stats | ||
} // namespace System | ||
} // namespace chip |
69 changes: 69 additions & 0 deletions
69
src/tracing/esp32_trace/include/matter/tracing/insights_sys_stats.h
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/* | ||
* Copyright (c) 2023 Project CHIP Authors | ||
* All rights reserved. | ||
* | ||
* Licensed under the Apache License, Version 2.0 (the "License"); | ||
* you may not use this file except in compliance with the License. | ||
* You may obtain a copy of the License at | ||
* | ||
* http://www.apache.org/licenses/LICENSE-2.0 | ||
* | ||
* Unless required by applicable law or agreed to in writing, software | ||
* distributed under the License is distributed on an "AS IS" BASIS, | ||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
* See the License for the specific language governing permissions and | ||
* limitations under the License. | ||
*/ | ||
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#include <lib/core/CHIPError.h> | ||
#include <platform/CHIPDeviceLayer.h> | ||
#include <system/SystemClock.h> | ||
#include <system/SystemStats.h> | ||
namespace chip { | ||
namespace System { | ||
namespace Stats { | ||
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class InsightsSystemMetrics | ||
{ | ||
public: | ||
static InsightsSystemMetrics & GetInstance(); | ||
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/* | ||
* This api registers the system metrics to the insights and starts the | ||
* timer to enable system stats periodically to the insights. | ||
*/ | ||
CHIP_ERROR RegisterAndEnable(chip::System::Clock::Timeout aTimeout); | ||
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/* | ||
* This api unregisters the system stats which are registered | ||
* as metrics to the esp-insights. | ||
*/ | ||
CHIP_ERROR Unregister(); | ||
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/* | ||
* This api cancels the timeout providing the user the flexibility | ||
* to increase or decrease the frequency of sampling the System | ||
* Stats. It cancels the timer if new timeout value is zero. | ||
* If the value of timeout differs from existing value, then | ||
* it cancels the previous timer and starts a new timer. | ||
*/ | ||
CHIP_ERROR SetSamplingInterval(chip::System::Clock::Timeout aTimeout); | ||
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System::Clock::Timeout GetSamplingInterval() { return mTimeout; } | ||
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private: | ||
InsightsSystemMetrics() {} | ||
static constexpr int kMaxStringLength = 16; | ||
bool mRegistered = false; | ||
static constexpr char kPath[] = "sys.mtr"; | ||
static constexpr char kTag[] = "MTR"; | ||
System::Clock::Timeout mTimeout; | ||
char * mLabels[chip::System::Stats::kNumEntries]; | ||
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static void SamplingIntervalHandler(System::Layer * systemLayer, void * context); | ||
static void CancelSamplingInterval(intptr_t arg); | ||
}; | ||
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} // namespace Stats | ||
} // namespace System | ||
} // namespace chip |