1. push span/metrics自监控指标下移到NetworkObserverManager中

2. timeDiff替换成 KernelTimeNanoToUTC方法
3. 移除Periodical Event，在Timer Event Execute方法中主动PushNextEvent
4. eBPF Driver 中定义错误码
5. 采集配置中移除测试相关的配置
6. span和stringview 目录结构移动到 common 目录下

Author: KayzzzZ

core/CMakeLists.txt

@@ -126,7 +126,7 @@ set(SUB_DIRECTORIES_LIST
         protobuf/sls protobuf/models
         file_server file_server/event file_server/event_handler file_server/event_listener file_server/reader file_server/polling
         prometheus prometheus/labels prometheus/schedulers prometheus/async prometheus/component
-        ebpf ebpf/type/table ebpf/util ebpf/util/sampler ebpf/protocol/http ebpf/protocol ebpf/plugin/file_security ebpf/plugin/network_observer ebpf/plugin/process_security ebpf/plugin/network_security ebpf/plugin ebpf/observer ebpf/security
+        ebpf ebpf/type ebpf/type/table ebpf/util ebpf/util/sampler ebpf/protocol/http ebpf/protocol ebpf/plugin/file_security ebpf/plugin/network_observer ebpf/plugin/process_security ebpf/plugin/network_security ebpf/plugin ebpf/observer ebpf/security
         parser
         host_monitor host_monitor/collector
         )

core/collection_pipeline/batch/BatchItem.h

@@ -23,8 +23,8 @@
 #include "collection_pipeline/batch/BatchStatus.h"
 #include "collection_pipeline/batch/BatchedEvents.h"
 #include "collection_pipeline/batch/FlushStrategy.h"
+#include "common/StringView.h"
 #include "models/PipelineEventGroup.h"
-#include "models/StringView.h"
 
 namespace logtail {
 

core/collection_pipeline/batch/BatchedEvents.h

@@ -19,8 +19,8 @@
 #include <unordered_set>
 #include <vector>
 
+#include "common/StringView.h"
 #include "models/PipelineEventGroup.h"
-#include "models/StringView.h"
 
 namespace logtail {
 

core/common/MachineInfoUtil.h

@@ -23,7 +23,7 @@
 #include "json/value.h"
 
 #include "AppConfig.h"
-#include "models/StringView.h"
+#include "common/StringView.h"
 
 namespace logtail {
 

core/models/Span.h renamed to core/common/Span.h

@@ -27,7 +27,7 @@
 #include <string>
 #include <vector>
 
-#include "models/StringView.h"
+#include "common/StringView.h"
 
 namespace logtail {
 

core/common/StringTools.h

@@ -428,14 +428,12 @@ std::chrono::nanoseconds GetTimeDiffFromMonotonic() {
 #endif
 }
 
-struct timespec KernelNanoTimeToUTC(uint64_t nano) {
-    static std::chrono::nanoseconds diff = GetTimeDiffFromMonotonic();
-    auto ts = std::chrono::nanoseconds(nano + diff.count());
+struct timespec KernelTimeNanoToUTC(uint64_t nano) {
+    static auto diff = GetTimeDiffFromMonotonic().count();
+    auto ts = std::chrono::nanoseconds(nano + diff);
     auto seconds = std::chrono::duration_cast<std::chrono::seconds>(ts);
     auto nanoseconds = std::chrono::duration_cast<std::chrono::nanoseconds>(ts - seconds);
-    struct timespec res;
-    res.tv_sec = seconds.count();
-    res.tv_nsec = nanoseconds.count();
+    struct timespec res = {seconds.count(), nanoseconds.count()};
     return res;
 }
 

core/models/StringView.h renamed to core/common/StringView.h

@@ -101,6 +101,6 @@ long GetTicksPerSecond();
 
 std::chrono::nanoseconds GetTimeDiffFromMonotonic();
 
-struct timespec KernelNanoTimeToUTC(uint64_t nano);
+struct timespec KernelTimeNanoToUTC(uint64_t nano);
 
 } // namespace logtail

core/common/TimeUtil.cpp

@@ -19,7 +19,7 @@
 #include <list>
 #include <memory>
 
-#include "models/StringView.h"
+#include "common/StringView.h"
 
 namespace logtail {