ai-agent: expose proc event start time

Author: kylewanginchina

agent/src/common/proc_event/linux.rs

@@ -451,6 +451,10 @@ impl ProcEvent {
         Ok(BoxedProcEvents(Box::new(proc_event)))
     }
 
+    pub fn start_time(&self) -> u64 {
+        self.start_time
+    }
+
     pub fn proc_lifecycle_info(&self) -> Option<ProcLifecycleInfo> {
         match &self.event_data {
             EventData::ProcLifecycleEvent(data) => Some(ProcLifecycleInfo {

agent/src/ebpf_dispatcher.rs

@@ -61,7 +61,9 @@ use crate::common::l7_protocol_log::{
     get_all_protocol, L7ProtocolBitmap, L7ProtocolParserInterface,
 };
 use crate::common::meta_packet::{MetaPacket, SegmentFlags};
-use crate::common::proc_event::{BoxedProcEvents, EventType, ProcEvent, PROC_LIFECYCLE_FORK};
+use crate::common::proc_event::{BoxedProcEvents, EventType, ProcEvent};
+#[cfg(feature = "enterprise")]
+use crate::common::proc_event::PROC_LIFECYCLE_FORK;
 use crate::common::{FlowAclListener, FlowAclListenerId};
 use crate::config::handler::{CollectorAccess, EbpfAccess, EbpfConfig, LogParserAccess};
 use crate::config::FlowAccess;
@@ -125,7 +127,7 @@ fn register_ai_agent_child(event: &BoxedProcEvents) {
             return;
         }
         if let Some(registry) = enterprise_utils::ai_agent::global_registry() {
-            let now = Duration::from_nanos(event.0.start_time);
+            let now = Duration::from_nanos(event.0.start_time());
             registry.register_child(info.parent_pid, info.pid, now);
         }
     }