diff --git a/proto/psh.proto b/proto/psh.proto
index 4e3a591..a86f997 100644
--- a/proto/psh.proto
+++ b/proto/psh.proto
@@ -47,10 +47,33 @@ message SendHostInfoReq {
 
 message Task {
   string id = 1;
-  bytes wasm = 2;
-  repeated string wasm_args = 3;
   // Number of non-leap-milliseconds since Jan 1, 1970 UTC.
-  uint64 end_time = 4;
+  uint64 end_time = 2;
+
+  oneof task_type {
+    WasmTask wasm = 3;
+    ProfilingTask profiling = 4;
+  }
+
+  message WasmTask {
+    bytes wasm = 1;
+    repeated string wasm_args = 2;
+  }
+
+  message ProfilingTask {
+    oneof process {
+      Unit any = 1;
+      Unit current = 2;
+      uint32 pid = 3;
+    }
+
+    uint64 mmap_pages = 4;
+    optional uint32 stack_depth = 5;
+    oneof overflow_by {
+      uint64 period = 6;
+      uint64 freq = 7;
+    }
+  }
 }
 
 message ExportDataReq {
@@ -61,6 +84,7 @@ message ExportDataReq {
       FileData file = 1;
       LineProtocolData line_protocol = 2;
       PerfDataProto perf_data = 3;
+      ElfFile elf_file = 4;
     }
   }
 
@@ -74,3 +98,10 @@ message FileData {
 message LineProtocolData {
   bytes bytes = 1;
 }
+
+message ElfFile {
+  string filename = 1;
+  bytes build_id = 2;
+  string arch = 3; // use for disasm
+  bytes bytes = 4;
+}
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index a7fdc9d..37002d0 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -9,6 +9,25 @@ use self::perf_data_proto::{
 
 tonic::include_proto!("psh.proto.instance");
 
+impl From<crate::task::profiling_task::Process> for perf_event_rs::config::Process {
+    fn from(value: crate::task::profiling_task::Process) -> Self {
+        match value {
+            task::profiling_task::Process::Any(_) => Self::Any,
+            task::profiling_task::Process::Current(_) => Self::Current,
+            task::profiling_task::Process::Pid(pid) => Self::Pid(pid),
+        }
+    }
+}
+
+impl From<crate::task::profiling_task::OverflowBy> for perf_event_rs::sampling::OverflowBy {
+    fn from(value: crate::task::profiling_task::OverflowBy) -> Self {
+        match value {
+            task::profiling_task::OverflowBy::Period(p) => Self::Period(p),
+            task::profiling_task::OverflowBy::Freq(f) => Self::Freq(f),
+        }
+    }
+}
+
 impl From<std::net::Ipv6Addr> for Ipv6Addr {
     fn from(value: std::net::Ipv6Addr) -> Self {
         let ip = value.to_bits().to_be();