commit 5faf0cbb9d900bf83691ce4d46592a1cebcefcef
author Inseob Kim <inseob@google.com> Mon Dec 16 20:10:11 2024 +0900
committer Inseob Kim <inseob@google.com> Tue Dec 17 18:19:13 2024 -0800
tree f90895f88bc1df04b9f11e63c3b7465787b6b0fe
parent e3e932d9ef4a9b2925b435fa47dcf413dbc549ed

Print debug messages from LLNDK to logcat

This helps debug LLNDK issues a lot.

Bug: 384433848
Test: try running a VM and see logcat
Change-Id: I387bbdb6a4487ccf5bbffdae93eab52e7a065895

libs/libavf/src/lib.rs

diff --git a/libs/libavf/src/lib.rs b/libs/libavf/src/lib.rs
index 5b01e9a..9ae2635 100644
--- a/libs/libavf/src/lib.rs
+++ b/libs/libavf/src/lib.rs
@@ -31,6 +31,7 @@
 };
 use avf_bindgen::AVirtualMachineStopReason;
 use libc::timespec;
+use log::error;
 use vmclient::{DeathReason, VirtualizationService, VmInstance};
 
 /// Create a new virtual machine config object with no properties.
@@ -350,7 +351,10 @@
             }
             0
         }
-        Err(_) => -libc::EIO,
+        Err(e) => {
+            error!("AVirtualMachine_createRaw failed: {e:?}");
+            -libc::EIO
+        }
     }
 }
 
@@ -365,7 +369,10 @@
     let vm = unsafe { &*vm };
     match vm.start() {
         Ok(_) => 0,
-        Err(_) => -libc::EIO,
+        Err(e) => {
+            error!("AVirtualMachine_start failed: {e:?}");
+            -libc::EIO
+        }
     }
 }
 
@@ -380,7 +387,10 @@
     let vm = unsafe { &*vm };
     match vm.stop() {
         Ok(_) => 0,
-        Err(_) => -libc::EIO,
+        Err(e) => {
+            error!("AVirtualMachine_stop failed: {e:?}");
+            -libc::EIO
+        }
     }
 }
 
@@ -395,7 +405,10 @@
     let vm = unsafe { &*vm };
     match vm.connect_vsock(port) {
         Ok(pfd) => pfd.into_raw_fd(),
-        Err(_) => -libc::EIO,
+        Err(e) => {
+            error!("AVirtualMachine_connectVsock failed: {e:?}");
+            -libc::EIO
+        }
     }
 }