Sync computers

justfile

@@ -13,6 +13,7 @@ sync_filesystem:
 
 build_user_prog prog:
     RUSTFLAGS="-C relocation-model=pic -C link-arg=-Tuser.ld -C link-arg=-pie" cargo b {{ cargo_flags }} --package {{ prog }}
+    riscv64-elf-strip {{ bin_path / prog }}
     cp {{ bin_path / prog }} {{ "mnt/usr/bin" / prog }}
     # riscv64-elf-objcopy -O binary {{ bin_path / prog }} {{ "mnt/usr/bin" / prog }}
 
@@ -30,6 +31,11 @@ map_dir dir recipe:
 
 qemu := "qemu-system-riscv64 -machine virt -device bochs-display -bios none -m 512M -device loader,file=disk.img,addr=0x90000000"
 
+perf: build
+    {{ qemu }} -perfmap -kernel {{ bin_path / "kernel-rust" }}&
+    perf record --output=/tmp/perf.data --call-graph=dwarf -F 999 -p $(pidof qemu-system-riscv64) -- sleep 20; exit 0
+    cd /tmp && hotspot perf.data
+
 gdb: build
     {{ qemu }} -s -S -kernel {{ bin_path / "kernel-rust" }}&
     gf2