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use {
    crate::{invoke_context::InvokeContext, timings::ExecuteDetailsTimings},
    solana_sdk::{instruction::InstructionError, saturating_add_assign},
};

/// Program executor
pub trait Executor: std::fmt::Debug + Send + Sync {
    /// Execute the program
    fn execute(&self, invoke_context: &mut InvokeContext) -> Result<(), InstructionError>;
}

#[derive(Debug, Default)]
pub struct CreateMetrics {
    pub program_id: String,
    pub register_syscalls_us: u64,
    pub load_elf_us: u64,
    pub verify_code_us: u64,
    pub jit_compile_us: u64,
}

impl CreateMetrics {
    pub fn submit_datapoint(&self, timings: &mut ExecuteDetailsTimings) {
        saturating_add_assign!(
            timings.create_executor_register_syscalls_us,
            self.register_syscalls_us
        );
        saturating_add_assign!(timings.create_executor_load_elf_us, self.load_elf_us);
        saturating_add_assign!(timings.create_executor_verify_code_us, self.verify_code_us);
        saturating_add_assign!(timings.create_executor_jit_compile_us, self.jit_compile_us);
        datapoint_trace!(
            "create_executor_trace",
            ("program_id", self.program_id, String),
            ("register_syscalls_us", self.register_syscalls_us, i64),
            ("load_elf_us", self.load_elf_us, i64),
            ("verify_code_us", self.verify_code_us, i64),
            ("jit_compile_us", self.jit_compile_us, i64),
        );
    }
}