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vmm: acpi: Report time to generate ACPI tables

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Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-11-05 09:37:05 +00:00
parent b4f3e1c2a1
commit d0c3342c97
1 changed files with 6 additions and 0 deletions
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6
vmm/src/acpi.rs
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@ -19,6 +19,7 @@ use arch::NumaNodes;
use bitflags::bitflags;
use pci::PciBdf;
use std::sync::{Arc, Mutex};
use std::time::Instant;
use vm_memory::{Address, ByteValued, Bytes, GuestAddress, GuestMemoryRegion};
/* Values for Type in APIC sub-headers */
@ -483,6 +484,7 @@ pub fn create_acpi_tables(
memory_manager: &Arc<Mutex<MemoryManager>>,
numa_nodes: &NumaNodes,
) -> GuestAddress {
let start_time = Instant::now();
let mut prev_tbl_len: u64;
let mut prev_tbl_off: GuestAddress;
let rsdp_offset = arch::layout::RSDP_POINTER;
@ -649,5 +651,9 @@ pub fn create_acpi_tables(
.write_slice(rsdp.as_slice(), rsdp_offset)
.expect("Error writing RSDP");
info!(
"Generated ACPI tables: took {}µs",
Instant::now().duration_since(start_time).as_micros()
);
rsdp_offset
}