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validator: Add experimental flag to select PoH pinned core

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This commit is contained in:
Trent Nelson
2020-12-29 12:09:47 -07:00
committed by Trent Nelson
parent 82f61c0c4a
commit fe667db910
6 changed files with 39 additions and 5 deletions
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21
validator/src/main.rs
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@ -5,7 +5,7 @@ use clap::{
use log::*;
use rand::{seq::SliceRandom, thread_rng, Rng};
use solana_clap_utils::{
input_parsers::{keypair_of, keypairs_of, pubkey_of},
input_parsers::{keypair_of, keypairs_of, pubkey_of, value_of},
input_validators::{
is_keypair_or_ask_keyword, is_parsable, is_pubkey, is_pubkey_or_keypair, is_slot,
},
@ -19,6 +19,7 @@ use solana_core::{
cluster_info::{ClusterInfo, Node, MINIMUM_VALIDATOR_PORT_RANGE_WIDTH, VALIDATOR_PORT_RANGE},
contact_info::ContactInfo,
gossip_service::GossipService,
poh_service,
rpc::JsonRpcConfig,
rpc_pubsub_service::PubSubConfig,
validator::{is_snapshot_config_invalid, Validator, ValidatorConfig},
@ -1395,6 +1396,22 @@ pub fn main() {
.takes_value(false)
.help("Use the just-in-time compiler instead of the interpreter for BPF."),
)
.arg(
Arg::with_name("poh_pinned_cpu_core")
.hidden(true)
.long("experimental-poh-pinned-cpu-core")
.takes_value(true)
.value_name("CPU_CORE_INDEX")
.validator(|s| {
let core_index = usize::from_str(&s).map_err(|e| e.to_string())?;
let max_index = core_affinity::get_core_ids().map(|cids| cids.len() - 1).unwrap_or(0);
if core_index > max_index {
return Err(format!("core index must be in the range [0, {}]", max_index));
}
Ok(())
})
.help("EXPERIMENTAL: Specify which CPU core PoH is pinned to")
)
.get_matches();
let identity_keypair = Arc::new(keypair_of(&matches, "identity").unwrap_or_else(Keypair::new));
@ -1550,6 +1567,8 @@ pub fn main() {
u64
),
no_poh_speed_test: matches.is_present("no_poh_speed_test"),
poh_pinned_cpu_core: value_of(&matches, "poh_pinned_cpu_core")
.unwrap_or(poh_service::DEFAULT_PINNED_CPU_CORE),
..ValidatorConfig::default()
};