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// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use to_str::ToStr;
pub struct SchedMetrics {
// The number of times executing `run_sched_once`.
turns: uint,
// The number of turns that received a message.
messages_received: uint,
// The number of turns that ran a task from the queue.
tasks_resumed_from_queue: uint,
// The number of turns that found no work to perform.
wasted_turns: uint,
// The number of times the scheduler went to sleep.
sleepy_times: uint,
// Context switches from the scheduler into a task.
context_switches_sched_to_task: uint,
// Context switches from a task into the scheduler.
context_switches_task_to_sched: uint,
// Context switches from a task to a task.
context_switches_task_to_task: uint,
// Message sends that unblock the receiver
rendezvous_sends: uint,
// Message sends that do not unblock the receiver
non_rendezvous_sends: uint,
// Message receives that do not block the receiver
rendezvous_recvs: uint,
// Message receives that block the receiver
non_rendezvous_recvs: uint,
// JoinLatch releases that create tombstones
release_tombstone: uint,
// JoinLatch releases that do not create tombstones
release_no_tombstone: uint,
}
impl SchedMetrics {
pub fn new() -> SchedMetrics {
SchedMetrics {
turns: 0,
messages_received: 0,
tasks_resumed_from_queue: 0,
wasted_turns: 0,
sleepy_times: 0,
context_switches_sched_to_task: 0,
context_switches_task_to_sched: 0,
context_switches_task_to_task: 0,
rendezvous_sends: 0,
non_rendezvous_sends: 0,
rendezvous_recvs: 0,
non_rendezvous_recvs: 0,
release_tombstone: 0,
release_no_tombstone: 0
}
}
}
impl ToStr for SchedMetrics {
fn to_str(&self) -> ~str {
fmt!("turns: %u\n\
messages_received: %u\n\
tasks_resumed_from_queue: %u\n\
wasted_turns: %u\n\
sleepy_times: %u\n\
context_switches_sched_to_task: %u\n\
context_switches_task_to_sched: %u\n\
context_switches_task_to_task: %u\n\
rendezvous_sends: %u\n\
non_rendezvous_sends: %u\n\
rendezvous_recvs: %u\n\
non_rendezvous_recvs: %u\n\
release_tombstone: %u\n\
release_no_tombstone: %u\n\
",
self.turns,
self.messages_received,
self.tasks_resumed_from_queue,
self.wasted_turns,
self.sleepy_times,
self.context_switches_sched_to_task,
self.context_switches_task_to_sched,
self.context_switches_task_to_task,
self.rendezvous_sends,
self.non_rendezvous_sends,
self.rendezvous_recvs,
self.non_rendezvous_recvs,
self.release_tombstone,
self.release_no_tombstone
)
}
}
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