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Add test programs for frequency / cache component on post-sleep timing differences

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GuillaumeDIDIER 2020-05-27 14:03:06 +02:00
parent f06e60b9c1
commit d102a755ce
2 changed files with 116 additions and 0 deletions
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58
cache_utils/src/bin/sleep_freq_test_flush_only.rs Normal file
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use cache_utils::calibration::only_flush;
use cache_utils::frequency::get_freq_cpufreq_kernel;
use cache_utils::rdtsc_fence;
use static_assertions::_core::time::Duration;
use std::thread::sleep;
const SAMPLE_BETWEEN_SLEEP: usize = 100;
const NUM_ITERATION: usize = 10;
fn main() {
let SLEEP_TIME: Duration = Duration::new(1, 0);
let p = Box::new(42u8);
let pointer = p.as_ref() as *const u8;
// preheat
for i in 0..SAMPLE_BETWEEN_SLEEP {
unsafe { only_flush(pointer) };
}
let mut results = vec![(0u64, 0u64); SAMPLE_BETWEEN_SLEEP * NUM_ITERATION];
let mut frequency_info: Vec<(u64, u64)> = vec![(0, 0); NUM_ITERATION];
println!("CSV:Freq_Sample,Iteration,Sample,time,duration");
println!("FREQ:Freq_Sample,Iteration,time,freq");
for frequency_sample in 0..SAMPLE_BETWEEN_SLEEP {
for i in 0..NUM_ITERATION {
sleep(SLEEP_TIME);
for j in 0..SAMPLE_BETWEEN_SLEEP {
if j == frequency_sample {
let t = unsafe { rdtsc_fence() };
let f = get_freq_cpufreq_kernel();
frequency_info[i] = (t, f.ok().unwrap());
}
let t = unsafe { rdtsc_fence() };
let d = unsafe { only_flush(pointer) };
results[i * SAMPLE_BETWEEN_SLEEP + j] = (t, d);
}
}
for i in 0..NUM_ITERATION {
for j in 0..SAMPLE_BETWEEN_SLEEP {
if j == frequency_sample {
println!(
"FREQ:{},{},{},{}",
frequency_sample, i, frequency_info[i].0, frequency_info[i].1
);
}
println!(
"CSV:{},{},{},{},{}",
frequency_sample,
i,
j,
results[i * SAMPLE_BETWEEN_SLEEP + j].0,
results[i * SAMPLE_BETWEEN_SLEEP + j].1
);
}
}
}
}

58
cache_utils/src/bin/sleep_freq_test_reload_only.rs Normal file
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use cache_utils::calibration::only_reload;
use cache_utils::frequency::get_freq_cpufreq_kernel;
use cache_utils::rdtsc_fence;
use static_assertions::_core::time::Duration;
use std::thread::sleep;
const SAMPLE_BETWEEN_SLEEP: usize = 100;
const NUM_ITERATION: usize = 10;
fn main() {
let SLEEP_TIME: Duration = Duration::new(1, 0);
let p = Box::new(42u8);
let pointer = p.as_ref() as *const u8;
// preheat
for i in 0..SAMPLE_BETWEEN_SLEEP {
unsafe { only_reload(pointer) };
}
let mut results = vec![(0u64, 0u64); SAMPLE_BETWEEN_SLEEP * NUM_ITERATION];
let mut frequency_info: Vec<(u64, u64)> = vec![(0, 0); NUM_ITERATION];
println!("CSV:Freq_Sample,Iteration,Sample,time,duration");
println!("FREQ:Freq_Sample,Iteration,time,freq");
for frequency_sample in 0..SAMPLE_BETWEEN_SLEEP {
for i in 0..NUM_ITERATION {
sleep(SLEEP_TIME);
for j in 0..SAMPLE_BETWEEN_SLEEP {
if j == frequency_sample {
let t = unsafe { rdtsc_fence() };
let f = get_freq_cpufreq_kernel();
frequency_info[i] = (t, f.ok().unwrap());
}
let t = unsafe { rdtsc_fence() };
let d = unsafe { only_reload(pointer) };
results[i * SAMPLE_BETWEEN_SLEEP + j] = (t, d);
}
}
for i in 0..NUM_ITERATION {
for j in 0..SAMPLE_BETWEEN_SLEEP {
if j == frequency_sample {
println!(
"FREQ:{},{},{},{}",
frequency_sample, i, frequency_info[i].0, frequency_info[i].1
);
}
println!(
"CSV:{},{},{},{},{}",
frequency_sample,
i,
j,
results[i * SAMPLE_BETWEEN_SLEEP + j].0,
results[i * SAMPLE_BETWEEN_SLEEP + j].1
);
}
}
}
}