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Tweaks that reduce overhead and show prefetch occuring where expected

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This commit is contained in:
Guillume DIDIER 2021-07-21 10:21:06 +02:00
parent 19b07d1b1f
commit 3f0f12d118
1 changed files with 7 additions and 3 deletions
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10
prefetcher_reverse/src/lib.rs
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@ -1,11 +1,12 @@
#![deny(unsafe_op_in_unsafe_fn)] #![deny(unsafe_op_in_unsafe_fn)]
use crate::Probe::{Flush, FullFlush, Load}; use crate::Probe::{Flush, FullFlush, Load};
use basic_timing_cache_channel::{TopologyAwareError, TopologyAwareTimingChannel}; use basic_timing_cache_channel::{TopologyAwareError, TopologyAwareTimingChannel};
use cache_side_channel::CacheStatus::Hit; use cache_side_channel::CacheStatus::{Hit, Miss};
use cache_side_channel::{ use cache_side_channel::{
set_affinity, CacheStatus, CoreSpec, MultipleAddrCacheSideChannel, SingleAddrCacheSideChannel, set_affinity, CacheStatus, ChannelHandle, CoreSpec, MultipleAddrCacheSideChannel,
SingleAddrCacheSideChannel,
}; };
use cache_utils::calibration::{Threshold, PAGE_LEN}; use cache_utils::calibration::{only_reload, Threshold, PAGE_LEN};
use cache_utils::mmap::MMappedMemory; use cache_utils::mmap::MMappedMemory;
use flush_flush::{FFHandle, FFPrimitives, FlushAndFlush}; use flush_flush::{FFHandle, FFPrimitives, FlushAndFlush};
use flush_reload::naive::{NFRHandle, NaiveFlushAndReload}; use flush_reload::naive::{NFRHandle, NaiveFlushAndReload};
@ -234,6 +235,9 @@ impl Prober {
for (i, offset) in pattern.pattern.iter().enumerate() { for (i, offset) in pattern.pattern.iter().enumerate() {
let h = &mut self.fr_handles[page_index][*offset]; let h = &mut self.fr_handles[page_index][*offset];
pattern_res[i] = unsafe { self.fr_channel.test_single(h, false) }.unwrap() pattern_res[i] = unsafe { self.fr_channel.test_single(h, false) }.unwrap()
//pattern_res[i] = unsafe { self.fr_channel.test_single(h, false) }.unwrap()
//pattern_res[i] = Miss;
//unsafe { only_reload(h.to_const_u8_pointer()) };
} }
let mut probe_out = match pattern.probe { let mut probe_out = match pattern.probe {