l3-ENSL/dendrobates-t-azureus
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix issues in the monitoring logic

Browse Source
This commit is contained in:
Guillaume DIDIER 2024-06-24 17:37:14 +02:00
parent f6494a82b2
commit 88775ea015
2 changed files with 8 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
cache_slice/src/bin/scan.rs
View File

@ -8,7 +8,7 @@ pub fn main() {
let nb_cores = core_per_package(); let nb_cores = core_per_package();
println!("Found {} cores", nb_cores); println!("Found {} cores", nb_cores);
let target = vec![0x0123456789abcdefu64, 64]; let target = vec![0x0123456789abcdefu64; 64];
let old = sched_getaffinity(Pid::from_raw(0)).unwrap(); let old = sched_getaffinity(Pid::from_raw(0)).unwrap();
let mut core_set = Vec::new(); let mut core_set = Vec::new();

10
cache_slice/src/lib.rs
View File

@ -49,7 +49,7 @@ unsafe fn monitor_xeon(addr: *const u8, cpu: u8, max_cbox: usize) -> Result<Vec<
// Reset counters // Reset counters
for i in 0..max_cbox { for i in 0..max_cbox {
write_msr_on_cpu(performance_counters.msr_pmon_ctl0[i], cpu, performance_counters.val_box_reset)?; write_msr_on_cpu(performance_counters.msr_pmon_box_ctl[i], cpu, performance_counters.val_box_reset)?;
} }
// Enable counting // Enable counting
@ -72,14 +72,18 @@ unsafe fn monitor_xeon(addr: *const u8, cpu: u8, max_cbox: usize) -> Result<Vec<
// Freeze counters // Freeze counters
for i in 0..max_cbox { for i in 0..max_cbox {
write_msr_on_cpu(performance_counters.msr_pmon_ctr0[i], cpu, performance_counters.val_box_freeze)?; write_msr_on_cpu(performance_counters.msr_pmon_box_ctl[i], cpu, performance_counters.val_box_freeze)?;
} }
// Read counters // Read counters
let mut results = Vec::new(); let mut results = Vec::new();
for i in 0..max_cbox { for i in 0..max_cbox {
let result = read_msr_on_cpu(performance_counters.msr_pmon_ctr0[i], cpu)?; let result = read_msr_on_cpu(performance_counters.msr_pmon_ctr0[i], cpu)?;
results.push(result) if (result - NUM_POKE as u64) < 0 {
results.push(0);
} else {
results.push(result - NUM_POKE as u64);
}
} }
Ok(results) Ok(results)