JakeHillion/scx-upstream
1
0
Fork 0
mirror of https://github.com/sched-ext/scx.git synced 2024-11-25 04:00:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #534 from sched-ext/htejun/misc

Browse Source 
scx_layered: Drop SCX_OPS_ENQ_LAST
This commit is contained in:
Tejun Heo 2024-08-21 19:57:54 -10:00 committed by GitHub
commit 8c35a1976f
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 1 additions and 15 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
scheds/rust/scx_layered/src/bpf/intf.h
View File

@ -53,7 +53,6 @@ enum layer_stat_idx {
LSTAT_SEL_LOCAL,
LSTAT_ENQ_WAKEUP,
LSTAT_ENQ_EXPIRE,
LSTAT_ENQ_LAST,
LSTAT_ENQ_REENQ,
LSTAT_MIN_EXEC,
LSTAT_MIN_EXEC_NS,

7
scheds/rust/scx_layered/src/bpf/main.bpf.c
View File

@ -667,12 +667,6 @@ void BPF_STRUCT_OPS(layered_enqueue, struct task_struct *p, u64 enq_flags)
if (enq_flags & SCX_ENQ_REENQ) {
lstat_inc(LSTAT_ENQ_REENQ, layer, cctx);
} else {
if (enq_flags & SCX_ENQ_LAST) {
lstat_inc(LSTAT_ENQ_LAST, layer, cctx);
scx_bpf_dispatch(p, SCX_DSQ_LOCAL, slice_ns, 0);
return;
}
if (enq_flags & SCX_ENQ_WAKEUP)
lstat_inc(LSTAT_ENQ_WAKEUP, layer, cctx);
else
@ -1698,5 +1692,4 @@ SCX_OPS_DEFINE(layered,
.dump = (void *)layered_dump,
.init = (void *)layered_init,
.exit = (void *)layered_exit,
.flags = SCX_OPS_ENQ_LAST,
.name = "layered");

8
scheds/rust/scx_layered/src/stats.rs
View File

@ -70,8 +70,6 @@ pub struct LayerStats {
pub enq_wakeup: f64,
#[stat(desc = "layer: % enqueued after slice expiration")]
pub enq_expire: f64,
#[stat(desc = "layer: % enqueued as last runnable task on CPU")]
pub enq_last: f64,
#[stat(desc = "layer: % re-enqueued due to RT preemption")]
pub enq_reenq: f64,
#[stat(desc = "layer: # times exec duration < min_exec_us")]
@ -148,7 +146,6 @@ impl LayerStats {
let ltotal = lstat(bpf_intf::layer_stat_idx_LSTAT_SEL_LOCAL)
+ lstat(bpf_intf::layer_stat_idx_LSTAT_ENQ_WAKEUP)
+ lstat(bpf_intf::layer_stat_idx_LSTAT_ENQ_EXPIRE)
+ lstat(bpf_intf::layer_stat_idx_LSTAT_ENQ_LAST)
+ lstat(bpf_intf::layer_stat_idx_LSTAT_ENQ_REENQ);
let lstat_pct = |sidx| {
if ltotal != 0 {
@ -181,7 +178,6 @@ impl LayerStats {
sel_local: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_SEL_LOCAL),
enq_wakeup: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_ENQ_WAKEUP),
enq_expire: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_ENQ_EXPIRE),
enq_last: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_ENQ_LAST),
enq_reenq: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_ENQ_REENQ),
min_exec: lstat_pct(bpf_intf::layer_stat_idx_LSTAT_MIN_EXEC),
min_exec_us: (lstat(bpf_intf::layer_stat_idx_LSTAT_MIN_EXEC_NS) / 1000) as u64,
@ -223,13 +219,12 @@ impl LayerStats {
writeln!(
w,
" {:<width$} tot={:7} local={} wake/exp/last/reenq={}/{}/{}/{}",
" {:<width$} tot={:7} local={} wake/exp/reenq={}/{}/{}",
"",
self.total,
fmt_pct(self.sel_local),
fmt_pct(self.enq_wakeup),
fmt_pct(self.enq_expire),
fmt_pct(self.enq_last),
fmt_pct(self.enq_reenq),
width = header_width,
)?;
@ -350,7 +345,6 @@ impl SysStats {
let total = lsum(bpf_intf::layer_stat_idx_LSTAT_SEL_LOCAL)
+ lsum(bpf_intf::layer_stat_idx_LSTAT_ENQ_WAKEUP)
+ lsum(bpf_intf::layer_stat_idx_LSTAT_ENQ_EXPIRE)
+ lsum(bpf_intf::layer_stat_idx_LSTAT_ENQ_LAST)
+ lsum(bpf_intf::layer_stat_idx_LSTAT_ENQ_REENQ);
let lsum_pct = |idx| {
if total != 0 {