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Merge pull request #885 from multics69/ci-fix-v2

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scx_lavd: fix CI error for missing kernel symbols
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Changwoo Min 2024-11-04 09:31:34 +00:00 committed by GitHub
commit 060a1662fa
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2 changed files with 10 additions and 92 deletions
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100
scheds/rust/scx_lavd/src/bpf/lock.bpf.c
View File

@ -12,7 +12,6 @@
#define LAVD_TRACE_SEM
#define LAVD_TRACE_MUTEX
#define LAVD_TRACE_WW_MUTEX
#define LAVD_TRACE_RT_MUTEX
#define LAVD_TRACE_RW_SEM
#define LAVD_TRACE_PERCPU_RW_SEM
#define LAVD_TRACE_FUTEX
@ -181,6 +180,12 @@ int BPF_PROG(fexit_up, struct semaphore *sem)
* - void __sched mutex_lock(struct mutex *lock)
* - int __sched mutex_lock_interruptible(struct mutex *lock)
* - int __sched mutex_lock_killable(struct mutex *lock)
* => They all calls `__mutex_lock()` in the slow path. However, tracing only
* slowpath is not accurate since in the unlock path, there is no way to
* diminish whether a lock is locked in the fast path or slow path. While,
* it is in accurate, let's live with it for now.
* int __sched __mutex_lock(struct mutex *lock, unsigned int state, unsigned int subclass, struct lockdep_map *nest_lock, unsigned long ip)
*
* - int __sched mutex_trylock(struct mutex *lock)
* - void __sched mutex_unlock(struct mutex *lock)
*
@ -191,30 +196,10 @@ int BPF_PROG(fexit_up, struct semaphore *sem)
*/
#ifdef LAVD_TRACE_MUTEX
struct mutex;
SEC("fexit/mutex_lock")
int BPF_PROG(fexit_mutex_lock, struct mutex *mutex)
{
/*
* A mutex is successfully acquired.
*/
inc_lock_boost();
return 0;
}
struct lockdep_map;
SEC("fexit/mutex_lock_interruptible")
int BPF_PROG(fexit_mutex_lock_interruptible, struct mutex *mutex, int ret)
{
if (ret == 0) {
/*
* A mutex is successfully acquired.
*/
inc_lock_boost();
}
return 0;
}
SEC("fexit/mutex_lock_killable")
int BPF_PROG(fexit_mutex_lock_killable, struct mutex *mutex, int ret)
SEC("fexit/__mutex_lock")
int BPF_PROG(fexit__mutex_lock, struct mutex *lock, unsigned int state, unsigned int subclass, struct lockdep_map *nest_lock, unsigned long ip, int ret)
{
if (ret == 0) {
/*
@ -299,73 +284,6 @@ int BPF_PROG(fexit_ww_mutex_unlock, struct ww_mutex *lock)
}
#endif /* LAVD_TRACE_WW_MUTEX */
/**
* RT-mutex in kernel (kernel/locking/rtmutex_api.c)
* - void __sched rt_mutex_lock(struct rt_mutex *lock)
* - int __sched rt_mutex_lock_interruptible(struct rt_mutex *lock)
* - int __sched rt_mutex_lock_killable(struct rt_mutex *lock)
* - int __sched rt_mutex_trylock(struct rt_mutex *lock)
* - void __sched rt_mutex_unlock(struct rt_mutex *lock)
*/
#ifdef LAVD_TRACE_RT_MUTEX
struct rt_mutex;
SEC("fexit/rt_mutex_lock")
int BPF_PROG(fexit_rt_mutex_lock, struct rt_mutex *lock)
{
/*
* An rt_mutex is successfully acquired.
*/
inc_lock_boost();
return 0;
}
SEC("fexit/rt_mutex_lock_interruptible")
int BPF_PROG(fexit_rt_mutex_lock_interruptible, struct rt_mutex *lock, int ret)
{
if (ret == 0) {
/*
* An rt_mutex is successfully acquired.
*/
inc_lock_boost();
}
return 0;
}
SEC("fexit/rt_mutex_lock_killable")
int BPF_PROG(fexit_rt_mutex_lock_killable, struct rt_mutex *lock, int ret)
{
if (ret == 0) {
/*
* An rt_mutex is successfully acquired.
*/
inc_lock_boost();
}
return 0;
}
SEC("fexit/rt_mutex_trylock")
int BPF_PROG(fexit_rt_mutex_trylock, struct rt_mutex *lock, int ret)
{
if (ret == 1) {
/*
* An rt_mutex is successfully acquired.
*/
inc_lock_boost();
}
return 0;
}
SEC("fexit/rt_mutex_unlock")
int BPF_PROG(fexit_rt_mutex_unlock, struct rt_mutex *lock)
{
/*
* An rt_mutex is successfully released.
*/
dec_lock_boost();
return 0;
}
#endif /* LAVD_TRACE_RT_MUTEX */
/**
* Reader-writer semaphore in kernel (kernel/locking/rwsem.c)

2
scheds/rust/scx_lavd/src/main.rs
View File

@ -298,7 +298,7 @@ impl FlatTopology {
// Build a vector of cpu flat ids.
let mut base_freq = 0;
let mut avg_freq = 0;
for (node_pos, node) in topo.nodes().iter().enumerate() {
for (_node_pos, node) in topo.nodes().iter().enumerate() {
for (llc_pos, (_llc_id, llc)) in node.llcs().iter().enumerate() {
for (core_pos, (_core_id, core)) in llc.cores().iter().enumerate() {
for (cpu_pos, (cpu_id, cpu)) in core.cpus().iter().enumerate() {