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check if CI regression is due to missing *mutex_lock* symbols in compiled kernel #877

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check if CI regression is due to missing *mutex_lock* symbols in compiled kernel #877

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08e53ef
turn off lock debugging to see if it fixes CI regression
Nov 1, 2024
24b8e41
test again, this time by changing the trace points to the potential s…
Nov 1, 2024
75af5b5
override more *mutex_lock* symbols
Nov 1, 2024
e6cfc46
Merge branch 'main' into ci
etsal Nov 1, 2024
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12 changes: 6 additions & 6 deletions scheds/rust/scx_lavd/src/bpf/lock.bpf.c
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Original file line number Diff line number Diff line change
Expand Up @@ -191,7 +191,7 @@ int BPF_PROG(fexit_up, struct semaphore *sem)
*/
#ifdef LAVD_TRACE_MUTEX
struct mutex;
SEC("fexit/mutex_lock")
SEC("fexit/mutex_lock_nested")
int BPF_PROG(fexit_mutex_lock, struct mutex *mutex)
{
/*
Expand All @@ -201,7 +201,7 @@ int BPF_PROG(fexit_mutex_lock, struct mutex *mutex)
return 0;
}

SEC("fexit/mutex_lock_interruptible")
SEC("fexit/mutex_lock_interruptible_nested")
int BPF_PROG(fexit_mutex_lock_interruptible, struct mutex *mutex, int ret)
{
if (ret == 0) {
Expand All @@ -213,7 +213,7 @@ int BPF_PROG(fexit_mutex_lock_interruptible, struct mutex *mutex, int ret)
return 0;
}

SEC("fexit/mutex_lock_killable")
SEC("fexit/mutex_lock_killable_nested")
int BPF_PROG(fexit_mutex_lock_killable, struct mutex *mutex, int ret)
{
if (ret == 0) {
Expand Down Expand Up @@ -310,7 +310,7 @@ int BPF_PROG(fexit_ww_mutex_unlock, struct ww_mutex *lock)
#ifdef LAVD_TRACE_RT_MUTEX
struct rt_mutex;

SEC("fexit/rt_mutex_lock")
SEC("fexit/rt_mutex_lock_nested")
int BPF_PROG(fexit_rt_mutex_lock, struct rt_mutex *lock)
{
/*
Expand All @@ -320,7 +320,7 @@ int BPF_PROG(fexit_rt_mutex_lock, struct rt_mutex *lock)
return 0;
}

SEC("fexit/rt_mutex_lock_interruptible")
SEC("fexit/rt_mutex_lock_interruptible_nested")
int BPF_PROG(fexit_rt_mutex_lock_interruptible, struct rt_mutex *lock, int ret)
{
if (ret == 0) {
Expand All @@ -332,7 +332,7 @@ int BPF_PROG(fexit_rt_mutex_lock_interruptible, struct rt_mutex *lock, int ret)
return 0;
}

SEC("fexit/rt_mutex_lock_killable")
SEC("fexit/rt_mutex_lock_killable_nested")
int BPF_PROG(fexit_rt_mutex_lock_killable, struct rt_mutex *lock, int ret)
{
if (ret == 0) {
Expand Down
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