litmus-rt.git - The LITMUS^RT kernel.

The LITMUS^RT kernel.

Bjoern Brandenburg

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path: root/tools/perf/scripts/python/syscall-counts.py

	Commit message (Expand)	Author	Age
*	perf script: Add callchain to generic and tracepoint events	Joseph Schuchart	2014-07-16
*	perf scripts: Fallback to syscalls:* when raw_syscalls:* is not available	Daniel Bristot de Oliveira	2014-06-25
*	perf script: Finish the rename from trace to script	Arnaldo Carvalho de Melo	2010-12-25
*	perf python scripting: Improve the syscalls-counts script	Arnaldo Carvalho de Melo	2010-10-25
*	perf/scripts: Add syscall tracing scripts	Tom Zanussi	2010-02-24

s="hl opt">*v) { unsigned long addr = (unsigned long) v; addr >>= L1_CACHE_SHIFT; addr ^= (addr >> 8) ^ (addr >> 16); return &atomic64_lock[addr & (NR_LOCKS - 1)].lock; } long long atomic64_read(const atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_read); void atomic64_set(atomic64_t *v, long long i) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); raw_spin_lock_irqsave(lock, flags); v->counter = i; raw_spin_unlock_irqrestore(lock, flags); } EXPORT_SYMBOL(atomic64_set); void atomic64_add(long long a, atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); raw_spin_lock_irqsave(lock, flags); v->counter += a; raw_spin_unlock_irqrestore(lock, flags); } EXPORT_SYMBOL(atomic64_add); long long atomic64_add_return(long long a, atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter += a; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_add_return); void atomic64_sub(long long a, atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); raw_spin_lock_irqsave(lock, flags); v->counter -= a; raw_spin_unlock_irqrestore(lock, flags); } EXPORT_SYMBOL(atomic64_sub); long long atomic64_sub_return(long long a, atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter -= a; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_sub_return); long long atomic64_dec_if_positive(atomic64_t *v) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter - 1; if (val >= 0) v->counter = val; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_dec_if_positive); long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter; if (val == o) v->counter = n; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_cmpxchg); long long atomic64_xchg(atomic64_t *v, long long new) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); long long val; raw_spin_lock_irqsave(lock, flags); val = v->counter; v->counter = new; raw_spin_unlock_irqrestore(lock, flags); return val; } EXPORT_SYMBOL(atomic64_xchg); int atomic64_add_unless(atomic64_t *v, long long a, long long u) { unsigned long flags; raw_spinlock_t *lock = lock_addr(v); int ret = 0; raw_spin_lock_irqsave(lock, flags); if (v->counter != u) { v->counter += a; ret = 1; } raw_spin_unlock_irqrestore(lock, flags); return ret; } EXPORT_SYMBOL(atomic64_add_unless);