Module: Corkscrews::Delay

Defined in:

ext/corkscrews/delay.c

Class Method Summary

• .available? ⇒ Boolean
• .clear_experiment ⇒ Object
• .debt_current ⇒ Object
• .request_settle ⇒ Object
• .set_experiment(kind, iseq, line, speedup) ⇒ Object
• .set_sample_period(period_ns) ⇒ Object
• .settle_current ⇒ Object
• .settled_now ⇒ Object
• .stamp_inherit(object) ⇒ Object
• .stamp_write(object) ⇒ Object

Class Method Details

.available? ⇒ Boolean

Returns:

• (Boolean)

# File 'ext/corkscrews/delay.c', line 154

static VALUE
delay_available_p(VALUE self)
{
    (void)self;
    return Qtrue;
}

.clear_experiment ⇒ Object

# File 'ext/corkscrews/delay.c', line 177

static VALUE
delay_clear_experiment(VALUE self)
{
    (void)self;
    cs_delay_clear_experiment();
    return Qnil;
}

.debt_current ⇒ Object

# File 'ext/corkscrews/delay.c', line 200

static VALUE
delay_debt_current(VALUE self)
{
    (void)self;
    uint64_t global = atomic_load(&cs_global.global_delay_ns);
    uint64_t settled = cs_settled_now_for_current_thread();
    return ULL2NUM(global > settled ? global - settled : 0);
}

.request_settle ⇒ Object

# File 'ext/corkscrews/delay.c', line 192

static VALUE
delay_request_settle(VALUE self)
{
    (void)self;
    cs_delay_request_settle();
    return Qnil;
}

.set_experiment(kind, iseq, line, speedup) ⇒ Object

# File 'ext/corkscrews/delay.c', line 161

static VALUE
delay_set_experiment(VALUE self, VALUE kind, VALUE iseq, VALUE line, VALUE speedup)
{
    (void)self;
    cs_delay_set_experiment(NUM2UINT(kind), (uintptr_t)NUM2ULL(iseq), NUM2UINT(line), NUM2UINT(speedup));
    return Qnil;
}

.set_sample_period(period_ns) ⇒ Object

# File 'ext/corkscrews/delay.c', line 169

static VALUE
delay_set_sample_period(VALUE self, VALUE period_ns)
{
    (void)self;
    atomic_store(&cs_global.sample_period_ns, NUM2ULL(period_ns));
    return Qnil;
}

.settle_current ⇒ Object

# File 'ext/corkscrews/delay.c', line 185

static VALUE
delay_settle_current(VALUE self)
{
    (void)self;
    return ULL2NUM(cs_delay_settle_current());
}

.settled_now ⇒ Object

# File 'ext/corkscrews/delay.c', line 209

static VALUE
delay_settled_now(VALUE self)
{
    (void)self;
    return ULL2NUM(cs_settled_now_for_current_thread());
}

.stamp_inherit(object) ⇒ Object

# File 'ext/corkscrews/delay.c', line 224

static VALUE
delay_stamp_inherit(VALUE self, VALUE object)
{
    (void)self;
    cs_stamp_inherit(object);
    return Qnil;
}

.stamp_write(object) ⇒ Object

# File 'ext/corkscrews/delay.c', line 216

static VALUE
delay_stamp_write(VALUE self, VALUE object)
{
    (void)self;
    cs_stamp_write(object);
    return Qnil;
}