Re: [patch 3/9] LTTng instrumentation tasklets

From: Ingo Molnar
Date: Tue Mar 24 2009 - 13:58:39 EST



* Mathieu Desnoyers <mathieu.desnoyers@xxxxxxxxxx> wrote:

> tasklet entry and exit events.

> +DEFINE_TRACE(irq_tasklet_high_entry);
> +DEFINE_TRACE(irq_tasklet_high_exit);
> +DEFINE_TRACE(irq_tasklet_low_entry);
> +DEFINE_TRACE(irq_tasklet_low_exit);

Dunno - tasklets are a legacy mechanism, not sure we want to
instrument them. That some tasklet activity happens will be obvious
from the softirq tracepoints already.

Anyway ... i guess we could do it if it's done via the more complete
TRACE_EVENT() mechanism in the tracing tree.

Ingo
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