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SubjectRe: [RFC] [PATCH 0/5] Teach perf tool to profile sleep times (V4)
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On Mon, 2012-06-04 at 14:40 +0200, Peter Zijlstra wrote:
> + if (task) {
> + struct perf_event_context *ctx;
> +
> + rcu_read_lock();
> + ctx = rcu_dereference(task->perf_event_ctxp[perf_sw_context]);
> + list_for_each_entry_rcu(event, &ctx->event_list, event_entry) {

Ah, this needs a little something like the below:

if (!(event->attr.type == PERF_TYPE_TRACEPOINT &&
event->attr.config == $something))
continue;
Not exactly sure where we hid the tracepoint_id at this point..


> + if (perf_tp_event_match(event, &data, regs))
> + perf_swevent_event(event, count, &data, regs);
> + }
> + rcu_read_unlock();
> + }


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