On Wed, 2012-07-11 at 18:14 +0400, Andrew Vagin wrote:
> @@ -5226,6 +5227,29 @@ void perf_tp_event(u64 addr, u64 count, void *record,
> int entry_size,
> perf_swevent_event(event, count, &data, regs);
> }
>
> + /*
> + * If we got specified a target task, also iterate its context and
> + * deliver this event there too.
> + */
> + if (task && task != current) {
> + struct perf_event_context *ctx;
> + struct trace_entry *entry = record;
> +
> + rcu_read_lock();
> + ctx = rcu_dereference(task->perf_event_ctxp[perf_sw_context]);
> + if (!ctx)
> + goto unlock;
> +
> + list_for_each_entry_rcu(event, &ctx->event_list, event_entry)
> {
I added:
if (event->attr.type != PERF_TYPE_TRACEPOINT)
continue;
> + if (entry->type != event->attr.config)
> + continue;
> + if (perf_tp_event_match(event, &data, regs))
> + perf_swevent_event(event, count, &data, regs);
> + }
> +unlock:
> + rcu_read_unlock();
> + }
> +
> perf_swevent_put_recursion_context(rctx);
> }
Otherwise I've applied the patch.. Thanks!
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