> In fact, I expected that for each entry into the PEBS a handler > would be executed, but Intel documentations points that to use PEBS > the tool (here perf) needs to allocate space for multiple PEBS > entries, so the when the handler is invoked there may be multiple > entries in the buffer, which makes things a little more obscure.
perf always uses threshold 1 for the PEBS buffer. But yes there is some delay until the handler executes, and the time stamp is only computed in the handler. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html