On Wed, Jul 15, 2015 at 06:15:44PM +0900, Masami Hiramatsu wrote: > To improbe usability, support %[PROVIDER:]SDTEVENT format to > add new probes on SDT and cached events.
Ah, you meant we can skip the provider if the event name is unique.. > > e.g. > ---- > # perf probe -x /lib/libc-2.17.so %lll_lock_wait_private Maybe we can also skip the target path (-x) too in this case. Thanks, Namhyung > Added new event: > libc:lll_lock_wait_private (on %lll_lock_wait_private in > /usr/lib/libc-2.17.so) > > You can now use it in all perf tools, such as: > > perf record -e libc:lll_lock_wait_private -aR sleep 1 > > # perf probe -l | more > libc:lll_lock_wait_private (on __lll_lock_wait_private+21 > in /usr/lib/libc-2.17.so) > ---- > > Note that this is not only for SDT events, but also normal > events with event-name. > > e.g. define "myevent" on cache (-n doesn't add the real probe) > ---- > # perf probe -x ./perf --cache -n --add 'myevent=dso__load $params' > ---- > Reuse the "myevent" from cache as below. > ---- > # perf probe -x ./perf %myevent > ---- > > Signed-off-by: Masami Hiramatsu <masami.hiramatsu...@hitachi.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
