On Tue, 5 Sep 2017 16:57:40 -0500 Tom Zanussi <tom.zanu...@linux.intel.com> wrote:
> Users should be able to directly specify event fields in hist trigger > 'actions' rather than being forced to explicitly create a variable for > that purpose. > > Add support allowing fields to be used directly in actions, which > essentially does just that - creates 'invisible' variables for each > bare field specified in an action. If a bare field refers to a field > on another (matching) event, it even creates a special histogram for > the purpose (since variables can't be defined on an existing histogram > after histogram creation). Can you show some examples here to describe what you mean better? -- Steve > > Signed-off-by: Tom Zanussi <tom.zanu...@linux.intel.com> > --- > kernel/trace/trace_events_hist.c | 452 > ++++++++++++++++++++++++++++++++++++++- > 1 file changed, 451 insertions(+), 1 deletion(-) > >
