On Fri, Aug 11, 2017 at 04:26:19PM -0700, Andi Kleen wrote: > From: Andi Kleen <[email protected]> > > perf stat -e cpu/uops_executed.core,cmask=1/ > > would be detected as a BPF source event because the .c matches the .c > source BPF pattern. > > v2: > > Originally I tried to use lex lookahead, but it doesn't seem to work. > > This now extends the BPF pattern to match longer events, but then > does an extra check in the C code to reject BPF matches that > do not end with .c/.o/.obj > > This uses REJECT, which makes the flex scanner slower, but > that shouldn't be a big problem for the perf events. > > Signed-off-by: Andi Kleen <[email protected]>
seems ok, Arnaldo, could you run it with BPF/clang test machinery? ;-) thanks, jirka
