On Fri, Dec 26, 2014 at 7:08 AM, Jiri Olsa <jo...@redhat.com> wrote: > On Wed, Dec 24, 2014 at 04:15:01PM +0900, Namhyung Kim wrote: >> When multi file support is enabled, a dummy tracking event will be >> used to track metadata (like task, comm and mmap events) for a session >> and actual samples will be recorded in separate files. >> >> Provide separate mmap to the dummy tracking event. The size is fixed >> to 128KiB (+ 1 page) as the event rate will be lower than samples. I >> originally wanted to use a single mmap for this but cross-cpu sharing >> is prohibited so it's per-cpu (or per-task) like normal mmaps. > > maybe this needs to be applied after next patch? > perf tools: Introduce perf_evlist__mmap_multi
Oops, sorry. it seems the code was mixed after huge number of rebase.. The commit order is right but it just has a wrong hunk. > > I'm getting compile error: > > [jolsa@krava perf]$ make JOBS=1 > BUILD: Doing 'make -j1' parallel build > CC util/evlist.o > util/evlist.c: In function ‘perf_evlist__mmap_per_evsel’: > util/evlist.c:937:9: error: ‘struct mmap_params’ has no member named ‘track’ > if (mp->track && perf_evsel__is_dummy_tracking(evsel)) { > ^ > util/evlist.c: In function ‘perf_evlist__mmap’: > util/evlist.c:1092:62: error: ‘use_track_mmap’ undeclared (first use in this > function) > if (evlist->mmap == NULL && perf_evlist__alloc_mmap(evlist, use_track_mmap) > < 0) > ^ > util/evlist.c:1092:62: note: each undeclared identifier is reported only once > for each function it appears in > make[1]: *** [util/evlist.o] Error 1 > make: *** [all] Error 2 Will fix, thanks Namhyung -- 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/