The following commit has been merged into the perf/core branch of tip: Commit-ID: 1fcbb75cc574072ab457dbbaa74fc7064b691e86 Gitweb: https://git.kernel.org/tip/1fcbb75cc574072ab457dbbaa74fc7064b691e86 Author: Jiri Olsa <jo...@kernel.org> AuthorDate: Mon, 07 Oct 2019 14:53:23 +02:00 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitterDate: Thu, 10 Oct 2019 12:20:08 -03:00
libperf: Introduce perf_evlist_mmap_ops::idx callback Add the perf_evlist_mmap_ops::idx callback to be called in mmap_per_cpu() and mmap_per_thread() with current cpu and thread indexes. It's used by current aux code, so perf will use this callback to set the aux index. Signed-off-by: Jiri Olsa <jo...@kernel.org> Cc: Alexander Shishkin <alexander.shish...@linux.intel.com> Cc: Michael Petlan <mpet...@redhat.com> Cc: Namhyung Kim <namhy...@kernel.org> Cc: Peter Zijlstra <pet...@infradead.org> Link: http://lore.kernel.org/lkml/20191007125344.14268-16-jo...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/lib/evlist.c | 18 +++++++++++++----- tools/perf/lib/include/internal/evlist.h | 4 ++++ 2 files changed, 17 insertions(+), 5 deletions(-) diff --git a/tools/perf/lib/evlist.c b/tools/perf/lib/evlist.c index 88d63f5..3832d3e 100644 --- a/tools/perf/lib/evlist.c +++ b/tools/perf/lib/evlist.c @@ -426,7 +426,8 @@ mmap_per_evsel(struct perf_evlist *evlist, int idx, } static int -mmap_per_thread(struct perf_evlist *evlist, struct perf_mmap_param *mp) +mmap_per_thread(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops, + struct perf_mmap_param *mp) { int thread; int nr_threads = perf_thread_map__nr(evlist->threads); @@ -435,6 +436,9 @@ mmap_per_thread(struct perf_evlist *evlist, struct perf_mmap_param *mp) int output = -1; int output_overwrite = -1; + if (ops->idx) + ops->idx(evlist, mp, thread, false); + if (mmap_per_evsel(evlist, thread, mp, 0, thread, &output, &output_overwrite)) goto out_unmap; @@ -448,7 +452,8 @@ out_unmap: } static int -mmap_per_cpu(struct perf_evlist *evlist, struct perf_mmap_param *mp) +mmap_per_cpu(struct perf_evlist *evlist, struct perf_evlist_mmap_ops *ops, + struct perf_mmap_param *mp) { int nr_threads = perf_thread_map__nr(evlist->threads); int nr_cpus = perf_cpu_map__nr(evlist->cpus); @@ -458,6 +463,9 @@ mmap_per_cpu(struct perf_evlist *evlist, struct perf_mmap_param *mp) int output = -1; int output_overwrite = -1; + if (ops->idx) + ops->idx(evlist, mp, cpu, true); + for (thread = 0; thread < nr_threads; thread++) { if (mmap_per_evsel(evlist, cpu, mp, cpu, thread, &output, &output_overwrite)) @@ -496,15 +504,15 @@ int perf_evlist__mmap_ops(struct perf_evlist *evlist, } if (perf_cpu_map__empty(cpus)) - return mmap_per_thread(evlist, mp); + return mmap_per_thread(evlist, ops, mp); - return mmap_per_cpu(evlist, mp); + return mmap_per_cpu(evlist, ops, mp); } int perf_evlist__mmap(struct perf_evlist *evlist, int pages) { struct perf_mmap_param mp; - struct perf_evlist_mmap_ops ops; + struct perf_evlist_mmap_ops ops = { 0 }; evlist->mmap_len = (pages + 1) * page_size; mp.mask = evlist->mmap_len - page_size - 1; diff --git a/tools/perf/lib/include/internal/evlist.h b/tools/perf/lib/include/internal/evlist.h index e5f092f..053f620 100644 --- a/tools/perf/lib/include/internal/evlist.h +++ b/tools/perf/lib/include/internal/evlist.h @@ -27,7 +27,11 @@ struct perf_evlist { struct perf_mmap *mmap_ovw; }; +typedef void +(*perf_evlist_mmap__cb_idx_t)(struct perf_evlist*, struct perf_mmap_param*, int, bool); + struct perf_evlist_mmap_ops { + perf_evlist_mmap__cb_idx_t idx; }; int perf_evlist__alloc_pollfd(struct perf_evlist *evlist);
