From f542e7670e48bc9d0aed351c1fd2ae0b65cc6f68 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Tue, 5 Jul 2016 08:56:04 +0200 Subject: perf hists: Introduce hist_entry_ops Introducing allocation callbacks, that allows to extend current hist_entry object into objects with special needs without polluting the current hist_entry object. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Namhyung Kim Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/1467701765-26194-3-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/sort.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'tools/perf/util/sort.h') diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index ebb59cacd092..7ca37ea17395 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -67,6 +67,11 @@ struct hist_entry_diff { }; }; +struct hist_entry_ops { + void *(*new)(size_t size); + void (*free)(void *ptr); +}; + /** * struct hist_entry - histogram entry * @@ -125,6 +130,7 @@ struct hist_entry { void *trace_output; struct perf_hpp_list *hpp_list; struct hist_entry *parent_he; + struct hist_entry_ops *ops; union { /* this is for hierarchical entry structure */ struct { -- cgit v1.2.3