perf hists: Add 'hpp__equal' callback function

Adding 'hpp__equal' callback function to compare hpp output format
entries.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1453109064-1026-7-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 71c8bb71a3508c70229b1fc300ca0d60290ac43d..b543f4b7d7d36fec758c09a6ae06003d538dd551 100644 (file)
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -371,6 +371,19 @@ static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
        return 0;
 }
 
+static bool perf_hpp__is_hpp_entry(struct perf_hpp_fmt *a)
+{
+       return a->header == hpp__header_fn;
+}
+
+static bool hpp__equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
+{
+       if (!perf_hpp__is_hpp_entry(a) || !perf_hpp__is_hpp_entry(b))
+               return false;
+
+       return a->idx == b->idx;
+}
+
 #define HPP__COLOR_PRINT_FNS(_name, _fn, _idx)         \
        {                                               \
                .name   = _name,                        \
@@ -382,6 +395,7 @@ static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
                .collapse = hpp__nop_cmp,               \
                .sort   = hpp__sort_ ## _fn,            \
                .idx    = PERF_HPP__ ## _idx,           \
+               .equal  = hpp__equal,                   \
        }
 
 #define HPP__COLOR_ACC_PRINT_FNS(_name, _fn, _idx)     \
@@ -395,6 +409,7 @@ static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
                .collapse = hpp__nop_cmp,               \
                .sort   = hpp__sort_ ## _fn,            \
                .idx    = PERF_HPP__ ## _idx,           \
+               .equal  = hpp__equal,                   \
        }
 
 #define HPP__PRINT_FNS(_name, _fn, _idx)               \
@@ -407,6 +422,7 @@ static int64_t hpp__nop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
                .collapse = hpp__nop_cmp,               \
                .sort   = hpp__sort_ ## _fn,            \
                .idx    = PERF_HPP__ ## _idx,           \
+               .equal  = hpp__equal,                   \
        }
 
 struct perf_hpp_fmt perf_hpp__format[] = {