perf annotate: Add samples into struct annotation_line

Add samples array into struct annotation_line to hold the annotation
data. The data is populated in the following patches.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20171011150158.11895-17-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 0c2eb95..313fb2e 100644 (file)
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -911,7 +911,14 @@ static struct annotation_line *
 annotation_line__new(struct annotate_args *args, size_t privsize)
 {
        struct annotation_line *al;
+       struct perf_evsel *evsel = args->evsel;
        size_t size = privsize + sizeof(*al);
+       int nr = 1;
+
+       if (perf_evsel__is_group_event(evsel))
+               nr = evsel->nr_members;
+
+       size += sizeof(al->samples[0]) * nr;
 
        al = zalloc(size);
        if (al) {
@@ -920,6 +927,7 @@ annotation_line__new(struct annotate_args *args, size_t privsize)
                al->offset     = args->offset;
                al->line       = strdup(args->line);
                al->line_nr    = args->line_nr;
+               al->samples_nr = nr;
        }
 
        return al;

diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index cb60caf..55bdd90 100644 (file)
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -59,6 +59,16 @@ bool ins__is_fused(struct arch *arch, const char *ins1, const char *ins2);
 
 struct annotation;
 
+struct sym_hist_entry {
+       u64             nr_samples;
+       u64             period;
+};
+
+struct annotation_data {
+       double                   percent;
+       struct sym_hist_entry    he;
+};
+
 struct annotation_line {
        struct list_head         node;
        struct rb_node           rb_node;
@@ -68,6 +78,8 @@ struct annotation_line {
        float                    ipc;
        u64                      cycles;
        size_t                   privsize;
+       int                      samples_nr;
+       struct annotation_data   samples[0];
 };
 
 struct disasm_line {
@@ -88,11 +100,6 @@ static inline bool disasm_line__has_offset(const struct disasm_line *dl)
        return dl->ops.target.offset_avail;
 }
 
-struct sym_hist_entry {
-       u64             nr_samples;
-       u64             period;
-};
-
 void disasm_line__free(struct disasm_line *dl);
 struct annotation_line *
 annotation_line__next(struct annotation_line *pos, struct list_head *head);