perf hists: Add support for header span

[cascardo/linux.git] / tools / perf / util / sort.c

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 947d21f..5ae3d32 100644 (file)
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -588,7 +588,11 @@ static char *get_trace_output(struct hist_entry *he)
        } else {
                pevent_event_info(&seq, evsel->tp_format, &rec);
        }
-       return seq.buffer;
+       /*
+        * Trim the buffer, it starts at 4KB and we're not going to
+        * add anything more to this buffer.
+        */
+       return realloc(seq.buffer, seq.len + 1);
 }
 
 static int64_t
@@ -1488,7 +1492,8 @@ void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists)
 }
 
 static int __sort__hpp_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
-                             struct hists *hists)
+                             struct hists *hists, int line __maybe_unused,
+                             int *span __maybe_unused)
 {
        struct hpp_sort_entry *hse;
        size_t len = fmt->user_len;
@@ -1793,7 +1798,9 @@ static void update_dynamic_len(struct hpp_dynamic_entry *hde,
 }
 
 static int __sort__hde_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
-                             struct hists *hists __maybe_unused)
+                             struct hists *hists __maybe_unused,
+                             int line __maybe_unused,
+                             int *span __maybe_unused)
 {
        struct hpp_dynamic_entry *hde;
        size_t len = fmt->user_len;