tools/perf: Fix sorting for 64bit entries

Some of the node comparisons in hist.c dropped the upper
32bit by using an int variable to store the compare
result. This broke various 64bit fields, causing
incorrect collapsing (found for the TSX transaction field)

Just use int64_t always.

Acked-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1380637335-30110-1-git-send-email-andi@firstfloor.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index 9ff6cf3e9a99f69596b37372f60203c11bec88a3..97dc2808885d2cbfd43f0e74084995eb92034ed5 100644 (file)
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -346,7 +346,7 @@ static struct hist_entry *add_hist_entry(struct hists *hists,
        struct rb_node **p;
        struct rb_node *parent = NULL;
        struct hist_entry *he;
-       int cmp;
+       int64_t cmp;
 
        p = &hists->entries_in->rb_node;
 
@@ -884,7 +884,7 @@ static struct hist_entry *hists__add_dummy_entry(struct hists *hists,
        struct rb_node **p;
        struct rb_node *parent = NULL;
        struct hist_entry *he;
-       int cmp;
+       int64_t cmp;
 
        if (sort__need_collapse)
                root = &hists->entries_collapsed;