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-rw-r--r--tools/perf/ui/hist.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 532a60177c32..6b0138e5f332 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -228,16 +228,17 @@ static int hpp__width_delta(struct perf_hpp *hpp __maybe_unused)
static int hpp__entry_delta(struct perf_hpp *hpp, struct hist_entry *he)
{
- struct hists *pair_hists = hpp->ptr;
+ struct hist_entry *pair = he->pair;
+ struct hists *pair_hists = pair ? pair->hists : NULL;
u64 old_total, new_total;
double old_percent = 0, new_percent = 0;
double diff;
const char *fmt = symbol_conf.field_sep ? "%s" : "%7.7s";
char buf[32] = " ";
- old_total = pair_hists->stats.total_period;
- if (old_total > 0 && he->pair)
- old_percent = 100.0 * he->pair->period / old_total;
+ old_total = pair_hists ? pair_hists->stats.total_period : 0;
+ if (old_total > 0 && pair)
+ old_percent = 100.0 * pair->period / old_total;
new_total = hpp->total_period;
if (new_total > 0)