diff options
| -rw-r--r-- | tools/perf/util/hist.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index ecf853cdc0bf..e8daf5ca6fd2 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1,6 +1,7 @@ #include "hist.h" #include "session.h" #include "sort.h" +#include <math.h> struct callchain_param callchain_param = { .mode = CHAIN_GRAPH_REL, @@ -494,13 +495,13 @@ static size_t hist_entry__fprintf(struct hist_entry *self, double old_percent = 0, new_percent = 0, diff; if (total > 0) - old_percent = (count * 100) / total; + old_percent = (count * 100.0) / total; if (session->events_stats.total > 0) - new_percent = (self->count * 100) / session->events_stats.total; + new_percent = (self->count * 100.0) / session->events_stats.total; - diff = old_percent - new_percent; + diff = new_percent - old_percent; - if ((u64)diff != 0) + if (fabs(diff) >= 0.01) snprintf(bf, sizeof(bf), "%+4.2F%%", diff); else snprintf(bf, sizeof(bf), " "); |