Module: Mesa
Branch: master
Commit: ed63bd62d85c92555c1d310ae46064ad3c7d47ee
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=ed63bd62d85c92555c1d310ae46064ad3c7d47ee
Author: Keith Whitwell <kei...@vmware.com>
Date: Mon Sep 21 15:51:26 2009 +0100
progs/perf: add human-readable float formatter
---
progs/perf/common.c | 18 ++++++++++++++++++
progs/perf/common.h | 2 ++
2 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/progs/perf/common.c b/progs/perf/common.c
index 695b8a9..722f4b7 100644
--- a/progs/perf/common.c
+++ b/progs/perf/common.c
@@ -113,3 +113,21 @@ PerfMeasureRate(PerfRateFunc f)
}
+/* Note static buffer, can only use once per printf.
+ */
+const char *
+PerfHumanFloat( double d )
+{
+ static char buf[80];
+
+ if (d > 1000000000.0)
+ snprintf(buf, sizeof(buf), "%.1f billion", d / 1000000000.0);
+ else if (d > 1000000.0)
+ snprintf(buf, sizeof(buf), "%.1f million", d / 1000000.0);
+ else if (d > 1000.0)
+ snprintf(buf, sizeof(buf), "%.1f thousand", d / 1000.0);
+ else
+ snprintf(buf, sizeof(buf), "%.1f", d);
+
+ return buf;
+}
diff --git a/progs/perf/common.h b/progs/perf/common.h
index 85db678..fc49bbe 100644
--- a/progs/perf/common.h
+++ b/progs/perf/common.h
@@ -30,6 +30,8 @@ typedef void (*PerfRateFunc)(unsigned count);
extern double
PerfMeasureRate(PerfRateFunc f);
+const char *
+PerfHumanFloat( double d );
extern void
perf_printf(const char *format, ...);
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