From: Zhang Rui <rui.zhang@intel.com>
Date: Wed, 19 Mar 2025 00:53:07 +0000 (+0800)
Subject: tools/power turbostat: Restore GFX sysfs fflush() call
X-Git-Tag: v6.15-rc1~2^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f8b136ef2605c1bf62020462d10e35228760aa19;p=thirdparty%2Flinux.git

tools/power turbostat: Restore GFX sysfs fflush() call

Do fflush() to discard the buffered data, before each read of the
graphics sysfs knobs.

Fixes: ba99a4fc8c24 ("tools/power turbostat: Remove unnecessary fflush() call")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 70e17d4ad9b60..c9a34c16c7a81 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -6039,6 +6039,7 @@ int snapshot_graphics(int idx)
 	int retval;
 
 	rewind(gfx_info[idx].fp);
+	fflush(gfx_info[idx].fp);
 
 	switch (idx) {
 	case GFX_rc6: