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| author | Zhang Rui <rui.zhang@intel.com> | 2025-03-19 08:53:07 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-04-10 14:44:42 +0200 |
| commit | 727d331fd8de76510c4fa11df845307125cbc736 (patch) | |
| tree | 81a8406a22ab8d2a47fad283c7198a54cb6d73e7 /tools | |
| parent | d54f0fa0e0e167dfd7f1b270a9b09a9514ec09bb (diff) | |
| download | linux-727d331fd8de76510c4fa11df845307125cbc736.tar.gz linux-727d331fd8de76510c4fa11df845307125cbc736.tar.bz2 linux-727d331fd8de76510c4fa11df845307125cbc736.zip | |
tools/power turbostat: Restore GFX sysfs fflush() call
[ Upstream commit f8b136ef2605c1bf62020462d10e35228760aa19 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 5b36f1fd885c..4155d9bfcfc6 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: |