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tools/power turbostat: Remove unnecessary fflush() call

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The graphics sysfs knobs are read-only, making the use of fflush()
before reading them redundant.

Remove the unnecessary fflush() call.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Zhang Rui 2024-11-14 15:59:43 +08:00 committed by Len Brown
parent 1958f4e168
commit ba99a4fc8c
1 changed files with 3 additions and 4 deletions
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7
tools/power/x86/turbostat/turbostat.c
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@ -5780,12 +5780,11 @@ int snapshot_graphics(int idx)
case GFX_ACTMHz:
case SAM_MHz:
case SAM_ACTMHz:
if (gfx_info[idx].fp == NULL) {
if (gfx_info[idx].fp == NULL)
gfx_info[idx].fp = fopen_or_die(gfx_info[idx].path, "r");
} else {
else
rewind(gfx_info[idx].fp);
fflush(gfx_info[idx].fp);
}
retval = fscanf(gfx_info[idx].fp, "%d", &gfx_info[idx].val);
if (retval != 1)
err(1, "MHz");