| Message ID | 20241114075946.118577-8-rui.zhang@intel.com |
|---|---|
| State | Accepted |
| Commit | ba99a4fc8c24dc7d35f18edb6e3b0a65345fbfa3 |
| Headers | show |
| Series | tools/power turbostat: Fixes, enabling and enhancements | expand |
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 8a45b1c4c225..4956f4b837d1 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5747,12 +5747,11 @@ 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");
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> --- tools/power/x86/turbostat/turbostat.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-)