diff options
Diffstat (limited to 'tools/power/x86/turbostat/turbostat.c')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index d7880870ef68..f9bc2230db73 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -3188,8 +3188,8 @@ int snapshot_gfx_rc6_ms(void) /* * snapshot_gfx_mhz() * - * record snapshot of - * /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz + * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz + * when /sys/class/drm/card0/gt_cur_freq_mhz is not available. * * return 1 if config change requires a restart, else return 0 */ @@ -3198,9 +3198,11 @@ int snapshot_gfx_mhz(void) static FILE *fp; int retval; - if (fp == NULL) - fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); - else { + if (fp == NULL) { + fp = fopen("/sys/class/drm/card0/gt_cur_freq_mhz", "r"); + if (!fp) + fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); + } else { rewind(fp); fflush(fp); } @@ -3215,8 +3217,8 @@ int snapshot_gfx_mhz(void) /* * snapshot_gfx_cur_mhz() * - * record snapshot of - * /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz + * fall back to /sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz + * when /sys/class/drm/card0/gt_act_freq_mhz is not available. * * return 1 if config change requires a restart, else return 0 */ @@ -3225,9 +3227,11 @@ int snapshot_gfx_act_mhz(void) static FILE *fp; int retval; - if (fp == NULL) - fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", "r"); - else { + if (fp == NULL) { + fp = fopen("/sys/class/drm/card0/gt_act_freq_mhz", "r"); + if (!fp) + fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", "r"); + } else { rewind(fp); fflush(fp); } @@ -5804,10 +5808,12 @@ void process_cpuid() if (!access("/sys/class/drm/card0/power/rc6_residency_ms", R_OK)) BIC_PRESENT(BIC_GFX_rc6); - if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK)) + if (!access("/sys/class/drm/card0/gt_cur_freq_mhz", R_OK) || + !access("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", R_OK)) BIC_PRESENT(BIC_GFXMHz); - if (!access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK)) + if (!access("/sys/class/drm/card0/gt_act_freq_mhz", R_OK) || + !access("/sys/class/graphics/fb0/device/drm/card0/gt_act_freq_mhz", R_OK)) BIC_PRESENT(BIC_GFXACTMHz); if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK)) |