Lines Matching defs:exponent
260 /* The maximum exponent the hardware accepts is 63 (essentially it selects one
265 * reasonable to limit the OA exponent where it's still possible to account for
891 DRM_DEBUG("OA buffer overflow (exponent = %d): force restart\n",
1113 DRM_DEBUG("OA buffer overflow (exponent = %d): force restart\n",
2294 * exponent for periodic sampling which is primarily used for system
2300 * won't automatically reload an out-of-date timer exponent even
3512 static u64 oa_exponent_to_ns(struct i915_perf *perf, int exponent)
3514 return i915_cs_timestamp_ticks_to_ns(perf->i915, 2ULL << exponent);
3617 DRM_DEBUG("OA timer exponent too high (> %u)\n",
3645 DRM_DEBUG("OA exponent would exceed the max sampling frequency (sysctl dev.i915.oa_max_sample_rate) %uHz without CAP_PERFMON or CAP_SYS_ADMIN privileges\n",