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>> enum intel_engine_id id; >> struct igt_spinner spin; >> + u32 throttle; >> int err = 0; >> >> /* >> @@ -1216,6 +1217,13 @@ int live_rps_power(void *arg) >> if (11 * min.power > 10 * max.power) { >> pr_err("%s: did not conserve power when setting lower frequency!\n", >> engine->name); >> + >> + throttle = intel_uncore_read(gt->uncore, >> + intel_gt_perf_limit_reasons_reg(gt)); >> + >> + pr_warn("%s: GPU throttled with reasons 0x%08x\n", >> + engine->name, throttle & GT0_PERF_LIMIT_REASONS_MASK); >> + > This feels like spamming the system messages. We are on error > path already and exiting with -EINVAL, so printing an > unconditional warning here is excessive, I think. > > [...] Got it. Based on past experience, most failures occur due to throttling. However, I can switch it to pr_info since we already print pr_err beforehand. Thanks, Anirban >