diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_debugfs.c | 49 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_log.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_guc_log.h | 10 |
4 files changed, 52 insertions, 38 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 5584736a4293..964ea1a12357 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2325,30 +2325,45 @@ static int i915_guc_load_status_info(struct seq_file *m, void *data) return 0; } -static void i915_guc_log_info(struct seq_file *m, - struct drm_i915_private *dev_priv) +static const char * +stringify_guc_log_type(enum guc_log_buffer_type type) { - struct intel_guc *guc = &dev_priv->guc; - - seq_puts(m, "GuC logging stats:\n"); + switch (type) { + case GUC_ISR_LOG_BUFFER: + return "ISR"; + case GUC_DPC_LOG_BUFFER: + return "DPC"; + case GUC_CRASH_DUMP_LOG_BUFFER: + return "CRASH"; + default: + MISSING_CASE(type); + } - seq_printf(m, "\tISR: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_ISR_LOG_BUFFER], - guc->log.total_overflow_count[GUC_ISR_LOG_BUFFER]); + return ""; +} - seq_printf(m, "\tDPC: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_DPC_LOG_BUFFER], - guc->log.total_overflow_count[GUC_DPC_LOG_BUFFER]); +static void i915_guc_log_info(struct seq_file *m, + struct drm_i915_private *dev_priv) +{ + struct intel_guc_log *log = &dev_priv->guc.log; + enum guc_log_buffer_type type; - seq_printf(m, "\tCRASH: flush count %10u, overflow count %10u\n", - guc->log.flush_count[GUC_CRASH_DUMP_LOG_BUFFER], - guc->log.total_overflow_count[GUC_CRASH_DUMP_LOG_BUFFER]); + if (!intel_guc_log_relay_enabled(log)) { + seq_puts(m, "GuC log relay disabled\n"); + return; + } - seq_printf(m, "\tTotal flush interrupt count: %u\n", - guc->log.flush_interrupt_count); + seq_puts(m, "GuC logging stats:\n"); seq_printf(m, "\tRelay full count: %u\n", - guc->log.relay.full_count); + log->relay.full_count); + + for (type = GUC_ISR_LOG_BUFFER; type < GUC_MAX_LOG_BUFFER; type++) { + seq_printf(m, "\t%s:\tflush count %10u, overflow count %10u\n", + stringify_guc_log_type(type), + log->stats[type].flush, + log->stats[type].sampled_overflow); + } } static void i915_guc_client_info(struct seq_file *m, diff --git a/drivers/gpu/drm/i915/intel_guc.c b/drivers/gpu/drm/i915/intel_guc.c index 70d118bb0a1a..eeda1aa2afe6 100644 --- a/drivers/gpu/drm/i915/intel_guc.c +++ b/drivers/gpu/drm/i915/intel_guc.c @@ -390,12 +390,9 @@ void intel_guc_to_host_event_handler(struct intel_guc *guc) spin_unlock(&guc->irq_lock); if (msg & (INTEL_GUC_RECV_MSG_FLUSH_LOG_BUFFER | - INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED)) { + INTEL_GUC_RECV_MSG_CRASH_DUMP_POSTED)) queue_work(guc->log.relay.flush_wq, &guc->log.relay.flush_work); - - guc->log.flush_interrupt_count++; - } } int intel_guc_sample_forcewake(struct intel_guc *guc) diff --git a/drivers/gpu/drm/i915/intel_guc_log.c b/drivers/gpu/drm/i915/intel_guc_log.c index c220c2893d2c..3180645b9642 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.c +++ b/drivers/gpu/drm/i915/intel_guc_log.c @@ -195,18 +195,18 @@ static bool guc_check_log_buf_overflow(struct intel_guc_log *log, enum guc_log_buffer_type type, unsigned int full_cnt) { - unsigned int prev_full_cnt = log->prev_overflow_count[type]; + unsigned int prev_full_cnt = log->stats[type].sampled_overflow; bool overflow = false; if (full_cnt != prev_full_cnt) { overflow = true; - log->prev_overflow_count[type] = full_cnt; - log->total_overflow_count[type] += full_cnt - prev_full_cnt; + log->stats[type].overflow = full_cnt; + log->stats[type].sampled_overflow += full_cnt - prev_full_cnt; if (full_cnt < prev_full_cnt) { /* buffer_full_cnt is a 4 bit counter */ - log->total_overflow_count[type] += 16; + log->stats[type].sampled_overflow += 16; } DRM_ERROR_RATELIMITED("GuC log buffer overflow\n"); } @@ -241,7 +241,7 @@ static void guc_read_update_log_buffer(struct intel_guc_log *log) mutex_lock(&log->relay.lock); - if (WARN_ON(!log->relay.buf_addr)) + if (WARN_ON(!intel_guc_log_relay_enabled(log))) goto out_unlock; /* Get the pointer to shared GuC log buffer */ @@ -279,7 +279,7 @@ static void guc_read_update_log_buffer(struct intel_guc_log *log) full_cnt = log_buf_state_local.buffer_full_cnt; /* Bookkeeping stuff */ - log->flush_count[type] += log_buf_state_local.flush_to_file; + log->stats[type].flush += log_buf_state_local.flush_to_file; new_overflow = guc_check_log_buf_overflow(log, type, full_cnt); /* Update the state of shared log buffer */ @@ -341,11 +341,6 @@ static void capture_logs_work(struct work_struct *work) guc_log_capture_logs(log); } -static bool guc_log_relay_enabled(struct intel_guc_log *log) -{ - return log->relay.buf_addr; -} - static int guc_log_map(struct intel_guc_log *log) { struct intel_guc *guc = log_to_guc(log); @@ -553,13 +548,18 @@ out_unlock: return ret; } +bool intel_guc_log_relay_enabled(const struct intel_guc_log *log) +{ + return log->relay.buf_addr; +} + int intel_guc_log_relay_open(struct intel_guc_log *log) { int ret; mutex_lock(&log->relay.lock); - if (guc_log_relay_enabled(log)) { + if (intel_guc_log_relay_enabled(log)) { ret = -EEXIST; goto out_unlock; } @@ -628,7 +628,7 @@ void intel_guc_log_relay_close(struct intel_guc_log *log) flush_work(&log->relay.flush_work); mutex_lock(&log->relay.lock); - GEM_BUG_ON(!guc_log_relay_enabled(log)); + GEM_BUG_ON(!intel_guc_log_relay_enabled(log)); guc_log_unmap(log); guc_log_relay_destroy(log); mutex_unlock(&log->relay.lock); diff --git a/drivers/gpu/drm/i915/intel_guc_log.h b/drivers/gpu/drm/i915/intel_guc_log.h index db35e548d2ed..9ec5703d712c 100644 --- a/drivers/gpu/drm/i915/intel_guc_log.h +++ b/drivers/gpu/drm/i915/intel_guc_log.h @@ -52,10 +52,11 @@ struct intel_guc_log { u32 full_count; } relay; /* logging related stats */ - u32 flush_interrupt_count; - u32 prev_overflow_count[GUC_MAX_LOG_BUFFER]; - u32 total_overflow_count[GUC_MAX_LOG_BUFFER]; - u32 flush_count[GUC_MAX_LOG_BUFFER]; + struct { + u32 sampled_overflow; + u32 overflow; + u32 flush; + } stats[GUC_MAX_LOG_BUFFER]; }; void intel_guc_log_init_early(struct intel_guc_log *log); @@ -64,6 +65,7 @@ void intel_guc_log_destroy(struct intel_guc_log *log); int intel_guc_log_level_get(struct intel_guc_log *log); int intel_guc_log_level_set(struct intel_guc_log *log, u64 control_val); +bool intel_guc_log_relay_enabled(const struct intel_guc_log *log); int intel_guc_log_relay_open(struct intel_guc_log *log); void intel_guc_log_relay_flush(struct intel_guc_log *log); void intel_guc_log_relay_close(struct intel_guc_log *log); |