diff options
Diffstat (limited to 'src/occ_405/proc/proc_pstate.c')
| -rwxr-xr-x | src/occ_405/proc/proc_pstate.c | 55 |
1 files changed, 48 insertions, 7 deletions
diff --git a/src/occ_405/proc/proc_pstate.c b/src/occ_405/proc/proc_pstate.c index 12e3ac1..f78eb41 100755 --- a/src/occ_405/proc/proc_pstate.c +++ b/src/occ_405/proc/proc_pstate.c @@ -5,7 +5,7 @@ /* */ /* OpenPOWER OnChipController Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2011,2017 */ +/* Contributors Listed Below - COPYRIGHT 2011,2018 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -49,6 +49,9 @@ extern opal_mem_voting_reason_t G_amec_opal_mem_throt_reason; //Global OCC Pstate Parameters Block Structure extern OCCPstateParmBlock G_oppb; +//Trace flags +extern uint16_t G_allow_trace_flags; + //Holds Fmax for ease of proc_freq2pstate calculation = max(fturbo,futurbo) uint16_t G_proc_fmax_mhz; @@ -459,6 +462,9 @@ void check_for_opal_updates(void) bool dynamic_data_change = false; bool l_log_crit_error = false; static uint8_t L_num_bce_checks = 0; + static bool L_first_throttle_trace = true; + static bool L_first_unthrottle_trace = true; + static bool L_first_mem_trace = true; // check if BCE for previous change finished and now need to notify host if(G_opal_table_update_state == OPAL_TABLE_UPDATE_NOTIFY_HOST) @@ -517,18 +523,52 @@ void check_for_opal_updates(void) else if(G_opal_dynamic_table.dynamic.proc_throt_status != G_amec_opal_proc_throt_reason) { dynamic_data_change = true; - TRAC_INFO("check_for_opal_updates: processor throttle status change - 0x%02X->0x%02X", - G_opal_dynamic_table.dynamic.proc_throt_status, G_amec_opal_proc_throt_reason); + + // Only want to trace the first time we throttle, and the first + // time we unthrottle. If ALLOW_OPAL_TRACE is set, trace every time + bool l_trace = false; + if( (G_allow_trace_flags & ALLOW_OPAL_TRACE) || + (L_first_throttle_trace) ) + { + l_trace = true; + L_first_throttle_trace = false; + } + else if( (G_amec_opal_proc_throt_reason == 0) && + (L_first_unthrottle_trace) ) + { + l_trace = true; + L_first_unthrottle_trace = false; + } + + if(l_trace) + { + TRAC_INFO("check_for_opal_updates: " + "processor throttle status change - 0x%02X->0x%02X", + G_opal_dynamic_table.dynamic.proc_throt_status, + G_amec_opal_proc_throt_reason); + } } // check if memory throttle status or Quick Power Drop changed if( (G_opal_dynamic_table.dynamic.mem_throt_status != G_amec_opal_mem_throt_reason) || - (G_opal_dynamic_table.dynamic.quick_power_drop != AMEC_INTF_GET_OVERSUBSCRIPTION()) ) + (G_opal_dynamic_table.dynamic.quick_power_drop != AMEC_INTF_GET_OVERSUBSCRIPTION()) ) { dynamic_data_change = true; - TRAC_INFO("check_for_opal_updates: memory throttle status - 0x%02X->0x%02X QPD - 0x%02X->0x%02X", - G_opal_dynamic_table.dynamic.mem_throt_status, G_amec_opal_mem_throt_reason, - G_opal_dynamic_table.dynamic.quick_power_drop, AMEC_INTF_GET_OVERSUBSCRIPTION()); + + if( (G_allow_trace_flags & ALLOW_OPAL_TRACE ) || + (L_first_mem_trace) || + (G_opal_dynamic_table.dynamic.quick_power_drop != + AMEC_INTF_GET_OVERSUBSCRIPTION()) ) + { + TRAC_INFO("check_for_opal_updates:" + " memory throttle status - 0x%02X->0x%02X" + " QPD - 0x%02X->0x%02X", + G_opal_dynamic_table.dynamic.mem_throt_status, + G_amec_opal_mem_throt_reason, + G_opal_dynamic_table.dynamic.quick_power_drop, + AMEC_INTF_GET_OVERSUBSCRIPTION()); + L_first_mem_trace = false; + } } // check for OCC state change @@ -622,6 +662,7 @@ void check_for_opal_updates(void) commitErrl(&l_errl); } } + } |
