diff options
Diffstat (limited to 'arch/x86/include/asm/uv/uv_bau.h')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_bau.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index 6149b476d9df..a06983cdc125 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -140,6 +140,9 @@ #define IPI_RESET_LIMIT 1 /* after this # consecutive successes, bump up the throttle if it was lowered */ #define COMPLETE_THRESHOLD 5 +/* after this # of giveups (fall back to kernel IPI's) disable the use of + the BAU for a period of time */ +#define GIVEUP_LIMIT 100 #define UV_LB_SUBNODEID 0x10 @@ -166,7 +169,6 @@ #define FLUSH_RETRY_TIMEOUT 2 #define FLUSH_GIVEUP 3 #define FLUSH_COMPLETE 4 -#define FLUSH_RETRY_BUSYBUG 5 /* * tuning the action when the numalink network is extremely delayed @@ -175,7 +177,7 @@ microseconds */ #define CONGESTED_REPS 10 /* long delays averaged over this many broadcasts */ -#define CONGESTED_PERIOD 30 /* time for the bau to be +#define DISABLED_PERIOD 10 /* time for the bau to be disabled, in seconds */ /* see msg_type: */ #define MSG_NOOP 0 @@ -520,6 +522,12 @@ struct ptc_stats { unsigned long s_uv2_wars; /* uv2 workaround, perm. busy */ unsigned long s_uv2_wars_hw; /* uv2 workaround, hiwater */ unsigned long s_uv2_war_waits; /* uv2 workaround, long waits */ + unsigned long s_overipilimit; /* over the ipi reset limit */ + unsigned long s_giveuplimit; /* disables, over giveup limit*/ + unsigned long s_enters; /* entries to the driver */ + unsigned long s_ipifordisabled; /* fall back to IPI; disabled */ + unsigned long s_plugged; /* plugged by h/w bug*/ + unsigned long s_congested; /* giveup on long wait */ /* destination statistics */ unsigned long d_alltlb; /* times all tlb's on this cpu were flushed */ @@ -586,8 +594,8 @@ struct bau_control { int timeout_tries; int ipi_attempts; int conseccompletes; - int baudisabled; - int set_bau_off; + short nobau; + short baudisabled; short cpu; short osnode; short uvhub_cpu; @@ -596,14 +604,16 @@ struct bau_control { short cpus_in_socket; short cpus_in_uvhub; short partition_base_pnode; - short using_desc; /* an index, like uvhub_cpu */ - unsigned int inuse_map; + short busy; /* all were busy (war) */ unsigned short message_number; unsigned short uvhub_quiesce; short socket_acknowledge_count[DEST_Q_SIZE]; cycles_t send_message; + cycles_t period_end; + cycles_t period_time; spinlock_t uvhub_lock; spinlock_t queue_lock; + spinlock_t disable_lock; /* tunables */ int max_concurr; int max_concurr_const; @@ -614,9 +624,9 @@ struct bau_control { int complete_threshold; int cong_response_us; int cong_reps; - int cong_period; - unsigned long clocks_per_100_usec; - cycles_t period_time; + cycles_t disabled_period; + int period_giveups; + int giveup_limit; long period_requests; struct hub_and_pnode *thp; }; |