diff options
author | Rickard Green <rickard@erlang.org> | 2012-12-21 03:10:21 +0100 |
---|---|---|
committer | Rickard Green <rickard@erlang.org> | 2013-01-23 14:36:16 +0100 |
commit | e3373f0602282040ae7a75b5b7ebbdcae2789c17 (patch) | |
tree | 6bf3274a0c0704770ee702c4ab60a32c293984bf /erts | |
parent | b4d9950e94ab0aedb3a2d2944a8b40f94f738f99 (diff) | |
download | otp-e3373f0602282040ae7a75b5b7ebbdcae2789c17.tar.gz otp-e3373f0602282040ae7a75b5b7ebbdcae2789c17.tar.bz2 otp-e3373f0602282040ae7a75b5b7ebbdcae2789c17.zip |
Bump reductions also for immediate driver calls
Diffstat (limited to 'erts')
-rw-r--r-- | erts/emulator/beam/bif.h | 2 | ||||
-rw-r--r-- | erts/emulator/beam/erl_port.h | 39 | ||||
-rw-r--r-- | erts/emulator/beam/erl_port_task.c | 10 | ||||
-rw-r--r-- | erts/emulator/beam/io.c | 27 |
4 files changed, 52 insertions, 26 deletions
diff --git a/erts/emulator/beam/bif.h b/erts/emulator/beam/bif.h index 71f232035d..4e456988a3 100644 --- a/erts/emulator/beam/bif.h +++ b/erts/emulator/beam/bif.h @@ -59,6 +59,8 @@ do { \ } while(0) #define BUMP_REDS(p, gc) do { \ + ASSERT(p); \ + ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_MAIN & erts_proc_lc_my_proc_locks(p));\ (p)->fcalls -= (gc); \ if ((p)->fcalls < 0) { \ if (!ERTS_PROC_GET_SAVED_CALLS_BUF((p))) \ diff --git a/erts/emulator/beam/erl_port.h b/erts/emulator/beam/erl_port.h index fb07f3d5bc..65b4cd0bfe 100644 --- a/erts/emulator/beam/erl_port.h +++ b/erts/emulator/beam/erl_port.h @@ -273,29 +273,28 @@ extern erts_smp_atomic_t erts_bytes_in; /* no bytes sent into the system */ (ERTS_PORT_SFLGS_INVALID_LOOKUP \ | ERTS_PORT_SFLG_DISTRIBUTION) - /* * Costs in reductions for some port operations. */ -#define ERTS_PORT_REDS_EXECUTE 10 -#define ERTS_PORT_REDS_FREE 100 -#define ERTS_PORT_REDS_TIMEOUT 400 -#define ERTS_PORT_REDS_INPUT 400 -#define ERTS_PORT_REDS_OUTPUT 400 -#define ERTS_PORT_REDS_EVENT 400 -#define ERTS_PORT_REDS_CMD_OUTPUTV 400 -#define ERTS_PORT_REDS_CMD_OUTPUT 400 -#define ERTS_PORT_REDS_EXIT 300 -#define ERTS_PORT_REDS_CONNECT 40 -#define ERTS_PORT_REDS_UNLINK 40 -#define ERTS_PORT_REDS_LINK 40 -#define ERTS_PORT_REDS_BADSIG 40 -#define ERTS_PORT_REDS_CONTROL 400 -#define ERTS_PORT_REDS_CALL 400 -#define ERTS_PORT_REDS_INFO 100 -#define ERTS_PORT_REDS_SET_DATA 40 -#define ERTS_PORT_REDS_GET_DATA 40 -#define ERTS_PORT_REDS_TERMINATE 200 +#define ERTS_PORT_REDS_EXECUTE (CONTEXT_REDS/4) +#define ERTS_PORT_REDS_FREE (CONTEXT_REDS/400) +#define ERTS_PORT_REDS_TIMEOUT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_INPUT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_OUTPUT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_EVENT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_CMD_OUTPUTV (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_CMD_OUTPUT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_EXIT (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_CONNECT (CONTEXT_REDS/200) +#define ERTS_PORT_REDS_UNLINK (CONTEXT_REDS/200) +#define ERTS_PORT_REDS_LINK (CONTEXT_REDS/200) +#define ERTS_PORT_REDS_BADSIG (CONTEXT_REDS/200) +#define ERTS_PORT_REDS_CONTROL (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_CALL (CONTEXT_REDS/50) +#define ERTS_PORT_REDS_INFO (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_SET_DATA (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_GET_DATA (CONTEXT_REDS/100) +#define ERTS_PORT_REDS_TERMINATE (CONTEXT_REDS/50) void print_port_info(Port *, int, void *); void erts_port_free(Port *); diff --git a/erts/emulator/beam/erl_port_task.c b/erts/emulator/beam/erl_port_task.c index 8ceadcdb8c..09c8e760f4 100644 --- a/erts/emulator/beam/erl_port_task.c +++ b/erts/emulator/beam/erl_port_task.c @@ -35,6 +35,11 @@ #include "dtrace-wrapper.h" #include <stdarg.h> +/* + * ERTS_PORT_CALLBACK_VREDS: Limit the amount of callback calls we do... + */ +#define ERTS_PORT_CALLBACK_VREDS (CONTEXT_REDS/5) + #if defined(DEBUG) && 0 #define ERTS_HARD_DEBUG_TASK_QUEUES #else @@ -1544,6 +1549,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) ErtsPortTask *execq; int processing_busy_q; int res = 0; + int vreds = 0; int reds = ERTS_PORT_REDS_EXECUTE; erts_aint_t io_tasks_executed = 0; int fpe_was_unmasked; @@ -1688,6 +1694,9 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) break; } + vreds += ERTS_PORT_CALLBACK_VREDS; + reds += ERTS_PORT_CALLBACK_VREDS; + if (reds >= CONTEXT_REDS) break; } @@ -1757,6 +1766,7 @@ erts_port_task_execute(ErtsRunQueue *runq, Port **curr_port_pp) res = (erts_smp_atomic_read_nob(&erts_port_task_outstanding_io_tasks) != (erts_aint_t) 0); + reds -= vreds; runq->scheduler->reductions += reds; ERTS_SMP_LC_ASSERT(erts_smp_lc_runq_is_locked(runq)); diff --git a/erts/emulator/beam/io.c b/erts/emulator/beam/io.c index e466f0e299..04dc9bb236 100644 --- a/erts/emulator/beam/io.c +++ b/erts/emulator/beam/io.c @@ -1573,6 +1573,8 @@ bad_port_signal(Process *c_p, try_call_state.state, flags & ERTS_PORT_SIG_FLG_BAD_OUTPUT); finalize_imm_drv_call(&try_call_state); + if (c_p) + BUMP_REDS(c_p, ERTS_PORT_REDS_BADSIG); return ERTS_PORT_OP_BADARG; case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: return ERTS_PORT_OP_DROPPED; @@ -1950,10 +1952,11 @@ erts_port_output(Process *c_p, driver_free_binary(cbin); if (evp != &ev) erts_free(ERTS_ALC_T_TMP, evp); - if (try_call_res == ERTS_TRY_IMM_DRV_CALL_OK) - return ERTS_PORT_OP_DONE; - else + if (try_call_res != ERTS_TRY_IMM_DRV_CALL_OK) return ERTS_PORT_OP_DROPPED; + if (c_p) + BUMP_REDS(c_p, ERTS_PORT_REDS_CMD_OUTPUTV); + return ERTS_PORT_OP_DONE; case ERTS_TRY_IMM_DRV_CALL_INVALID_SCHED_FLAGS: sched_flags = try_call_state.sched_flags; case ERTS_TRY_IMM_DRV_CALL_BUSY_LOCK: @@ -2096,10 +2099,11 @@ erts_port_output(Process *c_p, /* Fall through... */ case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: erts_free(ERTS_ALC_T_TMP, buf); - if (try_call_res == ERTS_TRY_IMM_DRV_CALL_OK) - return ERTS_PORT_OP_DONE; - else + if (try_call_res != ERTS_TRY_IMM_DRV_CALL_OK) return ERTS_PORT_OP_DROPPED; + if (c_p) + BUMP_REDS(c_p, ERTS_PORT_REDS_CMD_OUTPUT); + return ERTS_PORT_OP_DONE; case ERTS_TRY_IMM_DRV_CALL_INVALID_SCHED_FLAGS: sched_flags = try_call_state.sched_flags; case ERTS_TRY_IMM_DRV_CALL_BUSY_LOCK: @@ -2267,6 +2271,8 @@ erts_port_exit(Process *c_p, reason, flags & ERTS_PORT_SIG_FLG_BROKEN_LINK); finalize_imm_drv_call(&try_call_state); + if (res == ERTS_PORT_OP_DONE && c_p) + BUMP_REDS(c_p, ERTS_PORT_REDS_EXIT); return res; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: @@ -2434,6 +2440,8 @@ erts_port_connect(Process *c_p, try_call_state.state, connect_id); finalize_imm_drv_call(&try_call_state); + if (res == ERTS_PORT_OP_DONE) + BUMP_REDS(c_p, ERTS_PORT_REDS_CONNECT); return res; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: @@ -2492,6 +2500,7 @@ erts_port_unlink(Process *c_p, Port *prt, Eterm from, Eterm *refp) case ERTS_TRY_IMM_DRV_CALL_OK: port_unlink(prt, from); finalize_imm_drv_call(&try_call_state); + BUMP_REDS(c_p, ERTS_PORT_REDS_UNLINK); return ERTS_PORT_OP_DONE; case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: return ERTS_PORT_OP_DROPPED; @@ -2579,6 +2588,7 @@ erts_port_link(Process *c_p, Port *prt, Eterm to, Eterm *refp) case ERTS_TRY_IMM_DRV_CALL_OK: port_link(prt, try_call_state.state, to); finalize_imm_drv_call(&try_call_state); + BUMP_REDS(c_p, ERTS_PORT_REDS_LINK); return ERTS_PORT_OP_DONE; case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: return ERTS_PORT_OP_BADARG; @@ -3944,6 +3954,7 @@ erts_port_control(Process* c_p, &hp, NULL, &c_p->off_heap); + BUMP_REDS(c_p, ERTS_PORT_REDS_CONTROL); return ERTS_PORT_OP_DONE; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: @@ -4244,6 +4255,7 @@ erts_port_call(Process* c_p, if (resp_buf != &resp_buf[0] && !(ret_flags & DRIVER_CALL_KEEP_BUFFER)) driver_free(resp_buf); + BUMP_REDS(c_p, ERTS_PORT_REDS_CALL); return ERTS_PORT_OP_DONE; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: @@ -4423,6 +4435,7 @@ erts_port_info(Process* c_p, *retvalp = copy_struct(value, used_h_size, &hp, &MSO(c_p)); free_message_buffer(bp); } + BUMP_REDS(c_p, ERTS_PORT_REDS_INFO); return ERTS_PORT_OP_DONE; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: @@ -4509,6 +4522,7 @@ erts_port_set_data(Process* c_p, prt->bp = bp; prt->data = set_data; finalize_imm_drv_call(&try_call_state); + BUMP_REDS(c_p, ERTS_PORT_REDS_SET_DATA); return ERTS_PORT_OP_DONE; case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: return ERTS_PORT_OP_DROPPED; @@ -4641,6 +4655,7 @@ erts_port_get_data(Process* c_p, free_message_buffer(bp); } *retvalp = TUPLE2(hp, am_ok, data); + BUMP_REDS(c_p, ERTS_PORT_REDS_GET_DATA); return ERTS_PORT_OP_DONE; } case ERTS_TRY_IMM_DRV_CALL_INVALID_PORT: |