diff options
Diffstat (limited to 'erts/emulator/beam/erl_async.c')
| -rw-r--r-- | erts/emulator/beam/erl_async.c | 53 |
1 files changed, 45 insertions, 8 deletions
diff --git a/erts/emulator/beam/erl_async.c b/erts/emulator/beam/erl_async.c index f071898046..84254af0c2 100644 --- a/erts/emulator/beam/erl_async.c +++ b/erts/emulator/beam/erl_async.c @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2000-2013. All Rights Reserved. + * Copyright Ericsson AB 2000-2016. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -28,6 +28,7 @@ #include "erl_thr_queue.h" #include "erl_async.h" #include "dtrace-wrapper.h" +#include "lttng-wrapper.h" #define ERTS_MAX_ASYNC_READY_CALLS_IN_SEQ 20 @@ -167,7 +168,6 @@ async_ready_q(Uint sched_id) #endif - void erts_init_async(void) { @@ -282,6 +282,13 @@ static ERTS_INLINE void async_add(ErtsAsync *a, ErtsAsyncQ* q) #endif erts_thr_q_enqueue(&q->thr_q, a); +#ifdef USE_LTTNG_VM_TRACEPOINTS + if (LTTNG_ENABLED(aio_pool_put)) { + lttng_decl_portbuf(port_str); + lttng_portid_to_str(a->port, port_str); + LTTNG2(aio_pool_put, port_str, -1); + } +#endif #ifdef USE_VM_PROBES if (DTRACE_ENABLED(aio_pool_add)) { DTRACE_CHARBUF(port_str, 16); @@ -318,6 +325,14 @@ static ERTS_INLINE ErtsAsync *async_get(ErtsThrQ_t *q, if (saved_fin_deq) erts_thr_q_append_finalize_dequeue_data(&a->q.fin_deq, &fin_deq); #endif +#ifdef USE_LTTNG_VM_TRACEPOINTS + if (LTTNG_ENABLED(aio_pool_get)) { + lttng_decl_portbuf(port_str); + int length = erts_thr_q_length_dirty(q); + lttng_portid_to_str(a->port, port_str); + LTTNG2(aio_pool_get, port_str, length); + } +#endif #ifdef USE_VM_PROBES if (DTRACE_ENABLED(aio_pool_get)) { DTRACE_CHARBUF(port_str, 16); @@ -401,13 +416,19 @@ static ERTS_INLINE void call_async_ready(ErtsAsync *a) ERTS_PORT_SFLGS_INVALID_DRIVER_LOOKUP); #endif if (!p) { - if (a->async_free) + if (a->async_free) { + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_PORT); a->async_free(a->async_data); + ERTS_MSACC_POP_STATE(); + } } else { if (async_ready(p, a->async_data)) { - if (a->async_free) + if (a->async_free) { + ERTS_MSACC_PUSH_AND_SET_STATE(ERTS_MSACC_STATE_PORT); a->async_free(a->async_data); + ERTS_MSACC_POP_STATE(); + } } #if ERTS_USE_ASYNC_READY_Q erts_port_release(p); @@ -461,6 +482,8 @@ static erts_tse_t *async_thread_init(ErtsAsyncQ *aq) { ErtsThrQInit_t qinit = ERTS_THR_Q_INIT_DEFAULT; erts_tse_t *tse = erts_tse_fetch(); + ERTS_DECLARE_DUMMY(Uint no); + #ifdef ERTS_SMP ErtsThrPrgrCallbacks callbacks; @@ -484,10 +507,12 @@ static erts_tse_t *async_thread_init(ErtsAsyncQ *aq) /* Inform main thread that we are done initializing... */ erts_mtx_lock(&async->init.data.mtx); - async->init.data.no_initialized++; + no = async->init.data.no_initialized++; erts_cnd_signal(&async->init.data.cnd); erts_mtx_unlock(&async->init.data.mtx); + erts_msacc_init_thread("async", no, 0); + return tse; } @@ -495,6 +520,7 @@ static void *async_main(void* arg) { ErtsAsyncQ *aq = (ErtsAsyncQ *) arg; erts_tse_t *tse = async_thread_init(aq); + ERTS_MSACC_DECLARE_CACHE(); while (1) { ErtsThrQPrepEnQ_t *prep_enq; @@ -502,11 +528,14 @@ static void *async_main(void* arg) if (is_nil(a->port)) break; /* Time to die */ + ERTS_MSACC_UPDATE_CACHE(); + #if ERTS_ASYNC_PRINT_JOB erts_fprintf(stderr, "<- %ld\n", a->async_id); #endif - + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); a->async_invoke(a->async_data); + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_OTHER); async_reply(a, prep_enq); } @@ -629,10 +658,13 @@ long driver_async(ErlDrvPort ix, unsigned int* key, unsigned int qix; #if ERTS_USE_ASYNC_READY_Q Uint sched_id; + ERTS_MSACC_PUSH_STATE(); sched_id = erts_get_scheduler_id(); if (!sched_id) sched_id = 1; +#else + ERTS_MSACC_PUSH_STATE(); #endif prt = erts_drvport2port(ix); @@ -685,12 +717,17 @@ long driver_async(ErlDrvPort ix, unsigned int* key, return id; } #endif - + + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); (*a->async_invoke)(a->async_data); + ERTS_MSACC_POP_STATE(); if (async_ready(prt, a->async_data)) { - if (a->async_free != NULL) + if (a->async_free != NULL) { + ERTS_MSACC_SET_STATE_CACHED(ERTS_MSACC_STATE_PORT); (*a->async_free)(a->async_data); + ERTS_MSACC_POP_STATE(); + } } erts_free(ERTS_ALC_T_ASYNC, (void *) a); |