diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/erl_gc.c | 49 | ||||
-rw-r--r-- | erts/emulator/test/driver_SUITE.erl | 6 | ||||
-rw-r--r-- | erts/emulator/test/driver_SUITE_data/timer_drv.c | 44 |
3 files changed, 63 insertions, 36 deletions
diff --git a/erts/emulator/beam/erl_gc.c b/erts/emulator/beam/erl_gc.c index 75f8ebefbd..1495d06459 100644 --- a/erts/emulator/beam/erl_gc.c +++ b/erts/emulator/beam/erl_gc.c @@ -535,9 +535,19 @@ young_gen_usage(Process *p) if (p->flags & F_ON_HEAP_MSGQ) { ErtsMessage *mp; - for (mp = p->msg.first; mp; mp = mp->next) + for (mp = p->msg.first; mp; mp = mp->next) { + /* + * We leave not yet decoded distribution messages + * as they are in the queue since it is not + * possible to determine a maximum size until + * actual decoding. However, we use their estimated + * size when calculating need, and by this making + * it more likely that they will fit on the heap + * when actually decoded. + */ if (mp->data.attached) hsz += erts_msg_attached_data_size(mp); + } } aheap = p->abandoned_heap; @@ -2258,37 +2268,22 @@ move_msgq_to_heap(Process *p) if (mp->data.attached) { ErlHeapFragment *bp; - ErtsHeapFactory factory; - - erts_factory_proc_prealloc_init(&factory, p, - erts_msg_attached_data_size(mp)); - - if (is_non_value(ERL_MESSAGE_TERM(mp))) { - if (mp->data.dist_ext) { - ASSERT(mp->data.dist_ext->heap_size >= 0); - if (is_not_nil(ERL_MESSAGE_TOKEN(mp))) { - bp = erts_dist_ext_trailer(mp->data.dist_ext); - ERL_MESSAGE_TOKEN(mp) = copy_struct(ERL_MESSAGE_TOKEN(mp), - bp->used_size, - &factory.hp, - factory.off_heap); - erts_cleanup_offheap(&bp->off_heap); - } - ERL_MESSAGE_TERM(mp) = erts_decode_dist_ext(&factory, - mp->data.dist_ext); - erts_free_dist_ext_copy(mp->data.dist_ext); - mp->data.dist_ext = NULL; - } - } - else { + + /* + * We leave not yet decoded distribution messages + * as they are in the queue since it is not + * possible to determine a maximum size until + * actual decoding... + */ + if (is_value(ERL_MESSAGE_TERM(mp))) { bp = erts_message_to_heap_frag(mp); if (bp->next) - erts_move_multi_frags(&factory.hp, factory.off_heap, bp, + erts_move_multi_frags(&p->htop, &p->off_heap, bp, mp->m, ERL_MESSAGE_REF_ARRAY_SZ, 0); else - copy_one_frag(&factory.hp, factory.off_heap, bp, + copy_one_frag(&p->htop, &p->off_heap, bp, mp->m, ERL_MESSAGE_REF_ARRAY_SZ); if (mp->data.attached != ERTS_MSG_COMBINED_HFRAG) { @@ -2305,8 +2300,6 @@ move_msgq_to_heap(Process *p) mp = new_mp; } } - - erts_factory_close(&factory); } mpp = &(*mpp)->next; diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index 1df72193a6..2fbf6eae61 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -452,11 +452,7 @@ timer_delay(Config) when is_list(Config) -> TimeBefore = erlang:monotonic_time(), Timeout0 = 350, erlang:port_command(Port, <<?DELAY_START_TIMER,Timeout0:32>>), - Timeout = Timeout0 + - case os:type() of - {win32,_} -> 0; %Driver doesn't sleep on Windows. - _ -> 1000 - end, + Timeout = Timeout0 + 1000, receive {Port,{data,[?TIMER]}} -> Elapsed = erl_millisecs() - erl_millisecs(TimeBefore), diff --git a/erts/emulator/test/driver_SUITE_data/timer_drv.c b/erts/emulator/test/driver_SUITE_data/timer_drv.c index 57538e0d57..c3ce3b6e49 100644 --- a/erts/emulator/test/driver_SUITE_data/timer_drv.c +++ b/erts/emulator/test/driver_SUITE_data/timer_drv.c @@ -1,5 +1,13 @@ #include <stdio.h> #include "erl_driver.h" +#ifdef __WIN32__ +# include <windows.h> +#else +# include <sys/time.h> +# include <sys/types.h> +# include <sys/select.h> +# include <unistd.h> +#endif #define get_int32(s) ((((unsigned char*) (s))[0] << 24) | \ (((unsigned char*) (s))[1] << 16) | \ @@ -17,6 +25,7 @@ static ErlDrvData timer_start(ErlDrvPort, char*); static void timer_stop(ErlDrvData); static void timer_read(ErlDrvData, char*, ErlDrvSizeT); static void timer(ErlDrvData); +static void ms_sleep(int ms); static ErlDrvEntry timer_driver_entry = { @@ -75,9 +84,7 @@ static void timer_read(ErlDrvData p, char *buf, ErlDrvSizeT len) reply[0] = CANCELLED; driver_output(port, reply, 1); } else if (buf[0] == DELAY_START_TIMER) { -#ifndef __WIN32__ - sleep(1); -#endif + ms_sleep(1000); driver_set_timer(port, get_int32(buf + 1)); } } @@ -95,3 +102,34 @@ static void timer(ErlDrvData port) reply[0] = TIMER; driver_output((ErlDrvPort)port, reply, 1); } + +static void +ms_sleep(int ms) +{ + /* Important that we do not return too early... */ + ErlDrvTime time, timeout_time; + + time = erl_drv_monotonic_time(ERL_DRV_USEC); + + timeout_time = time + ((ErlDrvTime) ms)*1000; + + while (time < timeout_time) { + ErlDrvTime timeout = timeout_time - time; + +#ifdef __WIN32__ + Sleep((DWORD) (timeout / 1000)); +#else + { + struct timeval tv; + + tv.tv_sec = (long) timeout / (1000*1000); + tv.tv_usec = (long) timeout % (1000*1000); + + select(0, NULL, NULL, NULL, &tv); + } +#endif + + time = erl_drv_monotonic_time(ERL_DRV_USEC); + } + +} |