X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=probes%2Flttng-events.h;h=16e268044aefda3a77534605f6b67198ecc56474;hb=4133fce7c3dfbe61a954001c87931e9785453981;hp=beedb22b6bb4bce475dfb0ee03bd9f9ec389534f;hpb=dc7f600a24e263bba4a69d7c94ab9c0bda9bca02;p=lttng-modules.git diff --git a/probes/lttng-events.h b/probes/lttng-events.h index beedb22b..16e26804 100644 --- a/probes/lttng-events.h +++ b/probes/lttng-events.h @@ -1,3 +1,12 @@ +/* + * lttng-events.h + * + * Copyright (C) 2009 Steven Rostedt + * Copyright (C) 2010-2011 Mathieu Desnoyers + * + * Dual LGPL v2.1/GPL v2 license. + */ + #include #include "lttng.h" #include "lttng-types.h" @@ -259,7 +268,9 @@ static struct lttng_probe_desc TP_ID(__probe_desc___, TRACE_SYSTEM) = { __event_len += lib_ring_buffer_align(__event_len, ltt_alignof(u32)); \ __event_len += sizeof(u32); \ __event_len += lib_ring_buffer_align(__event_len, ltt_alignof(_type)); \ - __event_len += sizeof(_type) * (_length); + __dynamic_len[__dynamic_len_idx] = (_length); \ + __event_len += sizeof(_type) * __dynamic_len[__dynamic_len_idx]; \ + __dynamic_len_idx++; #undef __dynamic_array_text #define __dynamic_array_text(_type, _item, _length) \ @@ -461,17 +472,18 @@ __assign_##dest: \ goto __end_field_##dest; #undef tp_memcpy_dyn -#define tp_memcpy_dyn(dest, src, len) \ +#define tp_memcpy_dyn(dest, src) \ __assign_##dest##_1: \ { \ - u32 __tmpl = (len); \ + u32 __tmpl = __dynamic_len[__dynamic_len_idx]; \ lib_ring_buffer_align_ctx(&ctx, ltt_alignof(u32)); \ __chan->ops->event_write(&ctx, &__tmpl, sizeof(u32)); \ } \ goto __end_field_##dest##_1; \ __assign_##dest##_2: \ lib_ring_buffer_align_ctx(&ctx, ltt_alignof(__typemap.dest)); \ - __chan->ops->event_write(&ctx, src, len); \ + __chan->ops->event_write(&ctx, src, \ + sizeof(__typemap.dest) * __get_dynamic_array_len(dest));\ goto __end_field_##dest##_2; #undef tp_strcpy @@ -521,7 +533,7 @@ static void __event_probe__##_name(void *__data, _proto) \ return; \ __event_len = __event_get_size__##_name(__dynamic_len, _args); \ __event_align = __event_get_align__##_name(_args); \ - lib_ring_buffer_ctx_init(&ctx, __chan->chan, NULL, __event_len, \ + lib_ring_buffer_ctx_init(&ctx, __chan->chan, __event, __event_len, \ __event_align, -1); \ __ret = __chan->ops->event_reserve(&ctx, __event->id); \ if (__ret < 0) \