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-rw-r--r--erts/emulator/beam/erl_alloc.h8
-rw-r--r--erts/emulator/beam/erl_alloc_util.c33
-rw-r--r--erts/emulator/beam/erl_alloc_util.h13
-rw-r--r--erts/emulator/beam/erlang_lttng.h99
4 files changed, 148 insertions, 5 deletions
diff --git a/erts/emulator/beam/erl_alloc.h b/erts/emulator/beam/erl_alloc.h
index 71e4713624..ee2013bd93 100644
--- a/erts/emulator/beam/erl_alloc.h
+++ b/erts/emulator/beam/erl_alloc.h
@@ -235,9 +235,9 @@ void *erts_alloc(ErtsAlcType_t type, Uint size)
void *res;
ERTS_MSACC_PUSH_AND_SET_STATE_X(ERTS_MSACC_STATE_ALLOC);
res = (*erts_allctrs[ERTS_ALC_T2A(type)].alloc)(
- ERTS_ALC_T2N(type),
- erts_allctrs[ERTS_ALC_T2A(type)].extra,
- size);
+ ERTS_ALC_T2N(type),
+ erts_allctrs[ERTS_ALC_T2A(type)].extra,
+ size);
if (!res)
erts_alloc_n_enomem(ERTS_ALC_T2N(type), size);
ERTS_MSACC_POP_STATE_X();
@@ -564,5 +564,3 @@ NAME##_free(TYPE *p) \
#undef ERTS_ALC_ATTRIBUTES
#endif /* #ifndef ERL_ALLOC_H__ */
-
-
diff --git a/erts/emulator/beam/erl_alloc_util.c b/erts/emulator/beam/erl_alloc_util.c
index 5e7dd7cce8..6e682019ba 100644
--- a/erts/emulator/beam/erl_alloc_util.c
+++ b/erts/emulator/beam/erl_alloc_util.c
@@ -52,6 +52,7 @@
#ifdef ERTS_ENABLE_LOCK_COUNT
#include "erl_lock_count.h"
#endif
+#include "lttng-wrapper.h"
#if defined(ERTS_ALLOC_UTIL_HARD_DEBUG) && defined(__GNUC__)
#warning "* * * * * * * * * *"
@@ -3125,6 +3126,7 @@ cpool_insert(Allctr_t *allctr, Carrier_t *crr)
erts_smp_atomic_set_wb(&crr->allctr,
((erts_aint_t) allctr)|ERTS_CRR_ALCTR_FLG_IN_POOL);
+ LTTNG3(carrier_pool_put, ERTS_ALC_A2AD(allctr->alloc_no), allctr->ix, CARRIER_SZ(crr));
}
static void
@@ -3240,6 +3242,7 @@ cpool_fetch(Allctr_t *allctr, UWord size)
first_old_traitor = allctr->cpool.traitor_list.next;
cpool_entrance = NULL;
+ LTTNG3(carrier_pool_get, ERTS_ALC_A2AD(allctr->alloc_no), allctr->ix, (unsigned long)size);
/*
* Search my own pooled_list,
* i.e my abandoned carriers that were in the pool last time I checked.
@@ -3925,6 +3928,21 @@ create_carrier(Allctr_t *allctr, Uint umem_sz, UWord flags)
}
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(carrier_create)) {
+ lttng_decl_carrier_stats(mbc_stats);
+ lttng_decl_carrier_stats(sbc_stats);
+ LTTNG_CARRIER_STATS_TO_LTTNG_STATS(&(allctr->mbcs), mbc_stats);
+ LTTNG_CARRIER_STATS_TO_LTTNG_STATS(&(allctr->sbcs), sbc_stats);
+ LTTNG5(carrier_create,
+ ERTS_ALC_A2AD(allctr->alloc_no),
+ allctr->ix,
+ crr_sz,
+ mbc_stats,
+ sbc_stats);
+ }
+#endif
+
DEBUG_SAVE_ALIGNMENT(crr);
return blk;
}
@@ -4148,6 +4166,21 @@ destroy_carrier(Allctr_t *allctr, Block_t *blk, Carrier_t **busy_pcrr_pp)
allctr->remove_mbc(allctr, crr);
}
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+ if (LTTNG_ENABLED(carrier_destroy)) {
+ lttng_decl_carrier_stats(mbc_stats);
+ lttng_decl_carrier_stats(sbc_stats);
+ LTTNG_CARRIER_STATS_TO_LTTNG_STATS(&(allctr->mbcs), mbc_stats);
+ LTTNG_CARRIER_STATS_TO_LTTNG_STATS(&(allctr->sbcs), sbc_stats);
+ LTTNG5(carrier_destroy,
+ ERTS_ALC_A2AD(allctr->alloc_no),
+ allctr->ix,
+ crr_sz,
+ mbc_stats,
+ sbc_stats);
+ }
+#endif
+
#ifdef ERTS_SMP
schedule_dealloc_carrier(allctr, crr);
#else
diff --git a/erts/emulator/beam/erl_alloc_util.h b/erts/emulator/beam/erl_alloc_util.h
index b7d717ed23..afdff1a71e 100644
--- a/erts/emulator/beam/erl_alloc_util.h
+++ b/erts/emulator/beam/erl_alloc_util.h
@@ -30,6 +30,7 @@
#endif
#include "erl_mseg.h"
+#include "lttng-wrapper.h"
#define ERTS_AU_PREF_ALLOC_BITS 11
#define ERTS_AU_MAX_PREF_ALLOC_INSTANCES (1 << ERTS_AU_PREF_ALLOC_BITS)
@@ -417,6 +418,18 @@ typedef struct {
} blocks;
} CarriersStats_t;
+#ifdef USE_LTTNG_VM_TRACEPOINTS
+#define LTTNG_CARRIER_STATS_TO_LTTNG_STATS(CSP, LSP) \
+ do { \
+ (LSP)->carriers.size = (CSP)->curr.norm.mseg.size \
+ + (CSP)->curr.norm.sys_alloc.size; \
+ (LSP)->carriers.no = (CSP)->curr.norm.mseg.no \
+ + (CSP)->curr.norm.sys_alloc.no; \
+ (LSP)->blocks.size = (CSP)->blocks.curr.size; \
+ (LSP)->blocks.no = (CSP)->blocks.curr.no; \
+ } while (0)
+#endif
+
#ifdef ERTS_SMP
typedef union ErtsAllctrDDBlock_t_ ErtsAllctrDDBlock_t;
diff --git a/erts/emulator/beam/erlang_lttng.h b/erts/emulator/beam/erlang_lttng.h
index 48956cf242..2fab6fb698 100644
--- a/erts/emulator/beam/erlang_lttng.h
+++ b/erts/emulator/beam/erlang_lttng.h
@@ -31,6 +31,105 @@
#include <lttng/tracepoint.h>
+#ifndef LTTNG_CARRIER_STATS
+#define LTTNG_CARRIER_STATS
+typedef struct {
+ unsigned long no;
+ unsigned long size;
+} lttng_stat_values_t;
+
+typedef struct {
+ lttng_stat_values_t carriers;
+ lttng_stat_values_t blocks;
+} lttng_carrier_stats_t;
+#endif
+
+
+/* Memory Allocator */
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ carrier_create,
+ TP_ARGS(
+ const char*, type,
+ int, instance,
+ unsigned long, size,
+ lttng_carrier_stats_t *, mbcs,
+ lttng_carrier_stats_t *, sbcs
+ ),
+ TP_FIELDS(
+ ctf_string(type, type)
+ ctf_integer(int, instance, instance)
+ ctf_integer(unsigned long, size, size)
+ ctf_float(float, mbc_ratio, (float)mbcs->blocks.size/(float)mbcs->carriers.size)
+ ctf_integer(unsigned long, mbc_carriers, mbcs->carriers.no)
+ ctf_integer(unsigned long, mbc_carriers_size, mbcs->carriers.size)
+ ctf_integer(unsigned long, mbc_blocks, mbcs->blocks.no)
+ ctf_integer(unsigned long, mbc_blocks_size, mbcs->blocks.size)
+ ctf_integer(unsigned long, sbc_carriers, sbcs->carriers.no)
+ ctf_integer(unsigned long, sbc_carriers_size, sbcs->carriers.size)
+ ctf_integer(unsigned long, sbc_blocks, sbcs->blocks.no)
+ ctf_integer(unsigned long, sbc_blocks_size, sbcs->blocks.size)
+ )
+)
+
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ carrier_destroy,
+ TP_ARGS(
+ const char*, type,
+ int, instance,
+ unsigned long, size,
+ lttng_carrier_stats_t *, mbcs,
+ lttng_carrier_stats_t *, sbcs
+ ),
+ TP_FIELDS(
+ ctf_string(type, type)
+ ctf_integer(int, instance, instance)
+ ctf_integer(unsigned long, size, size)
+ ctf_float(float, mbc_ratio, (float)mbcs->blocks.size/(float)mbcs->carriers.size)
+ ctf_integer(unsigned long, mbc_carriers, mbcs->carriers.no)
+ ctf_integer(unsigned long, mbc_carriers_size, mbcs->carriers.size)
+ ctf_integer(unsigned long, mbc_blocks, mbcs->blocks.no)
+ ctf_integer(unsigned long, mbc_blocks_size, mbcs->blocks.size)
+ ctf_integer(unsigned long, sbc_carriers, sbcs->carriers.no)
+ ctf_integer(unsigned long, sbc_carriers_size, sbcs->carriers.size)
+ ctf_integer(unsigned long, sbc_blocks, sbcs->blocks.no)
+ ctf_integer(unsigned long, sbc_blocks_size, sbcs->blocks.size)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ carrier_pool_put,
+ TP_ARGS(
+ const char*, name,
+ int, instance,
+ unsigned long, size
+ ),
+ TP_FIELDS(
+ ctf_string(type, name)
+ ctf_integer(int, instance, instance)
+ ctf_integer(unsigned long, size, size)
+ )
+)
+
+TRACEPOINT_EVENT(
+ com_ericsson_otp,
+ carrier_pool_get,
+ TP_ARGS(
+ const char*, name,
+ int, instance,
+ unsigned long, size
+ ),
+ TP_FIELDS(
+ ctf_string(type, name)
+ ctf_integer(int, instance, instance)
+ ctf_integer(unsigned long, size, size)
+ )
+)
+
#endif /* __ERLANG_LTTNG_H__ */
#include <lttng/tracepoint-event.h>
#endif /* USE_LTTNG */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 13:07:46 +0000