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author | Björn-Egil Dahlberg <egil@erlang.org> | 2015-08-14 18:20:51 +0200 |
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committer | Björn-Egil Dahlberg <egil@erlang.org> | 2016-04-06 17:23:55 +0200 |
commit | ce5d152cd863b68dcc2b5c7a566d1e5e1a5c5dab (patch) | |
tree | 9703bd180d952b099011b9d10398fd2dc7ca398d | |
parent | 955cd62970391b40123f2b9dee3bb3380233c17e (diff) | |
download | otp-ce5d152cd863b68dcc2b5c7a566d1e5e1a5c5dab.tar.gz otp-ce5d152cd863b68dcc2b5c7a566d1e5e1a5c5dab.tar.bz2 otp-ce5d152cd863b68dcc2b5c7a566d1e5e1a5c5dab.zip |
erts: Add lttng tracepoints for memory carriers
* carrier_create
* carrier_destroy
* carrier_pool_put
* carrier_pool_get
-rw-r--r-- | erts/emulator/beam/erl_alloc.h | 8 | ||||
-rw-r--r-- | erts/emulator/beam/erl_alloc_util.c | 33 | ||||
-rw-r--r-- | erts/emulator/beam/erl_alloc_util.h | 13 | ||||
-rw-r--r-- | erts/emulator/beam/erlang_lttng.h | 99 |
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 */ |