LCOV - code coverage report
Current view: top level - discof/exec - fd_exec_tile.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 0 237 0.0 %
Date: 2025-11-23 04:57:59 Functions: 0 10 0.0 %

          Line data    Source code
       1             : #include "../../disco/tiles.h"
       2             : #include "generated/fd_exec_tile_seccomp.h"
       3             : 
       4             : #include "../../util/pod/fd_pod_format.h"
       5             : #include "../../discof/replay/fd_exec.h"
       6             : #include "../../flamenco/fd_flamenco.h"
       7             : #include "../../flamenco/runtime/context/fd_capture_ctx.h"
       8             : #include "../../flamenco/runtime/fd_bank.h"
       9             : #include "../../flamenco/runtime/fd_runtime.h"
      10             : #include "../../flamenco/progcache/fd_progcache_user.h"
      11             : #include "../../flamenco/log_collector/fd_log_collector.h"
      12             : #include "../../disco/metrics/fd_metrics.h"
      13             : 
      14             : #include "../../funk/fd_funk.h"
      15             : 
      16             : /* The exec tile is responsible for executing single transactions. The
      17             :    tile recieves a parsed transaction (fd_txn_p_t) and an identifier to
      18             :    which bank to execute against (index into the bank pool). With this,
      19             :    the exec tile is able to identify the correct bank and accounts db
      20             :    handle (funk_txn) to execute the transaction against.  The exec tile
      21             :    then commits the results of the transaction to the accounts db and
      22             :    makes any necessary updates to the bank. */
      23             : 
      24             : typedef struct link_ctx {
      25             :   ulong       idx;
      26             :   fd_wksp_t * mem;
      27             :   ulong       chunk;
      28             :   ulong       chunk0;
      29             :   ulong       wmark;
      30             : } link_ctx_t;
      31             : 
      32             : typedef struct fd_exec_tile_ctx {
      33             :   ulong                 tile_idx;
      34             : 
      35             :   /* link-related data structures. */
      36             :   link_ctx_t            replay_in[ 1 ];
      37             :   link_ctx_t            exec_replay_out[ 1 ]; /* TODO: Remove with solcap v2 */
      38             :   link_ctx_t            exec_sig_out[ 1 ];
      39             : 
      40             :   fd_sha512_t           sha_mem[ FD_TXN_ACTUAL_SIG_MAX ];
      41             :   fd_sha512_t *         sha_lj[ FD_TXN_ACTUAL_SIG_MAX ];
      42             : 
      43             :   /* Capture context for debugging runtime execution. */
      44             :   fd_capture_ctx_t *    capture_ctx;
      45             :   uchar *               solcap_publish_buffer_ptr;
      46             :   ulong                 account_updates_flushed;
      47             : 
      48             :   /* A transaction can be executed as long as there is a valid handle to
      49             :      a funk_txn and a bank. These are queried from fd_banks_t and
      50             :      fd_funk_t. */
      51             :   fd_banks_t *          banks;
      52             :   fd_funk_t             funk[1];
      53             :   fd_progcache_t        progcache[1];
      54             : 
      55             :   fd_txncache_t *       txncache;
      56             : 
      57             :   /* We need to ensure that all solcap updates have been published
      58             :      before this message. */
      59             :   int                   pending_txn_finalized_msg;
      60             :   ulong                 txn_idx;
      61             :   ulong                 slot;
      62             :   ulong                 dispatch_time_comp;
      63             : 
      64             :   fd_exec_accounts_t    exec_accounts;
      65             :   fd_log_collector_t    log_collector;
      66             : 
      67             :   fd_bank_t *           bank;
      68             : 
      69             :   fd_txn_in_t           txn_in;
      70             :   fd_txn_out_t          txn_out;
      71             : 
      72             :   /* tracing_mem is staging memory to dump instructions/transactions
      73             :      into protobuf files.  tracing_mem is staging memory to output vm
      74             :      execution traces.
      75             :      TODO: This should not be compiled in prod. */
      76             :   uchar                 dumping_mem[ FD_SPAD_FOOTPRINT( 1UL<<28UL ) ] __attribute__((aligned(FD_SPAD_ALIGN)));
      77             :   uchar                 tracing_mem[ FD_MAX_INSTRUCTION_STACK_DEPTH ][ FD_RUNTIME_VM_TRACE_STATIC_FOOTPRINT ] __attribute__((aligned(FD_RUNTIME_VM_TRACE_STATIC_ALIGN)));
      78             : 
      79             :   fd_runtime_t runtime;
      80             : 
      81             : } fd_exec_tile_ctx_t;
      82             : 
      83             : FD_FN_CONST static inline ulong
      84           0 : scratch_align( void ) {
      85           0 :   return 128UL;
      86           0 : }
      87             : 
      88             : FD_FN_PURE static inline ulong
      89           0 : scratch_footprint( fd_topo_tile_t const * tile ) {
      90           0 :   ulong l = FD_LAYOUT_INIT;
      91           0 :   l = FD_LAYOUT_APPEND( l, alignof(fd_exec_tile_ctx_t), sizeof(fd_exec_tile_ctx_t)                         );
      92           0 :   l = FD_LAYOUT_APPEND( l, fd_capture_ctx_align(),      fd_capture_ctx_footprint()                         );
      93           0 :   l = FD_LAYOUT_APPEND( l, fd_txncache_align(),         fd_txncache_footprint( tile->exec.max_live_slots ) );
      94           0 :   l = FD_LAYOUT_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN,  FD_PROGCACHE_SCRATCH_FOOTPRINT                     );
      95           0 :   return FD_LAYOUT_FINI( l, scratch_align() );
      96           0 : }
      97             : 
      98             : static void
      99           0 : metrics_write( fd_exec_tile_ctx_t * ctx ) {
     100           0 :   fd_progcache_t * progcache = ctx->progcache;
     101           0 :   FD_MCNT_SET( EXEC, PROGCACHE_MISSES,        progcache->metrics->miss_cnt       );
     102           0 :   FD_MCNT_SET( EXEC, PROGCACHE_HITS,          progcache->metrics->hit_cnt        );
     103           0 :   FD_MCNT_SET( EXEC, PROGCACHE_FILLS,         progcache->metrics->fill_cnt       );
     104           0 :   FD_MCNT_SET( EXEC, PROGCACHE_FILL_TOT_SZ,   progcache->metrics->fill_tot_sz    );
     105           0 :   FD_MCNT_SET( EXEC, PROGCACHE_INVALIDATIONS, progcache->metrics->invalidate_cnt );
     106           0 :   FD_MCNT_SET( EXEC, PROGCACHE_DUP_INSERTS,   progcache->metrics->dup_insert_cnt );
     107           0 : }
     108             : 
     109             : static inline int
     110             : returnable_frag( fd_exec_tile_ctx_t * ctx,
     111             :                  ulong                in_idx,
     112             :                  ulong                seq FD_PARAM_UNUSED,
     113             :                  ulong                sig,
     114             :                  ulong                chunk,
     115             :                  ulong                sz,
     116             :                  ulong                ctl FD_PARAM_UNUSED,
     117             :                  ulong                tsorig FD_PARAM_UNUSED,
     118             :                  ulong                tspub,
     119           0 :                  fd_stem_context_t *  stem ) {
     120             : 
     121           0 :   if( (sig&0xFFFFFFFFUL)!=ctx->tile_idx ) return 0;
     122             : 
     123           0 :   if( FD_LIKELY( in_idx==ctx->replay_in->idx ) ) {
     124           0 :     if( FD_UNLIKELY( chunk < ctx->replay_in->chunk0 || chunk > ctx->replay_in->wmark ) ) {
     125           0 :       FD_LOG_ERR(( "chunk %lu %lu corrupt, not in range [%lu,%lu]", chunk, sz, ctx->replay_in->chunk0, ctx->replay_in->wmark ));
     126           0 :     }
     127           0 :     switch( sig>>32 ) {
     128           0 :       case FD_EXEC_TT_TXN_EXEC: {
     129             :         /* Execute. */
     130           0 :         fd_exec_txn_exec_msg_t * msg = fd_chunk_to_laddr( ctx->replay_in->mem, chunk );
     131           0 :         ctx->bank = fd_banks_bank_query( ctx->banks, msg->bank_idx );
     132           0 :         FD_TEST( ctx->bank );
     133           0 :         ctx->txn_in.txn           = &msg->txn;
     134           0 :         ctx->txn_in.exec_accounts = &ctx->exec_accounts;
     135             : 
     136           0 :         fd_runtime_prepare_and_execute_txn( &ctx->runtime, ctx->bank, &ctx->txn_in, &ctx->txn_out );
     137             : 
     138             :         /* Commit. */
     139           0 :         if( FD_LIKELY( ctx->txn_out.err.is_committable ) ) {
     140           0 :           fd_runtime_commit_txn( &ctx->runtime, ctx->bank, &ctx->txn_in, &ctx->txn_out );
     141           0 :         }
     142             : 
     143           0 :         if( FD_LIKELY( ctx->exec_sig_out->idx!=ULONG_MAX ) ) {
     144             :           /* Copy the txn signature to the signature out link so the
     145             :              dedup/pack tiles can drop already executed transactions. */
     146           0 :           memcpy( fd_chunk_to_laddr( ctx->exec_sig_out->mem, ctx->exec_sig_out->chunk ),
     147           0 :                   (uchar *)ctx->txn_in.txn->payload + TXN( ctx->txn_in.txn )->signature_off,
     148           0 :                   64UL );
     149           0 :           fd_stem_publish( stem, ctx->exec_sig_out->idx, 0UL, ctx->exec_sig_out->chunk, 64UL, 0UL, 0UL, 0UL );
     150           0 :           ctx->exec_sig_out->chunk = fd_dcache_compact_next( ctx->exec_sig_out->chunk, 64UL, ctx->exec_sig_out->chunk0, ctx->exec_sig_out->wmark );
     151           0 :         }
     152             : 
     153             :         /* Notify replay. */
     154           0 :         ctx->txn_idx                   = msg->txn_idx;
     155           0 :         ctx->dispatch_time_comp        = tspub;
     156           0 :         ctx->slot                      = fd_bank_slot_get( ctx->bank );
     157           0 :         ctx->pending_txn_finalized_msg = 1;
     158             : 
     159           0 :         break;
     160           0 :       }
     161           0 :       case FD_EXEC_TT_TXN_SIGVERIFY: {
     162           0 :         fd_exec_txn_sigverify_msg_t * msg = fd_chunk_to_laddr( ctx->replay_in->mem, chunk );
     163           0 :         int res = fd_executor_txn_verify( &msg->txn, ctx->sha_lj );
     164           0 :         fd_exec_task_done_msg_t * out_msg = fd_chunk_to_laddr( ctx->exec_replay_out->mem, ctx->exec_replay_out->chunk );
     165           0 :         out_msg->bank_idx               = msg->bank_idx;
     166           0 :         out_msg->txn_sigverify->txn_idx = msg->txn_idx;
     167           0 :         out_msg->txn_sigverify->err     = (res!=FD_RUNTIME_EXECUTE_SUCCESS);
     168           0 :         fd_stem_publish( stem, ctx->exec_replay_out->idx, (FD_EXEC_TT_TXN_SIGVERIFY<<32)|ctx->tile_idx, ctx->exec_replay_out->chunk, sizeof(*out_msg), 0UL, 0UL, 0UL );
     169           0 :         ctx->exec_replay_out->chunk = fd_dcache_compact_next( ctx->exec_replay_out->chunk, sizeof(*out_msg), ctx->exec_replay_out->chunk0, ctx->exec_replay_out->wmark );
     170           0 :         break;
     171           0 :       }
     172           0 :       default: FD_LOG_CRIT(( "unexpected signature %lu", sig ));
     173           0 :     }
     174           0 :   } else FD_LOG_CRIT(( "invalid in_idx %lu", in_idx ));
     175             : 
     176           0 :   return 0;
     177           0 : }
     178             : 
     179             : static void
     180             : unprivileged_init( fd_topo_t *      topo,
     181           0 :                    fd_topo_tile_t * tile ) {
     182             : 
     183             :   /********************************************************************/
     184             :   /* validate allocations                                             */
     185             :   /********************************************************************/
     186             : 
     187           0 :   void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
     188             : 
     189           0 :   FD_SCRATCH_ALLOC_INIT( l, scratch );
     190           0 :   fd_exec_tile_ctx_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_exec_tile_ctx_t), sizeof(fd_exec_tile_ctx_t) );
     191           0 :   void * capture_ctx_mem   = FD_SCRATCH_ALLOC_APPEND( l, fd_capture_ctx_align(),      fd_capture_ctx_footprint() );
     192           0 :   void * _txncache         = FD_SCRATCH_ALLOC_APPEND( l, fd_txncache_align(),         fd_txncache_footprint( tile->exec.max_live_slots ) );
     193           0 :   uchar * pc_scratch       = FD_SCRATCH_ALLOC_APPEND( l, FD_PROGCACHE_SCRATCH_ALIGN,  FD_PROGCACHE_SCRATCH_FOOTPRINT );
     194           0 :   ulong  scratch_alloc_mem = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
     195             : 
     196           0 :   if( FD_UNLIKELY( scratch_alloc_mem - (ulong)scratch  - scratch_footprint( tile ) ) ) {
     197           0 :     FD_LOG_ERR( ( "Scratch_alloc_mem did not match scratch_footprint diff: %lu alloc: %lu footprint: %lu",
     198           0 :       scratch_alloc_mem - (ulong)scratch - scratch_footprint( tile ),
     199           0 :       scratch_alloc_mem,
     200           0 :       (ulong)scratch + scratch_footprint( tile ) ) );
     201           0 :   }
     202             : 
     203           0 :   for( ulong i=0UL; i<FD_TXN_ACTUAL_SIG_MAX; i++ ) {
     204           0 :     fd_sha512_t * sha = fd_sha512_join( fd_sha512_new( ctx->sha_mem+i ) );
     205           0 :     FD_TEST( sha );
     206           0 :     ctx->sha_lj[i] = sha;
     207           0 :   }
     208             : 
     209             :   /********************************************************************/
     210             :   /* validate links                                                   */
     211             :   /********************************************************************/
     212             : 
     213           0 :   ctx->tile_idx = tile->kind_id;
     214             : 
     215             :   /* First find and setup the in-link from replay to exec. */
     216           0 :   ctx->replay_in->idx = fd_topo_find_tile_in_link( topo, tile, "replay_exec", 0UL );
     217           0 :   FD_TEST( ctx->replay_in->idx!=ULONG_MAX );
     218           0 :   fd_topo_link_t * replay_in_link = &topo->links[ tile->in_link_id[ ctx->replay_in->idx ] ];
     219           0 :   FD_TEST( replay_in_link!=NULL );
     220           0 :   ctx->replay_in->mem    = topo->workspaces[ topo->objs[ replay_in_link->dcache_obj_id ].wksp_id ].wksp;
     221           0 :   ctx->replay_in->chunk0 = fd_dcache_compact_chunk0( ctx->replay_in->mem, replay_in_link->dcache );
     222           0 :   ctx->replay_in->wmark  = fd_dcache_compact_wmark( ctx->replay_in->mem, replay_in_link->dcache, replay_in_link->mtu );
     223           0 :   ctx->replay_in->chunk  = ctx->replay_in->chunk0;
     224             : 
     225           0 :   ctx->exec_replay_out->idx = fd_topo_find_tile_out_link( topo, tile, "exec_replay", ctx->tile_idx );
     226           0 :   if( FD_LIKELY( ctx->exec_replay_out->idx!=ULONG_MAX ) ) {
     227           0 :     fd_topo_link_t * exec_replay_link = &topo->links[ tile->out_link_id[ ctx->exec_replay_out->idx ] ];
     228           0 :     ctx->exec_replay_out->mem    = topo->workspaces[ topo->objs[ exec_replay_link->dcache_obj_id ].wksp_id ].wksp;
     229           0 :     ctx->exec_replay_out->chunk0 = fd_dcache_compact_chunk0( ctx->exec_replay_out->mem, exec_replay_link->dcache );
     230           0 :     ctx->exec_replay_out->wmark  = fd_dcache_compact_wmark( ctx->exec_replay_out->mem, exec_replay_link->dcache, exec_replay_link->mtu );
     231           0 :     ctx->exec_replay_out->chunk  = ctx->exec_replay_out->chunk0;
     232           0 :   }
     233             : 
     234           0 :   ctx->exec_sig_out->idx = fd_topo_find_tile_out_link( topo, tile, "exec_sig", ctx->tile_idx );
     235           0 :   if( FD_LIKELY( ctx->exec_sig_out->idx!=ULONG_MAX ) ) {
     236           0 :     fd_topo_link_t * exec_sig_link = &topo->links[ tile->out_link_id[ ctx->exec_sig_out->idx ] ];
     237           0 :     ctx->exec_sig_out->mem    = topo->workspaces[ topo->objs[ exec_sig_link->dcache_obj_id ].wksp_id ].wksp;
     238           0 :     ctx->exec_sig_out->chunk0 = fd_dcache_compact_chunk0( ctx->exec_sig_out->mem, exec_sig_link->dcache );
     239           0 :     ctx->exec_sig_out->wmark  = fd_dcache_compact_wmark( ctx->exec_sig_out->mem, exec_sig_link->dcache, exec_sig_link->mtu );
     240           0 :     ctx->exec_sig_out->chunk  = ctx->exec_sig_out->chunk0;
     241           0 :   }
     242             : 
     243             :   /********************************************************************/
     244             :   /* banks                                                            */
     245             :   /********************************************************************/
     246             : 
     247           0 :   ulong banks_obj_id = fd_pod_queryf_ulong( topo->props, ULONG_MAX, "banks" );
     248           0 :   if( FD_UNLIKELY( banks_obj_id==ULONG_MAX ) ) {
     249           0 :     FD_LOG_ERR(( "Could not find topology object for banks" ));
     250           0 :   }
     251             : 
     252           0 :   ctx->banks = fd_banks_join( fd_topo_obj_laddr( topo, banks_obj_id ) );
     253           0 :   if( FD_UNLIKELY( !ctx->banks ) ) {
     254           0 :     FD_LOG_ERR(( "Failed to join banks" ));
     255           0 :   }
     256             : 
     257           0 :   void * shfunk = fd_topo_obj_laddr( topo, tile->exec.funk_obj_id );
     258           0 :   if( FD_UNLIKELY( !fd_funk_join( ctx->funk, shfunk ) ) ) {
     259           0 :     FD_LOG_CRIT(( "fd_funk_join(accdb) failed" ));
     260           0 :   }
     261             : 
     262           0 :   void * shprogcache = fd_topo_obj_laddr( topo, tile->exec.progcache_obj_id );
     263           0 :   if( FD_UNLIKELY( !fd_progcache_join( ctx->progcache, shprogcache, pc_scratch, FD_PROGCACHE_SCRATCH_FOOTPRINT ) ) ) {
     264           0 :     FD_LOG_CRIT(( "fd_progcache_join() failed" ));
     265           0 :   }
     266             : 
     267           0 :   void * _txncache_shmem = fd_topo_obj_laddr( topo, tile->exec.txncache_obj_id );
     268           0 :   fd_txncache_shmem_t * txncache_shmem = fd_txncache_shmem_join( _txncache_shmem );
     269           0 :   FD_TEST( txncache_shmem );
     270           0 :   ctx->txncache = fd_txncache_join( fd_txncache_new( _txncache, txncache_shmem ) );
     271           0 :   FD_TEST( ctx->txncache );
     272             : 
     273           0 :   ctx->txn_in.bundle.is_bundle = 0;
     274             : 
     275             :   /********************************************************************/
     276             :   /* Capture context                                                 */
     277             :   /********************************************************************/
     278             : 
     279           0 :   ctx->capture_ctx               = NULL;
     280           0 :   ctx->solcap_publish_buffer_ptr = NULL;
     281           0 :   ctx->account_updates_flushed   = 0UL;
     282           0 :   if( FD_UNLIKELY( strlen( tile->exec.solcap_capture ) || strlen( tile->exec.dump_proto_dir ) ) ) {
     283           0 :     ctx->capture_ctx = fd_capture_ctx_join( fd_capture_ctx_new( capture_ctx_mem ) );
     284             : 
     285           0 :     if( strlen( tile->exec.dump_proto_dir ) ) {
     286           0 :       ctx->capture_ctx->dump_proto_output_dir = tile->exec.dump_proto_dir;
     287           0 :       ctx->capture_ctx->dump_proto_start_slot = tile->exec.capture_start_slot;
     288           0 :       ctx->capture_ctx->dump_instr_to_pb      = tile->exec.dump_instr_to_pb;
     289           0 :       ctx->capture_ctx->dump_txn_to_pb        = tile->exec.dump_txn_to_pb;
     290           0 :       ctx->capture_ctx->dump_syscall_to_pb    = tile->exec.dump_syscall_to_pb;
     291           0 :       ctx->capture_ctx->dump_elf_to_pb        = tile->exec.dump_elf_to_pb;
     292           0 :     }
     293             : 
     294           0 :     if( strlen( tile->exec.solcap_capture ) ) {
     295           0 :       ctx->capture_ctx->capture_txns      = 0;
     296           0 :       ctx->capture_ctx->solcap_start_slot = tile->exec.capture_start_slot;
     297           0 :       ctx->account_updates_flushed        = 0;
     298           0 :       ctx->solcap_publish_buffer_ptr      = ctx->capture_ctx->account_updates_buffer;
     299           0 :     }
     300           0 :   }
     301             : 
     302           0 :   ctx->pending_txn_finalized_msg = 0;
     303             : 
     304             :   /********************************************************************/
     305             :   /* Runtime                                                          */
     306             :   /********************************************************************/
     307             : 
     308           0 :   ctx->runtime = (fd_runtime_t) {
     309           0 :     .funk         = ctx->funk,
     310           0 :     .status_cache = ctx->txncache,
     311           0 :     .progcache    = ctx->progcache,
     312           0 :     .log          = {
     313           0 :       .dumping_mem   = ctx->dumping_mem,
     314           0 :       .tracing_mem   = &ctx->tracing_mem[0][0],
     315           0 :       .log_collector = &ctx->log_collector,
     316           0 :       .capture_ctx   = ctx->capture_ctx,
     317           0 :     }
     318           0 :   };
     319           0 : }
     320             : 
     321             : /* Publish the next account update event buffered in the capture tile to the replay tile
     322             : 
     323             :    TODO: remove this when solcap v2 is here. */
     324             : static void
     325             : publish_next_capture_ctx_account_update( fd_exec_tile_ctx_t * ctx,
     326           0 :                                          fd_stem_context_t *  stem ) {
     327           0 :   if( FD_UNLIKELY( !ctx->capture_ctx ) ) {
     328           0 :     return;
     329           0 :   }
     330             : 
     331             :   /* Copy the account update event to the buffer */
     332           0 :   ulong chunk     = ctx->exec_replay_out->chunk;
     333           0 :   uchar * out_ptr = fd_chunk_to_laddr( ctx->exec_replay_out->mem, chunk );
     334           0 :   fd_capture_ctx_account_update_msg_t * msg = (fd_capture_ctx_account_update_msg_t *)ctx->solcap_publish_buffer_ptr;
     335           0 :   memcpy( out_ptr, msg, sizeof(fd_capture_ctx_account_update_msg_t) );
     336           0 :   ctx->solcap_publish_buffer_ptr += sizeof(fd_capture_ctx_account_update_msg_t);
     337           0 :   out_ptr                        += sizeof(fd_capture_ctx_account_update_msg_t);
     338             : 
     339             :   /* Copy the data to the buffer */
     340           0 :   ulong data_sz = msg->data_sz;
     341           0 :   memcpy( out_ptr, ctx->solcap_publish_buffer_ptr, data_sz );
     342           0 :   ctx->solcap_publish_buffer_ptr += data_sz;
     343           0 :   out_ptr                        += data_sz;
     344             : 
     345             :   /* Stem publish the account update event */
     346           0 :   ulong msg_sz = sizeof(fd_capture_ctx_account_update_msg_t) + msg->data_sz;
     347           0 :   fd_stem_publish( stem, ctx->exec_replay_out->idx, 0UL, chunk, msg_sz, 0UL, 0UL, 0UL );
     348           0 :   ctx->exec_replay_out->chunk = fd_dcache_compact_next(
     349           0 :     chunk,
     350           0 :     msg_sz,
     351           0 :     ctx->exec_replay_out->chunk0,
     352           0 :     ctx->exec_replay_out->wmark );
     353             : 
     354             :   /* Advance the number of account updates flushed */
     355           0 :   ctx->account_updates_flushed++;
     356             : 
     357             :   /* If we have published all the account updates, reset the buffer pointer and length */
     358           0 :   if( ctx->account_updates_flushed == ctx->capture_ctx->account_updates_len ) {
     359           0 :     ctx->capture_ctx->account_updates_buffer_ptr = ctx->capture_ctx->account_updates_buffer;
     360           0 :     ctx->solcap_publish_buffer_ptr               = ctx->capture_ctx->account_updates_buffer;
     361           0 :     ctx->capture_ctx->account_updates_len        = 0UL;
     362           0 :     ctx->account_updates_flushed                 = 0UL;
     363           0 :   }
     364           0 : }
     365             : 
     366             : /* Publish the txn finalized message to the replay tile */
     367             : static void
     368             : publish_txn_finalized_msg( fd_exec_tile_ctx_t * ctx,
     369           0 :                            fd_stem_context_t *  stem ) {
     370           0 :   fd_exec_task_done_msg_t * msg  = fd_chunk_to_laddr( ctx->exec_replay_out->mem, ctx->exec_replay_out->chunk );
     371           0 :   msg->bank_idx                  = ctx->bank->idx;
     372           0 :   msg->txn_exec->txn_idx         = ctx->txn_idx;
     373           0 :   msg->txn_exec->err             = !ctx->txn_out.err.is_committable;
     374           0 :   msg->txn_exec->slot            = ctx->slot;
     375           0 :   msg->txn_exec->start_shred_idx = ctx->txn_in.txn->start_shred_idx;
     376           0 :   msg->txn_exec->end_shred_idx   = ctx->txn_in.txn->end_shred_idx;
     377           0 :   if( FD_UNLIKELY( msg->txn_exec->err ) ) {
     378           0 :     FD_LOG_WARNING(( "txn failed to execute, bad block detected err=%d", ctx->txn_out.err.txn_err ));
     379           0 :   }
     380             : 
     381           0 :   fd_stem_publish( stem, ctx->exec_replay_out->idx, (FD_EXEC_TT_TXN_EXEC<<32)|ctx->tile_idx, ctx->exec_replay_out->chunk, sizeof(*msg), 0UL, ctx->dispatch_time_comp, fd_frag_meta_ts_comp( fd_tickcount() ) );
     382             : 
     383           0 :   ctx->exec_replay_out->chunk = fd_dcache_compact_next( ctx->exec_replay_out->chunk, sizeof(*msg), ctx->exec_replay_out->chunk0, ctx->exec_replay_out->wmark );
     384             : 
     385           0 :   ctx->pending_txn_finalized_msg = 0;
     386           0 : }
     387             : 
     388             : static void
     389             : after_credit( fd_exec_tile_ctx_t * ctx,
     390             :               fd_stem_context_t *  stem,
     391             :               int *                opt_poll_in,
     392           0 :               int *                charge_busy FD_PARAM_UNUSED ) {
     393             :   /* If we have outstanding account updates to send to solcap, send
     394             :      them.  Note that we set opt_poll_in to 0 here because we must not
     395             :      consume any more fragments from the exec tiles before publishing
     396             :      our messages, so that solcap updates are not interleaved between
     397             :      slots. */
     398           0 :   if( FD_UNLIKELY( ctx->capture_ctx && ctx->account_updates_flushed < ctx->capture_ctx->account_updates_len ) ) {
     399           0 :     publish_next_capture_ctx_account_update( ctx, stem );
     400           0 :     *opt_poll_in = 0;
     401           0 :   } else if( ctx->pending_txn_finalized_msg ) {
     402           0 :     publish_txn_finalized_msg( ctx, stem );
     403           0 :     *opt_poll_in = 0;
     404           0 :   }
     405           0 : }
     406             : 
     407             : static ulong
     408             : populate_allowed_seccomp( fd_topo_t const *      topo FD_PARAM_UNUSED,
     409             :                           fd_topo_tile_t const * tile FD_PARAM_UNUSED,
     410             :                           ulong                  out_cnt,
     411           0 :                           struct sock_filter *   out ) {
     412           0 :   populate_sock_filter_policy_fd_exec_tile( out_cnt, out, (uint)fd_log_private_logfile_fd() );
     413           0 :   return sock_filter_policy_fd_exec_tile_instr_cnt;
     414           0 : }
     415             : 
     416             : static ulong
     417             : populate_allowed_fds( fd_topo_t const *      topo FD_PARAM_UNUSED,
     418             :                       fd_topo_tile_t const * tile FD_PARAM_UNUSED,
     419             :                       ulong                  out_fds_cnt,
     420           0 :                       int *                  out_fds ) {
     421             : 
     422           0 :   if( FD_UNLIKELY( out_fds_cnt<2UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
     423             : 
     424           0 :   ulong out_cnt = 0UL;
     425           0 :   out_fds[ out_cnt++ ] = 2; /* stderr */
     426           0 :   if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
     427           0 :     out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
     428           0 :   return out_cnt;
     429           0 : }
     430             : 
     431           0 : #define STEM_BURST (2UL)
     432             : /* Right now, depth of the replay_exec link and depth of the exec_replay
     433             :    links is 16K.  At 1M TPS, that's ~16ms to fill.  But we also want to
     434             :    be conservative here, so we use 1ms. */
     435           0 : #define STEM_LAZY  (1000000UL)
     436             : 
     437           0 : #define STEM_CALLBACK_CONTEXT_TYPE  fd_exec_tile_ctx_t
     438           0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_exec_tile_ctx_t)
     439             : 
     440           0 : #define STEM_CALLBACK_AFTER_CREDIT    after_credit
     441           0 : #define STEM_CALLBACK_RETURNABLE_FRAG returnable_frag
     442           0 : #define STEM_CALLBACK_METRICS_WRITE   metrics_write
     443             : 
     444             : #include "../../disco/stem/fd_stem.c"
     445             : 
     446             : fd_topo_run_tile_t fd_tile_execor = {
     447             :   .name                     = "exec",
     448             :   .loose_footprint          = 0UL,
     449             :   .populate_allowed_seccomp = populate_allowed_seccomp,
     450             :   .populate_allowed_fds     = populate_allowed_fds,
     451             :   .scratch_align            = scratch_align,
     452             :   .scratch_footprint        = scratch_footprint,
     453             :   .unprivileged_init        = unprivileged_init,
     454             :   .run                      = stem_run,
     455             : };

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