LCOV - code coverage report
Current view: top level - app/shared/commands/watch - watch.c (source / functions) Hit Total Coverage
Test: cov.lcov Lines: 0 376 0.0 %
Date: 2025-10-13 04:42:14 Functions: 0 19 0.0 %

          Line data    Source code
       1             : #include "watch.h"
       2             : #include "generated/watch_seccomp.h"
       3             : 
       4             : #include "../../../../discof/restore/fd_snaprd_tile.h"
       5             : #include "../../../../disco/metrics/fd_metrics.h"
       6             : 
       7             : #include <errno.h>
       8             : #include <unistd.h>
       9             : #include <sys/resource.h>
      10             : #include <linux/capability.h>
      11             : 
      12             : void
      13             : watch_cmd_perm( args_t *         args FD_PARAM_UNUSED,
      14             :                 fd_cap_chk_t *   chk,
      15           0 :                 config_t const * config ) {
      16           0 :   ulong mlock_limit = fd_topo_mlock( &config->topo );
      17             : 
      18           0 :   fd_cap_chk_raise_rlimit( chk, "watch", RLIMIT_MEMLOCK, mlock_limit, "call `rlimit(2)` to increase `RLIMIT_MEMLOCK` so all memory can be locked with `mlock(2)`" );
      19             : 
      20           0 :   if( fd_sandbox_requires_cap_sys_admin( config->uid, config->gid ) )
      21           0 :     fd_cap_chk_cap( chk, "watch", CAP_SYS_ADMIN,               "call `unshare(2)` with `CLONE_NEWUSER` to sandbox the process in a user namespace" );
      22           0 :   if( FD_LIKELY( getuid() != config->uid ) )
      23           0 :     fd_cap_chk_cap( chk, "watch", CAP_SETUID,                  "call `setresuid(2)` to switch uid to the sanbox user" );
      24           0 :   if( FD_LIKELY( getgid() != config->gid ) )
      25           0 :     fd_cap_chk_cap( chk, "watch", CAP_SETGID,                  "call `setresgid(2)` to switch gid to the sandbox user" );
      26           0 : }
      27             : 
      28             : 
      29             : ulong lines_printed = 5UL;
      30             : int ended_on_newline = 1;
      31             : 
      32             : static int
      33           0 : drain( int fd ) {
      34           0 :   int needs_reprint = 0;
      35             : 
      36           0 :   while( 1 ) {
      37           0 :     uchar buf[ 16384UL ];
      38           0 :     long result = read( fd, buf, sizeof(buf) );
      39           0 :     if( FD_UNLIKELY( -1==result && errno==EAGAIN ) ) break;
      40           0 :     else if( FD_UNLIKELY( -1==result ) ) FD_LOG_ERR(( "read() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
      41             : 
      42           0 :     if( FD_LIKELY( !needs_reprint ) ) {
      43             :       /* move up n lines, delete n lines, and restore cursor and clear to end of screen */
      44           0 :       char erase[ 128UL ];
      45           0 :       ulong term_len = 0UL;
      46           0 :       if( FD_UNLIKELY( !ended_on_newline ) ) {
      47           0 :         FD_TEST( fd_cstr_printf_check( erase, 128UL, &term_len, "\033[%luA\033[%luM\033[1A\033[0J", lines_printed, lines_printed ) );
      48           0 :       } else {
      49           0 :         FD_TEST( fd_cstr_printf_check( erase, 128UL, &term_len, "\033[%luA\033[%luM\033[0J", lines_printed, lines_printed ) );
      50           0 :       }
      51             : 
      52           0 :       ulong erase_written = 0L;
      53           0 :       while( erase_written<term_len ) {
      54           0 :         long w = write( STDOUT_FILENO, erase+erase_written, term_len-erase_written );
      55           0 :         if( FD_UNLIKELY( -1==w && errno==EAGAIN ) ) continue;
      56           0 :         else if( FD_UNLIKELY( -1==w ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
      57           0 :         erase_written += (ulong)w;
      58           0 :       }
      59           0 :     }
      60           0 :     needs_reprint = 1;
      61             : 
      62           0 :     long written = 0L;
      63           0 :     while( written<result ) {
      64           0 :       long w = write( STDOUT_FILENO, buf+written, (ulong)result-(ulong)written );
      65           0 :       if( FD_UNLIKELY( -1==w && errno==EAGAIN ) ) continue;
      66           0 :       else if( FD_UNLIKELY( -1==w ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
      67           0 :       written += w;
      68           0 :     }
      69             : 
      70           0 :     ended_on_newline = buf[ (ulong)result-1UL ]=='\n';
      71           0 :   }
      72             : 
      73           0 :   return needs_reprint;
      74           0 : }
      75             : 
      76             : static char *
      77             : fmt_bytes( char * buf,
      78             :            ulong  buf_sz,
      79           0 :            long   bytes ) {
      80           0 :   char * tmp = fd_alloca_check( 1UL, buf_sz );
      81           0 :   if( FD_LIKELY( 8L*bytes<1000L ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%ld bits", 8L*bytes ) );
      82           0 :   else if( FD_LIKELY( 8L*bytes<1000000L ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f Kbit", (double)(8L*bytes)/1000.0 ) );
      83           0 :   else if( FD_LIKELY( 8L*bytes<1000000000L ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f Mbit", (double)(8L*bytes)/1000000.0 ) );
      84           0 :   else FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f Gbit", (double)(8L*bytes)/1000000000.0 ) );
      85             : 
      86           0 :   FD_TEST( fd_cstr_printf_check( buf, buf_sz, NULL, "%10s", tmp ) );
      87           0 :   return buf;
      88           0 : }
      89             : 
      90             : static char *
      91             : fmt_count( char * buf,
      92             :            ulong  buf_sz,
      93           0 :            ulong  count ) {
      94           0 :   char * tmp = fd_alloca_check( 1UL, buf_sz );
      95           0 :   if( FD_LIKELY( count<1000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%lu", count ) );
      96           0 :   else if( FD_LIKELY( count<1000000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f K", (double)count/1000.0 ) );
      97           0 :   else if( FD_LIKELY( count<1000000000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f M", (double)count/1000000.0 ) );
      98             : 
      99           0 :   FD_TEST( fd_cstr_printf_check( buf, buf_sz, NULL, "%10s", tmp ) );
     100           0 :   return buf;
     101           0 : }
     102             : 
     103             : static char *
     104             : fmt_countf( char * buf,
     105             :             ulong  buf_sz,
     106           0 :             double count ) {
     107           0 :   char * tmp = fd_alloca_check( 1UL, buf_sz );
     108           0 :   if( FD_LIKELY( count<1000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f", count ) );
     109           0 :   else if( FD_LIKELY( count<1000000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f K", (double)count/1000.0 ) );
     110           0 :   else if( FD_LIKELY( count<1000000000UL ) ) FD_TEST( fd_cstr_printf_check( tmp, buf_sz, NULL, "%.1f M", (double)count/1000000.0 ) );
     111             : 
     112           0 :   FD_TEST( fd_cstr_printf_check( buf, buf_sz, NULL, "%10s", tmp ) );
     113           0 :   return buf;
     114           0 : }
     115             : 
     116             : static long
     117             : diff_link( config_t const * config,
     118             :                  char const *     link_name,
     119             :                  ulong const *    prev_link,
     120             :                  ulong const *    cur_link,
     121           0 :                  ulong            idx ) {
     122           0 :   long result = 0L;
     123             : 
     124           0 :   ulong overall_polled_idx = 0UL;
     125           0 :   for( ulong i=0UL; i<config->topo.tile_cnt; i++ ) {
     126           0 :     fd_topo_tile_t const * tile = &config->topo.tiles[ i ];
     127           0 :     for( ulong j=0UL; j<config->topo.tiles[ i ].in_cnt; j++ ) {
     128           0 :       fd_topo_link_t const * link = &config->topo.links[ tile->in_link_id[ j ] ];
     129           0 :       if( FD_UNLIKELY( !tile->in_link_poll[ j ] ) ) continue;
     130             : 
     131           0 :       if( FD_LIKELY( !strcmp( link->name, link_name ) ) ) {
     132           0 :         result += (long)cur_link[ overall_polled_idx*8UL+idx ]-(long)prev_link[ overall_polled_idx*8UL+idx ];
     133           0 :       }
     134             : 
     135           0 :       overall_polled_idx++;
     136           0 :     }
     137           0 :   }
     138           0 :   return result;
     139           0 : }
     140             : 
     141             : static long
     142             : diff_tile( config_t const * config,
     143             :            char const *     tile_name,
     144             :            ulong const *    prev_tile,
     145             :            ulong const *    cur_tile,
     146           0 :            ulong            idx ) {
     147           0 :   long result = 0L;
     148             : 
     149           0 :   for( ulong i=0UL; i<config->topo.tile_cnt; i++ ) {
     150           0 :     fd_topo_tile_t const * tile = &config->topo.tiles[ i ];
     151           0 :     if( FD_UNLIKELY( strcmp( tile->name, tile_name ) ) ) continue;
     152           0 :     result += (long)cur_tile[ i*FD_METRICS_TOTAL_SZ+idx ]-(long)prev_tile[ i*FD_METRICS_TOTAL_SZ+idx ];
     153           0 :   }
     154           0 :   return result;
     155           0 : }
     156             : 
     157             : static ulong
     158           0 : total_crds( ulong const * metrics ) {
     159           0 :   ulong sum = 0UL;
     160           0 :   for( ulong i=0UL; i<FD_METRICS_ENUM_CRDS_VALUE_CNT; i++ ) {
     161           0 :     sum += metrics[ MIDX( GAUGE, GOSSIP, CRDS_COUNT_CONTACT_INFO_V1 )+i ];
     162           0 :   }
     163           0 :   return sum;
     164           0 : }
     165             : 
     166             : static ulong
     167           0 : total_regime( ulong const * metrics ) {
     168           0 :   ulong sum = 0UL;
     169           0 :   for( ulong i=0UL; i<FD_METRICS_ENUM_TILE_REGIME_CNT; i++ ) {
     170           0 :     sum += metrics[ MIDX( COUNTER, TILE, REGIME_DURATION_NANOS )+i ];
     171           0 :   }
     172           0 :   return sum;
     173           0 : }
     174             : 
     175             : static ulong sps_samples_idx = 0UL;
     176             : static ulong sps_samples[ 200UL ];
     177             : static ulong tps_samples_idx = 0UL;
     178             : static ulong tps_samples[ 200UL ];
     179             : static ulong snapshot_rx_idx = 0UL;
     180             : static ulong snapshot_rx_samples[ 100UL ];
     181             : static ulong snapshot_acc_idx = 0UL;
     182             : static ulong snapshot_acc_samples[ 100UL ];
     183             : 
     184           0 : #define PRINT(...) do {                          \
     185           0 :   char * _buf = fd_alloca_check( 1UL, 1024UL );  \
     186           0 :   ulong _len;                                    \
     187           0 :   FD_TEST( fd_cstr_printf_check( _buf, 1024UL, &_len, __VA_ARGS__ ) ); \
     188           0 :   ulong _written = 0L;                           \
     189           0 :   while( _written<_len ) {                       \
     190           0 :     long w = write( STDOUT_FILENO, _buf+_written, _len-(ulong)_written ); \
     191           0 :     if( FD_UNLIKELY( -1==w && errno==EAGAIN ) ) continue; \
     192           0 :     else if( FD_UNLIKELY( -1==w ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) )); \
     193           0 :     _written += (ulong)w;                        \
     194           0 :   }                                              \
     195           0 : } while(0)                                       \
     196             : 
     197             : #define DIFF_LINK_BYTES( link_name, metric_type, metric_subtype, metric ) (__extension__({ \
     198             :     long bytes = diff_link( config, link_name, prev_link, cur_link, MIDX( metric_type, metric_subtype, metric ) ); \
     199             :      fmt_bytes( fd_alloca_check( 1UL, 64UL ), 64UL, bytes );                               \
     200             :   }))
     201             : 
     202             : #define DIFF_BYTES( tile_name, metric_type, metric_subtype, metric ) (__extension__({ \
     203             :     long bytes = diff_tile( config, tile_name, prev_tile, cur_tile, MIDX( metric_type, metric_subtype, metric ) ); \
     204             :      fmt_bytes( fd_alloca_check( 1UL, 64UL ), 64UL, bytes );                               \
     205             :   }))
     206             : 
     207           0 : #define COUNT( count ) (__extension__({                     \
     208           0 :     fmt_count( fd_alloca_check( 1UL, 64UL ), 64UL, count ); \
     209           0 :   }))
     210             : 
     211           0 : #define COUNTF( count ) (__extension__({                     \
     212           0 :     fmt_countf( fd_alloca_check( 1UL, 64UL ), 64UL, count ); \
     213           0 :   }))
     214             : 
     215             : static void
     216             : write_backtest( config_t const * config,
     217           0 :                 ulong const *    cur_tile ) {
     218           0 :   ulong backt_idx = fd_topo_find_tile( &config->topo, "backt", 0UL );
     219           0 :   ulong start_slot = cur_tile[ backt_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, BACKT, START_SLOT ) ];
     220           0 :   ulong final_slot = cur_tile[ backt_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, BACKT, FINAL_SLOT ) ];
     221             : 
     222           0 :   ulong replay_idx = fd_topo_find_tile( &config->topo, "replay", 0UL );
     223           0 :   ulong current_slot = cur_tile[ replay_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, ROOT_SLOT ) ];
     224           0 :   current_slot = current_slot ? current_slot : start_slot;
     225             : 
     226           0 :   ulong total_slots = final_slot-start_slot;
     227           0 :   ulong completed_slots = current_slot-start_slot;
     228             : 
     229           0 :   double progress = 0.0;
     230           0 :   if( FD_LIKELY( total_slots>0UL ) ) progress = 100.0 * (double)completed_slots / (double)total_slots;
     231           0 :   else progress = 100.0;
     232             : 
     233           0 :   PRINT( "๐Ÿงช \033[1m\033[92mBACKTEST....\033[0m\033[22m \033[1mPCT\033[22m %.1f %% (%lu/%lu)\033[K\n", progress, completed_slots, total_slots );
     234           0 : }
     235             : 
     236             : static void
     237             : write_snapshots( config_t const * config,
     238             :                  ulong const *    cur_tile,
     239           0 :                  ulong const *    prev_tile ) {
     240           0 :   ulong snaprd_idx = fd_topo_find_tile( &config->topo, "snaprd", 0UL );
     241           0 :   ulong state = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, STATE ) ];
     242             : 
     243           0 :   ulong bytes_read = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, FULL_BYTES_READ ) ];
     244           0 :   ulong bytes_total = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, FULL_BYTES_TOTAL ) ];
     245             : 
     246           0 :   ulong gossip_fresh_count = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, GOSSIP_FRESH_COUNT ) ];
     247           0 :   ulong gossip_total_count = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, GOSSIP_TOTAL_COUNT ) ];
     248             : 
     249           0 :   double progress = 0.0;
     250           0 :   if( FD_LIKELY( bytes_total>0UL ) ) progress = 100.0 * (double)bytes_read / (double)bytes_total;
     251           0 :   else if( FD_LIKELY( gossip_total_count>0UL ) ) progress = 100.0 * (1.0 - (double)gossip_fresh_count / (double)gossip_total_count );
     252           0 :   else progress = 0.0;
     253             : 
     254           0 :   ulong snap_rx_sum = 0UL;
     255           0 :   ulong num_snap_rx_samples = fd_ulong_min( snapshot_rx_idx, sizeof(snapshot_rx_samples)/sizeof(snapshot_rx_samples[0]) );
     256           0 :   for( ulong i=0UL; i<num_snap_rx_samples; i++ ) snap_rx_sum += snapshot_rx_samples[ i ];
     257           0 :   double megabytes_per_second = 0.0;
     258           0 :   if( FD_LIKELY( num_snap_rx_samples ) ) megabytes_per_second = 100.0*(double)snap_rx_sum/(double)num_snap_rx_samples/1e6;
     259             : 
     260           0 :   ulong accounts_sum = 0UL;
     261           0 :   ulong num_accounts_samples = fd_ulong_min( snapshot_acc_idx, sizeof(snapshot_acc_samples)/sizeof(snapshot_acc_samples[0]) );
     262           0 :   for( ulong i=0UL; i<num_accounts_samples; i++ ) accounts_sum += snapshot_acc_samples[ i ];
     263           0 :   double million_accounts_per_second = 0.0;
     264           0 :   if( FD_LIKELY( num_accounts_samples ) ) million_accounts_per_second = 100.0*(double)accounts_sum/(double)num_accounts_samples/1e6;
     265             : 
     266           0 :   ulong snaprd_total_ticks = total_regime( &cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ ] )-total_regime( &prev_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ ] );
     267           0 :   ulong snapdc_total_ticks = total_regime( &cur_tile[ fd_topo_find_tile( &config->topo, "snapdc", 0UL )*FD_METRICS_TOTAL_SZ ] )-total_regime( &prev_tile[ fd_topo_find_tile( &config->topo, "snapdc", 0UL )*FD_METRICS_TOTAL_SZ ] );
     268           0 :   ulong snapin_total_ticks = total_regime( &cur_tile[ fd_topo_find_tile( &config->topo, "snapin", 0UL )*FD_METRICS_TOTAL_SZ ] )-total_regime( &prev_tile[ fd_topo_find_tile( &config->topo, "snapin", 0UL )*FD_METRICS_TOTAL_SZ ] );
     269           0 :   snaprd_total_ticks = fd_ulong_max( snaprd_total_ticks, 1UL );
     270           0 :   snapdc_total_ticks = fd_ulong_max( snapdc_total_ticks, 1UL );
     271           0 :   snapin_total_ticks = fd_ulong_max( snapin_total_ticks, 1UL );
     272             : 
     273           0 :   double snaprd_backp_pct = 100.0*(double)diff_tile( config, "snaprd", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_BACKPRESSURE_PREFRAG ) )/(double)snaprd_total_ticks;
     274           0 :   double snapdc_backp_pct = 100.0*(double)diff_tile( config, "snapdc", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_BACKPRESSURE_PREFRAG ) )/(double)snapdc_total_ticks;
     275           0 :   double snapin_backp_pct = 100.0*(double)diff_tile( config, "snapin", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_BACKPRESSURE_PREFRAG ) )/(double)snapin_total_ticks;
     276             : 
     277           0 :   double snaprd_idle_pct = 100.0*(double)diff_tile( config, "snaprd", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_CAUGHT_UP_POSTFRAG ) )/(double)snaprd_total_ticks;
     278           0 :   double snapdc_idle_pct = 100.0*(double)diff_tile( config, "snapdc", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_CAUGHT_UP_POSTFRAG ) )/(double)snapdc_total_ticks;
     279           0 :   double snapin_idle_pct = 100.0*(double)diff_tile( config, "snapin", prev_tile, cur_tile, MIDX( COUNTER, TILE, REGIME_DURATION_NANOS_CAUGHT_UP_POSTFRAG ) )/(double)snapin_total_ticks;
     280             : 
     281           0 :   PRINT( "โšก \033[1m\033[93mSNAPSHOTS...\033[0m\033[22m \033[1mSTATE\033[22m %s \033[1mPCT\033[22m %.1f %% \033[1mRX\033[22m %3.f MB/s \033[1mACC\033[22m %3.1f M/s \033[1mBACKP\033[22m %3.0f%%,%3.0f%%,%3.0f%% \033[1mBUSY\033[22m %3.0f%%,%3.0f%%,%3.0f%%\033[K\n",
     282           0 :     fd_snaprd_state_str( state ),
     283           0 :     progress,
     284           0 :     megabytes_per_second,
     285           0 :     million_accounts_per_second,
     286           0 :     snaprd_backp_pct,
     287           0 :     snapdc_backp_pct,
     288           0 :     snapin_backp_pct,
     289           0 :     100.0-snaprd_idle_pct-snaprd_backp_pct,
     290           0 :     100.0-snapdc_idle_pct-snapdc_backp_pct,
     291           0 :     100.0-snapin_idle_pct-snapin_backp_pct );
     292           0 : }
     293             : 
     294             : static void
     295             : write_gossip( config_t const * config,
     296             :               ulong const *    cur_tile,
     297             :               ulong const *    cur_link,
     298           0 :               ulong const *    prev_link ) {
     299           0 :   char * contact_info = COUNT( cur_tile[ fd_topo_find_tile( &config->topo, "gossip", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, GOSSIP, CRDS_COUNT_CONTACT_INFO_V2 ) ] );
     300           0 :   PRINT( "๐Ÿ’ฌ \033[1m\033[34mGOSSIP......\033[0m\033[22m \033[1mRX\033[22m %s \033[1mTX\033[22m %s \033[1mCRDS\033[22m %s \033[1mPEERS\033[22m %s\033[K\n",
     301           0 :     DIFF_LINK_BYTES( "net_gossvf", COUNTER, LINK, CONSUMED_SIZE_BYTES ),
     302           0 :     DIFF_LINK_BYTES( "gossip_net", COUNTER, LINK, CONSUMED_SIZE_BYTES ),
     303           0 :     COUNT( total_crds( &cur_tile[ fd_topo_find_tile( &config->topo, "gossip", 0UL )*FD_METRICS_TOTAL_SZ ] ) ),
     304           0 :     contact_info );
     305           0 : }
     306             : 
     307             : static void
     308             : write_repair( config_t const * config,
     309             :               ulong const *    cur_tile,
     310             :               ulong const *    cur_link,
     311           0 :               ulong const *    prev_link ) {
     312           0 :   ulong repair_slot = cur_tile[ fd_topo_find_tile( &config->topo, "repair", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( COUNTER, REPAIR, REPAIRED_SLOTS ) ];
     313           0 :   ulong turbine_slot = cur_tile[ fd_topo_find_tile( &config->topo, "repair", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( COUNTER, REPAIR, CURRENT_SLOT ) ];
     314           0 :   PRINT( "๐Ÿงฑ \033[1m\033[31mREPAIR......\033[0m\033[22m \033[1mRX\033[22m %s \033[1mTX\033[22m %s \033[1mREPAIR SLOT\033[22m %lu (%ld) \033[1mTURBINE SLOT\033[22m %lu\033[K\n",
     315           0 :     DIFF_LINK_BYTES( "net_repair", COUNTER, LINK, CONSUMED_SIZE_BYTES ),
     316           0 :     DIFF_LINK_BYTES( "repair_net", COUNTER, LINK, CONSUMED_SIZE_BYTES ),
     317           0 :     repair_slot,
     318           0 :     (long)repair_slot-(long)turbine_slot,
     319           0 :     turbine_slot );
     320           0 : }
     321             : 
     322             : static void
     323             : write_replay( config_t const * config,
     324           0 :               ulong const *    cur_tile ) {
     325           0 :   ulong turbine_slot = cur_tile[ fd_topo_find_tile( &config->topo, "repair", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( COUNTER, REPAIR, CURRENT_SLOT ) ];
     326             : 
     327           0 :   ulong reset_slot = cur_tile[ fd_topo_find_tile( &config->topo, "replay", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, RESET_SLOT ) ];
     328           0 :   ulong next_leader_slot = cur_tile[ fd_topo_find_tile( &config->topo, "replay", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, NEXT_LEADER_SLOT ) ];
     329           0 :   ulong leader_slot = cur_tile[ fd_topo_find_tile( &config->topo, "replay", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, LEADER_SLOT ) ];
     330           0 :   char * next_leader_slot_str = fd_alloca_check( 1UL, 64UL );
     331             : 
     332           0 :   ulong slot_in_seconds = (ulong)((double)(next_leader_slot-reset_slot)*0.4);
     333           0 :   if( FD_UNLIKELY( leader_slot ) ) FD_TEST( fd_cstr_printf_check( next_leader_slot_str, 64UL, NULL, "now" ) );
     334           0 :   else if( FD_LIKELY( next_leader_slot>0UL ) ) FD_TEST( fd_cstr_printf_check( next_leader_slot_str, 64UL, NULL, "%lum %lus", slot_in_seconds/60UL, slot_in_seconds%60UL ) );
     335           0 :   else FD_TEST( fd_cstr_printf_check( next_leader_slot_str, 64UL, NULL, "never" ) );
     336             : 
     337           0 :   ulong root_distance = cur_tile[ fd_topo_find_tile( &config->topo, "replay", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, ROOT_DISTANCE ) ];
     338           0 :   ulong live_banks = cur_tile[ fd_topo_find_tile( &config->topo, "replay", 0UL )*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, REPLAY, LIVE_BANKS ) ];
     339             : 
     340           0 :   ulong sps_sum = 0UL;
     341           0 :   ulong num_sps_samples = fd_ulong_min( sps_samples_idx, sizeof(sps_samples)/sizeof(sps_samples[0]));
     342           0 :   for( ulong i=0UL; i<num_sps_samples; i++ ) sps_sum += sps_samples[ i ];
     343           0 :   char * sps_str = COUNTF( 100.0*(double)sps_sum/(double)num_sps_samples );
     344             : 
     345           0 :   ulong tps_sum = 0UL;
     346           0 :   ulong num_tps_samples = fd_ulong_min( tps_samples_idx, sizeof(tps_samples)/sizeof(tps_samples[0]));
     347           0 :   for( ulong i=0UL; i<num_tps_samples; i++ ) tps_sum += tps_samples[ i ];
     348           0 :   char * tps_str = COUNTF( 100.0*(double)tps_sum/(double)num_tps_samples );
     349             : 
     350           0 :   PRINT( "๐Ÿ’ฅ \033[1m\033[35mREPLAY......\033[0m\033[22m \033[1mSLOT\033[22m %lu (%ld) \033[1mTPS\033[22m %s \033[1mSPS\033[22m %s \033[1mLEADER IN\033[22m %s \033[1mROOT DIST\033[22m %lu \033[1mBANKS\033[22m %lu\033[K\n",
     351           0 :     reset_slot,
     352           0 :     (long)reset_slot-(long)turbine_slot,
     353           0 :     tps_str,
     354           0 :     sps_str,
     355           0 :     next_leader_slot_str,
     356           0 :     root_distance,
     357           0 :     live_banks );
     358           0 : }
     359             : 
     360             : static void
     361             : write_summary( config_t const * config,
     362             :                ulong const *    cur_tile,
     363             :                ulong const *    prev_tile,
     364             :                ulong const *    cur_link,
     365           0 :                ulong const *    prev_link ) {
     366           0 :   (void)config;
     367           0 :   (void)prev_tile;
     368           0 :   (void)cur_tile;
     369             : 
     370           0 :   if( FD_UNLIKELY( !ended_on_newline ) ) PRINT( "\n" );
     371           0 :   PRINT( "โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€\033[K\n" );
     372             : 
     373           0 :   ulong snaprd_idx = fd_topo_find_tile( &config->topo, "snaprd", 0UL );
     374           0 :   int shutdown = 1;
     375           0 :   if( FD_LIKELY( snaprd_idx!=ULONG_MAX ) ) shutdown = cur_tile[ snaprd_idx*FD_METRICS_TOTAL_SZ+MIDX( GAUGE, SNAPRD, STATE ) ]==FD_SNAPRD_STATE_SHUTDOWN;
     376             : 
     377           0 :   static long snap_shutdown_time = 0L;
     378           0 :   if( FD_UNLIKELY( !snap_shutdown_time && !shutdown ) ) snap_shutdown_time = 1L; /* Was not shutdown on boot */
     379           0 :   if( FD_UNLIKELY( !snap_shutdown_time && shutdown  ) ) snap_shutdown_time = 2L; /* Was shutdown on boot */
     380           0 :   if( FD_UNLIKELY( snap_shutdown_time==1L && shutdown  ) ) snap_shutdown_time = fd_log_wallclock();
     381             : 
     382           0 :   lines_printed = 4UL;
     383             : 
     384           0 :   ulong backt_idx = fd_topo_find_tile( &config->topo, "backt", 0UL );
     385           0 :   if( FD_UNLIKELY( backt_idx!=ULONG_MAX ) ) {
     386           0 :     lines_printed++;
     387           0 :     write_backtest( config, cur_tile );
     388           0 :   }
     389             : 
     390           0 :   long now = fd_log_wallclock();
     391           0 :   if( FD_UNLIKELY( snap_shutdown_time==1L || now<snap_shutdown_time+(long)2e9 ) ) {
     392           0 :     lines_printed++;
     393           0 :     write_snapshots( config, cur_tile, prev_tile );
     394           0 :   }
     395             : 
     396           0 :   write_gossip( config, cur_tile, cur_link, prev_link );
     397           0 :   write_repair( config, cur_tile, cur_link, prev_link );
     398           0 :   write_replay( config, cur_tile );
     399           0 : }
     400             : 
     401             : static void
     402             : snap_tiles( fd_topo_t const * topo,
     403           0 :             ulong *           tiles ) {
     404           0 :   for( ulong i=0UL; i<topo->tile_cnt; i++ ) {
     405           0 :     fd_topo_tile_t const * tile = &topo->tiles[ i ];
     406           0 :     volatile ulong const * metrics = fd_metrics_tile( tile->metrics );
     407           0 :     FD_TEST( metrics );
     408           0 :     for( ulong j=0UL; j<FD_METRICS_TOTAL_SZ/8UL; j++ ) tiles[ i*FD_METRICS_TOTAL_SZ+j ] = metrics[ j ];
     409           0 :   }
     410           0 : }
     411             : 
     412             : static void
     413             : snap_links( fd_topo_t const * topo,
     414           0 :             ulong *           links ) {
     415           0 :   ulong overall_polled_idx = 0UL;
     416             : 
     417           0 :   for( ulong i=0UL; i<topo->tile_cnt; i++ ) {
     418           0 :     fd_topo_tile_t const * tile = &topo->tiles[ i ];
     419             : 
     420           0 :     ulong polled_in_idx = 0UL;
     421           0 :     for( ulong j=0UL; j<topo->tiles[ i ].in_cnt; j++ ) {
     422           0 :       if( FD_UNLIKELY( !tile->in_link_poll[ j ] ) ) continue;
     423             : 
     424           0 :       volatile ulong const * metrics = fd_metrics_link_in( tile->metrics, polled_in_idx );
     425           0 :       FD_TEST( metrics );
     426           0 :       for( ulong k=0UL; k<FD_METRICS_ALL_LINK_IN_TOTAL; k++ ) links[ overall_polled_idx*8UL+k ] = metrics[ k ];
     427           0 :       polled_in_idx++;
     428           0 :       overall_polled_idx++;
     429           0 :     }
     430           0 :   }
     431           0 : }
     432             : 
     433             : static ulong tiles[ 2UL*128UL*FD_METRICS_TOTAL_SZ ];
     434             : static ulong links[ 2UL*4096UL*8UL*FD_METRICS_ALL_LINK_IN_TOTAL ];
     435             : 
     436             : static void
     437             : run( config_t const * config,
     438           0 :      int              drain_output_fd ) {
     439           0 :   (void)config;
     440           0 :   (void)drain_output_fd;
     441             : 
     442           0 :   ulong tile_cnt = config->topo.tile_cnt;
     443             : 
     444           0 :   ulong cons_cnt = 0UL;
     445           0 :   for( ulong i=0UL; i<config->topo.tile_cnt; i++ ) {
     446           0 :     for( ulong j=0UL; j<config->topo.tiles[ i ].in_cnt; j++ ) {
     447           0 :       if( FD_UNLIKELY( config->topo.tiles[ i ].in_link_poll[ j ] ) ) cons_cnt++;
     448           0 :     }
     449           0 :   }
     450             : 
     451           0 :   FD_TEST( tile_cnt<=128UL );
     452           0 :   FD_TEST( cons_cnt<=4096UL );
     453             : 
     454           0 :   snap_tiles( &config->topo, tiles );
     455           0 :   fd_memcpy( tiles+tile_cnt*FD_METRICS_TOTAL_SZ, tiles, tile_cnt*FD_METRICS_TOTAL_SZ );
     456             : 
     457           0 :   snap_links( &config->topo, links );
     458           0 :   fd_memcpy( links+(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL), links, cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL );
     459             : 
     460           0 :   ulong last_snap = 1UL;
     461             : 
     462           0 :   write_summary( config, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, links+last_snap*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL), links+(1UL-last_snap)*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL) );
     463             : 
     464           0 :   long next = fd_log_wallclock()+(long)1e9;
     465           0 :   for(;;) {
     466           0 :     if( FD_UNLIKELY( drain_output_fd>=0 ) ) {
     467           0 :       if( FD_UNLIKELY( drain( drain_output_fd ) ) ) write_summary( config, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, links+last_snap*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL), links+(1UL-last_snap)*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL) );
     468           0 :     }
     469             : 
     470           0 :     long now = fd_log_wallclock();
     471           0 :     if( FD_UNLIKELY( now>=next ) ) {
     472           0 :       last_snap = 1UL-last_snap;
     473           0 :       snap_tiles( &config->topo, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ );
     474           0 :       snap_links( &config->topo, links+last_snap*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL) );
     475             : 
     476           0 :       sps_samples[ sps_samples_idx%(sizeof(sps_samples)/sizeof(sps_samples[0])) ] = (ulong)diff_tile( config, "replay", tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, MIDX( COUNTER, REPLAY, SLOTS_TOTAL ) );
     477           0 :       sps_samples_idx++;
     478           0 :       tps_samples[ tps_samples_idx%(sizeof(tps_samples)/sizeof(tps_samples[0])) ] = (ulong)diff_tile( config, "replay", tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, MIDX( COUNTER, REPLAY, TRANSACTIONS_TOTAL ) );
     479           0 :       tps_samples_idx++;
     480           0 :       snapshot_rx_samples[ snapshot_rx_idx%(sizeof(snapshot_rx_samples)/sizeof(snapshot_rx_samples[0])) ] = (ulong)diff_tile( config, "snaprd", tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, MIDX( GAUGE, SNAPRD, FULL_BYTES_READ ) ) +
     481           0 :                                                                                                             (ulong)diff_tile( config, "snaprd", tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, MIDX( GAUGE, SNAPRD, INCREMENTAL_BYTES_READ ) );
     482           0 :       snapshot_rx_idx++;
     483           0 :       snapshot_acc_samples[ snapshot_acc_idx%(sizeof(snapshot_acc_samples)/sizeof(snapshot_acc_samples[0])) ] = (ulong)diff_tile( config, "snapin", tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, MIDX( GAUGE, SNAPIN, ACCOUNTS_INSERTED ) );
     484           0 :       snapshot_acc_idx++;
     485             : 
     486             :       /* move up n lines, delete n lines, and restore cursor and clear to end of screen */
     487           0 :       char erase[ 128UL ];
     488           0 :       ulong term_len = 0UL;
     489           0 :       if( FD_UNLIKELY( !ended_on_newline ) ) {
     490           0 :         FD_TEST( fd_cstr_printf_check( erase, 128UL, &term_len, "\033[%luA\033[%luM\033[1A\033[0J", lines_printed, lines_printed ) );
     491           0 :       } else {
     492           0 :         FD_TEST( fd_cstr_printf_check( erase, 128UL, &term_len, "\033[%luA\033[%luM\033[0J", lines_printed, lines_printed ) );
     493           0 :       }
     494           0 :       ulong erase_written = 0UL;
     495           0 :       while( erase_written<term_len ) {
     496           0 :         long w = write( STDOUT_FILENO, erase+erase_written, term_len-(ulong)erase_written );
     497           0 :         if( FD_UNLIKELY( -1==w && errno==EAGAIN ) ) continue;
     498           0 :         else if( FD_UNLIKELY( -1==w ) ) FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
     499           0 :         erase_written += (ulong)w;
     500           0 :       }
     501             : 
     502           0 :       write_summary( config, tiles+last_snap*tile_cnt*FD_METRICS_TOTAL_SZ, tiles+(1UL-last_snap)*tile_cnt*FD_METRICS_TOTAL_SZ, links+last_snap*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL), links+(1UL-last_snap)*(cons_cnt*8UL*FD_METRICS_ALL_LINK_IN_TOTAL) );
     503           0 :       next += (long)1e7;
     504           0 :     }
     505           0 :   }
     506           0 : }
     507             : 
     508             : void
     509             : watch_cmd_fn( args_t *   args,
     510           0 :               config_t * config ) {
     511           0 :   int allow_fds[ 5 ];
     512           0 :   ulong allow_fds_cnt = 0;
     513           0 :   allow_fds[ allow_fds_cnt++ ] = 0; /* stdin */
     514           0 :   allow_fds[ allow_fds_cnt++ ] = 1; /* stdout */
     515           0 :   allow_fds[ allow_fds_cnt++ ] = 2; /* stderr */
     516           0 :   if( FD_LIKELY( fd_log_private_logfile_fd()!=-1 ) )
     517           0 :     allow_fds[ allow_fds_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
     518           0 :   if( FD_UNLIKELY( args->watch.drain_output_fd!=-1 ) )
     519           0 :     allow_fds[ allow_fds_cnt++ ] = args->watch.drain_output_fd; /* maybe we are interposing firedancer log output with the monitor */
     520             : 
     521           0 :   fd_topo_join_workspaces( &config->topo, FD_SHMEM_JOIN_MODE_READ_ONLY );
     522             : 
     523           0 :   struct sock_filter seccomp_filter[ 128UL ];
     524           0 :   uint drain_output_fd = args->watch.drain_output_fd >= 0 ? (uint)args->watch.drain_output_fd : (uint)-1;
     525           0 :   populate_sock_filter_policy_watch( 128UL, seccomp_filter, (uint)fd_log_private_logfile_fd(), drain_output_fd );
     526             : 
     527           0 :   if( FD_LIKELY( config->development.sandbox ) ) {
     528           0 :     if( FD_UNLIKELY( close( config->log.lock_fd ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
     529             : 
     530           0 :     fd_sandbox_enter( config->uid,
     531           0 :                       config->gid,
     532           0 :                       0,
     533           0 :                       0,
     534           0 :                       0,
     535           0 :                       1, /* Keep controlling terminal for main so it can receive Ctrl+C */
     536           0 :                       0,
     537           0 :                       0UL,
     538           0 :                       0UL,
     539           0 :                       0UL,
     540           0 :                       allow_fds_cnt,
     541           0 :                       allow_fds,
     542           0 :                       sock_filter_policy_watch_instr_cnt,
     543           0 :                       seccomp_filter );
     544           0 :   } else {
     545           0 :     fd_sandbox_switch_uid_gid( config->uid, config->gid );
     546           0 :   }
     547             : 
     548           0 :   fd_topo_fill( &config->topo );
     549             : 
     550           0 :   run( config, args->watch.drain_output_fd );
     551           0 : }
     552             : 
     553             : action_t fd_action_watch = {
     554             :   .name           = "watch",
     555             :   .args           = NULL,
     556             :   .fn             = watch_cmd_fn,
     557             :   .require_config = 1,
     558             :   .perm           = watch_cmd_perm,
     559             :   .description    = "Watch a locally running Firedancer instance with a terminal GUI",
     560             : };

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