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initial profiling by phobos says we spend a whole lot of time

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measuring how long each cell takes to process. make that optional.


svn:r3226
This commit is contained in:
Roger Dingledine 2004-12-25 06:10:34 +00:00
parent 53105cdae5
commit be72937ab0
1 changed files with 20 additions and 0 deletions
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20
src/or/command.c
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@ -57,12 +57,15 @@ static void command_time_process_cell(cell_t *cell, connection_t *conn, int *tim
*time += time_passed;
}
#define KEEP_TIMING_STATS 0
/** Process a <b>cell</b> that was just received on <b>conn</b>. Keep internal
* statistics about how many of each cell we've processed so far
* this second, and the total number of microseconds it took to
* process each type of cell.
*/
void command_process_cell(cell_t *cell, connection_t *conn) {
#ifdef KEEP_TIMING_STATS
/* how many of each cell have we seen so far this second? needs better
* name. */
static int num_create=0, num_created=0, num_relay=0, num_destroy=0;
@ -87,6 +90,7 @@ void command_process_cell(cell_t *cell, connection_t *conn) {
/* remember which second it is, for next time */
current_second = now;
}
#endif
switch (cell->command) {
case CELL_PADDING:
@ -95,27 +99,43 @@ void command_process_cell(cell_t *cell, connection_t *conn) {
break;
case CELL_CREATE:
++stats_n_create_cells_processed;
#ifdef KEEP_TIMING_STATS
++num_create;
command_time_process_cell(cell, conn, &create_time,
command_process_create_cell);
#else
command_process_create_cell(cell, conn);
#endif
break;
case CELL_CREATED:
++stats_n_created_cells_processed;
#ifdef KEEP_TIMING_STATS
++num_created;
command_time_process_cell(cell, conn, &created_time,
command_process_created_cell);
#else
command_process_created_cell(cell, conn);
#endif
break;
case CELL_RELAY:
++stats_n_relay_cells_processed;
#ifdef KEEP_TIMING_STATS
++num_relay;
command_time_process_cell(cell, conn, &relay_time,
command_process_relay_cell);
#else
command_process_relay_cell(cell, conn);
#endif
break;
case CELL_DESTROY:
++stats_n_destroy_cells_processed;
#ifdef KEEP_TIMING_STATS
++num_destroy;
command_time_process_cell(cell, conn, &destroy_time,
command_process_destroy_cell);
#else
command_process_destroy_cell(cell, conn);
#endif
break;
default:
log_fn(LOG_WARN,"Cell of unknown type (%d) received. Dropping.", cell->command);