diff options
Diffstat (limited to 'trace2.c')
| -rw-r--r-- | trace2.c | 52 |
1 files changed, 45 insertions, 7 deletions
@@ -8,6 +8,7 @@ #include "version.h" #include "trace2/tr2_cfg.h" #include "trace2/tr2_cmd_name.h" +#include "trace2/tr2_ctr.h" #include "trace2/tr2_dst.h" #include "trace2/tr2_sid.h" #include "trace2/tr2_sysenv.h" @@ -101,6 +102,22 @@ static void tr2_tgt_emit_a_timer(const struct tr2_timer_metadata *meta, tgt_j->pfn_timer(meta, timer, is_final_data); } +/* + * The signature of this function must match the pfn_counter + * method in the targets. + */ +static void tr2_tgt_emit_a_counter(const struct tr2_counter_metadata *meta, + const struct tr2_counter *counter, + int is_final_data) +{ + struct tr2_tgt *tgt_j; + int j; + + for_each_wanted_builtin (j, tgt_j) + if (tgt_j->pfn_counter) + tgt_j->pfn_counter(meta, counter, is_final_data); +} + static int tr2main_exit_code; /* @@ -132,20 +149,26 @@ static void tr2main_atexit_handler(void) * Some timers want per-thread details. If the main thread * used one of those timers, emit the details now (before * we emit the aggregate timer values). + * + * Likewise for counters. */ tr2_emit_per_thread_timers(tr2_tgt_emit_a_timer); + tr2_emit_per_thread_counters(tr2_tgt_emit_a_counter); /* - * Add stopwatch timer data for the main thread to the final - * totals. And then emit the final timer values. + * Add stopwatch timer and counter data for the main thread to + * the final totals. And then emit the final values. * * Technically, we shouldn't need to hold the lock to update - * and output the final_timer_block (since all other threads - * should be dead by now), but it doesn't hurt anything. + * and output the final_timer_block and final_counter_block + * (since all other threads should be dead by now), but it + * doesn't hurt anything. */ tr2tls_lock(); tr2_update_final_timers(); + tr2_update_final_counters(); tr2_emit_final_timers(tr2_tgt_emit_a_timer); + tr2_emit_final_counters(tr2_tgt_emit_a_counter); tr2tls_unlock(); for_each_wanted_builtin (j, tgt_j) @@ -582,16 +605,20 @@ void trace2_thread_exit_fl(const char *file, int line) /* * Some timers want per-thread details. If this thread used * one of those timers, emit the details now. + * + * Likewise for counters. */ tr2_emit_per_thread_timers(tr2_tgt_emit_a_timer); + tr2_emit_per_thread_counters(tr2_tgt_emit_a_counter); /* - * Add stopwatch timer data from the current (non-main) thread - * to the final totals. (We'll accumulate data for the main - * thread later during "atexit".) + * Add stopwatch timer and counter data from the current + * (non-main) thread to the final totals. (We'll accumulate + * data for the main thread later during "atexit".) */ tr2tls_lock(); tr2_update_final_timers(); + tr2_update_final_counters(); tr2tls_unlock(); for_each_wanted_builtin (j, tgt_j) @@ -870,6 +897,17 @@ void trace2_timer_stop(enum trace2_timer_id tid) tr2_stop_timer(tid); } +void trace2_counter_add(enum trace2_counter_id cid, uint64_t value) +{ + if (!trace2_enabled) + return; + + if (cid < 0 || cid >= TRACE2_NUMBER_OF_COUNTERS) + BUG("trace2_counter_add: invalid counter id: %d", cid); + + tr2_counter_increment(cid, value); +} + const char *trace2_session_id(void) { return tr2_sid_get(); |