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Fallback to unbuffered printing if OOM

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This commit is contained in:
Yinan Zhang
2020-01-13 14:23:10 -08:00
parent cd6e908241
commit f81341a48b
4 changed files with 39 additions and 21 deletions
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21
src/prof_log.c
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@@ -633,12 +633,15 @@ prof_log_stop(tsdn_t *tsdn) {
sz_size2index(PROF_LOG_STOP_BUFSIZE), false, NULL, true,
arena_get(TSDN_NULL, 0, true), true);
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, prof_emitter_write_cb, &arg, buf,
PROF_LOG_STOP_BUFSIZE);
/* Emit to json. */
emitter_init(&emitter, emitter_output_json_compact, buf_write_cb,
&buf_arg);
if (buf == NULL) {
emitter_init(&emitter, emitter_output_json_compact,
prof_emitter_write_cb, &arg);
} else {
buf_write_init(&buf_arg, prof_emitter_write_cb, &arg, buf,
PROF_LOG_STOP_BUFSIZE);
emitter_init(&emitter, emitter_output_json_compact,
buf_write_cb, &buf_arg);
}
emitter_begin(&emitter);
prof_log_emit_metadata(&emitter);
@@ -647,8 +650,10 @@ prof_log_stop(tsdn_t *tsdn) {
prof_log_emit_allocs(tsd, &emitter);
emitter_end(&emitter);
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
if (buf != NULL) {
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
}
/* Reset global state. */
if (log_tables_initialized) {