project-base/server-skynet-source-3rd-jemalloc
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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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16
src/jemalloc.c
View File

@@ -3716,12 +3716,16 @@ je_malloc_stats_print(void (*write_cb)(void *, const char *), void *cbopaque,
char *buf = (char *)iallocztm(tsdn, STATS_PRINT_BUFSIZE,
sz_size2index(STATS_PRINT_BUFSIZE), false, NULL, true,
arena_get(TSDN_NULL, 0, true), true);
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
STATS_PRINT_BUFSIZE);
stats_print(buf_write_cb, &buf_arg, opts);
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
if (buf == NULL) {
stats_print(write_cb, cbopaque, opts);
} else {
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
STATS_PRINT_BUFSIZE);
stats_print(buf_write_cb, &buf_arg, opts);
buf_write_flush(&buf_arg);
idalloctm(tsdn, buf, NULL, NULL, true, true);
}
}
check_entry_exit_locking(tsdn);

21
src/prof_log.c
View File

@@ -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) {

21
src/prof_recent.c
View File

@@ -465,12 +465,17 @@ prof_recent_alloc_dump(tsd_t *tsd, void (*write_cb)(void *, const char *),
char *buf = (char *)iallocztm(tsd_tsdn(tsd), PROF_RECENT_PRINT_BUFSIZE,
sz_size2index(PROF_RECENT_PRINT_BUFSIZE), false, NULL, true,
arena_get(tsd_tsdn(tsd), 0, false), true);
buf_write_arg_t buf_arg;
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
PROF_RECENT_PRINT_BUFSIZE);
emitter_t emitter;
emitter_init(&emitter, emitter_output_json_compact, buf_write_cb,
&buf_arg);
buf_write_arg_t buf_arg;
if (buf == NULL) {
emitter_init(&emitter, emitter_output_json_compact, write_cb,
cbopaque);
} else {
buf_write_init(&buf_arg, write_cb, cbopaque, buf,
PROF_RECENT_PRINT_BUFSIZE);
emitter_init(&emitter, emitter_output_json_compact,
buf_write_cb, &buf_arg);
}
emitter_begin(&emitter);
malloc_mutex_lock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
@@ -530,8 +535,10 @@ prof_recent_alloc_dump(tsd_t *tsd, void (*write_cb)(void *, const char *),
malloc_mutex_unlock(tsd_tsdn(tsd), &prof_recent_alloc_mtx);
emitter_end(&emitter);
buf_write_flush(&buf_arg);
idalloctm(tsd_tsdn(tsd), buf, NULL, NULL, true, true);
if (buf != NULL) {
buf_write_flush(&buf_arg);
idalloctm(tsd_tsdn(tsd), buf, NULL, NULL, true, true);
}
}
#undef PROF_RECENT_PRINT_BUFSIZE