|  | # See docs/devel/tracing.rst for syntax documentation. | 
|  |  | 
|  | # alsaaudio.c | 
|  | alsa_revents(int revents) "revents = %d" | 
|  | alsa_pollout(int i, int fd) "i = %d fd = %d" | 
|  | alsa_set_handler(int events, int index, int fd, int err) "events=0x%x index=%d fd=%d err=%d" | 
|  | alsa_wrote_zero(int len) "Failed to write %d frames (wrote zero)" | 
|  | alsa_read_zero(long len) "Failed to read %ld frames (read zero)" | 
|  | alsa_xrun_out(void) "Recovering from playback xrun" | 
|  | alsa_xrun_in(void) "Recovering from capture xrun" | 
|  | alsa_resume_out(void) "Resuming suspended output stream" | 
|  |  | 
|  | # ossaudio.c | 
|  | oss_version(int version) "OSS version = 0x%x" | 
|  |  | 
|  | # dbusaudio.c | 
|  | dbus_audio_register(const char *s, const char *dir) "sender = %s, dir = %s" | 
|  | dbus_audio_put_buffer_out(size_t len) "len = %zu" | 
|  | dbus_audio_read(size_t len) "len = %zu" | 
|  |  | 
|  | # audio.c | 
|  | audio_timer_start(int interval) "interval %d ms" | 
|  | audio_timer_stop(void) "" | 
|  | audio_timer_delayed(int interval) "interval %d ms" |