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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2020-09-07 03:55:30 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-09-30 19:09:20 +0200
commit4d7b9a6373504cd75a589775fee9debf76912d39 (patch)
treec7daf8e8f95a7ab92564f3f51512621f8e4e997c
parent6ab9be1ec1267865c2f4c334668e05f5810b8836 (diff)
hw/char/serial: Replace commented DPRINTF() by trace event
Convert the old debug PRINTF() call to display the UART baudrate to a trace event. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20200907015535.827885-3-f4bug@amsat.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--hw/char/serial.c4
-rw-r--r--hw/char/trace-events1
2 files changed, 2 insertions, 3 deletions
diff --git a/hw/char/serial.c b/hw/char/serial.c
index 840da89de7..e8029f840a 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -187,9 +187,7 @@ static void serial_update_parameters(SerialState *s)
ssp.stop_bits = stop_bits;
s->char_transmit_time = (NANOSECONDS_PER_SECOND / speed) * frame_size;
qemu_chr_fe_ioctl(&s->chr, CHR_IOCTL_SERIAL_SET_PARAMS, &ssp);
-
- DPRINTF("speed=%.2f parity=%c data=%d stop=%d\n",
- speed, parity, data_bits, stop_bits);
+ trace_serial_update_parameters(speed, parity, data_bits, stop_bits);
}
static void serial_update_msl(SerialState *s)
diff --git a/hw/char/trace-events b/hw/char/trace-events
index 2442a9f7d5..17304bef26 100644
--- a/hw/char/trace-events
+++ b/hw/char/trace-events
@@ -7,6 +7,7 @@ parallel_ioport_write(const char *desc, uint16_t addr, uint8_t value) "write [%s
# serial.c
serial_ioport_read(uint16_t addr, uint8_t value) "read addr 0x%02x val 0x%02x"
serial_ioport_write(uint16_t addr, uint8_t value) "write addr 0x%02x val 0x%02x"
+serial_update_parameters(uint64_t baudrate, char parity, int data_bits, int stop_bits) "baudrate=%"PRIu64" parity='%c' data=%d stop=%d"
# virtio-serial-bus.c
virtio_serial_send_control_event(unsigned int port, uint16_t event, uint16_t value) "port %u, event %u, value %u"