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hw/char/pl011: Improve RX flow tracing events

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Log FIFO use (availability and depth).

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Luc Michel <luc.michel@amd.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250220092903.3726-4-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-02-19 15:37:08 +01:00
parent f33af61dba
commit 2c459f734d
2 changed files with 10 additions and 7 deletions
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7
hw/char/trace-events
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@ -60,12 +60,13 @@ imx_serial_put_data(const char *chrname, uint32_t value) "%s: 0x%" PRIx32
# pl011.c
pl011_irq_state(int level) "irq state %d"
pl011_read(uint32_t addr, uint32_t value, const char *regname) "addr 0x%03x value 0x%08x reg %s"
pl011_read_fifo(int read_count) "FIFO read, read_count now %d"
pl011_read_fifo(unsigned rx_fifo_used, size_t rx_fifo_depth) "RX FIFO read, used %u/%zu"
pl011_write(uint32_t addr, uint32_t value, const char *regname) "addr 0x%03x value 0x%08x reg %s"
pl011_can_receive(uint32_t lcr, int read_count, int r) "LCR 0x%08x read_count %d returning %d"
pl011_fifo_rx_put(uint32_t c, int read_count) "new char 0x%02x read_count now %d"
pl011_can_receive(uint32_t lcr, unsigned rx_fifo_used, size_t rx_fifo_depth, unsigned rx_fifo_available) "LCR 0x%02x, RX FIFO used %u/%zu, can_receive %u chars"
pl011_fifo_rx_put(uint32_t c, unsigned read_count, size_t rx_fifo_depth) "RX FIFO push char [0x%02x] %d/%zu depth used"
pl011_fifo_rx_full(void) "RX FIFO now full, RXFF set"
pl011_baudrate_change(unsigned int baudrate, uint64_t clock, uint32_t ibrd, uint32_t fbrd) "new baudrate %u (clk: %" PRIu64 "hz, ibrd: %" PRIu32 ", fbrd: %" PRIu32 ")"
pl011_receive(int size) "recv %d chars"
# cmsdk-apb-uart.c
cmsdk_apb_uart_read(uint64_t offset, uint64_t data, unsigned size) "CMSDK APB UART read: offset 0x%" PRIx64 " data 0x%" PRIx64 " size %u"