linux/include/trace/events/fsi_master_gpio.h
Benjamin Herrenschmidt 777fd524ba fsi: master-gpio: Add more tracepoints
This adds a few more tracepoints that have proven useful when
debugging issues with the FSI bus.

This also makes echo_delay() use clock_zeros() instead of
open-code it in order to share the tracepoint.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
2018-07-12 12:02:31 +10:00

172 lines
3.9 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fsi_master_gpio
#if !defined(_TRACE_FSI_MASTER_GPIO_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FSI_MASTER_GPIO_H
#include <linux/tracepoint.h>
TRACE_EVENT(fsi_master_gpio_in,
TP_PROTO(const struct fsi_master_gpio *master, int bits, uint64_t msg),
TP_ARGS(master, bits, msg),
TP_STRUCT__entry(
__field(int, master_idx)
__field(int, bits)
__field(uint64_t, msg)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->bits = bits;
__entry->msg = msg & ((1ull<<bits) - 1);
),
TP_printk("fsi-gpio%d => %0*llx[%d]",
__entry->master_idx,
(__entry->bits + 3) / 4,
__entry->msg,
__entry->bits
)
);
TRACE_EVENT(fsi_master_gpio_out,
TP_PROTO(const struct fsi_master_gpio *master, int bits, uint64_t msg),
TP_ARGS(master, bits, msg),
TP_STRUCT__entry(
__field(int, master_idx)
__field(int, bits)
__field(uint64_t, msg)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->bits = bits;
__entry->msg = msg & ((1ull<<bits) - 1);
),
TP_printk("fsi-gpio%d <= %0*llx[%d]",
__entry->master_idx,
(__entry->bits + 3) / 4,
__entry->msg,
__entry->bits
)
);
TRACE_EVENT(fsi_master_gpio_clock_zeros,
TP_PROTO(const struct fsi_master_gpio *master, int clocks),
TP_ARGS(master, clocks),
TP_STRUCT__entry(
__field(int, master_idx)
__field(int, clocks)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->clocks = clocks;
),
TP_printk("fsi-gpio%d clock %d zeros",
__entry->master_idx, __entry->clocks
)
);
TRACE_EVENT(fsi_master_gpio_break,
TP_PROTO(const struct fsi_master_gpio *master),
TP_ARGS(master),
TP_STRUCT__entry(
__field(int, master_idx)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
),
TP_printk("fsi-gpio%d ----break---",
__entry->master_idx
)
);
TRACE_EVENT(fsi_master_gpio_crc_cmd_error,
TP_PROTO(const struct fsi_master_gpio *master),
TP_ARGS(master),
TP_STRUCT__entry(
__field(int, master_idx)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
),
TP_printk("fsi-gpio%d ----CRC command retry---",
__entry->master_idx
)
);
TRACE_EVENT(fsi_master_gpio_crc_rsp_error,
TP_PROTO(const struct fsi_master_gpio *master),
TP_ARGS(master),
TP_STRUCT__entry(
__field(int, master_idx)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
),
TP_printk("fsi-gpio%d ----CRC response---",
__entry->master_idx
)
);
TRACE_EVENT(fsi_master_gpio_poll_response_busy,
TP_PROTO(const struct fsi_master_gpio *master, int busy),
TP_ARGS(master, busy),
TP_STRUCT__entry(
__field(int, master_idx)
__field(int, busy)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->busy = busy;
),
TP_printk("fsi-gpio%d: device reported busy %d times",
__entry->master_idx, __entry->busy)
);
TRACE_EVENT(fsi_master_gpio_cmd_abs_addr,
TP_PROTO(const struct fsi_master_gpio *master, u32 addr),
TP_ARGS(master, addr),
TP_STRUCT__entry(
__field(int, master_idx)
__field(u32, addr)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->addr = addr;
),
TP_printk("fsi-gpio%d: Sending ABS_ADR %06x",
__entry->master_idx, __entry->addr)
);
TRACE_EVENT(fsi_master_gpio_cmd_rel_addr,
TP_PROTO(const struct fsi_master_gpio *master, u32 rel_addr),
TP_ARGS(master, rel_addr),
TP_STRUCT__entry(
__field(int, master_idx)
__field(u32, rel_addr)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
__entry->rel_addr = rel_addr;
),
TP_printk("fsi-gpio%d: Sending REL_ADR %03x",
__entry->master_idx, __entry->rel_addr)
);
TRACE_EVENT(fsi_master_gpio_cmd_same_addr,
TP_PROTO(const struct fsi_master_gpio *master),
TP_ARGS(master),
TP_STRUCT__entry(
__field(int, master_idx)
),
TP_fast_assign(
__entry->master_idx = master->master.idx;
),
TP_printk("fsi-gpio%d: Sending SAME_ADR",
__entry->master_idx)
);
#endif /* _TRACE_FSI_MASTER_GPIO_H */
#include <trace/define_trace.h>