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