mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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66433b05a3
Trace low level read and write FSI bus operations. Signed-off-by: Jeremy Kerr <jk@ozlabs.org> Signed-off-by: Joel Stanley <joel@jms.id.au> Signed-off-by: Christopher Bostic <cbostic@linux.vnet.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
128 lines
2.8 KiB
C
128 lines
2.8 KiB
C
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM fsi
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#if !defined(_TRACE_FSI_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_FSI_H
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#include <linux/tracepoint.h>
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TRACE_EVENT(fsi_master_read,
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TP_PROTO(const struct fsi_master *master, int link, int id,
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uint32_t addr, size_t size),
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TP_ARGS(master, link, id, addr, size),
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TP_STRUCT__entry(
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__field(int, master_idx)
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__field(int, link)
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__field(int, id)
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__field(__u32, addr)
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__field(size_t, size)
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),
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TP_fast_assign(
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__entry->master_idx = master->idx;
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__entry->link = link;
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__entry->id = id;
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__entry->addr = addr;
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__entry->size = size;
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),
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TP_printk("fsi%d:%02d:%02d %08x[%zd]",
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__entry->master_idx,
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__entry->link,
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__entry->id,
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__entry->addr,
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__entry->size
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)
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);
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TRACE_EVENT(fsi_master_write,
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TP_PROTO(const struct fsi_master *master, int link, int id,
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uint32_t addr, size_t size, const void *data),
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TP_ARGS(master, link, id, addr, size, data),
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TP_STRUCT__entry(
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__field(int, master_idx)
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__field(int, link)
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__field(int, id)
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__field(__u32, addr)
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__field(size_t, size)
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__field(__u32, data)
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),
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TP_fast_assign(
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__entry->master_idx = master->idx;
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__entry->link = link;
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__entry->id = id;
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__entry->addr = addr;
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__entry->size = size;
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__entry->data = 0;
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memcpy(&__entry->data, data, size);
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),
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TP_printk("fsi%d:%02d:%02d %08x[%zd] <= {%*ph}",
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__entry->master_idx,
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__entry->link,
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__entry->id,
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__entry->addr,
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__entry->size,
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(int)__entry->size, &__entry->data
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)
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);
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TRACE_EVENT(fsi_master_rw_result,
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TP_PROTO(const struct fsi_master *master, int link, int id,
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uint32_t addr, size_t size,
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bool write, const void *data, int ret),
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TP_ARGS(master, link, id, addr, size, write, data, ret),
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TP_STRUCT__entry(
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__field(int, master_idx)
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__field(int, link)
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__field(int, id)
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__field(__u32, addr)
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__field(size_t, size)
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__field(bool, write)
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__field(__u32, data)
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__field(int, ret)
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),
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TP_fast_assign(
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__entry->master_idx = master->idx;
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__entry->link = link;
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__entry->id = id;
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__entry->addr = addr;
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__entry->size = size;
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__entry->write = write;
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__entry->data = 0;
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__entry->ret = ret;
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if (__entry->write || !__entry->ret)
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memcpy(&__entry->data, data, size);
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),
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TP_printk("fsi%d:%02d:%02d %08x[%zd] %s {%*ph} ret %d",
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__entry->master_idx,
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__entry->link,
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__entry->id,
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__entry->addr,
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__entry->size,
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__entry->write ? "<=" : "=>",
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(int)__entry->size, &__entry->data,
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__entry->ret
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)
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);
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TRACE_EVENT(fsi_master_break,
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TP_PROTO(const struct fsi_master *master, int link),
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TP_ARGS(master, link),
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TP_STRUCT__entry(
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__field(int, master_idx)
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__field(int, link)
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),
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TP_fast_assign(
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__entry->master_idx = master->idx;
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__entry->link = link;
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),
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TP_printk("fsi%d:%d",
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__entry->master_idx,
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__entry->link
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)
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);
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#endif /* _TRACE_FSI_H */
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#include <trace/define_trace.h>
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