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IB/hfi1: Add traces for TID operations 

This patch adds a trace for putting a TID and
for writing the RcvArray CSR.

The CSR access template can be easily extended for additional
CSR readq/writeq calls.

Reviewed-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Mike Marciniszyn 2017-06-09 15:59:59 -07:00 committed by Doug Ledford
parent f523984fb8
commit 8cb1021b80
3 changed files with 57 additions and 14 deletions
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16
drivers/infiniband/hw/hfi1/chip.c
View File

@ -9745,17 +9745,6 @@ static inline int init_cpu_counters(struct hfi1_devdata *dd)
return 0;
}
static const char * const pt_names[] = {
"expected",
"eager",
"invalid"
};
static const char *pt_name(u32 type)
{
return type >= ARRAY_SIZE(pt_names) ? "unknown" : pt_names[type];
}
/*
* index is the index into the receive array
*/
@ -9777,15 +9766,14 @@ void hfi1_put_tid(struct hfi1_devdata *dd, u32 index,
type, index);
goto done;
}
hfi1_cdbg(TID, "type %s, index 0x%x, pa 0x%lx, bsize 0x%lx",
pt_name(type), index, pa, (unsigned long)order);
trace_hfi1_put_tid(dd, index, type, pa, order);
#define RT_ADDR_SHIFT 12 /* 4KB kernel address boundary */
reg = RCV_ARRAY_RT_WRITE_ENABLE_SMASK
| (u64)order << RCV_ARRAY_RT_BUF_SIZE_SHIFT
| ((pa >> RT_ADDR_SHIFT) & RCV_ARRAY_RT_ADDR_MASK)
<< RCV_ARRAY_RT_ADDR_SHIFT;
trace_hfi1_write_rcvarray(base + (index * 8), reg);
writeq(reg, base + (index * 8));
if (type == PT_EAGER)

20
drivers/infiniband/hw/hfi1/trace_misc.h
View File

@ -72,6 +72,26 @@ TRACE_EVENT(hfi1_interrupt,
__entry->src)
);
DECLARE_EVENT_CLASS(
hfi1_csr_template,
TP_PROTO(void __iomem *addr, u64 value),
TP_ARGS(addr, value),
TP_STRUCT__entry(
__field(void __iomem *, addr)
__field(u64, value)
),
TP_fast_assign(
__entry->addr = addr;
__entry->value = value;
),
TP_printk("addr %p value %llx", __entry->addr, __entry->value)
);
DEFINE_EVENT(
hfi1_csr_template, hfi1_write_rcvarray,
TP_PROTO(void __iomem *addr, u64 value),
TP_ARGS(addr, value));
#ifdef CONFIG_FAULT_INJECTION
TRACE_EVENT(hfi1_fault_opcode,
TP_PROTO(struct rvt_qp *qp, u8 opcode),

35
drivers/infiniband/hw/hfi1/trace_rx.h
View File

@ -52,6 +52,13 @@
#include "hfi.h"
#define tidtype_name(type) { PT_##type, #type }
#define show_tidtype(type) \
__print_symbolic(type, \
tidtype_name(EXPECTED), \
tidtype_name(EAGER), \
tidtype_name(INVALID)) \
#undef TRACE_SYSTEM
#define TRACE_SYSTEM hfi1_rx
@ -185,6 +192,34 @@ DEFINE_EVENT(
unsigned long va, unsigned long pa, dma_addr_t dma),
TP_ARGS(ctxt, subctxt, rarr, npages, va, pa, dma));
TRACE_EVENT(
hfi1_put_tid,
TP_PROTO(struct hfi1_devdata *dd,
u32 index, u32 type, unsigned long pa, u16 order),
TP_ARGS(dd, index, type, pa, order),
TP_STRUCT__entry(
DD_DEV_ENTRY(dd)
__field(unsigned long, pa);
__field(u32, index);
__field(u32, type);
__field(u16, order);
),
TP_fast_assign(
DD_DEV_ASSIGN(dd);
__entry->pa = pa;
__entry->index = index;
__entry->type = type;
__entry->order = order;
),
TP_printk("[%s] type %s pa %lx index %u order %u",
__get_str(dev),
show_tidtype(__entry->type),
__entry->pa,
__entry->index,
__entry->order
)
);
TRACE_EVENT(hfi1_exp_tid_inval,
TP_PROTO(unsigned int ctxt, u16 subctxt, unsigned long va, u32 rarr,
u32 npages, dma_addr_t dma),