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path: root/drivers/infiniband/hw/hfi1/trace.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/trace.c')
-rw-r--r--drivers/infiniband/hw/hfi1/trace.c42
1 files changed, 41 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/trace.c b/drivers/infiniband/hw/hfi1/trace.c
index 9a3d236bcc88..b219ea90fd6f 100644
--- a/drivers/infiniband/hw/hfi1/trace.c
+++ b/drivers/infiniband/hw/hfi1/trace.c
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2015 - 2018 Intel Corporation.
+ * Copyright(c) 2015 - 2020 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
@@ -47,6 +47,7 @@
#define CREATE_TRACE_POINTS
#include "trace.h"
#include "exp_rcv.h"
+#include "ipoib.h"
static u8 __get_ib_hdr_len(struct ib_header *hdr)
{
@@ -126,6 +127,7 @@ const char *hfi1_trace_get_packet_l2_str(u8 l2)
#define RETH_PRN "reth vaddr:0x%.16llx rkey:0x%.8x dlen:0x%.8x"
#define AETH_PRN "aeth syn:0x%.2x %s msn:0x%.8x"
#define DETH_PRN "deth qkey:0x%.8x sqpn:0x%.6x"
+#define DETH_ENTROPY_PRN "deth qkey:0x%.8x sqpn:0x%.6x entropy:0x%.2x"
#define IETH_PRN "ieth rkey:0x%.8x"
#define ATOMICACKETH_PRN "origdata:%llx"
#define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
@@ -444,6 +446,12 @@ const char *parse_everbs_hdrs(
break;
/* deth */
case OP(UD, SEND_ONLY):
+ trace_seq_printf(p, DETH_ENTROPY_PRN,
+ be32_to_cpu(eh->ud.deth[0]),
+ be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK,
+ be32_to_cpu(eh->ud.deth[1]) >>
+ HFI1_IPOIB_ENTROPY_SHIFT);
+ break;
case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
trace_seq_printf(p, DETH_PRN,
be32_to_cpu(eh->ud.deth[0]),
@@ -512,6 +520,38 @@ u16 hfi1_trace_get_tid_idx(u32 ent)
return EXP_TID_GET(ent, IDX);
}
+struct hfi1_ctxt_hist {
+ atomic_t count;
+ atomic_t data[255];
+};
+
+struct hfi1_ctxt_hist hist = {
+ .count = ATOMIC_INIT(0)
+};
+
+const char *hfi1_trace_print_rsm_hist(struct trace_seq *p, unsigned int ctxt)
+{
+ int i, len = ARRAY_SIZE(hist.data);
+ const char *ret = trace_seq_buffer_ptr(p);
+ unsigned long packet_count = atomic_fetch_inc(&hist.count);
+
+ trace_seq_printf(p, "packet[%lu]", packet_count);
+ for (i = 0; i < len; ++i) {
+ unsigned long val;
+ atomic_t *count = &hist.data[i];
+
+ if (ctxt == i)
+ val = atomic_fetch_inc(count);
+ else
+ val = atomic_read(count);
+
+ if (val)
+ trace_seq_printf(p, "(%d:%lu)", i, val);
+ }
+ trace_seq_putc(p, 0);
+ return ret;
+}
+
__hfi1_trace_fn(AFFINITY);
__hfi1_trace_fn(PKT);
__hfi1_trace_fn(PROC);