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authorKaike Wan <kaike.wan@intel.com>2018-09-26 19:27:03 +0200
committerJason Gunthorpe <jgg@mellanox.com>2018-10-01 03:21:12 +0200
commit15b796bc3d5cc8f776f5cb0770f9f3e8b282e4d1 (patch)
tree73aa589b06b4b1b075e0e0a475f95d52aa8c3f2d
parentIB/hfi1: Prepare resource waits for dual leg (diff)
downloadlinux-15b796bc3d5cc8f776f5cb0770f9f3e8b282e4d1.tar.xz
linux-15b796bc3d5cc8f776f5cb0770f9f3e8b282e4d1.zip
IB/hfi1: Add static trace for iowait
This patch adds the static trace for resource wait. Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
-rw-r--r--drivers/infiniband/hw/hfi1/iowait.c3
-rw-r--r--drivers/infiniband/hw/hfi1/trace.h3
-rw-r--r--drivers/infiniband/hw/hfi1/trace_iowait.h54
3 files changed, 59 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/iowait.c b/drivers/infiniband/hw/hfi1/iowait.c
index 59dc955f1880..582f1ba136ff 100644
--- a/drivers/infiniband/hw/hfi1/iowait.c
+++ b/drivers/infiniband/hw/hfi1/iowait.c
@@ -4,9 +4,11 @@
*
*/
#include "iowait.h"
+#include "trace_iowait.h"
void iowait_set_flag(struct iowait *wait, u32 flag)
{
+ trace_hfi1_iowait_set(wait, flag);
set_bit(flag, &wait->flags);
}
@@ -17,6 +19,7 @@ bool iowait_flag_set(struct iowait *wait, u32 flag)
inline void iowait_clear_flag(struct iowait *wait, u32 flag)
{
+ trace_hfi1_iowait_clear(wait, flag);
clear_bit(flag, &wait->flags);
}
diff --git a/drivers/infiniband/hw/hfi1/trace.h b/drivers/infiniband/hw/hfi1/trace.h
index 8540463ef3f7..84458f1325e1 100644
--- a/drivers/infiniband/hw/hfi1/trace.h
+++ b/drivers/infiniband/hw/hfi1/trace.h
@@ -1,5 +1,5 @@
/*
- * Copyright(c) 2015 - 2017 Intel Corporation.
+ * Copyright(c) 2015 - 2018 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.
@@ -62,3 +62,4 @@ __print_symbolic(etype, \
#include "trace_rx.h"
#include "trace_tx.h"
#include "trace_mmu.h"
+#include "trace_iowait.h"
diff --git a/drivers/infiniband/hw/hfi1/trace_iowait.h b/drivers/infiniband/hw/hfi1/trace_iowait.h
new file mode 100644
index 000000000000..27f4334ece2b
--- /dev/null
+++ b/drivers/infiniband/hw/hfi1/trace_iowait.h
@@ -0,0 +1,54 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Copyright(c) 2018 Intel Corporation.
+ *
+ */
+#if !defined(__HFI1_TRACE_IOWAIT_H) || defined(TRACE_HEADER_MULTI_READ)
+#define __HFI1_TRACE_IOWAIT_H
+
+#include <linux/tracepoint.h>
+#include "iowait.h"
+#include "verbs.h"
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM hfi1_iowait
+
+DECLARE_EVENT_CLASS(hfi1_iowait_template,
+ TP_PROTO(struct iowait *wait, u32 flag),
+ TP_ARGS(wait, flag),
+ TP_STRUCT__entry(/* entry */
+ __field(unsigned long, addr)
+ __field(unsigned long, flags)
+ __field(u32, flag)
+ __field(u32, qpn)
+ ),
+ TP_fast_assign(/* assign */
+ __entry->addr = (unsigned long)wait;
+ __entry->flags = wait->flags;
+ __entry->flag = (1 << flag);
+ __entry->qpn = iowait_to_qp(wait)->ibqp.qp_num;
+ ),
+ TP_printk(/* print */
+ "iowait 0x%lx qp %u flags 0x%lx flag 0x%x",
+ __entry->addr,
+ __entry->qpn,
+ __entry->flags,
+ __entry->flag
+ )
+ );
+
+DEFINE_EVENT(hfi1_iowait_template, hfi1_iowait_set,
+ TP_PROTO(struct iowait *wait, u32 flag),
+ TP_ARGS(wait, flag));
+
+DEFINE_EVENT(hfi1_iowait_template, hfi1_iowait_clear,
+ TP_PROTO(struct iowait *wait, u32 flag),
+ TP_ARGS(wait, flag));
+
+#endif /* __HFI1_TRACE_IOWAIT_H */
+
+#undef TRACE_INCLUDE_PATH
+#undef TRACE_INCLUDE_FILE
+#define TRACE_INCLUDE_PATH .
+#define TRACE_INCLUDE_FILE trace_iowait
+#include <trace/define_trace.h>