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52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
From 9c0c3626f90684710f2e8b527e31923ff711c543 Mon Sep 17 00:00:00 2001
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From: Vitaly Kuznetsov <vkuznets@redhat.com>
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Date: Sun, 29 Oct 2017 12:21:06 -0700
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Subject: [PATCH 08/21] hyper-v: trace vmbus_ongpadl_torndown()
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Add tracepoint to CHANNELMSG_GPADL_TORNDOWN handler.
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Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
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Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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(cherry picked from commit 602a8c525c8c7b2ff446894fc6b21f42471c952f)
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---
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drivers/hv/channel_mgmt.c | 2 ++
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drivers/hv/hv_trace.h | 8 ++++++++
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2 files changed, 10 insertions(+)
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diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c
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index 802d7692d7dd..329e7f6491a4 100644
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--- a/drivers/hv/channel_mgmt.c
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+++ b/drivers/hv/channel_mgmt.c
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@@ -1075,6 +1075,8 @@ static void vmbus_ongpadl_torndown(
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gpadl_torndown = (struct vmbus_channel_gpadl_torndown *)hdr;
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+ trace_vmbus_ongpadl_torndown(gpadl_torndown);
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+
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/*
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* Find the open msg, copy the result and signal/unblock the wait event
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*/
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diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h
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index 20734b7b341b..84c08cdf7235 100644
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--- a/drivers/hv/hv_trace.h
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+++ b/drivers/hv/hv_trace.h
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@@ -103,6 +103,14 @@ TRACE_EVENT(vmbus_ongpadl_created,
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)
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);
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+TRACE_EVENT(vmbus_ongpadl_torndown,
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+ TP_PROTO(const struct vmbus_channel_gpadl_torndown *gpadltorndown),
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+ TP_ARGS(gpadltorndown),
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+ TP_STRUCT__entry(__field(u32, gpadl)),
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+ TP_fast_assign(__entry->gpadl = gpadltorndown->gpadl),
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+ TP_printk("gpadl 0x%x", __entry->gpadl)
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+ );
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+
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#undef TRACE_INCLUDE_PATH
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#define TRACE_INCLUDE_PATH .
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#undef TRACE_INCLUDE_FILE
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--
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2.16.0
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