From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752112AbdJ2TZS (ORCPT ); Sun, 29 Oct 2017 15:25:18 -0400 Received: from a2nlsmtp01-04.prod.iad2.secureserver.net ([198.71.225.38]:59682 "EHLO a2nlsmtp01-04.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751851AbdJ2TWT (ORCPT ); Sun, 29 Oct 2017 15:22:19 -0400 x-originating-ip: 107.180.71.197 From: kys@exchange.microsoft.com To: gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, devel@linuxdriverproject.org, olaf@aepfle.de, apw@canonical.com, vkuznets@redhat.com, jasowang@redhat.com, leann.ogasawara@canonical.com, marcelo.cerri@canonical.com, sthemmin@microsoft.com Cc: "K . Y . Srinivasan" Subject: [PATCH 08/17] hyper-v: trace vmbus_onversion_response() Date: Sun, 29 Oct 2017 12:21:07 -0700 Message-Id: <20171029192116.12466-8-kys@exchange.microsoft.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171029192116.12466-1-kys@exchange.microsoft.com> References: <20171029192030.12356-1-kys@exchange.microsoft.com> <20171029192116.12466-1-kys@exchange.microsoft.com> Reply-To: kys@microsoft.com X-CMAE-Envelope: MS4wfPZfhFQ8wBRpEhG6mbEGpqTo4P35B/ezZQDVzQpdVsZMYdeq5XlRS9KLzsp9ZTSc36n3IfiL3DhALB+jpbcsIk/NeZ4T+CxNdChJz8v5O4npHQMyUzhk QxdCkd9dpywKm1+ZHEZVvNAiaC9b+4SOwbjaHIZVt5XgKd9oKNCZI6PtQwDESYDcWp/rGvbnB3a2PqYJOiY0lG5eGA/4ynq9lt+oB/MssBlVSmepPA4ayvZ1 Dd1owIfyR6JMEq8lQosS9y+Tlw/MsmpZi4X1TYybtBf2cpcVp1qHFeZt+ynlod0yZW6XSm2tRweepqk1xBgj8NIh2ngG0uecYwjpA8UqKHt2rgKnuUR9g6RC sgxUtgwV7QOYeh/4ohaAP6b45epXBEVNT4vehUq+hLnAmoqR7OsYuWOqbzaBxubt7TjjvZmnL6p7EBbN4qaiSXl0JG3BxRYm58BELhZleTb7MTbRWixVcigA oBG7Wbf9VoaVBuLKXm1032+DCsejcOCvAUTez51nZEPFeL8NkajR+7rPwOZWdcVWK+Z75oSstr8obYM7 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Vitaly Kuznetsov Add tracepoint to CHANNELMSG_VERSION_RESPONSE handler. Signed-off-by: Vitaly Kuznetsov Signed-off-by: K. Y. Srinivasan --- drivers/hv/channel_mgmt.c | 3 +++ drivers/hv/hv_trace.h | 11 +++++++++++ 2 files changed, 14 insertions(+) diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index d1cb85257bf0..c33b7412f303 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -1127,6 +1127,9 @@ static void vmbus_onversion_response( unsigned long flags; version_response = (struct vmbus_channel_version_response *)hdr; + + trace_vmbus_onversion_response(version_response); + spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_for_each_entry(msginfo, &vmbus_connection.chn_msg_list, diff --git a/drivers/hv/hv_trace.h b/drivers/hv/hv_trace.h index 84c08cdf7235..2a046547107f 100644 --- a/drivers/hv/hv_trace.h +++ b/drivers/hv/hv_trace.h @@ -111,6 +111,17 @@ TRACE_EVENT(vmbus_ongpadl_torndown, TP_printk("gpadl 0x%x", __entry->gpadl) ); +TRACE_EVENT(vmbus_onversion_response, + TP_PROTO(const struct vmbus_channel_version_response *response), + TP_ARGS(response), + TP_STRUCT__entry( + __field(u8, ver) + ), + TP_fast_assign(__entry->ver = response->version_supported; + ), + TP_printk("version_supported %d", __entry->ver) + ); + #undef TRACE_INCLUDE_PATH #define TRACE_INCLUDE_PATH . #undef TRACE_INCLUDE_FILE -- 2.14.1