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From 52e93f2dc499ead339bf808dac3480b369dfadd1 Mon Sep 17 00:00:00 2001
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From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
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Date: Mon, 27 Jan 2020 19:01:39 +0100
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Subject: [PATCH 068/116] virtiofsd: Add timestamp to the log with
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FUSE_LOG_DEBUG level
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Dr. David Alan Gilbert <dgilbert@redhat.com>
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Message-id: <20200127190227.40942-65-dgilbert@redhat.com>
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Patchwork-id: 93517
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O-Subject: [RHEL-AV-8.2 qemu-kvm PATCH 064/112] virtiofsd: Add timestamp to the log with FUSE_LOG_DEBUG level
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Bugzilla: 1694164
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RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Sergio Lopez Pascual <slp@redhat.com>
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From: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
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virtiofsd has some threads, so we see a lot of logs with debug option.
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It would be useful for debugging if we can see the timestamp.
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Add nano second timestamp, which got by get_clock(), to the log with
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FUSE_LOG_DEBUG level if the syslog option isn't set.
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The log is like as:
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# ./virtiofsd -d -o vhost_user_socket=/tmp/vhostqemu0 -o source=/tmp/share0 -o cache=auto
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...
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[5365943125463727] [ID: 00000002] fv_queue_thread: Start for queue 0 kick_fd 9
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[5365943125568644] [ID: 00000002] fv_queue_thread: Waiting for Queue 0 event
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[5365943125573561] [ID: 00000002] fv_queue_thread: Got queue event on Queue 0
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Signed-off-by: Masayoshi Mizuma <m.mizuma@jp.fujitsu.com>
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Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
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Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
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(cherry picked from commit 50fb955aa0e6ede929422146936cf68bf1ca876f)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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tools/virtiofsd/passthrough_ll.c | 9 ++++++++-
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1 file changed, 8 insertions(+), 1 deletion(-)
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diff --git a/tools/virtiofsd/passthrough_ll.c b/tools/virtiofsd/passthrough_ll.c
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index f08324f..98114a3 100644
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--- a/tools/virtiofsd/passthrough_ll.c
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+++ b/tools/virtiofsd/passthrough_ll.c
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@@ -36,6 +36,7 @@
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*/
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#include "qemu/osdep.h"
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+#include "qemu/timer.h"
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#include "fuse_virtio.h"
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#include "fuse_log.h"
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#include "fuse_lowlevel.h"
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@@ -2276,7 +2277,13 @@ static void log_func(enum fuse_log_level level, const char *fmt, va_list ap)
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}
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if (current_log_level == FUSE_LOG_DEBUG) {
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- localfmt = g_strdup_printf("[ID: %08ld] %s", syscall(__NR_gettid), fmt);
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+ if (!use_syslog) {
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+ localfmt = g_strdup_printf("[%" PRId64 "] [ID: %08ld] %s",
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+ get_clock(), syscall(__NR_gettid), fmt);
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+ } else {
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+ localfmt = g_strdup_printf("[ID: %08ld] %s", syscall(__NR_gettid),
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+ fmt);
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+ }
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fmt = localfmt;
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}
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--
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1.8.3.1
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