From 410840cdb1342751f58a3521f48d5a9faf694c3b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Mon, 12 Sep 2022 14:24:51 +0400 Subject: [PATCH] ui: add some vdagent related traces MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This helps debugging clipboard serial sync issues. Signed-off-by: Marc-André Lureau Message-Id: <20220912102455.111765-2-marcandre.lureau@redhat.com> [ kraxel: code style fix ] Signed-off-by: Gerd Hoffmann --- ui/clipboard.c | 11 +++++++++-- ui/trace-events | 5 +++++ ui/vdagent.c | 4 ++++ 3 files changed, 18 insertions(+), 2 deletions(-) diff --git a/ui/clipboard.c b/ui/clipboard.c index 9079ef829b..cd5382fcb0 100644 --- a/ui/clipboard.c +++ b/ui/clipboard.c @@ -1,5 +1,6 @@ #include "qemu/osdep.h" #include "ui/clipboard.h" +#include "trace.h" static NotifierList clipboard_notifiers = NOTIFIER_LIST_INITIALIZER(clipboard_notifiers); @@ -43,17 +44,23 @@ void qemu_clipboard_peer_release(QemuClipboardPeer *peer, bool qemu_clipboard_check_serial(QemuClipboardInfo *info, bool client) { + bool ok; + if (!info->has_serial || !cbinfo[info->selection] || !cbinfo[info->selection]->has_serial) { + trace_clipboard_check_serial(-1, -1, true); return true; } if (client) { - return cbinfo[info->selection]->serial >= info->serial; + ok = cbinfo[info->selection]->serial >= info->serial; } else { - return cbinfo[info->selection]->serial > info->serial; + ok = cbinfo[info->selection]->serial > info->serial; } + + trace_clipboard_check_serial(cbinfo[info->selection]->serial, info->serial, ok); + return ok; } void qemu_clipboard_update(QemuClipboardInfo *info) diff --git a/ui/trace-events b/ui/trace-events index a922f00e10..977577fbba 100644 --- a/ui/trace-events +++ b/ui/trace-events @@ -127,15 +127,20 @@ xkeymap_vendor(const char *name) "vendor '%s'" xkeymap_keycodes(const char *name) "keycodes '%s'" xkeymap_keymap(const char *name) "keymap '%s'" +# clipboard.c +clipboard_check_serial(int cur, int recv, bool ok) "cur:%d recv:%d %d" + # vdagent.c vdagent_open(void) "" vdagent_close(void) "" +vdagent_disconnect(void) "" vdagent_send(const char *name) "msg %s" vdagent_send_empty_clipboard(void) "" vdagent_recv_chunk(uint32_t size) "size %d" vdagent_recv_msg(const char *name, uint32_t size) "msg %s, size %d" vdagent_peer_cap(const char *name) "cap %s" vdagent_cb_grab_selection(const char *name) "selection %s" +vdagent_cb_grab_discard(const char *name, int cur, int recv) "selection %s, cur:%d recv:%d" vdagent_cb_grab_type(const char *name) "type %s" vdagent_cb_serial_discard(uint32_t current, uint32_t received) "current=%u, received=%u" diff --git a/ui/vdagent.c b/ui/vdagent.c index a899eed195..58ce7507fd 100644 --- a/ui/vdagent.c +++ b/ui/vdagent.c @@ -533,6 +533,8 @@ static void vdagent_clipboard_recv_grab(VDAgentChardev *vd, uint8_t s, uint32_t info->has_serial = true; info->serial = *(uint32_t *)data; if (info->serial < vd->last_serial[s]) { + trace_vdagent_cb_grab_discard(GET_NAME(sel_name, s), + vd->last_serial[s], info->serial); /* discard lower-ordering guest grab */ return; } @@ -853,6 +855,8 @@ static void vdagent_chr_accept_input(Chardev *chr) static void vdagent_disconnect(VDAgentChardev *vd) { + trace_vdagent_disconnect(); + buffer_reset(&vd->outbuf); vdagent_reset_bufs(vd); vd->caps = 0;