From 27bb458a2f95113b8c0e180ffcd43b618d165e0e Mon Sep 17 00:00:00 2001 From: Stefan Hajnoczi Date: Fri, 16 Jun 2017 13:09:46 +0200 Subject: [PATCH 6/8] monitor: add handle_hmp_command trace event RH-Author: Stefan Hajnoczi Message-id: <20170616130947.6577-2-stefanha@redhat.com> Patchwork-id: 75624 O-Subject: [RHV-7.4 qemu-kvm-rhev PATCH 1/2] monitor: add handle_hmp_command trace event Bugzilla: 1457740 RH-Acked-by: Dr. David Alan Gilbert RH-Acked-by: Laszlo Ersek RH-Acked-by: Markus Armbruster It is often useful to correlate QEMU-internal events with monitor commands that caused them. Trace the full HMP command being executed. Signed-off-by: Stefan Hajnoczi Reviewed-by: Eric Blake Message-id: 20170605104216.22429-2-stefanha@redhat.com Signed-off-by: Stefan Hajnoczi (cherry picked from commit 79cad8b46ba79116ded5690ea2e265585bb9cb53) Signed-off-by: Stefan Hajnoczi Signed-off-by: Miroslav Rezanina --- monitor.c | 2 ++ trace-events | 1 + 2 files changed, 3 insertions(+) diff --git a/monitor.c b/monitor.c index d23f2eb..65b663e 100644 --- a/monitor.c +++ b/monitor.c @@ -3104,6 +3104,8 @@ static void handle_hmp_command(Monitor *mon, const char *cmdline) QDict *qdict; const mon_cmd_t *cmd; + trace_handle_hmp_command(mon, cmdline); + cmd = monitor_parse_command(mon, &cmdline, mon->cmd_table); if (!cmd) { return; diff --git a/trace-events b/trace-events index bd54701..54e5301 100644 --- a/trace-events +++ b/trace-events @@ -68,6 +68,7 @@ xen_map_cache_return(void* ptr) "%p" monitor_protocol_event_handler(uint32_t event, void *qdict) "event=%d data=%p" monitor_protocol_event_emit(uint32_t event, void *data) "event=%d data=%p" monitor_protocol_event_queue(uint32_t event, void *qdict, uint64_t rate) "event=%d data=%p rate=%" PRId64 +handle_hmp_command(void *mon, const char *cmdline) "mon %p cmdline: %s" # dma-helpers.c dma_blk_io(void *dbs, void *bs, int64_t offset, bool to_dev) "dbs=%p bs=%p offset=%" PRId64 " to_dev=%d" -- 1.8.3.1