From a7060ba3ccc0ec6b8674988b46fc131d2f299458 Mon Sep 17 00:00:00 2001 From: Peter Xu Date: Tue, 1 Mar 2022 16:39:01 +0800 Subject: [PATCH] migration: Dump sub-cmd name in loadvm_process_command tp It'll be easier to read the name rather than index of sub-cmd when debugging. Reviewed-by: Dr. David Alan Gilbert Signed-off-by: Peter Xu Message-Id: <20220301083925.33483-2-peterx@redhat.com> Signed-off-by: Dr. David Alan Gilbert --- migration/savevm.c | 3 ++- migration/trace-events | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/migration/savevm.c b/migration/savevm.c index 1599b02fbc..7bb65e1d61 100644 --- a/migration/savevm.c +++ b/migration/savevm.c @@ -2273,12 +2273,13 @@ static int loadvm_process_command(QEMUFile *f) return qemu_file_get_error(f); } - trace_loadvm_process_command(cmd, len); if (cmd >= MIG_CMD_MAX || cmd == MIG_CMD_INVALID) { error_report("MIG_CMD 0x%x unknown (len 0x%x)", cmd, len); return -EINVAL; } + trace_loadvm_process_command(mig_cmd_args[cmd].name, len); + if (mig_cmd_args[cmd].len != -1 && mig_cmd_args[cmd].len != len) { error_report("%s received with bad length - expecting %zu, got %d", mig_cmd_args[cmd].name, diff --git a/migration/trace-events b/migration/trace-events index 48aa7b10ee..123cfe79d7 100644 --- a/migration/trace-events +++ b/migration/trace-events @@ -22,7 +22,7 @@ loadvm_postcopy_handle_resume(void) "" loadvm_postcopy_ram_handle_discard(void) "" loadvm_postcopy_ram_handle_discard_end(void) "" loadvm_postcopy_ram_handle_discard_header(const char *ramid, uint16_t len) "%s: %ud" -loadvm_process_command(uint16_t com, uint16_t len) "com=0x%x len=%d" +loadvm_process_command(const char *s, uint16_t len) "com=%s len=%d" loadvm_process_command_ping(uint32_t val) "0x%x" postcopy_ram_listen_thread_exit(void) "" postcopy_ram_listen_thread_start(void) ""