The message context can optionally include the guest name if the argument '-msg guest-name=on' is given. The formatting, however, does not look good if the guest name contains whitespace. Change the output to include square brackets to demarcate the name. Before: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish -d 'trace:qcrypto*' -msg guest-name=on -name "fish food" fish food qemu-system-x86_64: (1146846:main): qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x55657e94e690 dir=fish fish food qemu-system-x86_64: (1146846:main): qcrypto_tls_creds_get_path TLS creds path creds=0x55657e94e690 filename=ca-cert.pem path=<none> fish food qemu-system-x86_64: (1146846:main): Unable to access credentials fish/ca-cert.pem: No such file or directory After: # qemu-system-x86_64 -object tls-creds-x509,id=t0,dir=fish -d 'trace:qcrypto*' -msg guest-name=on -name "fish food" [fish food] qemu-system-x86_64: (1144713:main): qcrypto_tls_creds_x509_load TLS creds x509 load creds=0x5604ada2c950 dir=fish [fish food] qemu-system-x86_64: (1144713:main): qcrypto_tls_creds_get_path TLS creds path creds=0x5604ada2c950 filename=ca-cert.pem path=<none> [fish food] qemu-system-x86_64: (1144713:main): Unable to access credentials fish/ca-cert.pem: No such file or directory Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com> --- util/message.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/util/message.c b/util/message.c index 9bf640c8c4..73af8e8ca4 100644 --- a/util/message.c +++ b/util/message.c @@ -29,8 +29,9 @@ void qmessage_context_print(FILE *fp) if ((message_format & QMESSAGE_FORMAT_WORKLOAD_NAME) && message_workloadname) { + fputc('[', fp); fputs(message_workloadname, fp); - fputc(' ', fp); + fputs("] ", fp); } if (message_format & QMESSAGE_FORMAT_PROGRAM_NAME) { -- 2.52.0