From 27498bef357de432a9aa403c5ccf11776773ba58 Mon Sep 17 00:00:00 2001 From: Sebastian Tanase Date: Fri, 25 Jul 2014 11:56:33 +0200 Subject: monitor: Add drift info to 'info jit' MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Show in 'info jit' the current delay between the host clock and the guest clock. In addition, print the maximum advance and delay of the guest compared to the host. Signed-off-by: Sebastian Tanase Tested-by: Camille Bégué Signed-off-by: Paolo Bonzini --- cpus.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'cpus.c') diff --git a/cpus.c b/cpus.c index 19245e99b9..2b5c0bd7c7 100644 --- a/cpus.c +++ b/cpus.c @@ -64,6 +64,8 @@ #endif /* CONFIG_LINUX */ static CPUState *next_cpu; +int64_t max_delay; +int64_t max_advance; bool cpu_is_stopped(CPUState *cpu) { @@ -1552,3 +1554,20 @@ void qmp_inject_nmi(Error **errp) error_set(errp, QERR_UNSUPPORTED); #endif } + +void dump_drift_info(FILE *f, fprintf_function cpu_fprintf) +{ + if (!use_icount) { + return; + } + + cpu_fprintf(f, "Host - Guest clock %"PRIi64" ms\n", + (cpu_get_clock() - cpu_get_icount())/SCALE_MS); + if (icount_align_option) { + cpu_fprintf(f, "Max guest delay %"PRIi64" ms\n", -max_delay/SCALE_MS); + cpu_fprintf(f, "Max guest advance %"PRIi64" ms\n", max_advance/SCALE_MS); + } else { + cpu_fprintf(f, "Max guest delay NA\n"); + cpu_fprintf(f, "Max guest advance NA\n"); + } +} -- cgit v1.2.3