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authorSebastian Tanase <sebastian.tanase@openwide.fr>2014-07-25 11:56:33 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2014-08-07 15:09:48 +0200
commit27498bef357de432a9aa403c5ccf11776773ba58 (patch)
treec947695994b52bba46d00bac299bc6e2028b35fd /cpus.c
parent7f7bc144ed653c6026ec956045224666abdec316 (diff)
downloadqemu-arm-27498bef357de432a9aa403c5ccf11776773ba58.tar.gz
monitor: Add drift info to 'info jit'
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 <sebastian.tanase@openwide.fr> Tested-by: Camille Bégué <camille.begue@openwide.fr> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'cpus.c')
-rw-r--r--cpus.c19
1 files changed, 19 insertions, 0 deletions
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");
+ }
+}