Re: [Qemu-devel] [PATCH 05/17] tcg: Simplify how dump_drift_info() prints

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Markus Armbruster (armbru@redhat.com) wrote:
> dump_drift_info() takes an fprintf()-like callback and a FILE * to pass
> to it.

Me thinks there's a pattern here....

> Its only caller hmp_info_jit() passes monitor_fprintf() and a Monitor
> * cast to FILE *.  monitor_fprintf() casts it right back, and is
> otherwise identical to monitor_printf().  The type-punning is ugly.
> 
> Drop the callback, and call qemu_printf() instead.
> 
> Signed-off-by: Markus Armbruster <armbru@redhat.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

> ---
>  cpus.c                | 15 +++++++++------
>  include/sysemu/cpus.h |  2 +-
>  monitor.c             |  2 +-
>  3 files changed, 11 insertions(+), 8 deletions(-)
> 
> diff --git a/cpus.c b/cpus.c
> index e83f72b48b..684aa9679a 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -31,6 +31,7 @@
>  #include "qapi/qapi-events-run-state.h"
>  #include "qapi/qmp/qerror.h"
>  #include "qemu/error-report.h"
> +#include "qemu/qemu-print.h"
>  #include "sysemu/sysemu.h"
>  #include "sysemu/block-backend.h"
>  #include "exec/gdbstub.h"
> @@ -2454,19 +2455,21 @@ void qmp_inject_nmi(Error **errp)
>      nmi_monitor_handle(monitor_get_cpu_index(), errp);
>  }
>  
> -void dump_drift_info(FILE *f, fprintf_function cpu_fprintf)
> +void dump_drift_info(void)
>  {
>      if (!use_icount) {
>          return;
>      }
>  
> -    cpu_fprintf(f, "Host - Guest clock  %"PRIi64" ms\n",
> +    qemu_printf("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);
> +        qemu_printf("Max guest delay     %"PRIi64" ms\n",
> +                    -max_delay / SCALE_MS);
> +        qemu_printf("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");
> +        qemu_printf("Max guest delay     NA\n");
> +        qemu_printf("Max guest advance   NA\n");
>      }
>  }
> diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h
> index eea0010b53..ef13a120cc 100644
> --- a/include/sysemu/cpus.h
> +++ b/include/sysemu/cpus.h
> @@ -19,7 +19,7 @@ extern int icount_align_option;
>  /* drift information for info jit command */
>  extern int64_t max_delay;
>  extern int64_t max_advance;
> -void dump_drift_info(FILE *f, fprintf_function cpu_fprintf);
> +void dump_drift_info(void);
>  
>  /* Unblock cpu */
>  void qemu_cpu_kick_self(void);
> diff --git a/monitor.c b/monitor.c
> index 24e4d49d11..7573689585 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -1319,7 +1319,7 @@ static void hmp_info_jit(Monitor *mon, const QDict *qdict)
>      }
>  
>      dump_exec_info();
> -    dump_drift_info((FILE *)mon, monitor_fprintf);
> +    dump_drift_info();
>  }
>  
>  static void hmp_info_opcount(Monitor *mon, const QDict *qdict)
> -- 
> 2.17.2
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK