Re: [PATCH 14/20] spapr: Remove unhelpful tracepoints from spapr_irq_free_xics()

[Greg Kurz <groug@kaod.org>]

On Wed, 25 Sep 2019 16:45:28 +1000
David Gibson <david@gibson.dropbear.id.au> wrote:

> These traces contain some useless information (the always-0 source#) and
> have no equivalents for XIVE mode.  For now just remove them, and we can
> put back something more sensible if and when we need it.
> 
> Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
> ---

Reviewed-by: Greg Kurz <groug@kaod.org>

>  hw/ppc/spapr_irq.c  | 4 ----
>  hw/ppc/trace-events | 4 ----
>  2 files changed, 8 deletions(-)
> 
> diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c
> index 79167ccc68..db6755f3ab 100644
> --- a/hw/ppc/spapr_irq.c
> +++ b/hw/ppc/spapr_irq.c
> @@ -140,11 +140,7 @@ static void spapr_irq_free_xics(SpaprMachineState *spapr, int irq, int num)
>      int i;
>  
>      if (ics_valid_irq(ics, irq)) {
> -        trace_spapr_irq_free(0, irq, num);
>          for (i = srcno; i < srcno + num; ++i) {
> -            if (ics_irq_free(ics, i)) {
> -                trace_spapr_irq_free_warn(0, i);
> -            }
>              memset(&ics->irqs[i], 0, sizeof(ICSIRQState));
>          }
>      }
> diff --git a/hw/ppc/trace-events b/hw/ppc/trace-events
> index 96dad767a1..9ea620f23c 100644
> --- a/hw/ppc/trace-events
> +++ b/hw/ppc/trace-events
> @@ -13,10 +13,6 @@ spapr_pci_msi_retry(unsigned config_addr, unsigned req_num, unsigned max_irqs) "
>  spapr_cas_failed(unsigned long n) "DT diff buffer is too small: %ld bytes"
>  spapr_cas_continue(unsigned long n) "Copy changes to the guest: %ld bytes"
>  
> -# spapr_irq.c
> -spapr_irq_free(int src, int irq, int num) "Source#%d, first irq %d, %d irqs"
> -spapr_irq_free_warn(int src, int irq) "Source#%d, irq %d is already free"
> -
>  # spapr_hcall.c
>  spapr_cas_pvr(uint32_t cur_pvr, bool explicit_match, uint32_t new_pvr) "current=0x%x, explicit_match=%u, new=0x%x"
>  spapr_h_resize_hpt_prepare(uint64_t flags, uint64_t shift) "flags=0x%"PRIx64", shift=%"PRIu64