Re: [Qemu-devel] [PATCH v2 06/17] dma/rc4030: use trace events instead of custom logging

[Aurelien Jarno <aurelien@aurel32.net>]

On 2015-05-27 14:19, Hervé Poussineau wrote:
> Remove also unneeded debug logs.
> 
> Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
> ---
>  hw/dma/rc4030.c | 81 ++++++++++++---------------------------------------------
>  trace-events    |  6 +++++
>  2 files changed, 22 insertions(+), 65 deletions(-)
> 
> diff --git a/hw/dma/rc4030.c b/hw/dma/rc4030.c
> index bf82eed..55844ed 100644
> --- a/hw/dma/rc4030.c
> +++ b/hw/dma/rc4030.c
> @@ -26,24 +26,7 @@
>  #include "hw/mips/mips.h"
>  #include "qemu/timer.h"
>  #include "exec/address-spaces.h"
> -
> -/********************************************************/
> -/* debug rc4030 */
> -
> -//#define DEBUG_RC4030
> -//#define DEBUG_RC4030_DMA
> -
> -#ifdef DEBUG_RC4030
> -#define DPRINTF(fmt, ...) \
> -do { printf("rc4030: " fmt , ## __VA_ARGS__); } while (0)
> -static const char* irq_names[] = { "parallel", "floppy", "sound", "video",
> -            "network", "scsi", "keyboard", "mouse", "serial0", "serial1" };
> -#else
> -#define DPRINTF(fmt, ...)
> -#endif
> -
> -#define RC4030_ERROR(fmt, ...) \
> -do { fprintf(stderr, "rc4030 ERROR: %s: " fmt, __func__ , ## __VA_ARGS__); } while (0)
> +#include "trace.h"
>  
>  /********************************************************/
>  /* rc4030 emulation                                     */
> @@ -251,13 +234,14 @@ static uint64_t rc4030_read(void *opaque, hwaddr addr, unsigned int size)
>          val = 7; /* FIXME: should be read from EISA controller */
>          break;
>      default:
> -        RC4030_ERROR("invalid read [" TARGET_FMT_plx "]\n", addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "rc4030: invalid read at 0x%x", (int)addr);
>          val = 0;
>          break;
>      }
>  
>      if ((addr & ~3) != 0x230) {
> -        DPRINTF("read 0x%02x at " TARGET_FMT_plx "\n", val, addr);
> +        trace_rc4030_read(addr, val);
>      }
>  
>      return val;
> @@ -360,7 +344,7 @@ static void rc4030_write(void *opaque, hwaddr addr, uint64_t data,
>      uint32_t val = data;
>      addr &= 0x3fff;
>  
> -    DPRINTF("write 0x%02x at " TARGET_FMT_plx "\n", val, addr);
> +    trace_rc4030_write(addr, val);
>  
>      switch (addr & ~0x3) {
>      /* Global config register */
> @@ -475,7 +459,9 @@ static void rc4030_write(void *opaque, hwaddr addr, uint64_t data,
>      case 0x0238:
>          break;
>      default:
> -        RC4030_ERROR("invalid write of 0x%02x at [" TARGET_FMT_plx "]\n", val, addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "rc4030: invalid write of 0x%02x at 0x%x",
> +                      val, (int)addr);
>          break;
>      }
>  }
> @@ -494,22 +480,6 @@ static void update_jazz_irq(rc4030State *s)
>  
>      pending = s->isr_jazz & s->imr_jazz;
>  
> -#ifdef DEBUG_RC4030
> -    if (s->isr_jazz != 0) {
> -        uint32_t irq = 0;
> -        DPRINTF("pending irqs:");
> -        for (irq = 0; irq < ARRAY_SIZE(irq_names); irq++) {
> -            if (s->isr_jazz & (1 << irq)) {
> -                printf(" %s", irq_names[irq]);
> -                if (!(s->imr_jazz & (1 << irq))) {
> -                    printf("(ignored)");
> -                }
> -            }
> -        }
> -        printf("\n");
> -    }
> -#endif
> -
>      if (pending != 0)
>          qemu_irq_raise(s->jazz_bus_irq);
>      else
> @@ -552,7 +522,6 @@ static uint64_t jazzio_read(void *opaque, hwaddr addr, unsigned int size)
>          irq = 0;
>          while (pending) {
>              if (pending & 1) {
> -                DPRINTF("returning irq %s\n", irq_names[irq]);
>                  val = (irq + 1) << 2;
>                  break;
>              }
> @@ -566,11 +535,13 @@ static uint64_t jazzio_read(void *opaque, hwaddr addr, unsigned int size)
>          val = s->imr_jazz;
>          break;
>      default:
> -        RC4030_ERROR("(jazz io controller) invalid read [" TARGET_FMT_plx "]\n", addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "rc4030/jazzio: invalid read at 0x%x", (int)addr);
>          val = 0;
> +        break;
>      }
>  
> -    DPRINTF("(jazz io controller) read 0x%04x at " TARGET_FMT_plx "\n", val, addr);
> +    trace_jazzio_read(addr, val);
>  
>      return val;
>  }
> @@ -582,7 +553,7 @@ static void jazzio_write(void *opaque, hwaddr addr, uint64_t data,
>      uint32_t val = data;
>      addr &= 0xfff;
>  
> -    DPRINTF("(jazz io controller) write 0x%04x at " TARGET_FMT_plx "\n", val, addr);
> +    trace_jazzio_write(addr, val);
>  
>      switch (addr) {
>      /* Local bus int enable mask */
> @@ -591,7 +562,9 @@ static void jazzio_write(void *opaque, hwaddr addr, uint64_t data,
>          update_jazz_irq(s);
>          break;
>      default:
> -        RC4030_ERROR("(jazz io controller) invalid write of 0x%04x at [" TARGET_FMT_plx "]\n", val, addr);
> +        qemu_log_mask(LOG_GUEST_ERROR,
> +                      "rc4030/jazzio: invalid write of 0x%02x at 0x%x",
> +                      val, (int)addr);
>          break;
>      }
>  }
> @@ -724,28 +697,6 @@ static void rc4030_do_dma(void *opaque, int n, uint8_t *buf, int len, int is_wri
>  
>      s->dma_regs[n][DMA_REG_ENABLE] |= DMA_FLAG_TC_INTR;
>      s->dma_regs[n][DMA_REG_COUNT] -= len;
> -
> -#ifdef DEBUG_RC4030_DMA
> -    {
> -        int i, j;
> -        printf("rc4030 dma: Copying %d bytes %s host %p\n",
> -            len, is_write ? "from" : "to", buf);
> -        for (i = 0; i < len; i += 16) {
> -            int n = 16;
> -            if (n > len - i) {
> -                n = len - i;
> -            }
> -            for (j = 0; j < n; j++)
> -                printf("%02x ", buf[i + j]);
> -            while (j++ < 16)
> -                printf("   ");
> -            printf("| ");
> -            for (j = 0; j < n; j++)
> -                printf("%c", isprint(buf[i + j]) ? buf[i + j] : '.');
> -            printf("\n");
> -        }
> -    }
> -#endif
>  }
>  
>  struct rc4030DMAState {
> diff --git a/trace-events b/trace-events
> index 11387c3..1443e84 100644
> --- a/trace-events
> +++ b/trace-events
> @@ -282,6 +282,12 @@ slavio_timer_mem_writel_mode_counter(unsigned int timer_index) "processor %d cha
>  slavio_timer_mem_writel_mode_invalid(void) "not system timer"
>  slavio_timer_mem_writel_invalid(uint64_t addr) "invalid write address %"PRIx64
>  
> +# hw/dma/rc4030.c
> +jazzio_read(uint64_t addr, uint32_t ret) "read reg[0x%"PRIx64"] = 0x%x"
> +jazzio_write(uint64_t addr, uint32_t val) "write reg[0x%"PRIx64"] = 0x%x"
> +rc4030_read(uint64_t addr, uint32_t ret) "read reg[0x%"PRIx64"] = 0x%x"
> +rc4030_write(uint64_t addr, uint32_t val) "write reg[0x%"PRIx64"] = 0x%x"
> +
>  # hw/dma/sparc32_dma.c
>  ledma_memory_read(uint64_t addr) "DMA read addr 0x%"PRIx64
>  ledma_memory_write(uint64_t addr) "DMA write addr 0x%"PRIx64

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@aurel32.net                 http://www.aurel32.net