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Re: [PATCH v6 4/4] block: add some trace events for zone append


From: Dmitry Fomichev
Subject: Re: [PATCH v6 4/4] block: add some trace events for zone append
Date: Tue, 14 Mar 2023 02:28:14 +0000
User-agent: Evolution 3.44.4-0ubuntu1

On Fri, 2023-03-10 at 18:31 +0800, Sam Li wrote:
> Signed-off-by: Sam Li <faithilikerun@gmail.com>

Looks good,

Reviewed-by: Dmitry Fomichev <dmitry.fomichev@wdc.com>

>  block/file-posix.c | 3 +++
>  block/trace-events | 2 ++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/block/file-posix.c b/block/file-posix.c
> index 2ba9174778..5187f810e5 100644
> --- a/block/file-posix.c
> +++ b/block/file-posix.c
> @@ -2489,6 +2489,8 @@ out:
>              if (!BDRV_ZT_IS_CONV(wps->wp[index])) {
>                  if (type & QEMU_AIO_ZONE_APPEND) {
>                      *s->offset = wps->wp[index];
> +                    trace_zbd_zone_append_complete(bs, *s->offset
> +                        >> BDRV_SECTOR_BITS);
>                  }
>                  /* Advance the wp if needed */
>                  if (offset + bytes > wps->wp[index]) {
> @@ -3537,6 +3539,7 @@ static int coroutine_fn
> raw_co_zone_append(BlockDriverState *bs,
>          len += iov_len;
>      }
>  
> +    trace_zbd_zone_append(bs, *offset >> BDRV_SECTOR_BITS);
>      return raw_co_prw(bs, *offset, len, qiov, QEMU_AIO_ZONE_APPEND);
>  }
>  #endif
> diff --git a/block/trace-events b/block/trace-events
> index 3f4e1d088a..32665158d6 100644
> --- a/block/trace-events
> +++ b/block/trace-events
> @@ -211,6 +211,8 @@ file_hdev_is_sg(int type, int version) "SG device found:
> type=%d, version=%d"
>  file_flush_fdatasync_failed(int err) "errno %d"
>  zbd_zone_report(void *bs, unsigned int nr_zones, int64_t sector) "bs %p 
> report
> %d zones starting at sector offset 0x%" PRIx64 ""
>  zbd_zone_mgmt(void *bs, const char *op_name, int64_t sector, int64_t len) "bs
> %p %s starts at sector offset 0x%" PRIx64 " over a range of 0x%" PRIx64 "
> sectors"
> +zbd_zone_append(void *bs, int64_t sector) "bs %p append at sector offset 0x%"
> PRIx64 ""
> +zbd_zone_append_complete(void *bs, int64_t sector) "bs %p returns append
> sector 0x%" PRIx64 ""
>  
>  # ssh.c
>  sftp_error(const char *op, const char *ssh_err, int ssh_err_code, int
> sftp_err_code) "%s failed: %s (libssh error code: %d, sftp error code: %d)"


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