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List:       qemu-block
Subject:    Re: [PATCH v13 7/8] block: add some trace events for new block layer APIs
From:       Stefan Hajnoczi <stefanha () gmail ! com>
Date:       2022-11-30 1:56:17
Message-ID: CAJSP0QWRb4SXg-=2u0nCYW5=EmUsrS7=m8VihLD0iQ4+Q78AMw () mail ! gmail ! com
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Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

On Thu, 27 Oct 2022 at 11:48, Sam Li <faithilikerun@gmail.com> wrote:
> 
> Signed-off-by: Sam Li <faithilikerun@gmail.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 02476c011e..fe52e91da4 100644
> --- a/block/file-posix.c
> +++ b/block/file-posix.c
> @@ -3259,6 +3259,7 @@ static int coroutine_fn raw_co_zone_report(BlockDriverState \
> *bs, int64_t offset, BlockZoneDescriptor *zones) {
> BDRVRawState *s = bs->opaque;
> RawPosixAIOData acb;
> +    trace_zbd_zone_report(bs, *nr_zones, offset >> BDRV_SECTOR_BITS);
> 
> acb = (RawPosixAIOData) {
> .bs         = bs,
> @@ -3337,6 +3338,8 @@ static int coroutine_fn raw_co_zone_mgmt(BlockDriverState \
> *bs, BlockZoneOp op, },
> };
> 
> +    trace_zbd_zone_mgmt(bs, op_name, offset >> BDRV_SECTOR_BITS,
> +                        len >> BDRV_SECTOR_BITS);
> ret = raw_thread_pool_submit(bs, handle_aiocb_zone_mgmt, &acb);
> if (ret != 0) {
> ret = -errno;
> diff --git a/block/trace-events b/block/trace-events
> index 48dbf10c66..3f4e1d088a 100644
> --- a/block/trace-events
> +++ b/block/trace-events
> @@ -209,6 +209,8 @@ file_FindEjectableOpticalMedia(const char *media) "Matching \
> using %s" file_setup_cdrom(const char *partition) "Using %s as optical disc"
> 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" 
> # 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)"
> --
> 2.38.1
> 
> 


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