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 8mT2Eh9SkH+YVOmaKsajgZgrBxA7fWmGoxXswEVxJIFj3vW7yNc0C5HaUdYa5iGOMs4kg2ht4s7yy7NRQuh7BifWjo6BQ6k4S1H+6axZucxhSV1L6zN9d+lr3Xo/vy1unzA== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.3 Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2025-05-20 at 09:59 +0800, Kassey Li wrote: > By default it showed rtn in decimal: >=20 > kworker/3:1H-183 [003] ....=C2=A0 51.035474: scsi_dispatch_cmd_error: > host_no=3D0 channel=3D0 id=3D0 lun=3D4 data_sgl=3D1=C2=A0 prot_sgl=3D0 > prot_op=3DSCSI_PROT > _NORMAL cmnd=3D(READ_10 lba=3D3907214=C2=A0 txlen=3D1 protect=3D0 raw=3D2= 8 00 00 3b > 9e 8e 00 00 01 00) rtn=3D4181 >=20 > In source code we define these possible values as hexadecimal: >=20 > include/scsi/scsi.h >=20 > SCSI_MLQUEUE_HOST_BUSY=C2=A0=C2=A0 0x1055 > SCSI_MLQUEUE_DEVICE_BUSY 0x1056 > SCSI_MLQUEUE_EH_RETRY=C2=A0=C2=A0=C2=A0 0x1057 > SCSI_MLQUEUE_TARGET_BUSY 0x1058 >=20 > This change shows the rtn in strings: >=20 > dd-1059=C2=A0=C2=A0=C2=A0 [007] .....=C2=A0=C2=A0=C2=A0 31.689529: scsi_d= ispatch_cmd_error: > host_no=3D0 channel=3D0 id=3D0 lun=3D4 data_sgl=3D65 prot_sgl=3D0 > prot_op=3DSCSI_PROT_NORMAL driver_tag=3D23 scheduler_tag=3D117 > cmnd=3D(READ_10 lba=3D0 txlen=3D128 protect=3D0 raw=3D28 00 00 00 00 00 0= 0 00 > 80 00) rtn=3DSCSI_MLQUEUE_DEVICE_BUSY >=20 > Signed-off-by: Kassey Li > --- > =C2=A0include/trace/events/scsi.h | 13 +++++++++++-- > =C2=A01 file changed, 11 insertions(+), 2 deletions(-) >=20 > diff --git a/include/trace/events/scsi.h > b/include/trace/events/scsi.h > index 8e2d9b1b0e77..38743635f2c1 100644 > --- a/include/trace/events/scsi.h > +++ b/include/trace/events/scsi.h > @@ -199,6 +199,14 @@ TRACE_EVENT(scsi_dispatch_cmd_start, > =C2=A0 =C2=A0 __print_hex(__get_dynamic_array(cmnd), __entry- > >cmd_len)) > =C2=A0); > =C2=A0 > +#define scsi_rtn_name(result) { result, #result } > +#define show_rtn_name(val) \ > + __print_symbolic(val, \ > + scsi_rtn_name(SCSI_MLQUEUE_HOST_BUSY), \ > + scsi_rtn_name(SCSI_MLQUEUE_DEVICE_BUSY), \ > + scsi_rtn_name(SCSI_MLQUEUE_EH_RETRY), \ > + scsi_rtn_name(SCSI_MLQUEUE_TARGET_BUSY)) > + This looks much more consistent with the style of the file, thanks; just make sure the last backslash aligns. Also, could you assure us you have actually compiled and tested v4? It was pretty obvious from the kbuild errors for v2 and v3 that they hadn't even been compiled. Regards, James