Add trace events functions in vdpa functions.

Modify qemu_hexdump() to be able to dump the vdpa config
in trace logs in hexadecimal form.

Laurent Vivier (2):
  util/hexdump: introduce qemu_hexdump_line()
  vhost-vdpa: add trace-events

 hw/virtio/trace-events | 29 ++++++++++++++
 hw/virtio/vhost-vdpa.c | 85 +++++++++++++++++++++++++++++++++++++++---
 include/qemu-common.h  |  8 ++++
 util/hexdump.c         | 54 +++++++++++++++++----------
 4 files changed, 151 insertions(+), 25 deletions(-)

-- 
2.26.2

Patchew URL: https://patchew.org/QEMU/20200920162434.868041-1-lvivier@redhat.com/



Hi,

This series seems to have some coding style problems. See output below for
more information:

Type: series
Message-id: 20200920162434.868041-1-lvivier@redhat.com
Subject: [PATCH 0/2] vhost-vdpa: add trace functions in vhost-vdpa.c

=== TEST SCRIPT BEGIN ===
#!/bin/bash
git rev-parse base > /dev/null || exit 0
git config --local diff.renamelimit 0
git config --local diff.renames True
git config --local diff.algorithm histogram
./scripts/checkpatch.pl --mailback base..
=== TEST SCRIPT END ===

Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
From https://github.com/patchew-project/qemu
 * [new tag]         patchew/20200920175825.417680-1-f4bug@amsat.org -> patchew/20200920175825.417680-1-f4bug@amsat.org
 * [new tag]         patchew/84f1c61a-8399-c75e-96c2-febfc2dd5fab@t-online.de -> patchew/84f1c61a-8399-c75e-96c2-febfc2dd5fab@t-online.de
Switched to a new branch 'test'
08d1002 vhost-vdpa: add trace-events
7ac6b11 util/hexdump: introduce qemu_hexdump_line()

=== OUTPUT BEGIN ===
1/2 Checking commit 7ac6b1191959 (util/hexdump: introduce qemu_hexdump_line())
2/2 Checking commit 08d100254c8b (vhost-vdpa: add trace-events)
ERROR: Hex numbers must be prefixed with '0x'
#29: FILE: hw/virtio/trace-events:32:
+vhost_vdpa_set_mem_table(void *dev, uint32_t nregions, uint32_t padding) "dev: %p nregions: %"PRIu32" padding: %"PRIx32

ERROR: code indent should never use tabs
#126: FILE: hw/virtio/vhost-vdpa.c:275:
+^Ifor (i = 0; i < mem->nregions; i++) {$

ERROR: code indent should never use tabs
#194: FILE: hw/virtio/vhost-vdpa.c:355:
+^Iqemu_hexdump_line(line, b, config, len, false);$

ERROR: code indent should never use tabs
#195: FILE: hw/virtio/vhost-vdpa.c:356:
+^Itrace_vhost_vdpa_dump_config(dev, line);$

ERROR: code indent should never use tabs
#216: FILE: hw/virtio/vhost-vdpa.c:377:
+^Ivhost_vdpa_dump_config(dev, data, size);$

ERROR: code indent should never use tabs
#235: FILE: hw/virtio/vhost-vdpa.c:403:
+^Ivhost_vdpa_dump_config(dev, config, config_len);$

WARNING: line over 80 characters
#251: FILE: hw/virtio/vhost-vdpa.c:433:
+    trace_vhost_vdpa_set_log_base(dev, base, log->size, log->refcnt, log->fd, log->log);

total: 6 errors, 1 warnings, 291 lines checked

Patch 2/2 has style problems, please review.  If any of these errors
are false positives report them to the maintainer, see
CHECKPATCH in MAINTAINERS.

=== OUTPUT END ===

Test command exited with code: 1


The full log is available at
http://patchew.org/logs/20200920162434.868041-1-lvivier@redhat.com/testing.checkpatch/?type=message.
---
Email generated automatically by Patchew [https://patchew.org/].
Please send your feedback to patchew-devel@redhat.com

On 20/09/2020 20:03, no-reply@patchew.org wrote:
> Patchew URL: https://patchew.org/QEMU/20200920162434.868041-1-lvivier@redhat.com/
> 
> 
> 
> Hi,
> 
> This series seems to have some coding style problems. See output below for
> more information:
> 
> Type: series
> Message-id: 20200920162434.868041-1-lvivier@redhat.com
> Subject: [PATCH 0/2] vhost-vdpa: add trace functions in vhost-vdpa.c
> 
> === TEST SCRIPT BEGIN ===
> #!/bin/bash
> git rev-parse base > /dev/null || exit 0
> git config --local diff.renamelimit 0
> git config --local diff.renames True
> git config --local diff.algorithm histogram
> ./scripts/checkpatch.pl --mailback base..
> === TEST SCRIPT END ===
> 
> Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
> From https://github.com/patchew-project/qemu
>  * [new tag]         patchew/20200920175825.417680-1-f4bug@amsat.org -> patchew/20200920175825.417680-1-f4bug@amsat.org
>  * [new tag]         patchew/84f1c61a-8399-c75e-96c2-febfc2dd5fab@t-online.de -> patchew/84f1c61a-8399-c75e-96c2-febfc2dd5fab@t-online.de
> Switched to a new branch 'test'
> 08d1002 vhost-vdpa: add trace-events
> 7ac6b11 util/hexdump: introduce qemu_hexdump_line()
> 
> === OUTPUT BEGIN ===
> 1/2 Checking commit 7ac6b1191959 (util/hexdump: introduce qemu_hexdump_line())
> 2/2 Checking commit 08d100254c8b (vhost-vdpa: add trace-events)
> ERROR: Hex numbers must be prefixed with '0x'
> #29: FILE: hw/virtio/trace-events:32:
> +vhost_vdpa_set_mem_table(void *dev, uint32_t nregions, uint32_t padding) "dev: %p nregions: %"PRIu32" padding: %"PRIx32
> 
> ERROR: code indent should never use tabs
> #126: FILE: hw/virtio/vhost-vdpa.c:275:
> +^Ifor (i = 0; i < mem->nregions; i++) {$
> 
> ERROR: code indent should never use tabs
> #194: FILE: hw/virtio/vhost-vdpa.c:355:
> +^Iqemu_hexdump_line(line, b, config, len, false);$
> 
> ERROR: code indent should never use tabs
> #195: FILE: hw/virtio/vhost-vdpa.c:356:
> +^Itrace_vhost_vdpa_dump_config(dev, line);$
> 
> ERROR: code indent should never use tabs
> #216: FILE: hw/virtio/vhost-vdpa.c:377:
> +^Ivhost_vdpa_dump_config(dev, data, size);$
> 
> ERROR: code indent should never use tabs
> #235: FILE: hw/virtio/vhost-vdpa.c:403:
> +^Ivhost_vdpa_dump_config(dev, config, config_len);$
> 
> WARNING: line over 80 characters
> #251: FILE: hw/virtio/vhost-vdpa.c:433:
> +    trace_vhost_vdpa_set_log_base(dev, base, log->size, log->refcnt, log->fd, log->log);
> 
> total: 6 errors, 1 warnings, 291 lines checked
> 
> Patch 2/2 has style problems, please review.  If any of these errors
> are false positives report them to the maintainer, see
> CHECKPATCH in MAINTAINERS.
> 
> === OUTPUT END ===
> 
>

I'm going to resend the series with the problems reported by checkpatch
fixed.

Thanks,
Laurent

On Sun, Sep 20, 2020 at 06:24:32PM +0200, Laurent Vivier wrote:
> Add trace events functions in vdpa functions.
> 
> Modify qemu_hexdump() to be able to dump the vdpa config
> in trace logs in hexadecimal form.
> 
> Laurent Vivier (2):
>   util/hexdump: introduce qemu_hexdump_line()
>   vhost-vdpa: add trace-events
> 
>  hw/virtio/trace-events | 29 ++++++++++++++
>  hw/virtio/vhost-vdpa.c | 85 +++++++++++++++++++++++++++++++++++++++---
>  include/qemu-common.h  |  8 ++++
>  util/hexdump.c         | 54 +++++++++++++++++----------
>  4 files changed, 151 insertions(+), 25 deletions(-)

Please take this through the VIRTIO/vhost/vDPA tree:

Acked-by: Stefan Hajnoczi <stefanha@redhat.com>

On Mon, Sep 21, 2020 at 09:41:36AM +0100, Stefan Hajnoczi wrote:
> On Sun, Sep 20, 2020 at 06:24:32PM +0200, Laurent Vivier wrote:
> > Add trace events functions in vdpa functions.
> > 
> > Modify qemu_hexdump() to be able to dump the vdpa config
> > in trace logs in hexadecimal form.
> > 
> > Laurent Vivier (2):
> >   util/hexdump: introduce qemu_hexdump_line()
> >   vhost-vdpa: add trace-events
> > 
> >  hw/virtio/trace-events | 29 ++++++++++++++
> >  hw/virtio/vhost-vdpa.c | 85 +++++++++++++++++++++++++++++++++++++++---
> >  include/qemu-common.h  |  8 ++++
> >  util/hexdump.c         | 54 +++++++++++++++++----------
> >  4 files changed, 151 insertions(+), 25 deletions(-)
> 
> Please take this through the VIRTIO/vhost/vDPA tree:
> 
> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>


Will do, tagged.

On 21/09/2020 14:32, Michael S. Tsirkin wrote:
> On Mon, Sep 21, 2020 at 09:41:36AM +0100, Stefan Hajnoczi wrote:
>> On Sun, Sep 20, 2020 at 06:24:32PM +0200, Laurent Vivier wrote:
>>> Add trace events functions in vdpa functions.
>>>
>>> Modify qemu_hexdump() to be able to dump the vdpa config
>>> in trace logs in hexadecimal form.
>>>
>>> Laurent Vivier (2):
>>>   util/hexdump: introduce qemu_hexdump_line()
>>>   vhost-vdpa: add trace-events
>>>
>>>  hw/virtio/trace-events | 29 ++++++++++++++
>>>  hw/virtio/vhost-vdpa.c | 85 +++++++++++++++++++++++++++++++++++++++---
>>>  include/qemu-common.h  |  8 ++++
>>>  util/hexdump.c         | 54 +++++++++++++++++----------
>>>  4 files changed, 151 insertions(+), 25 deletions(-)
>>
>> Please take this through the VIRTIO/vhost/vDPA tree:
>>
>> Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
> 
> 
> Will do, tagged.
> 
Not yet, please; There are some tabs remaining.

Wait the v2.

Thanks,
Laurent