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From: Hannes Reinecke <hare@suse.de>
To: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: Jens Axboe <axboe@kernel.dk>, linux-ide@vger.kernel.org
Subject: Re: [PATCH 14/46] libata: add reset tracepoints
Date: Wed, 12 Feb 2020 11:11:03 +0100	[thread overview]
Message-ID: <d4c24ed9-42f9-c55c-8d80-b5f573da04ab@suse.de> (raw)
In-Reply-To: <a9df9616-03c7-48bb-026a-e99cbef5ad44@samsung.com>

On 2/10/20 2:42 PM, Bartlomiej Zolnierkiewicz wrote:
> 
> On 2/4/20 5:55 PM, Hannes Reinecke wrote:
>> To follow the flow of control we should be using tracepoints, as
>> they will tie in with the actual I/O flow and deliver a better
>> overview about what it happening.
>> This patch adds tracepoints for hard and soft reset and adds
>> them in the libata-eh control flow.
>>
>> Signed-off-by: Hannes Reinecke <hare@suse.de>
> 
> checkpatch.pl complains about CodingStyle issues:
> 
> WARNING: line over 80 characters
> #164: FILE: include/trace/events/libata.h:350:
> +       TP_PROTO(struct ata_link *link, unsigned int *class, unsigned long deadline),
> 
> ERROR: space prohibited after that open parenthesis '('
> #169: FILE: include/trace/events/libata.h:355:
> +               __field( unsigned int,  ata_port )
> 
> ERROR: space prohibited before that close parenthesis ')'
> #169: FILE: include/trace/events/libata.h:355:
> +               __field( unsigned int,  ata_port )
> 
> ERROR: space prohibited after that open parenthesis '('
> #170: FILE: include/trace/events/libata.h:356:
> +               __array( unsigned int,  class, 2)
> 
> ERROR: space prohibited after that open parenthesis '('
> #171: FILE: include/trace/events/libata.h:357:
> +               __field( unsigned long, deadline)
> 
> WARNING: line over 80 characters
> #187: FILE: include/trace/events/libata.h:373:
> +            TP_PROTO(struct ata_link *link, unsigned int *class, unsigned long deadline),
> 
> WARNING: line over 80 characters
> #191: FILE: include/trace/events/libata.h:377:
> +            TP_PROTO(struct ata_link *link, unsigned int *class, unsigned long deadline),
> 
> WARNING: line over 80 characters
> #195: FILE: include/trace/events/libata.h:381:
> +            TP_PROTO(struct ata_link *link, unsigned int *class, unsigned long deadline),
> 
> ERROR: space prohibited after that open parenthesis '('
> #205: FILE: include/trace/events/libata.h:391:
> +               __field( unsigned int,  ata_port )
> 
> ERROR: space prohibited before that close parenthesis ')'
> #205: FILE: include/trace/events/libata.h:391:
> +               __field( unsigned int,  ata_port )
> 
> ERROR: space prohibited after that open parenthesis '('
> #206: FILE: include/trace/events/libata.h:392:
> +               __array( unsigned int,  class, 2)
> 
> ERROR: space prohibited after that open parenthesis '('
> #207: FILE: include/trace/events/libata.h:393:
> +               __field( int,           rc)
> 
> Otherwise the patch looks fine.
> 
[ .. ]
This is just following the existing coding style used in the trace event
declaration. Seeing that tracepoint generation is quite black magic in
itself I'd rather keep it in-line with the rest of the header file.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare@suse.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), GF: Felix Imendörffer

  reply	other threads:[~2020-02-12 10:11 UTC|newest]

Thread overview: 97+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-04 16:55 [PATCH 00/46] ata: kill ATA_DEBUG Hannes Reinecke
2020-02-04 16:55 ` [PATCH 01/46] libata: drop BPRINTK() Hannes Reinecke
2020-02-04 16:55 ` [PATCH 02/46] libata.h: whitespace and indentation fixes Hannes Reinecke
2020-02-10 11:51   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 03/46] libata-transport: Whitespace cleanup Hannes Reinecke
2020-02-10 11:52   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 04/46] libata: move ata_{port,link,dev}_dbg to standard dev_XXX() macros Hannes Reinecke
2020-02-10 12:25   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 05/46] libata: remove pointless debugging messages Hannes Reinecke
2020-02-10 12:34   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 06/46] ata_piix: remove debugging message in piix_init() Hannes Reinecke
2020-02-10 12:36   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 07/46] libata-core: remove pointless debugging messages Hannes Reinecke
2020-02-05  8:08   ` Sergei Shtylyov
2020-02-10 12:37   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 08/46] libata: Add ata_port_classify() helper Hannes Reinecke
2020-02-10 12:44   ` Bartlomiej Zolnierkiewicz
2020-02-13  7:15     ` Hannes Reinecke
2020-02-04 16:55 ` [PATCH 09/46] libata: move ata_dump_id() to dynamic debugging Hannes Reinecke
2020-02-05  1:51   ` kbuild test robot
2020-02-10 12:47   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 10/46] sata_mv: replace DPRINTK with 'pci_dump' module parameter Hannes Reinecke
2020-02-10 12:51   ` Bartlomiej Zolnierkiewicz
2020-02-10 12:54     ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 11/46] sata_nv: move DPRINTK to ata debugging Hannes Reinecke
2020-02-10 13:25   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 12/46] sata_sx4: move DPRINTK to VPRINTK Hannes Reinecke
2020-02-10 13:29   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 13/46] ata_piix: Drop DPRINTK() statement Hannes Reinecke
2020-02-10 13:32   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 14/46] libata: add reset tracepoints Hannes Reinecke
2020-02-10 13:42   ` Bartlomiej Zolnierkiewicz
2020-02-12 10:11     ` Hannes Reinecke [this message]
2020-02-04 16:55 ` [PATCH 15/46] ahci: drop DPRINTK() calls in reset Hannes Reinecke
2020-02-10 13:43   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 16/46] ahci_qorig: " Hannes Reinecke
2020-02-10 13:45   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 17/46] pata_octeon_cf: " Hannes Reinecke
2020-02-10 13:46   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 18/46] libahci: " Hannes Reinecke
2020-02-10 13:46   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 19/46] sata_rcar: " Hannes Reinecke
2020-02-10 13:48   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 20/46] sata_sil24: " Hannes Reinecke
2020-02-10 13:48   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 21/46] sata_fsl: " Hannes Reinecke
2020-02-10 13:49   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 22/46] libata-core: " Hannes Reinecke
2020-02-10 13:50   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 23/46] libata-sff: " Hannes Reinecke
2020-02-10 13:54   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 24/46] libata: tracepoints for bus-master DMA Hannes Reinecke
2020-02-10 15:21   ` Bartlomiej Zolnierkiewicz
2020-02-10 15:23     ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 25/46] libata-sff: add tracepoints for HSM state machine Hannes Reinecke
2020-02-10 15:32   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 26/46] pata_octeon_cf: add bmdma tracepoints and drop DPRINTK() Hannes Reinecke
2020-02-10 15:36   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 27/46] sata_rcar: drop DPRINTK call in sata_rcar_exec_command() Hannes Reinecke
2020-02-10 15:37   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 28/46] libata-scsi: drop DPRINTK calls for cdb translation Hannes Reinecke
2020-02-10 15:40   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 29/46] libata-sff: add tracepoints for ata_sff_flush_pio_task() Hannes Reinecke
2020-02-10 15:44   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 30/46] libata-core: add postreset tracepoints Hannes Reinecke
2020-02-10 15:47   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 31/46] pata_octeon_cf: move DPRINTK to VPRINTK Hannes Reinecke
2020-02-10 15:48   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 32/46] pata_pdc202xx_old: Drop DPRINTK in pdc202xx_exec_command() Hannes Reinecke
2020-02-10 15:49   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 33/46] pata_sil680: Drop DPRINTK in sil_sff_exec_command() Hannes Reinecke
2020-02-10 15:51   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 34/46] pdc_adma: move DPRINTK to VPRINTK Hannes Reinecke
2020-02-10 15:52   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 35/46] sata_rcar: " Hannes Reinecke
2020-02-10 15:52   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 36/46] sata_qstor: " Hannes Reinecke
2020-02-10 15:53   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 37/46] pata_pdc2027x: Replace PDPRINTK() with standard ata logging Hannes Reinecke
2020-02-10 15:59   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 38/46] sata_fsl: move DPRINTK to ata debugging Hannes Reinecke
2020-02-10 16:07   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 39/46] libata: add tracepoints for ATA error handling Hannes Reinecke
2020-02-10 16:45   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 40/46] libata-eh: remove DPRINTK() calls for request sense Hannes Reinecke
2020-02-10 16:46   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 41/46] libata-core: move DPRINTK to ata debugging Hannes Reinecke
2020-02-10 16:48   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 42/46] libata: remove DPRINTK() macro Hannes Reinecke
2020-02-04 16:55 ` [PATCH 43/46] libata: kill ATA_MSG_INFO Hannes Reinecke
2020-02-10 16:49   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 44/46] libata: kill ATA_MSG_CTL Hannes Reinecke
2020-02-10 16:49   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 45/46] libata: remove references to ATA_DEBUG Hannes Reinecke
2020-02-10 16:50   ` Bartlomiej Zolnierkiewicz
2020-02-04 16:55 ` [PATCH 46/46] libata: remove ATA_NDEBUG Hannes Reinecke
2020-02-10 16:51   ` Bartlomiej Zolnierkiewicz

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