From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Ed Czeck <ed.czeck@atomicrules.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v4 1/7] net/ark: PMD for Atomic Rules Arkville driver stub
Date: Tue, 28 Mar 2017 13:58:44 +0100 [thread overview]
Message-ID: <8625c310-943c-14b5-8215-b1f66bb94bb2@intel.com> (raw)
In-Reply-To: <CALZ3GuhCCVPFJ9kqxgnecQTNcf9M9uqVxMN+mOJR5VKckScZwA@mail.gmail.com>
On 3/23/2017 7:46 PM, Ed Czeck wrote:
>> > +#define ARK_TRACE_ON(fmt, ...) \
>> > + PMD_DRV_LOG(ERR, fmt, ##__VA_ARGS__)
>> > +
>> > +#define ARK_TRACE_OFF(fmt, ...) \
>> > + do {if (0) PMD_DRV_LOG(ERR, fmt, ##__VA_ARGS__); } while (0)
>> why not just "do { } while(0)" ?
>
> A do while body always executes at least once. The if (0) is required.
Are you sure about this?
I believe "do { } while(0)" also removed completely during compile.
>> dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
>
> I do not understand your comment.
This flag also should be added, all eth devices by are detachable.
>> The general usage of DEBUG_TRACE is providing backtrace log, function
>> enterance / exit informations. I guess, that is why it has been
>> controlled by different config option.
>> Here what you need looks like regular debugging functions, PMD_DRV_LOG /
>> RTE_LOG variant.
>
> I'm unclear on your request or comment. Are you suggesting that we use
> the dpdk versions of debug? The advantage of a local version is that
> they can be enabled without all the debug traces.
In many drivers there are independent log macros, two of them are:
1) PMD_.._TRACE
2) PMD_.._LOG
Those above controlled by different config option.
As name suggest, first one lets you to get function trace logs, many
PMDs don't use them, since you can get this information from debugger.
Second one is PMD wise log macro, controlled by its specific config option.
It is possible enable / disable tracing logs (1), without effecting
general logging macros (2).
In ARK PMD, both ARK_DEBUG_TRACE and PMD_DRV_LOG macros are used for
regular logging.
a) I believe it is wrong to use ARK_DEBUG_TRACE for regular logging, all
should be PMD_DRV_LOG
b) And PMD_DRV_LOG should be controlled by a config option.
As far as I can see ARK_DEBUG_TRACE never used for tracing really, so
you can rename all occurrences to PMD_DRV_LOG, and remove
ARK_DEBUG_TRACE and its config option.
And introduce a config option for PMD_DRV_LOG
next prev parent reply other threads:[~2017-03-28 12:58 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-23 1:03 Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 2/7] net/ark: HW API part 1 of 3 Ed Czeck
2017-03-23 11:38 ` Ferruh Yigit
2017-03-23 20:33 ` Ed Czeck
2017-03-29 1:05 ` [dpdk-dev] [PATCH v6 2/7] net/ark: Provide API for hardware modules mpu, rqp, and pktdir Ed Czeck
2017-03-29 21:32 ` [dpdk-dev] [PATCH v7 2/7] net/ark: provide API for hardware modules mpu rqp " Ed Czeck
2017-04-04 19:50 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 3/7] net/ark: HW API part 2 of 3 Ed Czeck
2017-03-29 1:05 ` [dpdk-dev] [PATCH v6 3/7] net/ark: Provide API for hardware modules udm and ddm Ed Czeck
2017-03-29 21:33 ` [dpdk-dev] [PATCH v7 3/7] net/ark: provide " Ed Czeck
2017-04-04 19:50 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 4/7] net/ark: HW API part 3 of 3 Ed Czeck
2017-03-29 1:06 ` [dpdk-dev] [PATCH v6 4/7] net/ark: Provide API for hardware modules pktchkr and pktgen Ed Czeck
2017-03-29 21:34 ` [dpdk-dev] [PATCH v7 4/7] net/ark: provide " Ed Czeck
2017-04-04 19:50 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 5/7] net/ark: Packet TX support initial version Ed Czeck
2017-03-23 12:14 ` Ferruh Yigit
2017-03-23 21:44 ` Ed Czeck
2017-03-29 1:06 ` [dpdk-dev] [PATCH v6 " Ed Czeck
2017-03-29 21:34 ` [dpdk-dev] [PATCH v7 5/7] net/ark: packet Tx " Ed Czeck
2017-04-04 19:51 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 6/7] net/ark: Packet RX " Ed Czeck
2017-03-23 12:14 ` Ferruh Yigit
2017-03-23 21:51 ` Ed Czeck
2017-03-29 1:06 ` [dpdk-dev] [PATCH v6 " Ed Czeck
2017-03-29 21:35 ` [dpdk-dev] [PATCH v7 6/7] net/ark: packet Rx " Ed Czeck
2017-04-04 19:51 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 1:03 ` [dpdk-dev] [PATCH v4 7/7] net/ark: Arkville PMD component integration Ed Czeck
2017-03-23 12:13 ` Ferruh Yigit
2017-03-23 22:19 ` Ed Czeck
2017-03-28 12:34 ` Ferruh Yigit
2017-03-29 1:07 ` [dpdk-dev] [PATCH v6 " Ed Czeck
2017-03-29 9:54 ` Ferruh Yigit
2017-03-29 21:35 ` [dpdk-dev] [PATCH v7 7/7] net/ark: arkville " Ed Czeck
2017-04-04 19:51 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-03-23 11:36 ` [dpdk-dev] [PATCH v4 1/7] net/ark: PMD for Atomic Rules Arkville driver stub Ferruh Yigit
2017-03-23 13:08 ` Ferruh Yigit
2017-03-23 19:46 ` Ed Czeck
2017-03-28 12:58 ` Ferruh Yigit [this message]
2017-03-28 21:11 ` Ed Czeck
2017-03-29 9:42 ` Ferruh Yigit
2017-03-23 22:59 ` [dpdk-dev] [PATCH v5 " Ed Czeck
2017-03-23 23:00 ` [dpdk-dev] [PATCH v5 2/7] net/ark: provide api to hardware module mpu, rqp, and pktdir Ed Czeck
2017-03-28 14:35 ` Ferruh Yigit
2017-03-28 20:14 ` Ed Czeck
2017-03-23 23:00 ` [dpdk-dev] [PATCH v5 3/7] net/ark: provide API hardware module udm and ddm Ed Czeck
2017-03-23 23:00 ` [dpdk-dev] [PATCH v5 4/7] net/ark: prrovide api for hardware module pktchkr and pktgen Ed Czeck
2017-03-23 23:00 ` [dpdk-dev] [PATCH v5 5/7] net/ark: Packet TX support initial version Ed Czeck
2017-03-23 23:01 ` [dpdk-dev] [PATCH v5 6/7] net/ark: Packet RX " Ed Czeck
2017-03-28 14:36 ` Ferruh Yigit
2017-03-28 21:59 ` Ed Czeck
2017-03-23 23:01 ` [dpdk-dev] [PATCH v5 7/7] net/ark: Arkville PMD component integration Ed Czeck
2017-03-28 14:38 ` Ferruh Yigit
2017-03-28 15:00 ` Adrien Mazarguil
2017-03-28 22:42 ` Ed Czeck
2017-03-28 14:34 ` [dpdk-dev] [PATCH v5 1/7] net/ark: PMD for Atomic Rules Arkville driver stub Ferruh Yigit
2017-03-28 22:38 ` Ed Czeck
2017-03-28 14:41 ` Ferruh Yigit
2017-03-29 1:04 ` [dpdk-dev] [PATCH v6 " Ed Czeck
2017-03-29 21:32 ` [dpdk-dev] [PATCH v7 1/7] net/ark: stub PMD for Atomic Rules Arkville Ed Czeck
2017-03-31 14:51 ` Ferruh Yigit
2017-03-31 15:09 ` Shepard Siegel
2017-04-04 20:58 ` Ed Czeck
2017-04-04 19:50 ` [dpdk-dev] [PATCH v8 " Ed Czeck
2017-04-07 10:54 ` Ferruh Yigit
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