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<jianwang@trustnetic.com>, "jbehrens@vmware.com" <jbehrens@vmware.com>, "maxime.coquelin@redhat.com" <maxime.coquelin@redhat.com>, "chenbo.xia@intel.com" <chenbo.xia@intel.com>, "steven.webster@windriver.com" <steven.webster@windriver.com>, "matt.peters@windriver.com" <matt.peters@windriver.com>, "bruce.richardson@intel.com" <bruce.richardson@intel.com>, "mtetsuyah@gmail.com" <mtetsuyah@gmail.com>, "grive@u256.net" <grive@u256.net>, "jasvinder.singh@intel.com" <jasvinder.singh@intel.com>, "cristian.dumitrescu@intel.com" <cristian.dumitrescu@intel.com>, "jgrajcia@cisco.com" <jgrajcia@cisco.com>, Ankur Dwivedi <adwivedi@marvell.com> Subject: RE: [PATCH v7 1/6] eal: trace: add trace point emit for blob Thread-Topic: [PATCH v7 1/6] eal: trace: add trace point emit for blob Thread-Index: AQHZLwmYccvEhrBEYEGF1HqKr/wqgK62l8RwgAANNACAAAmZAA== Date: Mon, 30 Jan 2023 08:40:29 +0000 Message-ID: <CO6PR18MB38601DB322BD62E70A2C0B0DB4D39@CO6PR18MB3860.namprd18.prod.outlook.com> References: 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<dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org > -----Original Message----- > From: Morten Br=F8rup <mb@smartsharesystems.com> > Sent: Monday, January 30, 2023 1:45 PM > To: Sunil Kumar Kori <skori@marvell.com>; Ankur Dwivedi > <adwivedi@marvell.com>; dev@dpdk.org > Cc: thomas@monjalon.net; david.marchand@redhat.com; mdr@ashroe.eu; > orika@nvidia.com; ferruh.yigit@amd.com; chas3@att.com; > humin29@huawei.com; linville@tuxdriver.com; ciara.loftus@intel.com; > qi.z.zhang@intel.com; mw@semihalf.com; mk@semihalf.com; > shaibran@amazon.com; evgenys@amazon.com; igorch@amazon.com; > chandu@amd.com; Igor Russkikh <irusskikh@marvell.com>; > shepard.siegel@atomicrules.com; ed.czeck@atomicrules.com; > john.miller@atomicrules.com; ajit.khaparde@broadcom.com; > somnath.kotur@broadcom.com; Jerin Jacob Kollanukkaran > <jerinj@marvell.com>; Maciej Czekaj [C] <mczekaj@marvell.com>; Shijith > Thotton <sthotton@marvell.com>; Srisivasubramanian Srinivasan > <srinivasan@marvell.com>; Harman Kalra <hkalra@marvell.com>; > rahul.lakkireddy@chelsio.com; johndale@cisco.com; hyonkim@cisco.com; > liudongdong3@huawei.com; yisen.zhuang@huawei.com; > xuanziyang2@huawei.com; cloud.wangxiaoyun@huawei.com; > zhouguoyang@huawei.com; simei.su@intel.com; wenjun1.wu@intel.com; > qiming.yang@intel.com; Yuying.Zhang@intel.com; beilei.xing@intel.com; > xiao.w.wang@intel.com; jingjing.wu@intel.com; junfeng.guo@intel.com; > rosen.xu@intel.com; Nithin Kumar Dabilpuram > <ndabilpuram@marvell.com>; Kiran Kumar Kokkilagadda > <kirankumark@marvell.com>; Satha Koteswara Rao Kottidi > <skoteshwar@marvell.com>; Liron Himi <lironh@marvell.com>; > zr@semihalf.com; Radha Chintakuntla <radhac@marvell.com>; > Veerasenareddy Burru <vburru@marvell.com>; Sathesh B Edara > <sedara@marvell.com>; matan@nvidia.com; viacheslavo@nvidia.com; > longli@microsoft.com; spinler@cesnet.cz; chaoyong.he@corigine.com; > niklas.soderlund@corigine.com; hemant.agrawal@nxp.com; > sachin.saxena@oss.nxp.com; g.singh@nxp.com; apeksha.gupta@nxp.com; > sachin.saxena@nxp.com; aboyer@pensando.io; Rasesh Mody > <rmody@marvell.com>; Shahed Shaikh <shshaikh@marvell.com>; Devendra > Singh Rawat <dsinghrawat@marvell.com>; andrew.rybchenko@oktetlabs.ru; > jiawenwu@trustnetic.com; jianwang@trustnetic.com; > jbehrens@vmware.com; maxime.coquelin@redhat.com; > chenbo.xia@intel.com; steven.webster@windriver.com; > matt.peters@windriver.com; bruce.richardson@intel.com; > mtetsuyah@gmail.com; grive@u256.net; jasvinder.singh@intel.com; > cristian.dumitrescu@intel.com; jgrajcia@cisco.com; Ankur Dwivedi > <adwivedi@marvell.com> > Subject: [EXT] RE: [PATCH v7 1/6] eal: trace: add trace point emit for bl= ob >=20 > External Email >=20 > ---------------------------------------------------------------------- > > From: Sunil Kumar Kori [mailto:skori@marvell.com] > > Sent: Monday, 30 January 2023 08.31 > > > > > From: Ankur Dwivedi <adwivedi@marvell.com> > > > Sent: Monday, January 23, 2023 2:32 PM > > > >=20 > [...] >=20 > > > +RTE_TRACE_POINT( > > > + rte_eal_trace_generic_blob, > > > + RTE_TRACE_POINT_ARGS(void *in, uint8_t len), > > > + rte_trace_point_emit_blob(in, len); > > > +) > > > + > > > > As per documentation rte_eal_trace_generic_blob() will emit 64 bytes > > only i.e. input array cannot be other than uint8_t. > > So will it not be better to make it more readable like > > RTE_TRACE_POINT_ARGS(uint8_t *in, uint8_t len) instead of using void > > *in. >=20 > No. Using uint8_t* would cause type conversion problems. The advantage of > using void* is that it is has no type - which is exactly the purpose of a= BLOB > (which is short for Binary Large OBject). We want to be able to pass a po= inter > to e.g. a structure. Using void* makes that directly available. >=20 > I didn't notice before, but the const qualifier is missing. It should be: >=20 > RTE_TRACE_POINT_ARGS(const void *in, uint8_t len), >=20 Makes sense. Ack. > > > > Rest is fine. Already acked above. > > > > > #define RTE_EAL_TRACE_GENERIC_FUNC > > > rte_eal_trace_generic_func(__func__) > > > > > > /* Interrupt */ > > > > [snipped] > > > > > 2.25.1 > >