From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <dev-bounces@dpdk.org>
Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124])
	by inbox.dpdk.org (Postfix) with ESMTP id 3B858A00C2;
	Mon, 22 Aug 2022 08:48:05 +0200 (CEST)
Received: from [217.70.189.124] (localhost [127.0.0.1])
	by mails.dpdk.org (Postfix) with ESMTP id DEFC941132;
	Mon, 22 Aug 2022 08:48:04 +0200 (CEST)
Received: from smartserver.smartsharesystems.com
 (smartserver.smartsharesystems.com [77.243.40.215])
 by mails.dpdk.org (Postfix) with ESMTP id 99751410FA
 for <dev@dpdk.org>; Mon, 22 Aug 2022 08:48:03 +0200 (CEST)
X-MimeOLE: Produced By Microsoft Exchange V6.5
Content-class: urn:content-classes:message
MIME-Version: 1.0
Content-Type: text/plain;
	charset="UTF-8"
Content-Transfer-Encoding: base64
Subject: RE: [RFC] Dynamic log/trace control via telemetry
Date: Mon, 22 Aug 2022 08:47:59 +0200
Message-ID: <98CBD80474FA8B44BF855DF32C47DC35D8728C@smartserver.smartshare.dk>
In-Reply-To: <20220820181941.24882e85@sovereign>
X-MS-Has-Attach: 
X-MS-TNEF-Correlator: 
Thread-Topic: [RFC] Dynamic log/trace control via telemetry
Thread-Index: Adi0qEl135SaHzrnSOWyb7AwmxEtwgBRyicg
References: <20220816021738.5498f802@sovereign>
 <20220816190837.40c557bb@hermes.local> <20220817181503.323b6230@sovereign>
 <98CBD80474FA8B44BF855DF32C47DC35D8727A@smartserver.smartshare.dk>
 <20220820181941.24882e85@sovereign>
From: =?UTF-8?B?TW9ydGVuIEJyw7hydXA=?= <mb@smartsharesystems.com>
To: "Dmitry Kozlyuk" <dmitry.kozliuk@gmail.com>
Cc: "Stephen Hemminger" <stephen@networkplumber.org>,
	<dev@dpdk.org>
X-BeenThere: dev@dpdk.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: DPDK patches and discussions <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

PiBGcm9tOiBEbWl0cnkgS296bHl1ayBbbWFpbHRvOmRtaXRyeS5rb3psaXVrQGdtYWlsLmNvbV0N
Cj4gU2VudDogU2F0dXJkYXksIDIwIEF1Z3VzdCAyMDIyIDE3LjIwDQo+IFRvOiBNb3J0ZW4gQnLD
uHJ1cA0KPiBDYzogU3RlcGhlbiBIZW1taW5nZXI7IGRldkBkcGRrLm9yZw0KPiBTdWJqZWN0OiBS
ZTogW1JGQ10gRHluYW1pYyBsb2cvdHJhY2UgY29udHJvbCB2aWEgdGVsZW1ldHJ5DQo+IA0KPiAy
MDIyLTA4LTE3IDE3OjM0IChVVEMrMDIwMCksIE1vcnRlbiBCcsO4cnVwOg0KPiA+ID4gRnJvbTog
RG1pdHJ5IEtvemx5dWsgW21haWx0bzpkbWl0cnkua296bGl1a0BnbWFpbC5jb21dDQo+ID4gPiBT
ZW50OiBXZWRuZXNkYXksIDE3IEF1Z3VzdCAyMDIyIDE3LjE1DQo+ID4gPg0KPiA+ID4gMjAyMi0w
OC0xNiAxOTowOCAoVVRDLTA3MDApLCBTdGVwaGVuIEhlbW1pbmdlcjoNCj4gPiA+ID4gTm90IHN1
cmUgaWYgdHVybmluZyB0ZWxlbWV0cnkgaW50byBhIGRvIGFsbCBjb250cm9sIGFwaSBtYWtlcw0K
PiBzZW5zZS4NCj4gPiA+DQo+ID4gPiBJJ20gc3VyZSBpdCBkb2Vzbid0LCBmb3IgImRvIGFsbCIu
DQo+ID4gPiBDb250cm9sbGluZyBkaWFnbm9zdGljIGNvbGxlY3Rpb24gYW5kIG91dHB1dCwgaG93
ZXZlciwNCj4gPiA+IGlzIGRpcmVjdGx5IHJlbGF0ZWQgdG8gdGhlIHRlbGVtZXRyeSBwdXJwb3Nl
Lg0KPiA+ID4NCj4gPiA+ID4gVGhpcyBzZWVtcyBsaWtlIGEgZGlmZmVyZW50IEFQSS4NCj4gPg0K
PiA+IEkgYWdyZWUgd2l0aCBTdGVwaGVuIHJlZ2FyZGluZyBub3QgbWFraW5nIHRoZSB0ZWxlbWV0
cnkgbGlicmFyeSBhICJkbw0KPiBhbGwiIGNvbnRyb2wgQVBJLiBBIHNlcGFyYXRlIEFQSSB3b3Vs
ZCBiZSBwcmVmZXJhYmxlLg0KPiA+DQo+ID4gQW5kIHRoZW4sIGEgd3JhcHBlciB0aHJvdWdoIHRo
ZSB0ZWxlbWV0cnkgaW50ZXJmYWNlIGNhbiBiZSBwcm92aWRlZA0KPiB0byB0aGF0IEFQSS4gQmVz
dCBvZiBib3RoIHdvcmxkcy4gOi0pDQo+IA0KPiBPbmUgb2YgdGhlIHJlYXNvbnMgd2h5IEkgY29u
c2lkZXJlZCBhbmQgc3VnZ2VzdGVkIHVzaW5nIHRoZSB0ZWxlbWV0cnkNCj4gc29ja2V0DQo+IHdh
cyB0aGF0IGEgbmV3IGNoYW5uZWwsIHByb3RvY29sLCBhbmQgQVBJIHdvdWxkIGJlIGFuIG92ZXJr
aWxsIGZvciB0aGUNCj4gdGFzay4NCj4gDQo+IEl0IHJlbWluZHMgbWUgb2YgYW4gb2xkZXIgIklG
IHByb3h5IGxpYnJhcnkiIHByb3Bvc2FsIFsxXS4NCj4gSW4gdGhlIFJGQyBkaXNjdXNzaW9uIGl0
IHdhcyBzdWdnZXN0ZWQgdGhhdCBpdCBjb3VsZCBiZSBhIGdlbmVyaWMNCj4gbWVjaGFuaXNtDQo+
IHRvIGRlbGl2ZXIgZXh0ZXJuYWwgZXZlbnRzIHRvIERQREssIGFsdGhvdWdoLCB1bmxpa2UgZXZl
bnRzLCBjb21tYW5kcw0KPiBuZWVkDQo+IHJlc3BvbnNlcy4gSSBhbHNvIGZvdW5kIFRob21hcycg
bWVzc2FnZSBbMl0gdGhhdCBzdWdnZXN0ZWQgbG9nL3RyYWNlDQo+IGNvbnRyb2wNCj4gKG5ldmVy
IGtuZXcgaXQgd2FzIHByb3Bvc2VkIGFscmVhZHkpIGJ1dCBkaXNjb3VyYWdlZCBhZGRpbmcgbW9y
ZQ0KPiBpbnRlcmZhY2VzLg0KPiBUaGUgZmluYWwgdmVyc2lvbiBvZiAiSUYgcHJveHkgbGlicmFy
eSIgd2FzIG5ldmVydGhlbGVzcyBmb2N1c2VkIG9uDQo+IG5ldGRldg0KPiBzcGVjaWZpY3MgYW5k
IEFGQUlDVCBuZXZlciBhY2NlcHRlZCBiZWNhdXNlIG9mIHF1ZXN0aW9ucyBmcm9tIHRoYXQNCj4g
c2lkZS4NCj4gDQo+IFNvIHRoaXMgUkZDIHNob3VsZCBiZSBzZXZlcmVseSByZS1mcmFtZWQ6IDEp
IGEgZ2VuZXJpYyBldmVudC9jb21tYW5kDQo+IGRlbGl2ZXJ5DQo+IG1lY2hhbmlzbSBpcyBuZWVk
ZWQgaW4gcHJpbmNpcGxlLCBhbmQgMikgbG9nL3RyYWNlIGNvbnRyb2wgY2FuIGJlIHRoZQ0KPiBm
aXJzdA0KPiB1c2FnZSBvZiBpdCwgd2hpY2ggbWF5IGJlIGVhc2llciB0byBwdWxsIHRocm91Z2gg
dGhhbiBhIGNvbXBsZXgNCj4gaW50ZXJhY3Rpb24NCj4gd2l0aCBPUyBuZXR3b3JraW5nIHN0YWNr
Lg0KPiANCj4gWzFdOiBodHRwczovL2luYm94LmRwZGsub3JnL2Rldi8yMDIwMDExNDE0MjUxNy4y
OTUyMi0xLQ0KPiBhb3N0cnVzemthQG1hcnZlbGwuY29tLw0KPiANCj4gWzJdOiBodHRwczovL2lu
Ym94LmRwZGsub3JnL2Rldi8xNzM0NTMzLnpxaGZvbHpFZEJAdGhvbWFzLw0KPiANCg0KR29vZCBh
cmd1bWVudHMsIERtaXRyeS4NCg0KSSAxMDAgJSBhZ3JlZSB0aGF0IHRoZSB0ZWxlbWV0cnkgQVBJ
L3NvY2tldCBpcyBhcHByb3ByaWF0ZSBmb3IgY2hhbmdpbmcgbG9nL3RyYWNlIHNldHRpbmdzLg0K
DQpJJ20ganVzdCBub3Qgc3VyZSB0aGUgdGVsZW1ldHJ5IEFQSS9zb2NrZXQgaXMgdXNhYmxlIGZv
ciBzdHJlYW1pbmcgbG9nIGFuZCB0cmFjZSBvdXRwdXQsIGFuZCBJIGdvdCB0aGVzZSB0d28gdGhp
bmdzIG1peGVkIHVwLg0KDQo+ID4NCj4gPiA+ID4gQWxzbywgdGhlIGRlZmF1bHQgd291bGQgaGF2
ZSB0byBiZSBkaXNhYmxlZCBmb3IgYXBwbGljYXRpb24NCj4gc2FmZXR5DQo+ID4gPiByZWFzb25z
Lg0KPiA+ID4NCj4gPiA+IFRoaXMgZmVhdHVyZSB3b3VsZCBiZSBmb3IgY29sbGVjdGluZyBhZGRp
dGlvbmFsIGluZm8NCj4gPiA+IGluIGNhc2UgdGhlIGNvbGxlY3Rpb24gd2FzIG5vdCBwbGFubmVk
IGFuZCBhIHJlc3RhcnQgaXMgbm90DQo+IGRlc2lyZWQuDQo+ID4gPiBJZiBpdCBpcyBkaXNhYmxl
ZCBieSBkZWZhdWx0LCBpdCBpcyBsaWtlbHkgdG8gYmUgb2ZmIHdoZW4gaXQncw0KPiBuZWVkZWQu
DQo+ID4NCj4gPiBBbGwgdHJhY2luZywgbG9nZ2luZyBldGMuIE1VU1QgYmUgZGlzYWJsZWQgYnkg
ZGVmYXVsdC4gWW91IGFyZQ0KPiBzdWdnZXN0aW5nIHRoZSBvcHBvc2l0ZSwgd2hpY2ggd2lsbCBk
ZWZpbml0ZWx5IGltcGFjdCBwZXJmb3JtYW5jZS4NCj4gPg0KPiA+IEFuZCBwZXJmb3JtYW5jZSB3
aWxsIGJlY29tZSBhIHZhbGlkIGFyZ3VtZW50IGZvciBub3QgYWRkaW5nIG1vcmUNCj4gdHJhY2Uv
bG9nZ2luZyB0byBsaWJyYXJpZXMsIGlmIGFsbCBvZiBpdCBpcyBlbmFibGVkIGJ5IGRlZmF1bHQu
DQo+ID4NCj4gPiBBbmQgbXkgdXN1YWwgcmFudDogSSBob3BlIGFsbCBvZiB0aGlzIGNhbiBiZSBk
aXNhYmxlZCBhdCBidWlsZCB0aW1lIC0NCj4gZm9yIG1heGltdW0gcGVyZm9ybWFuY2UuDQo+IA0K
PiBUaGUgZmVhdHVyZSBpcyBhIGR5bmFtaWMgZXF1aXZhbGVudCBvZiBleGlzdGluZyAtLWxvZy1s
ZXZlbC8tLXRyYWNlDQo+IG9wdGlvbnMuDQo+IEl0IGRvZXNuJ3QgYWZmZWN0IHBlcmZvcm1hbmNl
IHVudGlsIHVzZWQgdG8gY29uZmlndXJlIGxvZ3MvdHJhY2VzIHRoYXQNCj4gZG8uDQo+IE90aGVy
IGFyZ3VtZW50cyB0byBoYXZlIGl0IG9mZiBieSBkZWZhdWx0IGFyZSB2YWxpZDsganVzdCB0byBj
bGFyaWZ5Lg0KDQpPSy4gVGhlbiBJIGhhdmUgbm8gZnVydGhlciBjb25jZXJucyBhYm91dCBwZXJm
b3JtYW5jZS4NCg0KPiANCj4gPg0KPiA+ID4NCj4gPiA+IExldCdzIGNvbnNpZGVyIGhvdyBleGFj
dGx5IGNhbiBzYWZldHkgYmUgY29tcHJvbWlzZWQuDQo+ID4gPg0KPiA+ID4gMS4gU2VjdXJpbmcg
dGVsZW1ldHJ5IHNvY2tldCBhY2Nlc3MgaXMgb3V0IG9mIHNjb3BlIGZvciBEUERLLA0KPiA+ID4g
ICAgdGhhdCBpcywgYW55IHN1Y2Nlc3NmdWwgYWNjZXNzIGlzIGNvbnNpZGVyZWQgdHJ1c3RlZC4N
Cj4gPiA+DQo+ID4gPiAyLiBFdmVuIHJlYWQtb25seSB0ZWxlbWV0cnkgc3RpbGwgY29tZXMgYXQg
Y29zdCwgZm9yIGV4YW1wbGUsDQo+ID4gPiAgICBtZW1vcnkgdGVsZW1ldHJ5IHRha2VzIGEgZ2xv
YmFsIGxvY2sgdGhhdCBibG9ja3MgYWxsDQo+IGFsbG9jYXRpb25zLA0KPiA+ID4gICAgc28gYWZm
ZWN0aW5nIHRoZSBhcHAgcGVyZm9ybWFuY2UgaXMgYWxyZWFkeSBwb3NzaWJsZS4NCj4gPiA+DQo+
ID4gPiAzLiBJbXBvcnRhbnQgbG9ncyBhbmQgdHJhY2VzIGVuYWJsZWQgYXQgc3RhcnR1cCBtYXkg
YmUgZGlzYWJsZWQNCj4gPiA+IGR5bmFtaWNhbGx5Lg0KPiA+ID4gICAgSWYgaXQncyBhbiBpc3N1
ZSwgdGhlIEFQSSBjYW4gcmVmdXNlIHRvIGRpc2FibGUgdGhlbS4NCj4gPiA+DQo+ID4gPiA0LiBC
b2d1cyBsb2dzIG1heSBmbG9vZCB0aGUgb3V0cHV0IGFuZCBzbG93IGRvd24gdGhlIGFwcC4NCj4g
PiA+ICAgIEJvZ3VzIHRyYWNlcyBjYW4gZXhoYXVzdCBkaXNrIHNwYWNlLg0KPiA+ID4gICAgTG9n
cyBzaG91bGQgYmUgbW9uaXRvcmVkIGF1dG9tYXRpY2FsbHksIHNvIGZsb29kaW5nIGlzIGp1c3Qg
YW4NCj4gPiA+IGFubm95YW5jZS4NCj4gPiA+ICAgIERpc2sgc3BhY2UgY2FuIGhhdmUgYSBxdW90
YS4NCj4gPiA+ICAgIFNpbmNlIHRoZSB1c2VyIGlzIHRydXN0ZWQgKGl0ZW0gMSksIGV2ZW4gaWYg
dGhleSBkbyBpdCBieQ0KPiBtaXN0YWtlLA0KPiA+ID4gICAgdGhleSBjYW4gcXVpY2tseSBjb3Jy
ZWN0IHRoZW1zZWx2ZXMgdXNpbmcgdGhlIHNhbWUgQVBJLg0KPiA+ID4NCj4gPg0KPiA+IEhlcmUn
cyBhIHRob3VnaHQ6DQo+ID4NCj4gPiBBZGQgYW4gQVBJIHRvIHNldCBhbiAidW5sb2NrIGtleSIs
IHNvIGFwcGxpY2F0aW9ucyB3aG8gZG9uJ3Qgd2FudCB0bw0KPiBhbGxvdyB0aGVzZSBmZWF0dXJl
cyBmb3IgdW5hdXRob3JpemVkIHVzZXJzIGNhbiBwcmV2ZW50IHRoZW0gZnJvbQ0KPiBlbmFibGlu
ZyBpdC4gQXV0aG9yaXplZCB1c2VycyBjYW4gdXNlIGFuIEFQSSB0byB1bmxvY2sgdGhlc2UgZmVh
dHVyZXMNCj4gYnkgcHJvdmlkaW5nIHRoZSBrZXkuDQo+IA0KPiBMZXQncyBrZWVwIGRlbGVnYXRp
bmcgQUFBIHRvIGFuIGV4dGVybmFsIHByb3h5IGlmIG5lZWRlZC4NCj4gDQo+IFVubG9jayBrZXkg
d291bGQgbm90IHJlbW92ZSBTdGVwaGVuJ3MgY29uY2VybnMsDQo+IGJlY2F1c2UgaXQgd291bGQg
c3RpbGwgYmUgYW5vdGhlciBpbnRlcmZhY2UgdG8gYW5hbHl6ZSBhbmQgdG8gcHJvdGVjdC4NCj4g
V29yc2UsIGl0J3MgYSBob21lLWdyb3duIHNlY3VyaXR5IG1lY2hhbmlzbSB0byBjb25zaWRlci4N
Cg0KVHJhY2luZywgbG9nZ2luZyBhbmQgdGVsZW1ldHJ5IGhhcyBsb3RzIG9mIGV4aXN0aW5nIHNl
Y3VyaXR5IGlzc3Vlcy4NCg0KSSBhZ3JlZSB0aGF0IHRoaXMgZmFjdCBzaG91bGQgbm90IHByZXZl
bnQgYW55IG5ldyBmZWF0dXJlcywgc3VjaCBhcyB5b3VyIHByb3Bvc2FsIGhlcmUuIEFBQSByZWdh
cmRpbmcgdGVsZW1ldHJ5IHNob3VsZCBiZSBhZGRyZXNzZWQgc2VwYXJhdGVseS4NCg0KVGhlICJ1
bmxvY2sga2V5IiBjb25jZXB0IHdhcyBpbnNwaXJlZCBieSB0aGUgc2lsaWNvbiB3b3JsZC4gU29t
ZSBjaGlwcyByZXF1aXJlICJrZXlzIiB0byB1bmxvY2sgYWNjZXNzIHRvIHRoZWlyIGZpcm13YXJl
LCB0byBwcm90ZWN0IHRoZW0gZnJvbSByZXZlcnNlIGVuZ2luZWVyaW5nLiBJIHdhcyB0aGlua2lu
ZyB3ZSBjb3VsZCB1c2UgYSBzaW1pbGFyIGFwcHJvYWNoIHRvIHByb3RlY3QgcHJvcHJpZXRhcnkg
RFBESyBhcHBsaWNhdGlvbnMgZnJvbSBiZWluZyByZXZlcnNlIGVuZ2luZWVyZWQgdGhyb3VnaCB0
ZWxlbWV0cnkuIEJ1dCBhZ2FpbiwgSSBhZ3JlZSB3aXRoIHlvdXIgcmVzcG9uc2U7IGxldCdzIG5v
dCBibGVuZCBleGlzdGluZyB0cmFjaW5nL2xvZ2dpbmcvdGVsZW1ldHJ5IHNlY3VyaXR5IGlzc3Vl
cyBpbnRvIHRoaXMgUkZDLg0KDQoNCg==