From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Marchi via lttng-dev Subject: Re: babletrace2 graph performance considerations Date: Mon, 30 Mar 2020 09:32:49 -0400 Message-ID: <9b2fe91b-4f44-3b89-eaf9-98f945384a33@simark.ca> References: Reply-To: Simon Marchi Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from simark.ca (simark.ca [158.69.221.121]) by lists.lttng.org (Postfix) with ESMTPS id 48rYLK0cSfz1Yks for ; Mon, 30 Mar 2020 09:32:56 -0400 (EDT) In-Reply-To: Content-Language: en-US-large List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: lttng-dev-bounces@lists.lttng.org Sender: "lttng-dev" To: Rocky Dunlap , lttng-dev@lists.lttng.org List-Id: lttng-dev@lists.lttng.org T24gMjAyMC0wMy0zMCAxMjoxMCBhLm0uLCBSb2NreSBEdW5sYXAgdmlhIGx0dG5nLWRldiB3cm90 ZToKPiBBIGNvdXBsZSBvZiBxdWVzdGlvbnMgb24gcGVyZm9ybWFuY2UgY29uc2lkZXJhdGlvbnMg d2hlbiBzZXR0aW5nIHVwIGJ0MiBwcm9jZXNzaW5nIGdyYXBocy4KPiAKPiAxLsKgIERvIHBhcnRz IG9mIHRoZSBwcm9jZXNzaW5nIGdyYXBoIHRoYXQgY2FuIGV4ZWN1dGUgY29uY3VycmVudGx5IGRv IHNvP8KgIERvZXMgdGhlIHVzZXIgaGF2ZSBhbnkgY29udHJvbCBvdmVyIHRoaXMsIGUuZy4sIGJ5 IGNyZWF0aW5nIHRocmVhZHMgaW4gc2luayBjb21wb25lbnRzPwoKVGhlIGdyYXBoIGV4ZWN1dGlv biBpbiBpdHNlbGYgaXMgc2luZ2xlLXRocmVhZGVkIGF0IHRoZSBtb21lbnQuICBXZSBjb3VsZCBp bWFnaW5nCmEgZGVzaWduIHdoZXJlIGRpZmZlcmVudCBwYXJ0cyBvZiB0aGUgZ3JhcGggZXhlY3V0 ZSBjb25jdXJyZW50bHksIGluIGRpZmZlcmVudAp0aHJlYWRzLCBidXQgaXQncyB0aGUgdGhlIGNh c2UgcmlnaHQgbm93LgoKWW91IGNvdWxkIG1ha2UgeW91ciBjb21wb25lbnRzIHNwYXduIHRocmVh ZHMgdG8gZG8gc29tZSBwcm9jZXNzaW5nIG9uIHRoZSBzaWRlLAppZiB0aGF0IGhlbHBzLCBidXQg dGhlc2Ugb3RoZXIgdGhyZWFkcyBzaG91bGQgbm90IGludGVyYWN0IGRpcmVjdGx5IHdpdGggdGhl CmdyYXBoLgoKPiAyLsKgIEl0IGxvb2tzIGxpa2UgeW91IGNhbm5vdCBjb25uZWN0IG9uZSBvdXRw dXQgcG9ydCB0byBtdWx0aXBsZSBpbnB1dHMuwqAgSXMgdGhlcmUgYSB3YXkgdG8gY3JlYXRlIGEg dGVlIGNvbXBvbmVudD8KClllcywgd2UgaGF2ZSBkaXNjdXNzZWQgbWFraW5nIGEgdGVlIGNvbXBv bmVudCwgaXQgaXMgb24gdGhlIHJvYWRtYXAgYnV0IG5vdCByZWFsbHkKcGxhbm5lZCB5ZXQuICBJ dCBzaG91bGQgYmUgcG9zc2libGUsIGl0J3MganVzdCBub3QgYXMgdHJpdmlhbCBhcyBpdCBtYXkg c291bmQuCgpPbmUgZWFzeSB3YXkgdG8gYWNoaWV2ZSBpdCBpcyB0byBtYWtlIGVhY2ggaXRlcmF0 b3IgdGhhdCBpcyBjcmVhdGVkIG9uIHRoZSB0ZWUKY29tcG9uZW50IGNyZWF0ZSBhbmQgbWFpbnRh aW4gaXRzIG93biB1cHN0cmVhbSBpdGVyYXRvci4gIElmIHlvdSBoYXZlIGEgdGVlIHdpdGgKdHdv IG91dHB1dHMsIHRoaXMgd2lsbCBlZmZlY3RpdmVseSBtYWtlIGl0IHNvIHlvdSBoYXZlIHR3byBn cmFwaHMgZXhlY3V0aW5nIGluCnBhcmFsbGVsLiAgSWYgeW91IGhhdmUgYSBzcmMuY3RmLmZzIHNv dXJjZSB1cHN0cmVhbSBvZiB0aGUgdGVlLCB0aGVuIHRoZXJlIHdpbGwKYmUgdHdvIGl0ZXJhdG9y cyBjcmVhdGVkIG9uIHRoYXQgc291cmNlLCBzbyB0aGUgQ1RGIHRyYWNlIHdpbGwgYmUgb3BlbiBh bmQgZGVjb2RlZAp0d2ljZS4gIFdlJ2QgbGlrZSB0byBhdm9pZCB0aGF0LgoKVGhlIG90aGVyIHdh eSBvZiBkb2luZyBpdCBpcyB0byBtYWtlIHRoZSB0ZWUgYnVmZmVyIG1lc3NhZ2VzLCBhbmQgZGlz Y2FyZCBhCm1lc3NhZ2Ugb25jZSBhbGwgZG93bnN0cmVhbSBpdGVyYXRvcnMgaGF2ZSBjb25zdW1l ZCBpdC4gIFRoaXMgaGFzIHNvbWUgbW9yZQpkaWZmaWN1bHQgdGVjaG5pY2FsIGNoYWxsZW5nZXMs IGxpa2Ugd2hhdCB0byBkbyB3aGVuIG9uZSBkb3duc3RyZWFtIGl0ZXJhdG9yCmNvbnN1bWVzLCBi dXQgdGhlIG90aGVyIGRvZXMgbm90ICh3ZSBkb24ndCB3YW50IHRvIGJ1ZmZlciBhbiBpbmZpbml0 ZSBhbW91bnQKb2YgZGF0YSkuICBJdCBhbHNvIG1ha2VzIHNlZWtpbmcgYSBiaXQgdHJpY2t5LgoK V2UgY291bGQgZ28gaW4gbW9yZSBkZXRhaWxzLCBpZiB5b3UgYXJlIGludGVyZXN0ZWQgaW4gc3Rh cnRpbmcgaW1wbGVtZW50aW5nIGl0CnlvdXJzZWxmLgoKU2ltb24KX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbHR0bmctZGV2IG1haWxpbmcgbGlzdApsdHRu Zy1kZXZAbGlzdHMubHR0bmcub3JnCmh0dHBzOi8vbGlzdHMubHR0bmcub3JnL2NnaS1iaW4vbWFp bG1hbi9saXN0aW5mby9sdHRuZy1kZXYK