From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey G Subject: Re: Slow HVM boot time, was "HVM boot time optimization" Date: Fri, 16 Feb 2018 20:40:31 +1000 Message-ID: <20180216204031.000052e9@gmail.com> References: <20180208164810.7h7equv4gfbjyzet@citrix.com> <20180208165600.GC1740@perard.uk.xensource.com> <20180208173233.6dejumgyqsz3ecjv@citrix.com> <20180212144217.5iwogwdydfl7ehof@citrix.com> <20180216120842.00001cca@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1emdRg-0004aC-Da for xen-devel@lists.xenproject.org; Fri, 16 Feb 2018 10:40:48 +0000 Received: by mail-lf0-x243.google.com with SMTP id f136so3429183lff.8 for ; Fri, 16 Feb 2018 02:40:46 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Yessine Daoud Cc: Anthony PERARD , xen-devel@lists.xenproject.org, Stefano Stabellini , Wei Liu , ian.jackson@eu.citrix.com List-Id: xen-devel@lists.xenproject.org T24gRnJpLCAxNiBGZWIgMjAxOCAwOTowNTowMiArMDEwMApZZXNzaW5lIERhb3VkIDxkYS55ZXNz aW5lQGdtYWlsLmNvbT4gd3JvdGU6Cgo+SGVsbG8sCj4KPlBsZWFzZSBmaW5kIGF0dGFjaGVkIHRo ZSByZXF1ZXN0ZWQgbG9nIGZpbGUuCgpBY2NvcmRpbmcgdG8gdGhlIGxvZywgc3RyaW5nIEkvTyBp cyBhY3R1YWxseSBwYXNzZWQgZnJvbSBJT1JFUSBidWZmZXJlZAotLSBpbiBncm91cHMgb2YgNDA5 NiBJL08gcmVhZCBvcHMsIGJ1dCB0aGV5J3JlIHN0aWxsIGVtdWxhdGVkIG9uZSBieQpvbmUsIGNh bGxpbmcgUUVNVSdzIGZ3X2NmZyBlbXVsYXRpb24gZm9yIGV2ZXJ5IEkvTyBieXRlIC0tIHRoYXQn cyB0aGUKcmVhc29uIG9mIHNsb3cgbG9hZGluZy4KCkluIG9yZGVyIHRvIHNwZWVkIHVwIGZ3X2Nm ZyByZWFkaW5nLCBJL08gaW50ZXJmYWNlIHdpdGggZndfY2ZnIHNob3VsZApiZSBzb21laG93IHJl cGxhY2VkIHdpdGggYSBETUEgb25lIChmd19jZmdfaW5pdF9pb19kbWEpLiBTZWFCSU9TIGhhdmUK c3VwcG9ydCBmb3IgcmVhZGluZyBmd19jZmcgdmlhIGVtdWxhdGVkIERNQSwgc28gc3dpdGNoaW5n IHRvIHRoZQpETUEtdmVyc2lvbiBvZiBmd19jZmcgd2lsbCBhbGxvdyB0byBwYXNzIGtlcm5lbCBm aWxlcyBmYXN0ZXIuCgpCYXNpY2FsbHksIHdlIG5lZWQgdG8gcmVwbGFjZSB0aGUgZm9sbG93aW5n IGxpbmUgaW4geGVuX2xvYWRfbGludXgoKToKICAgIGZ3X2NmZyA9IGZ3X2NmZ19pbml0X2lvKEZX X0NGR19JT19CQVNFKTsKd2l0aDoKICAgIGZ3X2NmZyA9IGZ3X2NmZ19pbml0X2lvX2RtYShGV19D RkdfSU9fQkFTRSwgRldfQ0ZHX0lPX0JBU0UgKyA0LAogICAgICAgICAgICAgICAgICAgICAgICAg ICAgICAgICZhZGRyZXNzX3NwYWNlX21lbW9yeSk7CgpCdXQgdGhpcyBzdGVwIG1pZ2h0IChhdCBs ZWFzdCkgcmVxdWlyZSBmZXcgYWRkaXRpb25hbCBhZGp1c3RtZW50cyBmb3IKSU9SRVFfVFlQRV9D T1BZIGhhbmRsaW5nIGluIHhlbi1odm0uYyAtLSBsb29rcyBsaWtlIHJpZ2h0IG5vdyBpdCdzIHRo ZQpzYW1lICdmb3IgZXZlcnkgc2luZ2xlIGRhdGEgaXRlbScgbG9vcCBsaWtlIGZvciBidWZmZXJl ZCBJL08gcHJvY2Vzc2luZy4KSG93ZXZlciwgdW5saWtlIEkvTyBwcm9jZXNzaW5nIHRoaXMgY2Fu IGJlIG1vZGlmaWVkIHRvIGZlZWQKY3B1X3BoeXNpY2FsX21lbW9yeV9ydygpIHdpdGggbGFyZ2Vy IGNodW5rcyBvZiBkYXRhIHRodXMgcmVkdWNpbmcgdGhlCm51bWJlciBvZiBlbXVsYXRvciBjYWxs cy4KCj4yMDE4LTAyLTE2IDM6MDggR01UKzAxOjAwIEFsZXhleSBHIDx4MTkxN3hAZ21haWwuY29t PjoKPgo+PiBPbiBUaHUsIDE1IEZlYiAyMDE4IDE3OjAyOjM1ICswMTAwCj4+IFllc3NpbmUgRGFv dWQgPGRhLnllc3NpbmVAZ21haWwuY29tPiB3cm90ZToKPj4gIAo+PiA+IEhlbGxvLAo+PiA+Cj4+ ID5JIHRyaWVkIHRvIGRlYnVnIHRoZSBpc3N1ZSBhbmQgdGhpcyB3aGF0IEkgZm91bmQ6Cj4+ID50 aGUgSFZNIGJvb3QgdGFrZXMgc29tZSB0aW1lIGF0IHRoZSBmb2xsb3dpbmcgc2VjdGlvbgo+PiA+ KHFlbXUvcGMtYmlvcy9vcHRpb25yb20vbGludXhib290LlMpCj4+ID4vKiBMb2FkIGtlcm5lbCBh bmQgaW5pdHJkICovCj4+ID5yZWFkX2Z3X2Jsb2JfYWRkcjMyX2VkaShGV19DRkdfSU5JVFJEKSAo cmFtZGlzayBhYm91dCAzTSB0YWtlcwo+PiA+fn43LnMpIHJlYWRfZndfYmxvYl9hZGRyMzIoRldf Q0ZHX0tFUk5FTCkgKHZtbGludXogYWJvdXQgN00gdGFrZXMKPj4gPn5+MTUucykgcmVhZF9md19i bG9iX2FkZHIzMihGV19DRkdfQ01ETElORSkKPj4gPgo+PiA+I2RlZmluZSByZWFkX2Z3X2Jsb2Jf YWRkcjMyKHZhcikgXAo+PiA+cmVhZF9mdyB2YXIgIyMgX0FERFI7IFwKPj4gPm1vdiAlZWF4LCAl ZWRpOyBcCj4+ID5yZWFkX2Z3X2Jsb2JfcHJlKHZhcik7IFwKPj4gPi8qIG9sZCBhcygxKSBkb2Vz bid0IGxpa2UgdGhpcyBpbnNuIHNvIGVtaXQgdGhlIGJ5dGVzIGluc3RlYWQ6IFwKPj4gPmFkZHIz MiByZXAgaW5zYiAoJWR4KSwgJWVzOiglZWRpKTsgXAo+PiA+Ki8gXAo+PiA+LmRjLmIgMHg2Nyww eGYzLDB4NmMKPj4gPgo+PiA+I2RlZmluZSByZWFkX2Z3X2Jsb2JfYWRkcjMyX2VkaSh2YXIpIFwK Pj4gPnJlYWRfZndfYmxvYl9wcmUodmFyKTsgXAo+PiA+Lyogb2xkIGFzKDEpIGRvZXNuJ3QgbGlr ZSB0aGlzIGluc24gc28gZW1pdCB0aGUgYnl0ZXMgaW5zdGVhZDogXAo+PiA+YWRkcjMyIHJlcCBp bnNiICglZHgpLCAlZXM6KCVlZGkpOyBcCj4+ID4qLyBcCj4+ID4uZGMuYiAweDY3LDB4ZjMsMHg2 Ywo+PiA+Cj4+ID5BbnkgaWRlYSBob3cgdG8gc3BlZWQgdGhlICBJL08gcmVhZCA/Cj4+ID5UaGFu a3MuICAKPj4KPj4gSG1tLCBsb29rcyBsaWtlIGl0IGRvZXMgcmVwIGluc2Igd2l0aCBldmVyeSBJ L08gaXRlcmF0aW9uIGVtdWxhdGVkCj4+IGluZGl2aWR1YWxseSBmb3Igc29tZSByZWFzb24sIGhl bmNlIGl0cyBzbyBzbG93LiBOb3JtYWxseSBpdCBzaG91bGQKPj4gYmUgZW11bGF0ZWQgb24gYSBi dWZmZXIgYmFzaXMuIFRoZXJlIG1pZ2h0IGJlIGEgYnVnIHNvbWV3aGVyZSB3aGljaAo+PiBjYXVz ZSBzdHJpbmcgSS9PIHRvIGJlIGhhbmRsZWQgYnkgZXZlcnkgaXRlcmF0aW9uLgo+Pgo+PiBZb3Ug bWF5IHRyeSB0byBjb2xsZWN0IFFFTVUgdHJhY2UgbG9ncyB1c2luZwo+PiBkZXZpY2VfbW9kZWxf YXJncyA9IFsiLXRyYWNlIiwgImV2ZW50cz08cGF0aCB0byB5b3VyIGV2ZW50cyBmaWxlPiJdCj4+ IFdoZXJlIHRoZSBldmVudHMgZmlsZSBzaG91bGQgY29udGFpbiBsaW5lcyBsaWtlIHRoaXM6Cj4+ IHhlbl9pb3JlcV9zZXJ2ZXJfY3JlYXRlCj4+IHhlbl9pb3JlcV9zZXJ2ZXJfZGVzdHJveQo+PiB4 ZW5faW9yZXFfc2VydmVyX3N0YXRlCj4+IHhlbl9tYXBfcG9ydGlvX3JhbmdlCj4+IHhlbl91bm1h cF9wb3J0aW9fcmFuZ2UKPj4gY3B1X2lvcmVxX3Bpbwo+PiBjcHVfaW9yZXFfcGlvX3JlYWRfcmVn Cj4+IGNwdV9pb3JlcV9waW9fd3JpdGVfcmVnCj4+IGhhbmRsZV9pb3JlcQo+PiBoYW5kbGVfaW9y ZXFfcmVhZAo+PiBoYW5kbGVfaW9yZXFfd3JpdGUKPj4KPj4gVGhlIHJlc3VsdGluZyBsb2cgZmls ZSBpbiAvdmFyL2xvZy94ZW4gbWlnaHQgYmUgbGFyZ2UgKG1heSBldmVuCj4+IHJlcXVpcmUgdG8g c3BlY2lmeSBYRU5fUUVNVV9DT05TT0xFX0xJTUlUPTApIGJ1dCB3aWxsIHNob3cgaG93IHRoZQo+ PiBzdHJpbmcgSS9PIHdpdGggcG9ydCA1MTBoIGlzIHByb2Nlc3NlZC4gVGhpcyBzaG91bGQgbmFy cm93IHRoZSBpc3N1ZS4KPj4gIAoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnBy b2plY3Qub3JnCmh0dHBzOi8vbGlzdHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94 ZW4tZGV2ZWw=