From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: [PATCH] xenstore: add memory allocation debugging capability Date: Tue, 19 Jul 2016 13:00:58 +0100 Message-ID: <20160719120058.GA2260@citrix.com> References: <1468560506-28245-1-git-send-email-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <1468560506-28245-1-git-send-email-jgross@suse.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Juergen Gross Cc: wei.liu2@citrix.com, ian.jackson@eu.citrix.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBKdWwgMTUsIDIwMTYgYXQgMDc6Mjg6MjZBTSArMDIwMCwgSnVlcmdlbiBHcm9zcyB3 cm90ZToKPiBBZGQgc3VwcG9ydCBmb3IgZGVidWdnaW5nIG1lbW9yeSBhbGxvY2F0aW9uIHN0YXRp c3RpY3MgdG8geGVuc3RvcmVkLgo+IFNwZWNpZnlpbmcgIi1NIDxmaWxlPiIgb24gdGhlIGNvbW1h bmQgbGluZSB3aWxsIGVuYWJsZSB0aGUgZmVhdHVyZS4KPiBXaGVuZXZlciB4ZW5zdG9yZWQgcmVj ZWl2ZXMgU0lHVVNSMSBpdCB3aWxsIGR1bXAgb3V0IGEgZnVsbCB0YWxsb2MKPiByZXBvcnQgdG8g PGZpbGU+LiBUaGlzIGhlbHBzIGZpbmRpbmcgZS5nLiBtZW1vcnkgbGVha3MgaW4geGVuc3RvcmVk Lgo+IAo+IFNpZ25lZC1vZmYtYnk6IEp1ZXJnZW4gR3Jvc3MgPGpncm9zc0BzdXNlLmNvbT4KPiAt LS0KPiBUbyBiZSBhcHBsaWVkIG9uIHRvcCBvZiBteSAieGVuc3RvcmU6IGZpeCBtZW1vcnkgbGVh ayBvZiB4ZW5zdG9yZWQiCj4gc2VyaWVzLiBJbiBmYWN0IHRoaXMgcGF0Y2ggd2FzIHVzZWQgdG8g ZmluZCB0aGUgcHJvYmxlbSB0aGUgc2VyaWVzCj4gZml4ZWQgYW5kIEkgdXNlZCBpdCB0byB2ZXJp ZnkgdGhlIHBhdGNoZXMgYXJlIHdvcmtpbmcuCgpUaGlzIHBhdGNoIGRvZXNuJ3Qgc2VlbSB0byBh cHBseSBjbGVhbmx5IGFueW1vcmUuCgpUaGUgaHVuayByZWplY3RlZCBpczoKCmRpZmYgYS90b29s cy94ZW5zdG9yZS94ZW5zdG9yZWRfY29yZS5jIGIvdG9vbHMveGVuc3RvcmUveGVuc3RvcmVkX2Nv cmUuYyAocmVqZWN0ZWQgaHVua3MpCkBAIC0xODYwLDkgKzE4NzIsMTAgQEAgaW50IG1haW4oaW50 IGFyZ2MsIGNoYXIgKmFyZ3ZbXSkKICAgICAgICBib29sIG91dHB1dHBpZCA9IGZhbHNlOwogICAg ICAgIGJvb2wgbm9fZG9tYWluX2luaXQgPSBmYWxzZTsKICAgICAgICBjb25zdCBjaGFyICpwaWRm aWxlID0gTlVMTDsKKyAgICAgICBjb25zdCBjaGFyICptZW1maWxlID0gTlVMTDsKICAgICAgICBp bnQgdGltZW91dDsKIAotICAgICAgIHdoaWxlICgob3B0ID0gZ2V0b3B0X2xvbmcoYXJnYywgYXJn diwgIkRFOkY6SE5QUzp0OlQ6UkxWVzoiLAogICAgICAgIG9wdGlvbnMsCisgICAgICAgd2hpbGUg KChvcHQgPSBnZXRvcHRfbG9uZyhhcmdjLCBhcmd2LCAiREU6RjpITlBTOnQ6VDpSTFZXOk06IiwK b3B0aW9ucywKICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIE5VTEwpKSAhPSAtMSkg ewogICAgICAgICAgICAgICAgc3dpdGNoIChvcHQpIHsKICAgICAgICAgICAgICAgIGNhc2UgJ0Qn OgpAQCAtMTk0Miw2ICsxOTU4LDExIEBAIGludCBtYWluKGludCBhcmdjLCBjaGFyICphcmd2W10p CiAgICAgICAgLyogRG9uJ3Qga2lsbCB1cyB3aXRoIFNJR1BJUEUuICovCiAgICAgICAgc2lnbmFs KFNJR1BJUEUsIFNJR19JR04pOwogCisgICAgICAgaWYgKG1lbWZpbGUpIHsKKyAgICAgICAgICAg ICAgIHRhbGxvY19lbmFibGVfbnVsbF90cmFja2luZygpOworICAgICAgICAgICAgICAgc2lnbmFs KFNJR1VTUjEsIGRvX3RhbGxvY19yZXBvcnQpOworICAgICAgIH0KKwogICAgICAgIGluaXRfc29j a2V0cygmc29jaywgJnJvX3NvY2spOwogCiAgICAgICAgaW5pdF9waXBlKHJlb3Blbl9sb2dfcGlw ZSk7CgoKRG9lc24ndCBzZWVtIHRvIGJlIGltbWVkaWF0ZWx5IG9idmlvdXMgdG8gbWUgd2h5IHRo aXMgaXMgcmVqZWN0ZWQuCgpDYW4geW91IHBsZWFzZSByZWJhc2UgdGhpcyBwYXRjaCBhbmQgcmVz ZW5kPwoKV2VpLgoKCj4gLS0tCj4gIHRvb2xzL3hlbnN0b3JlL3hlbnN0b3JlZF9jb3JlLmMgfCAz NCArKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKystCj4gIDEgZmlsZSBjaGFuZ2VkLCAz MyBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pCj4gCj4gZGlmZiAtLWdpdCBhL3Rvb2xzL3hl bnN0b3JlL3hlbnN0b3JlZF9jb3JlLmMgYi90b29scy94ZW5zdG9yZS94ZW5zdG9yZWRfY29yZS5j Cj4gaW5kZXggOGNiMTJjNy4uYWI3MzdlYiAxMDA2NDQKPiAtLS0gYS90b29scy94ZW5zdG9yZS94 ZW5zdG9yZWRfY29yZS5jCj4gKysrIGIvdG9vbHMveGVuc3RvcmUveGVuc3RvcmVkX2NvcmUuYwo+ IEBAIC03MSw2ICs3MSw3IEBAIHN0YXRpYyBpbnQgcmVvcGVuX2xvZ19waXBlWzJdOwo+ICBzdGF0 aWMgaW50IHJlb3Blbl9sb2dfcGlwZTBfcG9sbGZkX2lkeCA9IC0xOwo+ICBzdGF0aWMgY2hhciAq dHJhY2VmaWxlID0gTlVMTDsKPiAgc3RhdGljIFREQl9DT05URVhUICp0ZGJfY3R4ID0gTlVMTDsK PiArc3RhdGljIGJvb2wgdHJpZ2dlcl90YWxsb2NfcmVwb3J0ID0gZmFsc2U7Cj4gIAo+ICBzdGF0 aWMgdm9pZCBjb3JydXB0KHN0cnVjdCBjb25uZWN0aW9uICpjb25uLCBjb25zdCBjaGFyICpmbXQs IC4uLik7Cj4gIHN0YXRpYyB2b2lkIGNoZWNrX3N0b3JlKHZvaWQpOwo+IEBAIC0xNzQzLDYgKzE3 NDQsMTAgQEAgc3RhdGljIHZvaWQgaW5pdF9zb2NrZXRzKGludCAqKnBzb2NrLCBpbnQgKipwcm9f c29jaykKPiAgCXN0YXRpYyBpbnQgbWludXNfb25lID0gLTE7Cj4gIAkqcHNvY2sgPSAqcHJvX3Nv Y2sgPSAmbWludXNfb25lOwo+ICB9Cj4gKwo+ICtzdGF0aWMgdm9pZCBkb190YWxsb2NfcmVwb3J0 KGludCBzaWcpCj4gK3sKPiArfQo+ICAjZWxzZQo+ICBzdGF0aWMgaW50IGRlc3Ryb3lfZmQodm9p ZCAqX2ZkKQo+ICB7Cj4gQEAgLTE3OTgsNiArMTgwMywxMSBAQCBzdGF0aWMgdm9pZCBpbml0X3Nv Y2tldHMoaW50ICoqcHNvY2ssIGludCAqKnByb19zb2NrKQo+ICAKPiAgCj4gIH0KPiArCj4gK3N0 YXRpYyB2b2lkIGRvX3RhbGxvY19yZXBvcnQoaW50IHNpZykKPiArewo+ICsJdHJpZ2dlcl90YWxs b2NfcmVwb3J0ID0gdHJ1ZTsKPiArfQo+ICAjZW5kaWYKPiAgCj4gIHN0YXRpYyB2b2lkIHVzYWdl KHZvaWQpCj4gQEAgLTE4MjMsNiArMTgzMyw3IEBAIHN0YXRpYyB2b2lkIHVzYWdlKHZvaWQpCj4g ICIgICAgICAgICAgICAgICAgICAgICAgICAgIHRoZSBzdG9yZSBpcyBjb3JydXB0ZWQgKGRlYnVn IG9ubHkpLFxuIgo+ICAiICAtSSwgLS1pbnRlcm5hbC1kYiAgICAgICBzdG9yZSBkYXRhYmFzZSBp biBtZW1vcnksIG5vdCBvbiBkaXNrXG4iCj4gICIgIC1MLCAtLXByZXNlcnZlLWxvY2FsICAgIHRv IHJlcXVlc3QgdGhhdCAvbG9jYWwgaXMgcHJlc2VydmVkIG9uIHN0YXJ0LXVwLFxuIgo+ICsiICAt TSwgLS1tZW1vcnktZGVidWcgPGZpbGU+ICBzdXBwb3J0IG1lbW9yeSBkZWJ1Z2dpbmcgdG8gZmls ZSxcbiIKPiAgIiAgLVYsIC0tdmVyYm9zZSAgICAgICAgICAgdG8gcmVxdWVzdCB2ZXJib3NlIGV4 ZWN1dGlvbi5cbiIpOwo+ICB9Cj4gIAo+IEBAIC0xODQ1LDYgKzE4NTYsNyBAQCBzdGF0aWMgc3Ry dWN0IG9wdGlvbiBvcHRpb25zW10gPSB7Cj4gIAl7ICJpbnRlcm5hbC1kYiIsIDAsIE5VTEwsICdJ JyB9LAo+ICAJeyAidmVyYm9zZSIsIDAsIE5VTEwsICdWJyB9LAo+ICAJeyAid2F0Y2gtbmIiLCAx LCBOVUxMLCAnVycgfSwKPiArCXsgIm1lbW9yeS1kZWJ1ZyIsIDEsIE5VTEwsICdNJyB9LAo+ICAJ eyBOVUxMLCAwLCBOVUxMLCAwIH0gfTsKPiAgCj4gIGV4dGVybiB2b2lkIGR1bXBfY29ubihzdHJ1 Y3QgY29ubmVjdGlvbiAqY29ubik7IAo+IEBAIC0xODYwLDkgKzE4NzIsMTAgQEAgaW50IG1haW4o aW50IGFyZ2MsIGNoYXIgKmFyZ3ZbXSkKPiAgCWJvb2wgb3V0cHV0cGlkID0gZmFsc2U7Cj4gIAli b29sIG5vX2RvbWFpbl9pbml0ID0gZmFsc2U7Cj4gIAljb25zdCBjaGFyICpwaWRmaWxlID0gTlVM TDsKPiArCWNvbnN0IGNoYXIgKm1lbWZpbGUgPSBOVUxMOwo+ICAJaW50IHRpbWVvdXQ7Cj4gIAo+ IC0Jd2hpbGUgKChvcHQgPSBnZXRvcHRfbG9uZyhhcmdjLCBhcmd2LCAiREU6RjpITlBTOnQ6VDpS TFZXOiIsIG9wdGlvbnMsCj4gKwl3aGlsZSAoKG9wdCA9IGdldG9wdF9sb25nKGFyZ2MsIGFyZ3Ys ICJERTpGOkhOUFM6dDpUOlJMVlc6TToiLCBvcHRpb25zLAo+ICAJCQkJICBOVUxMKSkgIT0gLTEp IHsKPiAgCQlzd2l0Y2ggKG9wdCkgewo+ICAJCWNhc2UgJ0QnOgo+IEBAIC0xOTE2LDYgKzE5Mjks OSBAQCBpbnQgbWFpbihpbnQgYXJnYywgY2hhciAqYXJndltdKQo+ICAJCWNhc2UgJ3AnOgo+ICAJ CQlwcml2X2RvbWlkID0gc3RydG9sKG9wdGFyZywgTlVMTCwgMTApOwo+ICAJCQlicmVhazsKPiAr CQljYXNlICdNJzoKPiArCQkJbWVtZmlsZSA9IG9wdGFyZzsKPiArCQkJYnJlYWs7Cj4gIAkJfQo+ ICAJfQo+ICAJaWYgKG9wdGluZCAhPSBhcmdjKQo+IEBAIC0xOTQyLDYgKzE5NTgsMTEgQEAgaW50 IG1haW4oaW50IGFyZ2MsIGNoYXIgKmFyZ3ZbXSkKPiAgCS8qIERvbid0IGtpbGwgdXMgd2l0aCBT SUdQSVBFLiAqLwo+ICAJc2lnbmFsKFNJR1BJUEUsIFNJR19JR04pOwo+ICAKPiArCWlmIChtZW1m aWxlKSB7Cj4gKwkJdGFsbG9jX2VuYWJsZV9udWxsX3RyYWNraW5nKCk7Cj4gKwkJc2lnbmFsKFNJ R1VTUjEsIGRvX3RhbGxvY19yZXBvcnQpOwo+ICsJfQo+ICsKPiAgCWluaXRfc29ja2V0cygmc29j aywgJnJvX3NvY2spOwo+ICAKPiAgCWluaXRfcGlwZShyZW9wZW5fbG9nX3BpcGUpOwo+IEBAIC0x OTc4LDYgKzE5OTksMTcgQEAgaW50IG1haW4oaW50IGFyZ2MsIGNoYXIgKmFyZ3ZbXSkKPiAgCWZv ciAoOzspIHsKPiAgCQlzdHJ1Y3QgY29ubmVjdGlvbiAqY29ubiwgKm5leHQ7Cj4gIAo+ICsJCWlm ICh0cmlnZ2VyX3RhbGxvY19yZXBvcnQpIHsKPiArCQkJRklMRSAqb3V0Owo+ICsKPiArCQkJdHJp Z2dlcl90YWxsb2NfcmVwb3J0ID0gZmFsc2U7Cj4gKwkJCW91dCA9IGZvcGVuKG1lbWZpbGUsICJh Iik7Cj4gKwkJCWlmIChvdXQpIHsKPiArCQkJCXRhbGxvY19yZXBvcnRfZnVsbChOVUxMLCBvdXQp Owo+ICsJCQkJZmNsb3NlKG91dCk7Cj4gKwkJCX0KPiArCQl9Cj4gKwo+ICAJCWlmIChwb2xsKGZk cywgbnJfZmRzLCB0aW1lb3V0KSA8IDApIHsKPiAgCQkJaWYgKGVycm5vID09IEVJTlRSKQo+ICAJ CQkJY29udGludWU7Cj4gLS0gCj4gMi42LjYKPiAKCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZlbCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxp c3RzLnhlbi5vcmcKaHR0cHM6Ly9saXN0cy54ZW4ub3JnL3hlbi1kZXZlbAo=