From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Subject: [patch V2 20/29] tracing: Simplify stacktrace retrieval in histograms Date: Thu, 18 Apr 2019 10:41:39 +0200 Message-ID: <20190418084254.910579307@linutronix.de> References: <20190418084119.056416939@linutronix.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: LKML Cc: Mike Snitzer , David Airlie , Catalin Marinas , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, dm-devel@redhat.com, Alexander Potapenko , Christoph Lameter , Christoph Hellwig , Alasdair Kergon , Marek Szyprowski , linux-arch@vger.kernel.org, x86@kernel.org, kasan-dev@googlegroups.com, Johannes Thumshirn , Andrey Ryabinin , Alexey Dobriyan , intel-gfx@lists.freedesktop.org, David Rientjes , Akinobu Mita , Steven Rostedt , Josef Bacik , Mike Rapoport , Andy Lutomirski , Josh Poimboeuf , David Sterba List-Id: intel-gfx@lists.freedesktop.org VGhlIGluZGlyZWN0aW9uIHRocm91Z2ggc3RydWN0IHN0YWNrX3RyYWNlIGlzIG5vdCBuZWNlc3Nh cnkgYXQgYWxsLiBVc2UgdGhlCnN0b3JhZ2UgYXJyYXkgYmFzZWQgaW50ZXJmYWNlLgoKU2lnbmVk LW9mZi1ieTogVGhvbWFzIEdsZWl4bmVyIDx0Z2x4QGxpbnV0cm9uaXguZGU+CkNjOiBTdGV2ZW4g Um9zdGVkdCA8cm9zdGVkdEBnb29kbWlzLm9yZz4KLS0tCiBrZXJuZWwvdHJhY2UvdHJhY2VfZXZl bnRzX2hpc3QuYyB8ICAgMTIgKysrLS0tLS0tLS0tCiAxIGZpbGUgY2hhbmdlZCwgMyBpbnNlcnRp b25zKCspLCA5IGRlbGV0aW9ucygtKQoKLS0tIGEva2VybmVsL3RyYWNlL3RyYWNlX2V2ZW50c19o aXN0LmMKKysrIGIva2VybmVsL3RyYWNlL3RyYWNlX2V2ZW50c19oaXN0LmMKQEAgLTUxODYsNyAr NTE4Niw2IEBAIHN0YXRpYyB2b2lkIGV2ZW50X2hpc3RfdHJpZ2dlcihzdHJ1Y3QgZXYKIAl1NjQg dmFyX3JlZl92YWxzW1RSQUNJTkdfTUFQX1ZBUlNfTUFYXTsKIAljaGFyIGNvbXBvdW5kX2tleVtI SVNUX0tFWV9TSVpFX01BWF07CiAJc3RydWN0IHRyYWNpbmdfbWFwX2VsdCAqZWx0ID0gTlVMTDsK LQlzdHJ1Y3Qgc3RhY2tfdHJhY2Ugc3RhY2t0cmFjZTsKIAlzdHJ1Y3QgaGlzdF9maWVsZCAqa2V5 X2ZpZWxkOwogCXU2NCBmaWVsZF9jb250ZW50czsKIAl2b2lkICprZXkgPSBOVUxMOwpAQCAtNTE5 OCwxNCArNTE5Nyw5IEBAIHN0YXRpYyB2b2lkIGV2ZW50X2hpc3RfdHJpZ2dlcihzdHJ1Y3QgZXYK IAkJa2V5X2ZpZWxkID0gaGlzdF9kYXRhLT5maWVsZHNbaV07CiAKIAkJaWYgKGtleV9maWVsZC0+ ZmxhZ3MgJiBISVNUX0ZJRUxEX0ZMX1NUQUNLVFJBQ0UpIHsKLQkJCXN0YWNrdHJhY2UubWF4X2Vu dHJpZXMgPSBISVNUX1NUQUNLVFJBQ0VfREVQVEg7Ci0JCQlzdGFja3RyYWNlLmVudHJpZXMgPSBl bnRyaWVzOwotCQkJc3RhY2t0cmFjZS5ucl9lbnRyaWVzID0gMDsKLQkJCXN0YWNrdHJhY2Uuc2tp cCA9IEhJU1RfU1RBQ0tUUkFDRV9TS0lQOwotCi0JCQltZW1zZXQoc3RhY2t0cmFjZS5lbnRyaWVz LCAwLCBISVNUX1NUQUNLVFJBQ0VfU0laRSk7Ci0JCQlzYXZlX3N0YWNrX3RyYWNlKCZzdGFja3Ry YWNlKTsKLQorCQkJbWVtc2V0KGVudHJpZXMsIDAsIEhJU1RfU1RBQ0tUUkFDRV9TSVpFKTsKKwkJ CXN0YWNrX3RyYWNlX3NhdmUoZW50cmllcywgSElTVF9TVEFDS1RSQUNFX0RFUFRILAorCQkJCQkg SElTVF9TVEFDS1RSQUNFX1NLSVApOwogCQkJa2V5ID0gZW50cmllczsKIAkJfSBlbHNlIHsKIAkJ CWZpZWxkX2NvbnRlbnRzID0ga2V5X2ZpZWxkLT5mbihrZXlfZmllbGQsIGVsdCwgcmJlLCByZWMp OwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVs LWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczov L2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==