linux-kernel - [RFC][PATCH 00/11] Another stab at PEBS and LBR support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 03 Mar 2010 17:39:36 +0100
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	mingo@...e.hu, linux-kernel@...r.kernel.org
Cc:	paulus@...ba.org, eranian@...gle.com, robert.richter@....com,
	fweisbec@...il.com, Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [RFC][PATCH 00/11] Another stab at PEBS and LBR support


Sorta works, the PEBS-LBR-fixup stuff makes my machine unhappy, but I could
have made a silly mistake there..

Can be tested using the below patchlet and something like: perf top -e r00c0p

---
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 05d0c5c..f8314e6 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -656,6 +656,11 @@ parse_raw_event(const char **strp, struct perf_event_attr *attr)
 		return EVT_FAILED;
 	n = hex2u64(str + 1, &config);
 	if (n > 0) {
+		if (str[n+1] == 'p') {
+			attr->precise = 1;
+			printf("precise\n");
+			n++;
+		}
 		*strp = str + n + 1;
 		attr->type = PERF_TYPE_RAW;
 		attr->config = config;


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/