linux-kernel - [PATCH 6/9] perf, tools: Allow events with dot

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

Message-Id: <1403910964-11017-7-git-send-email-andi@firstfloor.org>
Date:	Fri, 27 Jun 2014 16:16:01 -0700
From:	Andi Kleen <andi@...stfloor.org>
To:	jolsa@...hat.com
Cc:	linux-kernel@...r.kernel.org, namhyung@...nel.org,
	acme@...radead.org, Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 6/9] perf, tools: Allow events with dot

From: Andi Kleen <ak@...ux.intel.com>

The Intel events use a dot to separate event name and unit mask.
Allow dot in names in the scanner, and remove special handling
of dot as EOF. Also remove the hack in jevents to replace dot
with underscore. This way dotted events can be specified
directly by the user.

I'm not fully sure this change to the scanner is correct
(what was the dot special case good for?), but I haven't
found anything that breaks with it so far at least.

Acked-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 tools/perf/util/jevents.c      | 9 +--------
 tools/perf/util/parse-events.l | 3 +--
 2 files changed, 2 insertions(+), 10 deletions(-)

diff --git a/tools/perf/util/jevents.c b/tools/perf/util/jevents.c
index 1fae0b7..43550f7 100644
--- a/tools/perf/util/jevents.c
+++ b/tools/perf/util/jevents.c
@@ -100,15 +100,8 @@ static void addfield(char *map, char **dst, const char *sep,
 
 static void fixname(char *s)
 {
-	for (; *s; s++) {
+	for (; *s; s++)
 		*s = tolower(*s);
-		/*
-		 * Remove '.' for now, until the parser
-		 * can deal with it.
-		 */
-		if (*s == '.')
-			*s = '_';
-	}
 }
 
 static void fixdesc(char *s)
diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l
index 3432995..709fa3b 100644
--- a/tools/perf/util/parse-events.l
+++ b/tools/perf/util/parse-events.l
@@ -81,7 +81,7 @@ num_dec		[0-9]+
 num_hex		0x[a-fA-F0-9]+
 num_raw_hex	[a-fA-F0-9]+
 name		[a-zA-Z_*?][a-zA-Z0-9_*?]*
-name_minus	[a-zA-Z_*?][a-zA-Z0-9\-_*?]*
+name_minus	[a-zA-Z_*?][a-zA-Z0-9\-_*?.]*
 /* If you add a modifier you need to update check_modifier() */
 modifier_event	[ukhpGHSD]+
 modifier_bp	[rwx]{1,3}
@@ -119,7 +119,6 @@ modifier_bp	[rwx]{1,3}
 			return PE_EVENT_NAME;
 		}
 
-.		|
 <<EOF>>		{
 			BEGIN(INITIAL); yyless(0);
 		}
-- 
1.9.3

--
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/