linux-kernel - [PATCH 1/5] trace-cmd: Use TRACE_DIR envrionment variable if defined

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: <20120822084301.17293.90649.stgit@ltc189.sdl.hitachi.co.jp>
Date:	Wed, 22 Aug 2012 17:43:02 +0900
From:	Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	Amit Shah <amit.shah@...hat.com>,
	Anthony Liguori <anthony@...emonkey.ws>,
	Arnd Bergmann <arnd@...db.de>, Borislav Petkov <bp@...64.org>,
	"Franch Ch. Eigler" <fche@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Herbert Xu <herbert@...dor.apana.org.au>,
	Ingo Molnar <mingo@...hat.com>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	linux-kernel@...r.kernel.org,
	virtualization@...ts.linux-foundation.org, qemu-devel@...gnu.org,
	yrl.pp-manager.tt@...achi.com,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
Subject: [PATCH 1/5] trace-cmd: Use TRACE_DIR envrionment variable if defined

From: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>

Use TRACE_DIR environment variable for setting
debugfs/tracing directory if defined. This is
for controlling guest(or remote) ftrace.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@...achi.com>
---

 trace-util.c |    9 +++++++++
 1 files changed, 9 insertions(+), 0 deletions(-)

diff --git a/trace-util.c b/trace-util.c
index e128188..d5a3eb4 100644
--- a/trace-util.c
+++ b/trace-util.c
@@ -311,6 +311,15 @@ char *tracecmd_find_tracing_dir(void)
 	char type[100];
 	FILE *fp;
 	
+	tracing_dir = getenv("TRACE_DIR");
+	if (tracing_dir) {
+		tracing_dir = strdup(tracing_dir);
+		if (!tracing_dir)
+			die("malloc");
+		warning("Use environmental tracing directory: %s\n", tracing_dir);
+		return tracing_dir;
+	}
+
 	if ((fp = fopen("/proc/mounts","r")) == NULL) {
 		warning("Can't open /proc/mounts for read");
 		return NULL;


--
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/