linux-kernel - [GIT PULL] perf events fixes

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Date:	Tue, 10 Nov 2009 18:45:42 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [GIT PULL] perf events fixes

Linus,

Please pull the latest perf-fixes-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip.git perf-fixes-for-linus

 Thanks,

	Ingo

------------------>
Pekka Enberg (1):
      perf tools: Fix permission checks

Thadeu Lima de Souza Cascardo (1):
      perf_events: Fix some typo in the perf events config description


 init/Kconfig                |    4 ++--
 tools/perf/builtin-record.c |    2 +-
 tools/perf/builtin-top.c    |    2 +-
 3 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/init/Kconfig b/init/Kconfig
index 09c5c64..3b8c7bc 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -937,7 +937,7 @@ config PERF_EVENTS
 	  Enable kernel support for various performance events provided
 	  by software and hardware.
 
-	  Software events are supported either build-in or via the
+	  Software events are supported either built-in or via the
 	  use of generic tracepoints.
 
 	  Most modern CPUs support performance events via performance
@@ -949,7 +949,7 @@ config PERF_EVENTS
 	  used to profile the code that runs on that CPU.
 
 	  The Linux Performance Event subsystem provides an abstraction of
-	  these software and hardware cevent apabilities, available via a
+	  these software and hardware event capabilities, available via a
 	  system call and used by the "perf" utility in tools/perf/. It
 	  provides per task and per CPU counters, and it provides event
 	  capabilities on top of those.
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 3eeef33..a4be453 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -426,7 +426,7 @@ try_again:
 	if (fd[nr_cpu][counter] < 0) {
 		int err = errno;
 
-		if (err == EPERM)
+		if (err == EPERM || err == EACCES)
 			die("Permission error - are you root?\n");
 		else if (err ==  ENODEV && profile_cpu != -1)
 			die("No such device - did you specify an out-of-range profile CPU?\n");
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index a1b1d10..e23bc74 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1027,7 +1027,7 @@ try_again:
 	if (fd[i][counter] < 0) {
 		int err = errno;
 
-		if (err == EPERM)
+		if (err == EPERM || err == EACCES)
 			die("No permission - are you root?\n");
 		/*
 		 * If it's cycles then fall back to hrtimer
--
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