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

* 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  perf tools: Fix permission checks
  perf_events: Fix some typo in the perf events config description
Linus Torvalds 15 år sedan
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3 ändrade filer med 4 tillägg och 4 borttagningar
  1. 2 2
      init/Kconfig
  2. 1 1
      tools/perf/builtin-record.c
  3. 1 1
      tools/perf/builtin-top.c

+ 2 - 2
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.

+ 1 - 1
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");

+ 1 - 1
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