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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-11 11:29:34 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-11-11 11:29:34 -0800 |
| commit | 26a9ba160f50115ece48198608002600914932a7 (patch) | |
| tree | bcbc9be816e0282c0e33822b897489ca74a3e54f | |
| parent | 13b5892672073b1169b3b60b8a57123fb32c9df1 (diff) | |
| parent | c10edee2e1716f8cf217cf52ed01ae4742fcdf3c (diff) | |
| download | linux-26a9ba160f50115ece48198608002600914932a7.tar.bz2 | |
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
| -rw-r--r-- | init/Kconfig | 4 | ||||
| -rw-r--r-- | tools/perf/builtin-record.c | 2 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/init/Kconfig b/init/Kconfig index f51586406d62..9e03ef8b311e 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 3eeef339c787..a4be453fc8a9 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 a1b1d10912dc..e23bc74e734f 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 |