diff options
Diffstat (limited to 'tools/perf')
| -rw-r--r-- | tools/perf/Documentation/perf-list.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-report.txt | 2 | ||||
| -rw-r--r-- | tools/perf/Documentation/perf-stat.txt | 4 |
3 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/Documentation/perf-list.txt b/tools/perf/Documentation/perf-list.txt index 667c14e56031..138fb6e94b3c 100644 --- a/tools/perf/Documentation/perf-list.txt +++ b/tools/perf/Documentation/perf-list.txt @@ -172,7 +172,7 @@ like cycles and instructions and some software events. Other PMUs and global measurements are normally root only. Some event qualifiers, such as "any", are also root only. -This can be overriden by setting the kernel.perf_event_paranoid +This can be overridden by setting the kernel.perf_event_paranoid sysctl to -1, which allows non root to use these events. For accessing trace point events perf needs to have read access to diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index ed2bf37ab132..1a27bfe05039 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -252,7 +252,7 @@ OPTIONS Usually more convenient to use --branch-history for this. value can be: - - percent: diplay overhead percent (default) + - percent: display overhead percent (default) - period: display event period - count: display event count diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index b10a90b6a718..4bc2085e5197 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -50,7 +50,7 @@ report:: /sys/bus/event_source/devices/<pmu>/format/* Note that the last two syntaxes support prefix and glob matching in - the PMU name to simplify creation of events accross multiple instances + the PMU name to simplify creation of events across multiple instances of the same type of PMU in large systems (e.g. memory controller PMUs). Multiple PMU instances are typical for uncore PMUs, so the prefix 'uncore_' is also ignored when performing this match. @@ -277,7 +277,7 @@ echo 0 > /proc/sys/kernel/nmi_watchdog for best results. Otherwise the bottlenecks may be inconsistent on workload with changing phases. -This enables --metric-only, unless overriden with --no-metric-only. +This enables --metric-only, unless overridden with --no-metric-only. To interpret the results it is usually needed to know on which CPUs the workload runs on. If needed the CPUs can be forced using |