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perf, tools: Use correct articles in comments 

Some of the comments in the perf events code use articles incorrectly,
using 'a' for words beginning with a vowel sound, where 'an' should be
used.

Signed-off-by: Tobias Tefke <tobias.tefke@tutanota.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: acme@kernel.org
Cc: alexander.shishkin@linux.intel.com
Cc: jolsa@redhat.com
Cc: namhyung@kernel.org
Link: http://lkml.kernel.org/r/20180709105715.22938-1-tobias.tefke@tutanota.com
[ Fix a few more perf related 'a event' typo fixes from all around the kernel and tooling tree. ]
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Tobias Tefke 2018-07-09 12:57:15 +02:00 committed by Ingo Molnar
parent 26c6ccdf5c
commit 788faab70d
6 changed files with 18 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/powerpc/perf/core-book3s.c
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@ -1469,7 +1469,7 @@ static int collect_events(struct perf_event *group, int max_count,
} }
/* /*
* Add a event to the PMU. * Add an event to the PMU.
* If all events are not already frozen, then we disable and * If all events are not already frozen, then we disable and
* re-enable the PMU in order to get hw_perf_enable to do the * re-enable the PMU in order to get hw_perf_enable to do the
* actual work of reconfiguring the PMU. * actual work of reconfiguring the PMU.
@ -1548,7 +1548,7 @@ nocheck:
} }
/* /*
* Remove a event from the PMU. * Remove an event from the PMU.
*/ */
static void power_pmu_del(struct perf_event *event, int ef_flags) static void power_pmu_del(struct perf_event *event, int ef_flags)
{ {
@ -1742,7 +1742,7 @@ static int power_pmu_commit_txn(struct pmu *pmu)
/* /*
* Return 1 if we might be able to put event on a limited PMC, * Return 1 if we might be able to put event on a limited PMC,
* or 0 if not. * or 0 if not.
* A event can only go on a limited PMC if it counts something * An event can only go on a limited PMC if it counts something
* that a limited PMC can count, doesn't require interrupts, and * that a limited PMC can count, doesn't require interrupts, and
* doesn't exclude any processor mode. * doesn't exclude any processor mode.
*/ */

2
include/linux/perf_event.h
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@ -490,7 +490,7 @@ struct perf_addr_filters_head {
}; };
/** /**
* enum perf_event_state - the states of a event * enum perf_event_state - the states of an event:
*/ */
enum perf_event_state { enum perf_event_state {
PERF_EVENT_STATE_DEAD = -4, PERF_EVENT_STATE_DEAD = -4,

16
kernel/events/core.c
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@ -1656,7 +1656,7 @@ perf_event_groups_next(struct perf_event *event)
typeof(*event), group_node)) typeof(*event), group_node))
/* /*
* Add a event from the lists for its context. * Add an event from the lists for its context.
* Must be called with ctx->mutex and ctx->lock held. * Must be called with ctx->mutex and ctx->lock held.
*/ */
static void static void
@ -1844,7 +1844,7 @@ static void perf_group_attach(struct perf_event *event)
} }
/* /*
* Remove a event from the lists for its context. * Remove an event from the lists for its context.
* Must be called with ctx->mutex and ctx->lock held. * Must be called with ctx->mutex and ctx->lock held.
*/ */
static void static void
@ -2148,7 +2148,7 @@ static void __perf_event_disable(struct perf_event *event,
} }
/* /*
* Disable a event. * Disable an event.
* *
* If event->ctx is a cloned context, callers must make sure that * If event->ctx is a cloned context, callers must make sure that
* every task struct that event->ctx->task could possibly point to * every task struct that event->ctx->task could possibly point to
@ -2677,7 +2677,7 @@ static void __perf_event_enable(struct perf_event *event,
} }
/* /*
* Enable a event. * Enable an event.
* *
* If event->ctx is a cloned context, callers must make sure that * If event->ctx is a cloned context, callers must make sure that
* every task struct that event->ctx->task could possibly point to * every task struct that event->ctx->task could possibly point to
@ -2755,7 +2755,7 @@ static int __perf_event_stop(void *info)
* events will refuse to restart because of rb::aux_mmap_count==0, * events will refuse to restart because of rb::aux_mmap_count==0,
* see comments in perf_aux_output_begin(). * see comments in perf_aux_output_begin().
* *
* Since this is happening on a event-local CPU, no trace is lost * Since this is happening on an event-local CPU, no trace is lost
* while restarting. * while restarting.
*/ */
if (sd->restart) if (sd->restart)
@ -4827,7 +4827,7 @@ __perf_read(struct perf_event *event, char __user *buf, size_t count)
int ret; int ret;
/* /*
* Return end-of-file for a read on a event that is in * Return end-of-file for a read on an event that is in
* error state (i.e. because it was pinned but it couldn't be * error state (i.e. because it was pinned but it couldn't be
* scheduled on to the CPU at some point). * scheduled on to the CPU at some point).
*/ */
@ -9898,7 +9898,7 @@ enabled:
} }
/* /*
* Allocate and initialize a event structure * Allocate and initialize an event structure
*/ */
static struct perf_event * static struct perf_event *
perf_event_alloc(struct perf_event_attr *attr, int cpu, perf_event_alloc(struct perf_event_attr *attr, int cpu,
@ -11229,7 +11229,7 @@ const struct perf_event_attr *perf_event_attrs(struct perf_event *event)
} }
/* /*
* Inherit a event from parent task to child task. * Inherit an event from parent task to child task.
* *
* Returns: * Returns:
* - valid pointer on success * - valid pointer on success

6
kernel/events/uprobes.c
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@ -918,7 +918,7 @@ int uprobe_register(struct inode *inode, loff_t offset, struct uprobe_consumer *
EXPORT_SYMBOL_GPL(uprobe_register); EXPORT_SYMBOL_GPL(uprobe_register);
/* /*
* uprobe_apply - unregister a already registered probe. * uprobe_apply - unregister an already registered probe.
* @inode: the file in which the probe has to be removed. * @inode: the file in which the probe has to be removed.
* @offset: offset from the start of the file. * @offset: offset from the start of the file.
* @uc: consumer which wants to add more or remove some breakpoints * @uc: consumer which wants to add more or remove some breakpoints
@ -947,7 +947,7 @@ int uprobe_apply(struct inode *inode, loff_t offset,
} }
/* /*
* uprobe_unregister - unregister a already registered probe. * uprobe_unregister - unregister an already registered probe.
* @inode: the file in which the probe has to be removed. * @inode: the file in which the probe has to be removed.
* @offset: offset from the start of the file. * @offset: offset from the start of the file.
* @uc: identify which probe if multiple probes are colocated. * @uc: identify which probe if multiple probes are colocated.
@ -1403,7 +1403,7 @@ static struct return_instance *free_ret_instance(struct return_instance *ri)
/* /*
* Called with no locks held. * Called with no locks held.
* Called in context of a exiting or a exec-ing thread. * Called in context of an exiting or an exec-ing thread.
*/ */
void uprobe_free_utask(struct task_struct *t) void uprobe_free_utask(struct task_struct *t)
{ {

2
tools/perf/Documentation/perf-list.txt
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@ -234,7 +234,7 @@ perf also supports group leader sampling using the :S specifier.
perf record -e '{cycles,instructions}:S' ... perf record -e '{cycles,instructions}:S' ...
perf report --group perf report --group
Normally all events in a event group sample, but with :S only Normally all events in an event group sample, but with :S only
the first event (the leader) samples, and it only reads the values of the the first event (the leader) samples, and it only reads the values of the
other events in the group. other events in the group.

4
tools/perf/Documentation/perf-record.txt
View File

@ -94,7 +94,7 @@ OPTIONS
"perf report" to view group events together. "perf report" to view group events together.
--filter=<filter>:: --filter=<filter>::
Event filter. This option should follow a event selector (-e) which Event filter. This option should follow an event selector (-e) which
selects either tracepoint event(s) or a hardware trace PMU selects either tracepoint event(s) or a hardware trace PMU
(e.g. Intel PT or CoreSight). (e.g. Intel PT or CoreSight).
@ -153,7 +153,7 @@ OPTIONS
--exclude-perf:: --exclude-perf::
Don't record events issued by perf itself. This option should follow Don't record events issued by perf itself. This option should follow
a event selector (-e) which selects tracepoint event(s). It adds a an event selector (-e) which selects tracepoint event(s). It adds a
filter expression 'common_pid != $PERFPID' to filters. If other filter expression 'common_pid != $PERFPID' to filters. If other
'--filter' exists, the new filter expression will be combined with '--filter' exists, the new filter expression will be combined with
them by '&&'. them by '&&'.