tracing: Fix various typos in comments

[mirror_ubuntu-jammy-kernel.git] / kernel / trace / trace_hwlat.c

diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c
index c0df9b97f147d75688713682048b9a713875dcc7..632ef88131a9e5acb6495581508642531490c9eb 100644 (file)
--- a/kernel/trace/trace_hwlat.c
+++ b/kernel/trace/trace_hwlat.c
@@ -83,7 +83,7 @@ struct hwlat_sample {
        u64                     nmi_total_ts;   /* Total time spent in NMIs */
        struct timespec64       timestamp;      /* wall time */
        int                     nmi_count;      /* # NMIs during this sample */
-       int                     count;          /* # of iteratons over threash */
+       int                     count;          /* # of iterations over thresh */
 };
 
 /* keep the global state somewhere. */
@@ -108,14 +108,9 @@ static void trace_hwlat_sample(struct hwlat_sample *sample)
        struct trace_buffer *buffer = tr->array_buffer.buffer;
        struct ring_buffer_event *event;
        struct hwlat_entry *entry;
-       unsigned long flags;
-       int pc;
-
-       pc = preempt_count();
-       local_save_flags(flags);
 
        event = trace_buffer_lock_reserve(buffer, TRACE_HWLAT, sizeof(*entry),
-                                         flags, pc);
+                                         tracing_gen_ctx());
        if (!event)
                return;
        entry   = ring_buffer_event_data(event);
@@ -394,7 +389,7 @@ static int start_kthread(struct trace_array *tr)
 }
 
 /**
- * stop_kthread - Inform the hardware latency samping/detector kthread to stop
+ * stop_kthread - Inform the hardware latency sampling/detector kthread to stop
  *
  * This kicks the running hardware latency sampling/detector kernel thread and
  * tells it to stop sampling now. Use this on unload and at system shutdown.