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Diffstat (limited to 'arch/x86/events/intel/bts.c')
-rw-r--r--arch/x86/events/intel/bts.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/x86/events/intel/bts.c b/arch/x86/events/intel/bts.c
index 982c9e31daca..8ae8c5ce3a1f 100644
--- a/arch/x86/events/intel/bts.c
+++ b/arch/x86/events/intel/bts.c
@@ -63,7 +63,6 @@ struct bts_buffer {
unsigned int cur_buf;
bool snapshot;
local_t data_size;
- local_t lost;
local_t head;
unsigned long end;
void **data_pages;
@@ -199,7 +198,8 @@ static void bts_update(struct bts_ctx *bts)
return;
if (ds->bts_index >= ds->bts_absolute_maximum)
- local_inc(&buf->lost);
+ perf_aux_output_flag(&bts->handle,
+ PERF_AUX_FLAG_TRUNCATED);
/*
* old and head are always in the same physical buffer, so we
@@ -276,7 +276,7 @@ static void bts_event_start(struct perf_event *event, int flags)
return;
fail_end_stop:
- perf_aux_output_end(&bts->handle, 0, false);
+ perf_aux_output_end(&bts->handle, 0);
fail_stop:
event->hw.state = PERF_HES_STOPPED;
@@ -319,9 +319,8 @@ static void bts_event_stop(struct perf_event *event, int flags)
bts->handle.head =
local_xchg(&buf->data_size,
buf->nr_pages << PAGE_SHIFT);
-
- perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0),
- !!local_xchg(&buf->lost, 0));
+ perf_aux_output_end(&bts->handle,
+ local_xchg(&buf->data_size, 0));
}
cpuc->ds->bts_index = bts->ds_back.bts_buffer_base;
@@ -484,8 +483,7 @@ int intel_bts_interrupt(void)
if (old_head == local_read(&buf->head))
return handled;
- perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0),
- !!local_xchg(&buf->lost, 0));
+ perf_aux_output_end(&bts->handle, local_xchg(&buf->data_size, 0));
buf = perf_aux_output_begin(&bts->handle, event);
if (buf)
@@ -500,7 +498,7 @@ int intel_bts_interrupt(void)
* cleared handle::event
*/
barrier();
- perf_aux_output_end(&bts->handle, 0, false);
+ perf_aux_output_end(&bts->handle, 0);
}
}