diff options
Diffstat (limited to 'drivers/oprofile/cpu_buffer.c')
-rw-r--r-- | drivers/oprofile/cpu_buffer.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index a83c3db7d18f..c93d3d2640ab 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c | |||
@@ -64,6 +64,8 @@ int alloc_cpu_buffers(void) | |||
64 | b->head_pos = 0; | 64 | b->head_pos = 0; |
65 | b->sample_received = 0; | 65 | b->sample_received = 0; |
66 | b->sample_lost_overflow = 0; | 66 | b->sample_lost_overflow = 0; |
67 | b->backtrace_aborted = 0; | ||
68 | b->sample_invalid_eip = 0; | ||
67 | b->cpu = i; | 69 | b->cpu = i; |
68 | INIT_DELAYED_WORK(&b->work, wq_sync_buffer); | 70 | INIT_DELAYED_WORK(&b->work, wq_sync_buffer); |
69 | } | 71 | } |
@@ -175,6 +177,11 @@ static int log_sample(struct oprofile_cpu_buffer * cpu_buf, unsigned long pc, | |||
175 | 177 | ||
176 | cpu_buf->sample_received++; | 178 | cpu_buf->sample_received++; |
177 | 179 | ||
180 | if (pc == ESCAPE_CODE) { | ||
181 | cpu_buf->sample_invalid_eip++; | ||
182 | return 0; | ||
183 | } | ||
184 | |||
178 | if (nr_available_slots(cpu_buf) < 3) { | 185 | if (nr_available_slots(cpu_buf) < 3) { |
179 | cpu_buf->sample_lost_overflow++; | 186 | cpu_buf->sample_lost_overflow++; |
180 | return 0; | 187 | return 0; |