diff options
Diffstat (limited to 'kernel/trace/trace_hw_branches.c')
-rw-r--r-- | kernel/trace/trace_hw_branches.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace_hw_branches.c b/kernel/trace/trace_hw_branches.c index 23b63859130e..69543a905cd5 100644 --- a/kernel/trace/trace_hw_branches.c +++ b/kernel/trace/trace_hw_branches.c | |||
@@ -165,6 +165,7 @@ void trace_hw_branch(u64 from, u64 to) | |||
165 | struct ftrace_event_call *call = &event_hw_branch; | 165 | struct ftrace_event_call *call = &event_hw_branch; |
166 | struct trace_array *tr = hw_branch_trace; | 166 | struct trace_array *tr = hw_branch_trace; |
167 | struct ring_buffer_event *event; | 167 | struct ring_buffer_event *event; |
168 | struct ring_buffer *buf; | ||
168 | struct hw_branch_entry *entry; | 169 | struct hw_branch_entry *entry; |
169 | unsigned long irq1; | 170 | unsigned long irq1; |
170 | int cpu; | 171 | int cpu; |
@@ -180,7 +181,8 @@ void trace_hw_branch(u64 from, u64 to) | |||
180 | if (atomic_inc_return(&tr->data[cpu]->disabled) != 1) | 181 | if (atomic_inc_return(&tr->data[cpu]->disabled) != 1) |
181 | goto out; | 182 | goto out; |
182 | 183 | ||
183 | event = trace_buffer_lock_reserve(tr, TRACE_HW_BRANCHES, | 184 | buf = tr->buffer; |
185 | event = trace_buffer_lock_reserve(buf, TRACE_HW_BRANCHES, | ||
184 | sizeof(*entry), 0, 0); | 186 | sizeof(*entry), 0, 0); |
185 | if (!event) | 187 | if (!event) |
186 | goto out; | 188 | goto out; |
@@ -189,8 +191,8 @@ void trace_hw_branch(u64 from, u64 to) | |||
189 | entry->ent.type = TRACE_HW_BRANCHES; | 191 | entry->ent.type = TRACE_HW_BRANCHES; |
190 | entry->from = from; | 192 | entry->from = from; |
191 | entry->to = to; | 193 | entry->to = to; |
192 | if (!filter_check_discard(call, entry, tr->buffer, event)) | 194 | if (!filter_check_discard(call, entry, buf, event)) |
193 | trace_buffer_unlock_commit(tr, event, 0, 0); | 195 | trace_buffer_unlock_commit(buf, event, 0, 0); |
194 | 196 | ||
195 | out: | 197 | out: |
196 | atomic_dec(&tr->data[cpu]->disabled); | 198 | atomic_dec(&tr->data[cpu]->disabled); |