diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index fd6e1b906b3c..9541c27c1cf2 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -779,6 +779,11 @@ __acquires(kernel_lock) tracing_reset_online_cpus(tr); current_trace = type; + + /* If we expanded the buffers, make sure the max is expanded too */ + if (ring_buffer_expanded && type->use_max_tr) + ring_buffer_resize(max_tr.buffer, trace_buf_size); + /* the test is responsible for initializing and enabling */ pr_info("Testing tracer %s: ", type->name); ret = type->selftest(type, tr); @@ -791,6 +796,10 @@ __acquires(kernel_lock) /* Only reset on passing, to avoid touching corrupted buffers */ tracing_reset_online_cpus(tr); + /* Shrink the max buffer again */ + if (ring_buffer_expanded && type->use_max_tr) + ring_buffer_resize(max_tr.buffer, 1); + printk(KERN_CONT "PASSED\n"); } #endif |