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| author | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-11-29 21:38:42 -0500 |
|---|---|---|
| committer | Steven Rostedt (VMware) <rostedt@goodmis.org> | 2018-12-08 20:54:08 -0500 |
| commit | 03329f9939781041424edd29487b9603a704fcd9 (patch) | |
| tree | 4c6966726e5760072c97bedd0c16493bcf29109b /kernel/trace/trace.h | |
| parent | ring-buffer: Add percentage of ring buffer full to wake up reader (diff) | |
| download | linux-03329f9939781041424edd29487b9603a704fcd9.tar.gz linux-03329f9939781041424edd29487b9603a704fcd9.zip | |
tracing: Add tracefs file buffer_percentage
Add a "buffer_percentage" file, that allows users to specify how much of the
buffer (percentage of pages) need to be filled before waking up a task
blocked on a per cpu trace_pipe_raw file.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index ab16eca76e59..08900828d282 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -247,6 +247,7 @@ struct trace_array { int clock_id; int nr_topts; bool clear_trace; + int buffer_percent; struct tracer *current_trace; unsigned int trace_flags; unsigned char trace_flags_index[TRACE_FLAGS_MAX_SIZE]; |