diff options
| author | Steven Rostedt (Red Hat) <rostedt@goodmis.org> | 2019-04-01 19:43:09 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-04-01 21:18:09 +0300 |
| commit | 70df6a7311186a7ab0b19f481dee4ca540a73837 (patch) | |
| tree | 4b56b9f85d47d16ece31e434c92f1402800b4868 /tools/lib/traceevent/kbuffer.h | |
| parent | 6699ed712a97f70267e017f509126b890f6f6b28 (diff) | |
| download | linux-70df6a7311186a7ab0b19f481dee4ca540a73837.tar.xz | |
tools lib traceevent: Add more debugging to see various internal ring buffer entries
When trace-cmd report --debug is set, show the internal ring buffer
entries like time-extends and padding. This requires adding new kbuffer
API to retrieve these items.
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Tzvetomir Stoyanov <tstoyanov@vmware.com>
Link: http://lkml.kernel.org/r/20190401164343.257591565@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/traceevent/kbuffer.h')
| -rw-r--r-- | tools/lib/traceevent/kbuffer.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tools/lib/traceevent/kbuffer.h b/tools/lib/traceevent/kbuffer.h index 03dce757553f..ed4d697fc137 100644 --- a/tools/lib/traceevent/kbuffer.h +++ b/tools/lib/traceevent/kbuffer.h @@ -65,4 +65,17 @@ int kbuffer_subbuffer_size(struct kbuffer *kbuf); void kbuffer_set_old_format(struct kbuffer *kbuf); int kbuffer_start_of_data(struct kbuffer *kbuf); +/* Debugging */ + +struct kbuffer_raw_info { + int type; + int length; + unsigned long long delta; + void *next; +}; + +/* Read raw data */ +struct kbuffer_raw_info *kbuffer_raw_get(struct kbuffer *kbuf, void *subbuf, + struct kbuffer_raw_info *info); + #endif /* _K_BUFFER_H */ |