perf util: Add more debug message on failure path

It's helpful for debugging on tracing features.

Signed-off-by: Namhyung Kim <[email protected]>
Tested-by: Masami Hiramatsu <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Jeremy Eder <[email protected]>
Cc: Jiri Olsa <[email protected]>,
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Steven Rostedt <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

0 files changed, 0 insertions, 0 deletions