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libperf: Add debug output support

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Add the perf_set_print() function to allow setting an output function
for warn/info/debug messages.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-28-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2019-07-21 13:24:14 +02:00
committed by Arnaldo Carvalho de Melo
parent 5b7f445d68
commit a1556f8479
4 changed files with 67 additions and 0 deletions
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2
tools/perf/lib/libperf.map
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@@ -1,4 +1,6 @@
LIBPERF_0.0.1 {
global:
libperf_set_print;
local:
*;
};