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author | Geneviève Bastien <gbastien@versatic.net> | 2017-07-27 20:12:05 +0200 |
---|---|---|
committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-07-28 21:30:45 +0200 |
commit | 6b7007af728df7258bb60ed73099be3b59b3030e (patch) | |
tree | 9964172cfa9d330eb8b78d8b54f5e717c44f81ef /tools/perf/builtin-data.c | |
parent | perf data: Add mmap[2] events to CTF conversion (diff) | |
download | linux-6b7007af728df7258bb60ed73099be3b59b3030e.tar.xz linux-6b7007af728df7258bb60ed73099be3b59b3030e.zip |
perf data: Add doc when no conversion support compiled
This adds documentation on the environment variables needed to the
message telling that no conversion support is compiled in.
Committer testing:
$ make -C tools/perf install
$ perf data convert --all --to-ctf myctftrace
No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/
$
Signed-off-by: Geneviève Bastien <gbastien@versatic.net>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Francis Deslauriers <francis.deslauriers@efficios.com>
Cc: Julien Desfossez <jdesfossez@efficios.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20170727181205.24843-3-gbastien@versatic.net
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-data.c')
-rw-r--r-- | tools/perf/builtin-data.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-data.c b/tools/perf/builtin-data.c index 0adb5f82335a..46cd8490baf4 100644 --- a/tools/perf/builtin-data.c +++ b/tools/perf/builtin-data.c @@ -69,7 +69,7 @@ static int cmd_data_convert(int argc, const char **argv) }; #ifndef HAVE_LIBBABELTRACE_SUPPORT - pr_err("No conversion support compiled in.\n"); + pr_err("No conversion support compiled in. perf should be compiled with environment variables LIBBABELTRACE=1 and LIBBABELTRACE_DIR=/path/to/libbabeltrace/\n"); return -1; #endif |