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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-14 14:48:07 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-04-14 14:48:07 -0300 |
| commit | 91d7b2de318ff701451dfc7ede1c029b150ef0e9 (patch) | |
| tree | 98440b6dfabaf5dc1490bd64f6d5993eea9bf3eb /tools/perf/util/scripting-engines | |
| parent | bbf86c43eace367e805199f94ad8b5a45636f805 (diff) | |
| download | linux-stable-91d7b2de318ff701451dfc7ede1c029b150ef0e9.tar.gz linux-stable-91d7b2de318ff701451dfc7ede1c029b150ef0e9.tar.bz2 linux-stable-91d7b2de318ff701451dfc7ede1c029b150ef0e9.zip | |
perf callchain: Start moving away from global per thread cursors
The recent perf_evsel__fprintf_callchain() move to evsel.c added several
new symbol requirements to the python binding, for instance:
# perf test -v python
16: Try 'import perf' in python, checking link problems :
--- start ---
test child forked, pid 18030
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ImportError: /tmp/build/perf/python/perf.so: undefined symbol:
callchain_cursor
test child finished with -1
---- end ----
Try 'import perf' in python, checking link problems: FAILED!
#
This would require linking against callchain.c to access to the global
callchain_cursor variables.
Since lots of functions already receive as a parameter a
callchain_cursor struct pointer, make that be the case for some more
function so that we can start phasing out usage of yet another global
variable.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-djko3097eyg2rn66v2qcqfvn@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/scripting-engines')
| -rw-r--r-- | tools/perf/util/scripting-engines/trace-event-perl.c | 2 | ||||
| -rw-r--r-- | tools/perf/util/scripting-engines/trace-event-python.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/scripting-engines/trace-event-perl.c b/tools/perf/util/scripting-engines/trace-event-perl.c index 35ed00a600fb..ae1cebc307c5 100644 --- a/tools/perf/util/scripting-engines/trace-event-perl.c +++ b/tools/perf/util/scripting-engines/trace-event-perl.c @@ -263,7 +263,7 @@ static SV *perl_process_callchain(struct perf_sample *sample, if (!symbol_conf.use_callchain || !sample->callchain) goto exit; - if (thread__resolve_callchain(al->thread, evsel, + if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, sample, NULL, NULL, PERF_MAX_STACK_DEPTH) != 0) { pr_err("Failed to resolve callchain. Skipping\n"); diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index fbd05242b4e5..525eb49e7ba6 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -323,7 +323,7 @@ static PyObject *python_process_callchain(struct perf_sample *sample, if (!symbol_conf.use_callchain || !sample->callchain) goto exit; - if (thread__resolve_callchain(al->thread, evsel, + if (thread__resolve_callchain(al->thread, &callchain_cursor, evsel, sample, NULL, NULL, scripting_max_stack) != 0) { pr_err("Failed to resolve callchain. Skipping\n"); |