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Subject[tip:perf/core] perf tests: Check python path on attr and binding test
Commit-ID:  000ae33fdb5ff7bc7ae985b43e6278024a4985c2
Gitweb: http://git.kernel.org/tip/000ae33fdb5ff7bc7ae985b43e6278024a4985c2
Author: Namhyung Kim <namhyung.kim@lge.com>
AuthorDate: Mon, 17 Dec 2012 16:25:01 +0900
Committer: Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Thu, 24 Jan 2013 16:40:10 -0300

perf tests: Check python path on attr and binding test

Current perf test code tries to execute python version 2 in order to
test attributes on perf_event_open syscall. However it's not default
python version anymore a system can have python v3 only or v2 with a
different name (e.g. python2). So if there's no such python interpreter
with the name 'python', the test would fail like this (yes, it's
happened on my new archlinux laptop :).

13: struct perf_event_attr setup :sh: python: command not found
FAILED!

As we can pass name of the python interpreter on make, use it for
the attr test also.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1355729101-31317-1-git-send-email-namhyung@kernel.org
[ committer note: Added the same mechanism to the python binding test ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/Makefile | 7 +++++--
tools/perf/tests/attr.c | 2 +-
tools/perf/tests/python-use.c | 4 ++--
3 files changed, 8 insertions(+), 5 deletions(-)

diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index d0d7957..3158f45 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -953,11 +953,14 @@ $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS

$(OUTPUT)tests/attr.o: tests/attr.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
- '-DBINDIR="$(bindir_SQ)"' \
+ '-DBINDIR="$(bindir_SQ)"' -DPYTHON='"$(PYTHON_WORD)"' \
$<

$(OUTPUT)tests/python-use.o: tests/python-use.c $(OUTPUT)PERF-CFLAGS
- $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DPYTHONPATH='"$(OUTPUT)/python"' $<
+ $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \
+ -DPYTHONPATH='"$(OUTPUT)/python"' \
+ -DPYTHON='"$(PYTHON_WORD)"' \
+ $<

$(OUTPUT)util/config.o: util/config.c $(OUTPUT)PERF-CFLAGS
$(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $<
diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c
index 05b5acb..f61dd3f 100644
--- a/tools/perf/tests/attr.c
+++ b/tools/perf/tests/attr.c
@@ -144,7 +144,7 @@ static int run_dir(const char *d, const char *perf)
{
char cmd[3*PATH_MAX];

- snprintf(cmd, 3*PATH_MAX, "python %s/attr.py -d %s/attr/ -p %s %s",
+ snprintf(cmd, 3*PATH_MAX, PYTHON " %s/attr.py -d %s/attr/ -p %s %s",
d, d, perf, verbose ? "-v" : "");

return system(cmd);
diff --git a/tools/perf/tests/python-use.c b/tools/perf/tests/python-use.c
index 15301f4..7760277 100644
--- a/tools/perf/tests/python-use.c
+++ b/tools/perf/tests/python-use.c
@@ -13,8 +13,8 @@ int test__python_use(void)
char *cmd;
int ret;

- if (asprintf(&cmd, "echo \"import sys ; sys.path.append('%s'); import perf\" | python %s",
- PYTHONPATH, verbose ? "" : "2> /dev/null") < 0)
+ if (asprintf(&cmd, "echo \"import sys ; sys.path.append('%s'); import perf\" | %s %s",
+ PYTHONPATH, PYTHON, verbose ? "" : "2> /dev/null") < 0)
return -1;

ret = system(cmd) ? -1 : 0;

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