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| author | Jiri Olsa <jolsa@kernel.org> | 2014-05-10 17:22:30 +0200 |
|---|---|---|
| committer | Jiri Olsa <jolsa@kernel.org> | 2014-06-12 16:53:22 +0200 |
| commit | 0d8a5faaf5a1087c7212a6f0d81920a93396414a (patch) | |
| tree | 63f760578fbdd470df1820c45773ddd3658db6a9 /tools | |
| parent | c1f9aa0a61bde512a68060883d1c3c1955a546ea (diff) | |
| download | linux-0d8a5faaf5a1087c7212a6f0d81920a93396414a.tar.bz2 | |
perf tests: Spawn child for each test
In upcoming tests we will setup process limits, which
might affect other tests. Spawning child for each test
to prevent this.
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jean Pihet <jean.pihet@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: David Ahern <dsahern@gmail.com>
Link: http://lkml.kernel.org/r/1401892622-30848-11-git-send-email-jolsa@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 802e3cd50f6f..9677a5c6a366 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -3,6 +3,8 @@ * * Builtin regression testing command: ever growing number of sanity tests */ +#include <unistd.h> +#include <string.h> #include "builtin.h" #include "intlist.h" #include "tests.h" @@ -172,6 +174,34 @@ static bool perf_test__matches(int curr, int argc, const char *argv[]) return false; } +static int run_test(struct test *test) +{ + int status, err = -1, child = fork(); + + if (child < 0) { + pr_err("failed to fork test: %s\n", strerror(errno)); + return -1; + } + + if (!child) { + pr_debug("test child forked, pid %d\n", getpid()); + err = test->func(); + exit(err); + } + + wait(&status); + + if (WIFEXITED(status)) { + err = WEXITSTATUS(status); + pr_debug("test child finished with %d\n", err); + } else if (WIFSIGNALED(status)) { + err = -1; + pr_debug("test child interrupted\n"); + } + + return err; +} + static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) { int i = 0; @@ -200,7 +230,7 @@ static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) } pr_debug("\n--- start ---\n"); - err = tests[curr].func(); + err = run_test(&tests[curr]); pr_debug("---- end ----\n%s:", tests[curr].desc); switch (err) { |