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| author | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2014-08-19 11:57:23 -0700 |
| commit | 5b49ab3e03f68eb49db4bce6290e5707b7f6c6f3 (patch) | |
| tree | 090c7c069bc6c0f2b368ed8d0af861c275525411 /tools/perf/bench/mem-memset.c | |
| parent | b25046b1e5e3f1423434da77ccc859f2f779d1ce (diff) | |
| parent | 54ea17a597b00e46b3720e75dd7595cd5dfa5670 (diff) | |
Merge l2-mtd/next into l2-mtd/master
Diffstat (limited to 'tools/perf/bench/mem-memset.c')
| -rw-r--r-- | tools/perf/bench/mem-memset.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c index 9af79d2b18e5..75fc3e65fb2a 100644 --- a/tools/perf/bench/mem-memset.c +++ b/tools/perf/bench/mem-memset.c @@ -10,6 +10,7 @@ #include "../util/util.h" #include "../util/parse-options.h" #include "../util/header.h" +#include "../util/cloexec.h" #include "bench.h" #include "mem-memset-arch.h" @@ -83,7 +84,8 @@ static struct perf_event_attr cycle_attr = { static void init_cycle(void) { - cycle_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, 0); + cycle_fd = sys_perf_event_open(&cycle_attr, getpid(), -1, -1, + perf_event_open_cloexec_flag()); if (cycle_fd < 0 && errno == ENOSYS) die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); @@ -181,6 +183,11 @@ int bench_mem_memset(int argc, const char **argv, argc = parse_options(argc, argv, options, bench_mem_memset_usage, 0); + if (no_prefault && only_prefault) { + fprintf(stderr, "Invalid options: -o and -n are mutually exclusive\n"); + return 1; + } + if (use_cycle) init_cycle(); |