diff options
| author | Ian Rogers <irogers@google.com> | 2021-11-10 16:21:07 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-13 18:11:50 -0300 |
| commit | fdf1e29b6118c18fbf2003321fcf474d4bb778ec (patch) | |
| tree | d3c5542b3d06ca9b7bc8b9420a0f2d31dd92c4ea /tools/perf/tests | |
| parent | 3613f6c1180b4af432ee607f8b43da381cd03fae (diff) | |
perf expr: Add metric literals for topology.
Allow the number of cpus, cores, dies and packages to be queried by a
metric expression.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul A . Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <song@kernel.org>
Cc: Wan Jiabing <wanjiabing@vivo.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20211111002109.194172-7-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
| -rw-r--r-- | tools/perf/tests/expr.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index 48c62d0789c5..ed95ebda49a7 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -66,7 +66,7 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u { struct expr_id_data *val_ptr; const char *p; - double val; + double val, num_cpus, num_cores, num_dies, num_packages; int ret; struct expr_parse_ctx *ctx; @@ -161,6 +161,16 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u NULL, ctx) == 0); TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + /* Test toplogy constants appear well ordered. */ + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("#num_cpus", expr__parse(&num_cpus, ctx, "#num_cpus") == 0); + TEST_ASSERT_VAL("#num_cores", expr__parse(&num_cores, ctx, "#num_cores") == 0); + TEST_ASSERT_VAL("#num_cpus >= #num_cores", num_cpus >= num_cores); + TEST_ASSERT_VAL("#num_dies", expr__parse(&num_dies, ctx, "#num_dies") == 0); + TEST_ASSERT_VAL("#num_cores >= #num_dies", num_cores >= num_dies); + TEST_ASSERT_VAL("#num_packages", expr__parse(&num_packages, ctx, "#num_packages") == 0); + TEST_ASSERT_VAL("#num_dies >= #num_packages", num_dies >= num_packages); + expr__ctx_free(ctx); return 0; |