From: Jiri Olsa <jolsa@redhat.com>
To: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Ingo Molnar <mingo@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Michael Petlan <mpetlan@redhat.com>,
Andi Kleen <ak@linux.intel.com>, Kajol Jain <kjain@linux.ibm.com>,
John Garry <john.garry@huawei.com>,
"Paul A. Clarke" <pc@us.ibm.com>,
Stephane Eranian <eranian@google.com>
Subject: Re: [PATCH 10/10] perf tests: Add cache_miss_cycles to metric parse test
Date: Mon, 29 Jun 2020 00:00:59 +0200 [thread overview]
Message-ID: <20200628220059.GP2988321@krava> (raw)
In-Reply-To: <CAP-5=fXk6ZqWdXqVGtiKemn254wTOKW3m4UuwF1Qum+mZQhYPg@mail.gmail.com>
On Fri, Jun 26, 2020 at 02:40:34PM -0700, Ian Rogers wrote:
> On Fri, Jun 26, 2020 at 12:48 PM Jiri Olsa <jolsa@kernel.org> wrote:
> >
> > Adding test that compute metric with other metrics in it.
> >
> > cache_miss_cycles = metric:dcache_miss_cpi + metric:icache_miss_cycles
> >
>
> This is really nice! Do we need to do anything in tests/pmu-events.c?
> Presumably if a metric is referencing another metric the call to
> expr__parse there will test the other metric is parseable. Just wanted
> to sanity check.
right, I did not realize that, but that test is passing for me,
so I guess it's fine.. I'll double check
thanks,
jirka
>
> Acked-by: Ian Rogers <irogers@google.com>
>
> > Signed-off-by: Jiri Olsa <jolsa@kernel.org>
> > ---
> > tools/perf/tests/parse-metric.c | 33 +++++++++++++++++++++++++++++++++
> > 1 file changed, 33 insertions(+)
> >
> > diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c
> > index 8c48251425e1..feb97f7c90c8 100644
> > --- a/tools/perf/tests/parse-metric.c
> > +++ b/tools/perf/tests/parse-metric.c
> > @@ -11,6 +11,8 @@
> > #include "debug.h"
> > #include "expr.h"
> > #include "stat.h"
> > +#include <perf/cpumap.h>
> > +#include <perf/evlist.h>
> >
> > static struct pmu_event pme_test[] = {
> > {
> > @@ -22,6 +24,18 @@ static struct pmu_event pme_test[] = {
> > "( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
> > .metric_name = "Frontend_Bound_SMT",
> > },
> > +{
> > + .metric_expr = "l1d\\-loads\\-misses / inst_retired.any",
> > + .metric_name = "dcache_miss_cpi",
> > +},
> > +{
> > + .metric_expr = "l1i\\-loads\\-misses / inst_retired.any",
> > + .metric_name = "icache_miss_cycles",
> > +},
> > +{
> > + .metric_expr = "(metric:dcache_miss_cpi + metric:icache_miss_cycles)",
> > + .metric_name = "cache_miss_cycles",
> > +},
> > };
> >
> > static struct pmu_events_map map = {
> > @@ -162,9 +176,28 @@ static int test_frontend(void)
> > return 0;
> > }
> >
> > +static int test_cache_miss_cycles(void)
> > +{
> > + double ratio;
> > + struct value vals[] = {
> > + { .event = "l1d-loads-misses", .val = 300 },
> > + { .event = "l1i-loads-misses", .val = 200 },
> > + { .event = "inst_retired.any", .val = 400 },
> > + { 0 },
> > + };
> > +
> > + TEST_ASSERT_VAL("failed to compute metric",
> > + compute_metric("cache_miss_cycles", vals, &ratio) == 0);
> > +
> > + TEST_ASSERT_VAL("cache_miss_cycles failed, wrong ratio",
> > + ratio == 1.25);
> > + return 0;
> > +}
> > +
> > int test__parse_metric(struct test *test __maybe_unused, int subtest __maybe_unused)
> > {
> > TEST_ASSERT_VAL("IPC failed", test_ipc() == 0);
> > TEST_ASSERT_VAL("frontend failed", test_frontend() == 0);
> > + TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 0);
> > return 0;
> > }
> > --
> > 2.25.4
> >
>
next prev parent reply other threads:[~2020-06-28 22:01 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-26 19:47 [RFC 00/10] perf tools: Add support to reuse metric Jiri Olsa
2020-06-26 19:47 ` [PATCH 01/10] perf tools: Rename expr__add_id to expr__add_val Jiri Olsa
2020-06-26 20:01 ` Ian Rogers
2020-06-28 21:49 ` Jiri Olsa
2020-06-29 15:48 ` Ian Rogers
2020-06-26 19:47 ` [PATCH 02/10] perf tools: Add struct expr_parse_data to keep expr value Jiri Olsa
2020-06-26 20:04 ` Ian Rogers
2020-06-28 21:24 ` Jiri Olsa
2020-06-29 15:49 ` Ian Rogers
2020-06-26 19:47 ` [PATCH 03/10] perf tools: Add expr__add_id function Jiri Olsa
2020-06-26 20:07 ` Ian Rogers
2020-06-28 21:38 ` Jiri Olsa
2020-06-26 19:47 ` [PATCH 04/10] perf tools: Change expr__get_id to return struct expr_parse_data Jiri Olsa
2020-06-26 20:25 ` Ian Rogers
2020-06-26 19:47 ` [PATCH 05/10] perf tools: Add expr__del_id function Jiri Olsa
2020-06-26 20:55 ` Ian Rogers
2020-06-28 21:52 ` Jiri Olsa
2020-06-26 19:47 ` [PATCH 06/10] perf tools: Collect other metrics in struct egroup Jiri Olsa
2020-06-26 21:06 ` Ian Rogers
2020-06-28 22:04 ` Jiri Olsa
2020-06-26 21:48 ` Ian Rogers
2020-06-28 22:06 ` Jiri Olsa
2020-06-29 15:54 ` Ian Rogers
2020-06-26 19:47 ` [PATCH 07/10] perf tools: Collect other metrics in struct metric_expr Jiri Olsa
2020-06-26 21:10 ` Ian Rogers
2020-06-28 21:55 ` Jiri Olsa
2020-06-29 15:55 ` Ian Rogers
2020-06-26 19:47 ` [PATCH 08/10] perf tools: Add other metrics to hash data Jiri Olsa
2020-06-26 21:16 ` Ian Rogers
2020-06-28 21:56 ` Jiri Olsa
2020-06-26 19:47 ` [PATCH 09/10] perf tools: Compute other metrics Jiri Olsa
2020-06-26 21:24 ` Ian Rogers
2020-06-28 21:59 ` Jiri Olsa
2020-06-29 16:35 ` Ian Rogers
2020-06-29 19:23 ` Jiri Olsa
2020-06-26 19:47 ` [PATCH 10/10] perf tests: Add cache_miss_cycles to metric parse test Jiri Olsa
2020-06-26 21:40 ` Ian Rogers
2020-06-28 22:00 ` Jiri Olsa [this message]
2020-06-26 21:25 ` [RFC 00/10] perf tools: Add support to reuse metric Andi Kleen
2020-06-26 21:44 ` Ian Rogers
2020-06-26 21:57 ` Andi Kleen
2020-06-27 12:48 ` Arnaldo Carvalho de Melo
2020-06-27 23:25 ` Ian Rogers
2020-06-28 22:17 ` Jiri Olsa
2020-06-29 12:02 ` Michael Petlan
2020-06-27 12:46 ` Arnaldo Carvalho de Melo
2020-06-27 8:13 ` John Garry
2020-06-29 21:33 ` Andi Kleen
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