From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Song Liu <songliubraving@fb.com>,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
bpf@vger.kernel.org
Subject: Re: [PATCH v2 2/3] perf test: Add verbose skip output for bpf counters
Date: Tue, 22 Jun 2021 15:05:21 -0300 [thread overview]
Message-ID: <YNImYYYbIuc5V98C@kernel.org> (raw)
In-Reply-To: <20210621215648.2991319-2-irogers@google.com>
Em Mon, Jun 21, 2021 at 02:56:47PM -0700, Ian Rogers escreveu:
> Provide additional context for when the stat bpf counters test skips.
Ditto
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/tests/shell/stat_bpf_counters.sh | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh
> index 22eb31e48ca7..85eb689fe202 100755
> --- a/tools/perf/tests/shell/stat_bpf_counters.sh
> +++ b/tools/perf/tests/shell/stat_bpf_counters.sh
> @@ -22,7 +22,13 @@ compare_number()
> }
>
> # skip if --bpf-counters is not supported
> -perf stat --bpf-counters true > /dev/null 2>&1 || exit 2
> +if ! perf stat --bpf-counters true > /dev/null 2>&1; then
> + if [ "$1" == "-v" ]; then
> + echo "Skipping: --bpf-counters not supported"
> + perf --no-pager stat --bpf-counters true || true
> + fi
> + exit 2
> +fi
>
> base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
> bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}')
> --
> 2.32.0.288.g62a8d224e6-goog
>
--
- Arnaldo
next prev parent reply other threads:[~2021-06-22 18:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-21 21:56 [PATCH v2 1/3] perf test: Pass the verbose option to shell tests Ian Rogers
2021-06-21 21:56 ` [PATCH v2 2/3] perf test: Add verbose skip output for bpf counters Ian Rogers
2021-06-22 18:05 ` Arnaldo Carvalho de Melo [this message]
2021-06-21 21:56 ` [PATCH v2 3/3] perf test: Make stat bpf counters test more robust Ian Rogers
2021-06-22 18:05 ` Arnaldo Carvalho de Melo
2021-06-22 17:45 ` [PATCH v2 1/3] perf test: Pass the verbose option to shell tests Arnaldo Carvalho de Melo
2021-06-22 17:53 ` Arnaldo Carvalho de Melo
2021-06-22 18:17 ` Ian Rogers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YNImYYYbIuc5V98C@kernel.org \
--to=acme@kernel.org \
--cc=alexander.shishkin@linux.intel.com \
--cc=bpf@vger.kernel.org \
--cc=irogers@google.com \
--cc=jolsa@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mark.rutland@arm.com \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=songliubraving@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).