diff mbox series

[6/6] perf test: Add a basic offcpu profiling test

Message ID 20220518224725.742882-7-namhyung@kernel.org (mailing list archive)
State RFC
Delegated to: BPF
Headers show
Series perf record: Implement off-cpu profiling with BPF (v3) | expand

Checks

Context Check Description
bpf/vmtest-bpf-next-VM_Test-2 success Logs for Kernel LATEST on ubuntu-latest with llvm-15
bpf/vmtest-bpf-next-VM_Test-3 fail Logs for Kernel LATEST on z15 with gcc
bpf/vmtest-bpf-next-PR fail PR summary
bpf/vmtest-bpf-next-VM_Test-1 success Logs for Kernel LATEST on ubuntu-latest with gcc
netdev/tree_selection success Not a local patch

Commit Message

Namhyung Kim May 18, 2022, 10:47 p.m. UTC 
$ sudo ./perf test -v offcpu
   88: perf record offcpu profiling tests                              :
  --- start ---
  test child forked, pid 685966
  Basic off-cpu test
  Basic off-cpu test [Success]
  test child finished with 0
  ---- end ----
  perf record offcpu profiling tests: Ok

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 tools/perf/tests/shell/record_offcpu.sh | 60 +++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100755 tools/perf/tests/shell/record_offcpu.sh

Comments

Ian Rogers May 19, 2022, 4:08 a.m. UTC | #1 
On Wed, May 18, 2022 at 3:47 PM Namhyung Kim <namhyung@kernel.org> wrote:
>
>   $ sudo ./perf test -v offcpu
>    88: perf record offcpu profiling tests                              :
>   --- start ---
>   test child forked, pid 685966
>   Basic off-cpu test
>   Basic off-cpu test [Success]
>   test child finished with 0
>   ---- end ----
>   perf record offcpu profiling tests: Ok
>
> Signed-off-by: Namhyung Kim <namhyung@kernel.org>

Acked-by: Ian Rogers <irogers@google.com>

Thanks,
Ian

> ---
>  tools/perf/tests/shell/record_offcpu.sh | 60 +++++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100755 tools/perf/tests/shell/record_offcpu.sh
>
> diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh
> new file mode 100755
> index 000000000000..96e0739f7478
> --- /dev/null
> +++ b/tools/perf/tests/shell/record_offcpu.sh
> @@ -0,0 +1,60 @@
> +#!/bin/sh
> +# perf record offcpu profiling tests
> +# SPDX-License-Identifier: GPL-2.0
> +
> +set -e
> +
> +err=0
> +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
> +
> +cleanup() {
> +  rm -f ${perfdata}
> +  rm -f ${perfdata}.old
> +  trap - exit term int
> +}
> +
> +trap_cleanup() {
> +  cleanup
> +  exit 1
> +}
> +trap trap_cleanup exit term int
> +
> +test_offcpu() {
> +  echo "Basic off-cpu test"
> +  if [ `id -u` != 0 ]
> +  then
> +    echo "Basic off-cpu test [Skipped permission]"
> +    err=2
> +    return
> +  fi
> +  if perf record --off-cpu -o ${perfdata} --quiet true 2>&1 | grep BUILD_BPF_SKEL
> +  then
> +    echo "Basic off-cpu test [Skipped missing BPF support]"
> +    err=2
> +    return
> +  fi
> +  if ! perf record --off-cpu -e dummy -o ${perfdata} sleep 1 2> /dev/null
> +  then
> +    echo "Basic off-cpu test [Failed record]"
> +    err=1
> +    return
> +  fi
> +  if ! perf evlist -i ${perfdata} | grep -q "offcpu-time"
> +  then
> +    echo "Basic off-cpu test [Failed record]"
> +    err=1
> +    return
> +  fi
> +  if ! perf report -i ${perfdata} -q --percent-limit=90 | egrep -q sleep
> +  then
> +    echo "Basic off-cpu test [Failed missing output]"
> +    err=1
> +    return
> +  fi
> +  echo "Basic off-cpu test [Success]"
> +}
> +
> +test_offcpu
> +
> +cleanup
> +exit $err
> --
> 2.36.1.124.g0e6072fb45-goog
>
diff mbox series

Patch

diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh
new file mode 100755
index 000000000000..96e0739f7478
--- /dev/null
+++ b/tools/perf/tests/shell/record_offcpu.sh
@@ -0,0 +1,60 @@ 
+#!/bin/sh
+# perf record offcpu profiling tests
+# SPDX-License-Identifier: GPL-2.0
+
+set -e
+
+err=0
+perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
+
+cleanup() {
+  rm -f ${perfdata}
+  rm -f ${perfdata}.old
+  trap - exit term int
+}
+
+trap_cleanup() {
+  cleanup
+  exit 1
+}
+trap trap_cleanup exit term int
+
+test_offcpu() {
+  echo "Basic off-cpu test"
+  if [ `id -u` != 0 ]
+  then
+    echo "Basic off-cpu test [Skipped permission]"
+    err=2
+    return
+  fi
+  if perf record --off-cpu -o ${perfdata} --quiet true 2>&1 | grep BUILD_BPF_SKEL
+  then
+    echo "Basic off-cpu test [Skipped missing BPF support]"
+    err=2
+    return
+  fi
+  if ! perf record --off-cpu -e dummy -o ${perfdata} sleep 1 2> /dev/null
+  then
+    echo "Basic off-cpu test [Failed record]"
+    err=1
+    return
+  fi
+  if ! perf evlist -i ${perfdata} | grep -q "offcpu-time"
+  then
+    echo "Basic off-cpu test [Failed record]"
+    err=1
+    return
+  fi
+  if ! perf report -i ${perfdata} -q --percent-limit=90 | egrep -q sleep
+  then
+    echo "Basic off-cpu test [Failed missing output]"
+    err=1
+    return
+  fi
+  echo "Basic off-cpu test [Success]"
+}
+
+test_offcpu
+
+cleanup
+exit $err