Re: [PATCH 1/1] perf test: Fix attr tests for PERF_FORMAT_LOST

From: James Clark
Date: Tue Oct 11 2022 - 09:00:27 EST




On 26/09/2022 15:49, James Clark wrote:
> Since PERF_FORMAT_LOST was added, the default read format has that bit
> set, so add it to the tests. When running on an older kernel the tests
> will still fail because Perf will not set that bit.
>
> This fixes the following failure:
>
> expected read_format=0|4, got 20
> FAILED './tests/attr/test-record-C0' - match failure
>
> Fixes: 85b425f31c88 ("perf record: Set PERF_FORMAT_LOST by default")
> Signed-off-by: James Clark <james.clark@xxxxxxx>
> ---
> tools/perf/tests/attr/base-record | 2 +-
> tools/perf/tests/attr/system-wide-dummy | 2 +-
> tools/perf/tests/attr/test-record-group | 4 ++--
> tools/perf/tests/attr/test-record-group-sampling | 6 +++---
> tools/perf/tests/attr/test-record-group1 | 4 ++--
> tools/perf/tests/attr/test-record-group2 | 4 ++--
> 6 files changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/tools/perf/tests/attr/base-record b/tools/perf/tests/attr/base-record
> index 8c10955eff93..9758e22daf9c 100644
> --- a/tools/perf/tests/attr/base-record
> +++ b/tools/perf/tests/attr/base-record
> @@ -9,7 +9,7 @@ size=128
> config=0
> sample_period=*
> sample_type=263
> -read_format=0|4
> +read_format=0|20

Hi Namhyung,

Did you manage to take a look at this review? Are you ok with it being
0|20 or should I change it to 0|4|20?

Thanks
James

> disabled=1
> inherit=1
> pinned=0
> diff --git a/tools/perf/tests/attr/system-wide-dummy b/tools/perf/tests/attr/system-wide-dummy
> index 86a15dd359d9..0df8a997fe51 100644
> --- a/tools/perf/tests/attr/system-wide-dummy
> +++ b/tools/perf/tests/attr/system-wide-dummy
> @@ -11,7 +11,7 @@ size=128
> config=9
> sample_period=4000
> sample_type=455
> -read_format=4
> +read_format=20
> # Event will be enabled right away.
> disabled=0
> inherit=1
> diff --git a/tools/perf/tests/attr/test-record-group b/tools/perf/tests/attr/test-record-group
> index 14ee60fd3f41..09aa40af841c 100644
> --- a/tools/perf/tests/attr/test-record-group
> +++ b/tools/perf/tests/attr/test-record-group
> @@ -7,14 +7,14 @@ ret = 1
> fd=1
> group_fd=-1
> sample_type=327
> -read_format=4
> +read_format=20
>
> [event-2:base-record]
> fd=2
> group_fd=1
> config=1
> sample_type=327
> -read_format=4
> +read_format=20
> mmap=0
> comm=0
> task=0
> diff --git a/tools/perf/tests/attr/test-record-group-sampling b/tools/perf/tests/attr/test-record-group-sampling
> index 300b9f7e6d69..3ad68c3405c8 100644
> --- a/tools/perf/tests/attr/test-record-group-sampling
> +++ b/tools/perf/tests/attr/test-record-group-sampling
> @@ -7,7 +7,7 @@ ret = 1
> fd=1
> group_fd=-1
> sample_type=343
> -read_format=12
> +read_format=28
> inherit=0
>
> [event-2:base-record]
> @@ -21,8 +21,8 @@ config=3
> # default | PERF_SAMPLE_READ
> sample_type=343
>
> -# PERF_FORMAT_ID | PERF_FORMAT_GROUP
> -read_format=12
> +# PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST
> +read_format=28
> task=0
> mmap=0
> comm=0
> diff --git a/tools/perf/tests/attr/test-record-group1 b/tools/perf/tests/attr/test-record-group1
> index 3ffe246e0228..53e1ba38febc 100644
> --- a/tools/perf/tests/attr/test-record-group1
> +++ b/tools/perf/tests/attr/test-record-group1
> @@ -7,7 +7,7 @@ ret = 1
> fd=1
> group_fd=-1
> sample_type=327
> -read_format=4
> +read_format=20
>
> [event-2:base-record]
> fd=2
> @@ -15,7 +15,7 @@ group_fd=1
> type=0
> config=1
> sample_type=327
> -read_format=4
> +read_format=20
> mmap=0
> comm=0
> task=0
> diff --git a/tools/perf/tests/attr/test-record-group2 b/tools/perf/tests/attr/test-record-group2
> index 6b9f8d182ce1..ca21b5ce71aa 100644
> --- a/tools/perf/tests/attr/test-record-group2
> +++ b/tools/perf/tests/attr/test-record-group2
> @@ -9,7 +9,7 @@ group_fd=-1
> config=0|1
> sample_period=1234000
> sample_type=87
> -read_format=12
> +read_format=28
> inherit=0
> freq=0
>
> @@ -19,7 +19,7 @@ group_fd=1
> config=0|1
> sample_period=6789000
> sample_type=87
> -read_format=12
> +read_format=28
> disabled=0
> inherit=0
> mmap=0