On Fri, Nov 13, 2020 at 07:26:54PM +0200, James Clark wrote:
> A separate field isn't strictly required. The core
> field could be re-used for thread IDs as a single
> field was used previously.
> 
> But separating them will avoid confusion and catch
> potential errors where core IDs are read as thread
> IDs and vice versa.
> 
> Also remove the placeholder id field which is now
> no longer used.
> 
> Signed-off-by: James Clark <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Arnaldo Carvalho de Melo <[email protected]>
> Cc: Mark Rutland <[email protected]>
> Cc: Alexander Shishkin <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Thomas Richter <[email protected]>
> Cc: John Garry <[email protected]>
> ---
>  tools/perf/tests/topology.c    |  8 ++++----
>  tools/perf/util/cpumap.c       | 14 +++++++-------
>  tools/perf/util/cpumap.h       |  2 +-
>  tools/perf/util/stat-display.c |  8 ++++----
>  4 files changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c
> index 694f786a77f3..2276db0b1b6f 100644
> --- a/tools/perf/tests/topology.c
> +++ b/tools/perf/tests/topology.c
> @@ -119,7 +119,7 @@ static int check_cpu_topology(char *path, struct 
> perf_cpu_map *map)
>               TEST_ASSERT_VAL("Core map - Die ID doesn't match",
>                       session->header.env.cpu[map->map[i]].die_id == id.die);
>               TEST_ASSERT_VAL("Core map - Node ID is set", id.node == -1);
> -             TEST_ASSERT_VAL("Core map - ID is set", id.id == -1);
> +             TEST_ASSERT_VAL("Core map - Thread is set", id.thread == -1);
>       }
>  
>       // Test that die ID contains socket and die
> @@ -131,7 +131,7 @@ static int check_cpu_topology(char *path, struct 
> perf_cpu_map *map)
>               TEST_ASSERT_VAL("Die map - Die ID doesn't match",
>                       session->header.env.cpu[map->map[i]].die_id == id.die);
>               TEST_ASSERT_VAL("Die map - Node ID is set", id.node == -1);
> -             TEST_ASSERT_VAL("Die map - ID is set", id.id == -1);
> +             TEST_ASSERT_VAL("Die map - Thread is set", id.thread == -1);
>       }
>  
>       // Test that socket ID contains only socket
> @@ -141,7 +141,7 @@ static int check_cpu_topology(char *path, struct 
> perf_cpu_map *map)
>                       session->header.env.cpu[map->map[i]].socket_id == 
> id.socket);
>               TEST_ASSERT_VAL("Socket map - Node ID is set", id.node == -1);
>               TEST_ASSERT_VAL("Socket map - Die ID is set", id.die == -1);
> -             TEST_ASSERT_VAL("Socket map - ID is set", id.id == -1);
> +             TEST_ASSERT_VAL("Socket map - Thread is set", id.thread == -1);
>       }
>  
>       // Test that node ID contains only node
> @@ -149,7 +149,7 @@ static int check_cpu_topology(char *path, struct 
> perf_cpu_map *map)
>               id = cpu_map__get_node(map, i, NULL);
>               TEST_ASSERT_VAL("Node map - Node ID doesn't match",
>                       cpu__get_node(map->map[i]) == id.node);
> -             TEST_ASSERT_VAL("Node map - ID shouldn't be set", id.id == -1);
> +             TEST_ASSERT_VAL("Node map - Thread shouldn't be set", id.thread 
> == -1);
>               TEST_ASSERT_VAL("Node map - Die ID is set", id.die == -1);
>       }

should we test all unset parts are -1, like here id.core,
id.socket and there are missing tests also in above code

jirka

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