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| author | Ian Rogers <irogers@google.com> | 2021-11-11 01:21:03 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2021-11-13 22:11:50 +0100 |
| commit | 48f07b0b2a3ebe3278ff4257e540084157f8b4dc (patch) | |
| tree | 71362fcf088ddb26947629e6d525789f0d8087ac /tools/perf/util/cputopo.h | |
| parent | perf test: Add expr test for events with hyphens (diff) | |
| download | linux-48f07b0b2a3ebe3278ff4257e540084157f8b4dc.tar.xz linux-48f07b0b2a3ebe3278ff4257e540084157f8b4dc.zip | |
perf cputopo: Update to use pakage_cpus
core_siblings_list is the deprecated topology name for
package_cpus_list, update the code to try the non-deprecated path first.
Adjust variable names to match topology name.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Kajol Jain <kjain@linux.ibm.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul A . Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Song Liu <song@kernel.org>
Cc: Wan Jiabing <wanjiabing@vivo.com>
Cc: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20211111002109.194172-3-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/cputopo.h')
| -rw-r--r-- | tools/perf/util/cputopo.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/tools/perf/util/cputopo.h b/tools/perf/util/cputopo.h index d9af97177068..4ec9cb192c3d 100644 --- a/tools/perf/util/cputopo.h +++ b/tools/perf/util/cputopo.h @@ -5,10 +5,17 @@ #include <linux/types.h> struct cpu_topology { - u32 core_sib; + /* The number of unique package_cpus_lists below. */ + u32 package_cpus_lists; u32 die_sib; u32 thread_sib; - char **core_siblings; + /* + * An array of strings where each string is unique and read from + * /sys/devices/system/cpu/cpuX/topology/package_cpus_list. From the ABI + * each of these is a human-readable list of CPUs sharing the same + * physical_package_id. The format is like 0-3, 8-11, 14,17. + */ + const char **package_cpus_list; char **die_siblings; char **thread_siblings; }; |