Commit 49679da3 authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

perf cpumap: Add comments to aggr_cpu_id() 



This code is already tested in topology.c.

Reviewed-by: default avatarJames Clark <james.clark@arm.com>
Signed-off-by: default avatarIan Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@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: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Clarke <pc@us.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Riccardo Mancini <rickyman7@gmail.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Vineet Singh <vineet.singh@intel.com>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Cc: zhengjun.xing@intel.com
Link: https://lore.kernel.org/r/20220105061351.120843-12-irogers@google.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 86d94048

tools/perf/util/cpumap.h

+9 −0
Original line number Diff line number Diff line
@@ -7,11 +7,20 @@ 
#include <internal/cpumap.h>

#include <perf/cpumap.h>



/** Identify where counts are aggregated, -1 implies not to aggregate. */

struct aggr_cpu_id {

	/** A value in the range 0 to number of threads. */

	int thread;

	/** The numa node X as read from /sys/devices/system/node/nodeX. */

	int node;

	/**

	 * The socket number as read from

	 * /sys/devices/system/cpu/cpuX/topology/physical_package_id.

	 */

	int socket;

	/** The die id as read from /sys/devices/system/cpu/cpuX/topology/die_id. */

	int die;

	/** The core id as read from /sys/devices/system/cpu/cpuX/topology/core_id. */

	int core;

};