tools/perf/scripts/python/bin/mem-phys-addr-record

Source file repositories/reference/linux-study-clean/tools/perf/scripts/python/bin/mem-phys-addr-record

File Facts

System
Linux kernel
Corpus path
tools/perf/scripts/python/bin/mem-phys-addr-record
Extension
[no extension]
Size
464 bytes
Lines
20
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/bash

#
# Profiling physical memory by all retired load instructions/uops event
# MEM_INST_RETIRED.ALL_LOADS or MEM_UOPS_RETIRED.ALL_LOADS
#

load=`perf list | grep mem_inst_retired.all_loads`
if [ -z "$load" ]; then
	load=`perf list | grep mem_uops_retired.all_loads`
fi
if [ -z "$load" ]; then
	echo "There is no event to count all retired load instructions/uops."
	exit 1
fi

arg=$(echo $load | tr -d ' ')
arg="$arg:P"
perf record --phys-data -e $arg $@

Annotation

Implementation Notes