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perf vendor events: Minor fixes to the README 

Some grammatical fixes, and updates to some path references that have
since changed.

Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Janakarajan Natarajan <janakarajan.natarajan@amd.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Luke Mujica <lukemujica@google.com>
Cc: Martin Liška <mliska@suse.cz>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20190919204306.12598-3-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Kim Phillips 2019-09-19 15:43:04 -05:00 committed by Arnaldo Carvalho de Melo
parent 0c03d3aa25
commit 93125562ce
1 changed files with 11 additions and 11 deletions
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22
tools/perf/pmu-events/README
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@ -30,9 +30,9 @@ the topic. Eg: "Floating-point.json".
All the topic JSON files for a CPU model/family should be in a separate
sub directory. Thus for the Silvermont X86 CPU:
$ ls tools/perf/pmu-events/arch/x86/Silvermont_core
Cache.json Memory.json Virtual-Memory.json
Frontend.json Pipeline.json
$ ls tools/perf/pmu-events/arch/x86/silvermont
cache.json memory.json virtual-memory.json
frontend.json pipeline.json
The JSONs folder for a CPU model/family may be placed in the root arch
folder, or may be placed in a vendor sub-folder under the arch folder
@ -94,7 +94,7 @@ users to specify events by their name:
where 'pm_1plus_ppc_cmpl' is a Power8 PMU event.
However some errors in processing may cause the perf build to fail.
However some errors in processing may cause the alias build to fail.
Mapfile format
===============
@ -119,7 +119,7 @@ where:
Header line
The header line is the first line in the file, which is
always _IGNORED_. It can empty.
always _IGNORED_. It can be empty.
CPUID:
CPUID is an arch-specific char string, that can be used
@ -138,15 +138,15 @@ where:
files, relative to the directory containing the mapfile.csv
Type:
indicates whether the events or "core" or "uncore" events.
indicates whether the events are "core" or "uncore" events.
Eg:
$ grep Silvermont tools/perf/pmu-events/arch/x86/mapfile.csv
GenuineIntel-6-37,V13,Silvermont_core,core
GenuineIntel-6-4D,V13,Silvermont_core,core
GenuineIntel-6-4C,V13,Silvermont_core,core
$ grep silvermont tools/perf/pmu-events/arch/x86/mapfile.csv
GenuineIntel-6-37,v13,silvermont,core
GenuineIntel-6-4D,v13,silvermont,core
GenuineIntel-6-4C,v13,silvermont,core
i.e the three CPU models use the JSON files (i.e PMU events) listed
in the directory 'tools/perf/pmu-events/arch/x86/Silvermont_core'.
in the directory 'tools/perf/pmu-events/arch/x86/silvermont'.