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authorLike Xu <likexu@tencent.com>2021-11-09 12:01:47 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2021-11-14 00:11:50 +0300
commit438f1a9f54a99368957c150496b582a02cc6c305 (patch)
treed6ee8f5bdc07bd2b183417248c1fd41e1caf662b
parent09e9afac8cea99429b103fc21836dae693a56b17 (diff)
downloadlinux-438f1a9f54a99368957c150496b582a02cc6c305.tar.xz
perf design.txt: Synchronize the definition of enum perf_hw_id with code
We're not surprised that there are tons of Linux users who only read the documentation to learn about the kernel. Let's update the perf part for common hardware events since three new *generic* hardware events were added. Signed-off-by: Like Xu <likexu@tencent.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20211109090147.56978-1-likexu@tencent.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/design.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/design.txt b/tools/perf/design.txt
index a42fab308ff6..aa8cfeabb743 100644
--- a/tools/perf/design.txt
+++ b/tools/perf/design.txt
@@ -106,6 +106,9 @@ enum perf_hw_id {
PERF_COUNT_HW_BRANCH_INSTRUCTIONS = 4,
PERF_COUNT_HW_BRANCH_MISSES = 5,
PERF_COUNT_HW_BUS_CYCLES = 6,
+ PERF_COUNT_HW_STALLED_CYCLES_FRONTEND = 7,
+ PERF_COUNT_HW_STALLED_CYCLES_BACKEND = 8,
+ PERF_COUNT_HW_REF_CPU_CYCLES = 9,
};
These are standardized types of events that work relatively uniformly