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SubjectRe: [PATCH v1 0/3] perf: Support a new coresum event qualifier
On Sat, Mar 16, 2019 at 12:04:13AM +0800, Jin Yao wrote:
> The coresum event qualifier which sums up the event counts for both
> hardware threads in a core. For example,
>
> perf stat -e cpu/event=0,umask=0x3,coresum=1/,cpu/event=0,umask=0x3/
>
> In this example, we count the event 'ref-cycles' per-core and per-CPU in
> one perf stat command-line.
>
> We can already support per-core counting with --per-core, but it's
> often useful to do this together with other metrics that are collected
> per CPU (per hardware thread). So this patch series supports this
> per-core counting on a event level.

seems useful, but perhaps we should follow the --per-core option
we already have and call it 'per-core' instead of coresum

jirka

>
> Jin Yao (3):
> perf: Add a coresum event qualifier
> perf stat: Support coresum event qualifier
> perf test: Add a simple test for term coresum
>
> tools/perf/Documentation/perf-stat.txt | 4 ++
> tools/perf/builtin-stat.c | 21 +++++++
> tools/perf/tests/parse-events.c | 10 ++-
> tools/perf/util/evsel.c | 2 +
> tools/perf/util/evsel.h | 3 +
> tools/perf/util/parse-events.c | 27 +++++++++
> tools/perf/util/parse-events.h | 1 +
> tools/perf/util/parse-events.l | 1 +
> tools/perf/util/stat-display.c | 108 ++++++++++++++++++++++++---------
> tools/perf/util/stat.c | 8 ++-
> 10 files changed, 151 insertions(+), 34 deletions(-)
>
> --
> 2.7.4
>

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