linux-kernel - [PATCH v2 02/12] perf jevents: Support for has

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Message-Id: <20230623151016.4193660-3-irogers@google.com>
Date:   Fri, 23 Jun 2023 08:10:06 -0700
From:   Ian Rogers <irogers@...gle.com>
To:     Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Zhengjun Xing <zhengjun.xing@...ux.intel.com>,
        Kajol Jain <kjain@...ux.ibm.com>,
        John Garry <john.g.garry@...cle.com>,
        Andrii Nakryiko <andrii@...nel.org>,
        Eduard Zingerman <eddyz87@...il.com>,
        Jing Zhang <renyu.zj@...ux.alibaba.com>,
        Sohom Datta <sohomdatta1@...il.com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        Perry Taylor <perry.taylor@...el.com>,
        Samantha Alt <samantha.alt@...el.com>,
        Caleb Biggers <caleb.biggers@...el.com>,
        Weilin Wang <weilin.wang@...el.com>,
        Edward Baker <edward.baker@...el.com>
Subject: [PATCH v2 02/12] perf jevents: Support for has_event function

Support for the new has_event function in metrics.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/pmu-events/metric.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py
index af58b74d1644..85a3545f5b6a 100644
--- a/tools/perf/pmu-events/metric.py
+++ b/tools/perf/pmu-events/metric.py
@@ -408,6 +408,12 @@ def source_count(event: Event) -> Function:
   return Function('source_count', event)
 
 
+def has_event(event: Event) -> Function:
+  # pylint: disable=redefined-builtin
+  # pylint: disable=invalid-name
+  return Function('has_event', event)
+
+
 class Metric:
   """An individual metric that will specifiable on the perf command line."""
   groups: Set[str]
@@ -539,7 +545,7 @@ def ParsePerfJson(orig: str) -> Expression:
               r'Event(r"\1")', py)
   py = re.sub(r'#Event\(r"([^"]*)"\)', r'Literal("#\1")', py)
   py = re.sub(r'([0-9]+)Event\(r"(e[0-9]+)"\)', r'\1\2', py)
-  keywords = ['if', 'else', 'min', 'max', 'd_ratio', 'source_count']
+  keywords = ['if', 'else', 'min', 'max', 'd_ratio', 'source_count', 'has_event']
   for kw in keywords:
     py = re.sub(rf'Event\(r"{kw}"\)', kw, py)
 
-- 
2.41.0.162.gfafddb0af9-goog